diff --git a/Documentation/accounting/psi.rst b/Documentation/accounting/psi.rst index 621111ce5740142786eef7f3f8177b58708cabb3..28c0461ba2e1b534256afac4fe23d2593bdc1bd6 100644 --- a/Documentation/accounting/psi.rst +++ b/Documentation/accounting/psi.rst @@ -90,7 +90,8 @@ Triggers can be set on more than one psi metric and more than one trigger for the same psi metric can be specified. However for each trigger a separate file descriptor is required to be able to poll it separately from others, therefore for each trigger a separate open() syscall should be made even -when opening the same psi interface file. +when opening the same psi interface file. Write operations to a file descriptor +with an already existing psi trigger will fail with EBUSY. Monitors activate only when system enters stall state for the monitored psi metric and deactivates upon exit from the stall state. While system is diff --git a/Documentation/admin-guide/hw-vuln/spectre.rst b/Documentation/admin-guide/hw-vuln/spectre.rst index 3a6e1fcad3c027ad954f1e40b5ff76f3b163fb81..6bd97cd50d6256fbb024278e5f233372b43adce6 100644 --- a/Documentation/admin-guide/hw-vuln/spectre.rst +++ b/Documentation/admin-guide/hw-vuln/spectre.rst @@ -483,7 +483,7 @@ Spectre variant 2 before invoking any firmware code to prevent Spectre variant 2 exploits using the firmware. - Using kernel address space randomization (CONFIG_RANDOMIZE_SLAB=y + Using kernel address space randomization (CONFIG_RANDOMIZE_BASE=y and CONFIG_SLAB_FREELIST_RANDOM=y in the kernel configuration) makes attacks on the kernel generally more difficult. diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 568c1b3b430f660e2e5d5c43d1219f82373a975d..92b5267d96167604ae4153e14b2690a80bf2cc49 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -1487,6 +1487,8 @@ architectures force reset to be always executed i8042.unlock [HW] Unlock (ignore) the keylock i8042.kbdreset [HW] Reset device connected to KBD port + i8042.probe_defer + [HW] Allow deferred probing upon i8042 probe errors i810= [HW,DRM] @@ -2112,8 +2114,12 @@ Default is 1 (enabled) kvm-intel.emulate_invalid_guest_state= - [KVM,Intel] Enable emulation of invalid guest states - Default is 0 (disabled) + [KVM,Intel] Disable emulation of invalid guest state. + Ignored if kvm-intel.enable_unrestricted_guest=1, as + guest state is never invalid for unrestricted guests. + This param doesn't apply to nested guests (L2), as KVM + never emulates invalid L2 guest state. + Default is 1 (enabled) kvm-intel.flexpriority= [KVM,Intel] Disable FlexPriority feature (TPR shadow). diff --git a/Documentation/devicetree/bindings/display/amlogic,meson-dw-hdmi.yaml b/Documentation/devicetree/bindings/display/amlogic,meson-dw-hdmi.yaml index fb747682006d9782b0e6545390e4745f19271665..92dc08b78a176210f23a34b223652e6854619cd3 100644 --- a/Documentation/devicetree/bindings/display/amlogic,meson-dw-hdmi.yaml +++ b/Documentation/devicetree/bindings/display/amlogic,meson-dw-hdmi.yaml @@ -10,6 +10,9 @@ title: Amlogic specific extensions to the Synopsys Designware HDMI Controller maintainers: - Neil Armstrong +allOf: + - $ref: /schemas/sound/name-prefix.yaml# + description: | The Amlogic Meson Synopsys Designware Integration is composed of - A Synopsys DesignWare HDMI Controller IP @@ -101,6 +104,8 @@ properties: "#sound-dai-cells": const: 0 + sound-name-prefix: true + required: - compatible - reg diff --git a/Documentation/devicetree/bindings/display/amlogic,meson-vpu.yaml b/Documentation/devicetree/bindings/display/amlogic,meson-vpu.yaml index d1205a6697a0950c5535d8fbad18e87205b2913c..766b04501cb968dbf7d67b807bd25824ce017f70 100644 --- a/Documentation/devicetree/bindings/display/amlogic,meson-vpu.yaml +++ b/Documentation/devicetree/bindings/display/amlogic,meson-vpu.yaml @@ -78,6 +78,10 @@ properties: interrupts: maxItems: 1 + amlogic,canvas: + description: should point to a canvas provider node + $ref: /schemas/types.yaml#/definitions/phandle + power-domains: maxItems: 1 description: phandle to the associated power domain @@ -106,6 +110,7 @@ required: - port@1 - "#address-cells" - "#size-cells" + - amlogic,canvas examples: - | @@ -116,6 +121,7 @@ examples: interrupts = <3>; #address-cells = <1>; #size-cells = <0>; + amlogic,canvas = <&canvas>; /* CVBS VDAC output port */ port@0 { diff --git a/Documentation/devicetree/bindings/net/can/tcan4x5x.txt b/Documentation/devicetree/bindings/net/can/tcan4x5x.txt index 9cb3560756d0014cbd4aa940e8151b621393f80b..53c26ffd020a3ad4a53676bc8f3d86054a072928 100644 --- a/Documentation/devicetree/bindings/net/can/tcan4x5x.txt +++ b/Documentation/devicetree/bindings/net/can/tcan4x5x.txt @@ -31,7 +31,7 @@ tcan4x5x: tcan4x5x@0 { #address-cells = <1>; #size-cells = <1>; spi-max-frequency = <10000000>; - bosch,mram-cfg = <0x0 0 0 32 0 0 1 1>; + bosch,mram-cfg = <0x0 0 0 16 0 0 1 1>; interrupt-parent = <&gpio1>; interrupts = <14 IRQ_TYPE_LEVEL_LOW>; device-state-gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>; diff --git a/Documentation/devicetree/bindings/net/ethernet-phy.yaml b/Documentation/devicetree/bindings/net/ethernet-phy.yaml index f70f18ff821f5a07fd97349ffbd25257ca7c2b82..8f3e9c774b74a439156535fcff62ae84d1603567 100644 --- a/Documentation/devicetree/bindings/net/ethernet-phy.yaml +++ b/Documentation/devicetree/bindings/net/ethernet-phy.yaml @@ -87,6 +87,14 @@ properties: compensate for the board being designed with the lanes swapped. + enet-phy-lane-no-swap: + $ref: /schemas/types.yaml#/definitions/flag + description: + If set, indicates that PHY will disable swap of the + TX/RX lanes. This property allows the PHY to work correcly after + e.g. wrong bootstrap configuration caused by issues in PCB + layout design. + eee-broken-100tx: $ref: /schemas/types.yaml#definitions/flag description: diff --git a/Documentation/devicetree/bindings/pinctrl/marvell,armada-37xx-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/marvell,armada-37xx-pinctrl.txt index 38dc56a5776041e4dcf325bc7b8bf66c4e290c77..ecec514b3155069d89d7ca8af10fa0a4d932096c 100644 --- a/Documentation/devicetree/bindings/pinctrl/marvell,armada-37xx-pinctrl.txt +++ b/Documentation/devicetree/bindings/pinctrl/marvell,armada-37xx-pinctrl.txt @@ -43,19 +43,19 @@ group emmc_nb group pwm0 - pin 11 (GPIO1-11) - - functions pwm, gpio + - functions pwm, led, gpio group pwm1 - pin 12 - - functions pwm, gpio + - functions pwm, led, gpio group pwm2 - pin 13 - - functions pwm, gpio + - functions pwm, led, gpio group pwm3 - pin 14 - - functions pwm, gpio + - functions pwm, led, gpio group pmic1 - pin 7 diff --git a/Documentation/driver-api/dmaengine/dmatest.rst b/Documentation/driver-api/dmaengine/dmatest.rst index ee268d445d38b64b173098630a1db287f7bcd1b0..d2e1d8b58e7dc13b7285ece750917952a180a559 100644 --- a/Documentation/driver-api/dmaengine/dmatest.rst +++ b/Documentation/driver-api/dmaengine/dmatest.rst @@ -143,13 +143,14 @@ Part 5 - Handling channel allocation Allocating Channels ------------------- -Channels are required to be configured prior to starting the test run. -Attempting to run the test without configuring the channels will fail. +Channels do not need to be configured prior to starting a test run. Attempting +to run the test without configuring the channels will result in testing any +channels that are available. Example:: % echo 1 > /sys/module/dmatest/parameters/run - dmatest: Could not start test, no channels configured + dmatest: No channels configured, continue with any Channels are registered using the "channel" parameter. Channels can be requested by their name, once requested, the channel is registered and a pending thread is added to the test list. diff --git a/Documentation/driver-api/firewire.rst b/Documentation/driver-api/firewire.rst index 94a2d7f01d99924e0d338b57e09387ecb230c41a..d3cfa73cbb2b47e624961f3e15aadb6528dfec37 100644 --- a/Documentation/driver-api/firewire.rst +++ b/Documentation/driver-api/firewire.rst @@ -19,7 +19,7 @@ of kernel interfaces is available via exported symbols in `firewire-core` module Firewire char device data structures ==================================== -.. include:: /ABI/stable/firewire-cdev +.. include:: ../ABI/stable/firewire-cdev :literal: .. kernel-doc:: include/uapi/linux/firewire-cdev.h @@ -28,7 +28,7 @@ Firewire char device data structures Firewire device probing and sysfs interfaces ============================================ -.. include:: /ABI/stable/sysfs-bus-firewire +.. include:: ../ABI/stable/sysfs-bus-firewire :literal: .. kernel-doc:: drivers/firewire/core-device.c diff --git a/Documentation/firmware-guide/acpi/dsd/data-node-references.rst b/Documentation/firmware-guide/acpi/dsd/data-node-references.rst index febccbc5689d089d7f7ca064cc275b1681156af9..1b05e8d0ddff76fe2c1ec40f55048fab9474e616 100644 --- a/Documentation/firmware-guide/acpi/dsd/data-node-references.rst +++ b/Documentation/firmware-guide/acpi/dsd/data-node-references.rst @@ -5,7 +5,7 @@ Referencing hierarchical data nodes =================================== -:Copyright: |copy| 2018 Intel Corporation +:Copyright: |copy| 2018, 2021 Intel Corporation :Author: Sakari Ailus ACPI in general allows referring to device objects in the tree only. @@ -52,12 +52,14 @@ the ANOD object which is also the final target node of the reference. Name (NOD0, Package() { ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"), Package () { + Package () { "reg", 0 }, Package () { "random-property", 3 }, } }) Name (NOD1, Package() { ToUUID("dbb8e3e6-5886-4ba6-8795-1319f52a966b"), Package () { + Package () { "reg", 1 }, Package () { "anothernode", "ANOD" }, } }) @@ -74,7 +76,11 @@ the ANOD object which is also the final target node of the reference. Name (_DSD, Package () { ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"), Package () { - Package () { "reference", ^DEV0, "node@1", "anothernode" }, + Package () { + "reference", Package () { + ^DEV0, "node@1", "anothernode" + } + }, } }) } diff --git a/Documentation/hwmon/lm90.rst b/Documentation/hwmon/lm90.rst index 953315987c06e87999113a2b7868dd4223e7b4d1..03851cbe637ce305a82b145ceaca9ba8ce50a039 100644 --- a/Documentation/hwmon/lm90.rst +++ b/Documentation/hwmon/lm90.rst @@ -123,6 +123,18 @@ Supported chips: http://www.maxim-ic.com/quick_view2.cfm/qv_pk/3497 + * Maxim MAX6654 + + Prefix: 'max6654' + + Addresses scanned: I2C 0x18, 0x19, 0x1a, 0x29, 0x2a, 0x2b, + + 0x4c, 0x4d and 0x4e + + Datasheet: Publicly available at the Maxim website + + https://www.maximintegrated.com/en/products/sensors/MAX6654.html + * Maxim MAX6657 Prefix: 'max6657' @@ -253,6 +265,16 @@ Supported chips: http://www.ti.com/litv/pdf/sbos686 + * Texas Instruments TMP461 + + Prefix: 'tmp461' + + Addresses scanned: I2C 0x48 through 0x4F + + Datasheet: Publicly available at TI website + + https://www.ti.com/lit/gpn/tmp461 + Author: Jean Delvare @@ -301,6 +323,13 @@ ADT7461, ADT7461A, NCT1008: * Extended temperature range (breaks compatibility) * Lower resolution for remote temperature +MAX6654: + * Better local resolution + * Selectable address + * Remote sensor type selection + * Extended temperature range + * Extended resolution only available when conversion rate <= 1 Hz + MAX6657 and MAX6658: * Better local resolution * Remote sensor type selection @@ -336,8 +365,8 @@ SA56004X: All temperature values are given in degrees Celsius. Resolution is 1.0 degree for the local temperature, 0.125 degree for the remote -temperature, except for the MAX6657, MAX6658 and MAX6659 which have a -resolution of 0.125 degree for both temperatures. +temperature, except for the MAX6654, MAX6657, MAX6658 and MAX6659 which have +a resolution of 0.125 degree for both temperatures. Each sensor has its own high and low limits, plus a critical limit. Additionally, there is a relative hysteresis value common to both critical diff --git a/Documentation/networking/bonding.txt b/Documentation/networking/bonding.txt index e3abfbd32f71ebd03b7da401d232e0334a897260..b020e6ce6dd49b6c50513953653ec4a5cf8ed7c4 100644 --- a/Documentation/networking/bonding.txt +++ b/Documentation/networking/bonding.txt @@ -191,11 +191,12 @@ ad_actor_sys_prio ad_actor_system In an AD system, this specifies the mac-address for the actor in - protocol packet exchanges (LACPDUs). The value cannot be NULL or - multicast. It is preferred to have the local-admin bit set for this - mac but driver does not enforce it. If the value is not given then - system defaults to using the masters' mac address as actors' system - address. + protocol packet exchanges (LACPDUs). The value cannot be a multicast + address. If the all-zeroes MAC is specified, bonding will internally + use the MAC of the bond itself. It is preferred to have the + local-admin bit set for this mac but driver does not enforce it. If + the value is not given then system defaults to using the masters' + mac address as actors' system address. This parameter has effect only in 802.3ad mode and is available through SysFs interface. diff --git a/Documentation/networking/ipvs-sysctl.txt b/Documentation/networking/ipvs-sysctl.txt index 056898685d408e463f1a191f36e2384e9974ab6d..fc531c29a2e83fbfa59f93bfa1e8788e8d9f80f8 100644 --- a/Documentation/networking/ipvs-sysctl.txt +++ b/Documentation/networking/ipvs-sysctl.txt @@ -30,8 +30,7 @@ conn_reuse_mode - INTEGER 0: disable any special handling on port reuse. The new connection will be delivered to the same real server that was - servicing the previous connection. This will effectively - disable expire_nodest_conn. + servicing the previous connection. bit 1: enable rescheduling of new connections when it is safe. That is, whenever expire_nodest_conn and for TCP sockets, when diff --git a/Makefile b/Makefile index 0e6455d0688fc139371e56bd2c613beaee41a7d9..2977cbc3082ce1633959a5fd1fff56b374cfa24b 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 5 PATCHLEVEL = 4 -SUBLEVEL = 161 +SUBLEVEL = 180 EXTRAVERSION = NAME = Kleptomaniac Octopus @@ -1095,7 +1095,7 @@ HOST_LIBELF_LIBS = $(shell pkg-config libelf --libs 2>/dev/null || echo -lelf) ifdef CONFIG_STACK_VALIDATION has_libelf := $(call try-run,\ - echo "int main() {}" | $(HOSTCC) -xc -o /dev/null $(HOST_LIBELF_LIBS) -,1,0) + echo "int main() {}" | $(HOSTCC) $(KBUILD_HOSTLDFLAGS) -xc -o /dev/null $(HOST_LIBELF_LIBS) -,1,0) ifeq ($(has_libelf),1) objtool_target := tools/objtool FORCE else diff --git a/android/abi_gki_aarch64.xml b/android/abi_gki_aarch64.xml index ebc1d68e38dcd80b4f9b42b239c99d1a59c6e6cf..eec475e8833559215733808c78dcd53d7c83d6a2 100644 --- a/android/abi_gki_aarch64.xml +++ b/android/abi_gki_aarch64.xml @@ -5003,167 +5003,118 @@ - - - + + + + + + + + + + + + + + + + + + + + - - + + + + + + + + + + + + + - - - + + + + + + - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - + - - - - + + + + + + + + - + - + - - - - - - - - - + + + + + + + - + - + - + - - - - - - - - - - - - - - - - - - - - - - - - - - + + - - - - - - - - - - - - - - - - + - + + + - + - + - - - - - - - + - + - + - + + + + + + + @@ -5361,53 +5312,19 @@ - - - - - - - - + - + - + - - - - - - - - - - - - - - - - - - - - - - - - - - - - + @@ -5500,12 +5417,6 @@ - - - - - - @@ -5516,16 +5427,12 @@ - - - - - + @@ -5570,17 +5477,6 @@ - - - - - - - - - - - @@ -5720,17 +5616,11 @@ - - - - - - - + @@ -5740,11 +5630,7 @@ - - - - @@ -5928,7 +5814,6 @@ - @@ -5937,12 +5822,10 @@ - - - + @@ -6160,7 +6043,7 @@ - + @@ -6183,15 +6066,14 @@ - - + - + @@ -6199,7 +6081,7 @@ - + @@ -6265,6 +6147,11 @@ + + + + + @@ -6332,14 +6219,6 @@ - - - - - - - - @@ -6439,7 +6318,7 @@ - + @@ -6450,7 +6329,6 @@ - @@ -6496,7 +6374,26 @@ - + + + + + + + + + + + + + + + + + + + + @@ -6635,7 +6532,7 @@ - + @@ -6659,17 +6556,6 @@ - - - - - - - - - - - @@ -6715,6 +6601,14 @@ + + + + + + + + @@ -6723,6 +6617,14 @@ + + + + + + + + @@ -6732,8 +6634,9 @@ - + + @@ -6748,7 +6651,20 @@ - + + + + + + + + + + + + + + @@ -6816,17 +6732,6 @@ - - - - - - - - - - - @@ -6885,12 +6790,12 @@ - + - + - + @@ -6904,6 +6809,16 @@ + + + + + + + + + + @@ -6912,7 +6827,8 @@ - + + @@ -7196,7 +7112,7 @@ - + @@ -7204,7 +7120,7 @@ - + @@ -7221,6 +7137,8 @@ + + @@ -8202,6 +8120,8 @@ + + @@ -8209,7 +8129,7 @@ - + @@ -9284,7 +9204,6 @@ - @@ -9305,7 +9224,7 @@ - + @@ -9313,7 +9232,7 @@ - + @@ -9465,14 +9384,7 @@ - - - - - - - - + @@ -10475,8 +10387,37 @@ - - + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + @@ -10992,7 +10933,7 @@ - + @@ -11006,22 +10947,17 @@ - - - - - - + - + - + @@ -11098,7 +11034,7 @@ - + @@ -11109,7 +11045,7 @@ - + @@ -11117,7 +11053,7 @@ - + @@ -11129,9 +11065,6 @@ - - - @@ -12040,6 +11973,11 @@ + + + + + @@ -12290,7 +12228,7 @@ - + @@ -12304,7 +12242,7 @@ - + @@ -12321,7 +12259,7 @@ - + @@ -12329,7 +12267,7 @@ - + @@ -12349,7 +12287,7 @@ - + @@ -12510,7 +12448,6 @@ - @@ -12589,7 +12526,9 @@ + + @@ -12601,17 +12540,14 @@ - - - - + @@ -12619,7 +12555,7 @@ - + @@ -12627,7 +12563,7 @@ - + @@ -12635,7 +12571,7 @@ - + @@ -12643,7 +12579,7 @@ - + @@ -13214,83 +13150,6 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - @@ -14192,6 +14051,17 @@ + + + + + + + + + + + @@ -14498,41 +14368,7 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - + @@ -14626,7 +14462,7 @@ - + @@ -14634,7 +14470,7 @@ - + @@ -14642,12 +14478,7 @@ - - - - - - + @@ -14661,7 +14492,7 @@ - + @@ -14669,7 +14500,7 @@ - + @@ -14677,7 +14508,7 @@ - + @@ -14765,7 +14596,6 @@ - @@ -14788,7 +14618,7 @@ - + @@ -14796,7 +14626,7 @@ - + @@ -14810,7 +14640,7 @@ - + @@ -14836,7 +14666,7 @@ - + @@ -14844,7 +14674,7 @@ - + @@ -14899,20 +14729,12 @@ + + + - - - - - - - - - - - @@ -17281,63 +17103,63 @@ - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + @@ -17479,7 +17301,7 @@ - + @@ -17490,7 +17312,7 @@ - + @@ -17498,12 +17320,12 @@ - + - + @@ -17525,7 +17347,7 @@ - + @@ -17539,7 +17361,7 @@ - + @@ -17550,7 +17372,7 @@ - + @@ -17567,7 +17389,7 @@ - + @@ -17583,11 +17405,8 @@ - - - @@ -17634,13 +17453,6 @@ - - - - - - - @@ -17659,7 +17471,6 @@ - @@ -17713,7 +17524,7 @@ - + @@ -17722,7 +17533,6 @@ - @@ -17759,7 +17569,7 @@ - + @@ -17767,7 +17577,7 @@ - + @@ -17775,7 +17585,7 @@ - + @@ -17783,7 +17593,7 @@ - + @@ -17791,7 +17601,7 @@ - + @@ -17799,7 +17609,7 @@ - + @@ -17807,7 +17617,7 @@ - + @@ -17815,7 +17625,7 @@ - + @@ -17826,7 +17636,7 @@ - + @@ -17840,7 +17650,7 @@ - + @@ -17854,7 +17664,6 @@ - @@ -17874,7 +17683,6 @@ - @@ -17941,20 +17749,6 @@ - - - - - - - - - - - - - - @@ -18477,176 +18271,6 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 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- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - @@ -186479,42 +183011,42 @@ - - - - + + + + + - - - - - - - - - - + + + + + + + + + @@ -186551,17 +183083,6 @@ - - - - - - - - - - - @@ -186584,6 +183105,18 @@ + + + + + + + + + + + + @@ -186607,6 +183140,8 @@ + + @@ -186615,26 +183150,51 @@ + + + + + + + + + + + + + + + + + + + + - - - - - + + + + + + + + + + - - - - - + + + + + @@ -186651,17 +183211,29 @@ - - - - - + + + + + - - - - + + + + + + + + + + + + + + + + @@ -186673,13 +183245,21 @@ - - - + + + + + + + - - + + + + + + @@ -186690,12 +183270,9 @@ - - - - - - + + + @@ -186708,86 +183285,55 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - + + + - - - - + + + - - - + + - - - - - - - - + + - - + + - - - - + + - - - - - + + - - - + + + + + + + + + + @@ -186797,185 +183343,182 @@ + + + + - - - - - - - - - - + + - + - + - - - - + + - - + + - - + + - - + + - - + + - - + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + - 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- - - - - - - - - - - - - @@ -190851,25 +187374,15 @@ - - - - - - + + + - - - - - - - - - - - + + + + @@ -190880,6 +187393,11 @@ + + + + + @@ -190888,11 +187406,6 @@ - - - - - @@ -190927,34 +187440,52 @@ - - - + + + - - - + + + + + - - - + + + + + - - - - + + - - - + + + + + - - - - + + + + + + + + + + + + + + + + + + @@ -190970,95 +187501,80 @@ - - - - - - - - - - - - + + + - - - - - + + + - - - - + + + - - - + + + - - - + + + - - - + + + - - - + + + - - - + + + - - - + + + - - - + + + - - - + + + - - - + + + + - - - + + + + - - - - - - - - + + + + - - - - + + + @@ -191092,6 +187608,13 @@ + + + + + + + @@ -191126,10 +187649,18 @@ - - - - + + + + + + + + + + + + @@ -191144,6 +187675,15 @@ + + + + + + + + + @@ -191229,101 +187769,108 @@ - - - + + + - - - + + + - - - + + + - - - + + + - - - + + + - - - + + + + - - - + + + - - - + + + - - - + + + - - - + + + - - - + + + - - - + + + - - - - + + + - - - + + + - - - - - + + + - - - + + + - - - + + + + + - - - + + + + + + + + + + @@ -191341,6 +187888,11 @@ + + + + + @@ -191357,8 +187909,6 @@ - - @@ -191367,18 +187917,6 @@ - - - - - - - - - - - - diff --git a/arch/arm/boot/compressed/efi-header.S b/arch/arm/boot/compressed/efi-header.S index a5983588f96b8cf8847edf5ea74fe798c7f6c74b..dd53d6eb53ade36d392a7291d1b5c72fb0d6965b 100644 --- a/arch/arm/boot/compressed/efi-header.S +++ b/arch/arm/boot/compressed/efi-header.S @@ -9,16 +9,22 @@ #include .macro __nop -#ifdef CONFIG_EFI_STUB - @ This is almost but not quite a NOP, since it does clobber the - @ condition flags. But it is the best we can do for EFI, since - @ PE/COFF expects the magic string "MZ" at offset 0, while the - @ ARM/Linux boot protocol expects an executable instruction - @ there. - .inst MZ_MAGIC | (0x1310 << 16) @ tstne r0, #0x4d000 -#else AR_CLASS( mov r0, r0 ) M_CLASS( nop.w ) + .endm + + .macro __initial_nops +#ifdef CONFIG_EFI_STUB + @ This is a two-instruction NOP, which happens to bear the + @ PE/COFF signature "MZ" in the first two bytes, so the kernel + @ is accepted as an EFI binary. Booting via the UEFI stub + @ will not execute those instructions, but the ARM/Linux + @ boot protocol does, so we need some NOPs here. + .inst MZ_MAGIC | (0xe225 << 16) @ eor r5, r5, 0x4d000 + eor r5, r5, 0x4d000 @ undo previous insn +#else + __nop + __nop #endif .endm diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S index cbe126297f5499507f9b51910d2ab4e5cc7a528c..0a2410adc25b3c77c189c9ff2509931e5b055e7a 100644 --- a/arch/arm/boot/compressed/head.S +++ b/arch/arm/boot/compressed/head.S @@ -165,7 +165,8 @@ start: * were patching the initial instructions of the kernel, i.e * had started to exploit this "patch area". */ - .rept 7 + __initial_nops + .rept 5 __nop .endr #ifndef CONFIG_THUMB2_KERNEL diff --git a/arch/arm/boot/dts/armada-38x.dtsi b/arch/arm/boot/dts/armada-38x.dtsi index 669da3a33d82cdc5ce382a80f9a604b058bb1446..5b82e58a1cf0612f1b194655fc615ebde0a1afb9 100644 --- a/arch/arm/boot/dts/armada-38x.dtsi +++ b/arch/arm/boot/dts/armada-38x.dtsi @@ -165,7 +165,7 @@ }; uart0: serial@12000 { - compatible = "marvell,armada-38x-uart"; + compatible = "marvell,armada-38x-uart", "ns16550a"; reg = <0x12000 0x100>; reg-shift = <2>; interrupts = ; @@ -175,7 +175,7 @@ }; uart1: serial@12100 { - compatible = "marvell,armada-38x-uart"; + compatible = "marvell,armada-38x-uart", "ns16550a"; reg = <0x12100 0x100>; reg-shift = <2>; interrupts = ; diff --git a/arch/arm/boot/dts/bcm-nsp.dtsi b/arch/arm/boot/dts/bcm-nsp.dtsi index 43ff85d31dc1215a959d6c2c86edda6028b55ca5..5a1352fd90d16546fabf13ef085fe0c85606551f 100644 --- a/arch/arm/boot/dts/bcm-nsp.dtsi +++ b/arch/arm/boot/dts/bcm-nsp.dtsi @@ -77,7 +77,7 @@ interrupt-affinity = <&cpu0>, <&cpu1>; }; - mpcore@19000000 { + mpcore-bus@19000000 { compatible = "simple-bus"; ranges = <0x00000000 0x19000000 0x00023000>; #address-cells = <1>; @@ -217,7 +217,7 @@ #dma-cells = <1>; }; - sdio: sdhci@21000 { + sdio: mmc@21000 { compatible = "brcm,sdhci-iproc-cygnus"; reg = <0x21000 0x100>; interrupts = ; diff --git a/arch/arm/boot/dts/bcm283x.dtsi b/arch/arm/boot/dts/bcm283x.dtsi index 50c64146d492694114d8cf16a28eb6d4fe0995f9..af81f386793ca36fdc0277c4140a91f19445fe6c 100644 --- a/arch/arm/boot/dts/bcm283x.dtsi +++ b/arch/arm/boot/dts/bcm283x.dtsi @@ -183,6 +183,7 @@ interrupt-controller; #interrupt-cells = <2>; + gpio-ranges = <&gpio 0 0 54>; /* Defines pin muxing groups according to * BCM2835-ARM-Peripherals.pdf page 102. diff --git a/arch/arm/boot/dts/bcm5301x.dtsi b/arch/arm/boot/dts/bcm5301x.dtsi index 9711170649b69e90b7dadeb17ff9b5129d1e1ad7..05d67f9769118f0acc45ef42389ebc0ff47980de 100644 --- a/arch/arm/boot/dts/bcm5301x.dtsi +++ b/arch/arm/boot/dts/bcm5301x.dtsi @@ -242,6 +242,8 @@ gpio-controller; #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; }; pcie0: pcie@12000 { @@ -387,7 +389,7 @@ i2c0: i2c@18009000 { compatible = "brcm,iproc-i2c"; reg = <0x18009000 0x50>; - interrupts = ; + interrupts = ; #address-cells = <1>; #size-cells = <0>; clock-frequency = <100000>; diff --git a/arch/arm/boot/dts/gemini-nas4220b.dts b/arch/arm/boot/dts/gemini-nas4220b.dts index e1020e07e1366e587853efea3b72b2f5629a95d2..60cec653ac7c6b8689aecfdae2ce361880e0048f 100644 --- a/arch/arm/boot/dts/gemini-nas4220b.dts +++ b/arch/arm/boot/dts/gemini-nas4220b.dts @@ -84,7 +84,7 @@ partitions { compatible = "redboot-fis"; /* Eraseblock at 0xfe0000 */ - fis-index-block = <0x1fc>; + fis-index-block = <0x7f>; }; }; diff --git a/arch/arm/boot/dts/imx23-evk.dts b/arch/arm/boot/dts/imx23-evk.dts index 0b2701ca29212c1d800a8ed04e0958c22507c54c..858b8057e854096beb0e1781e49bb49958bd3597 100644 --- a/arch/arm/boot/dts/imx23-evk.dts +++ b/arch/arm/boot/dts/imx23-evk.dts @@ -79,7 +79,6 @@ MX23_PAD_LCD_RESET__GPIO_1_18 MX23_PAD_PWM3__GPIO_1_29 MX23_PAD_PWM4__GPIO_1_30 - MX23_PAD_SSP1_DETECT__SSP1_DETECT >; fsl,drive-strength = ; fsl,voltage = ; diff --git a/arch/arm/boot/dts/imx6qdl-udoo.dtsi b/arch/arm/boot/dts/imx6qdl-udoo.dtsi index 16672cbada28700165ffd831db0d8639d0276382..6c8da3f037335f580ab3ab384e2ce93d1b00e44e 100644 --- a/arch/arm/boot/dts/imx6qdl-udoo.dtsi +++ b/arch/arm/boot/dts/imx6qdl-udoo.dtsi @@ -5,6 +5,8 @@ * Author: Fabio Estevam */ +#include + / { aliases { backlight = &backlight; @@ -218,6 +220,7 @@ MX6QDL_PAD_SD3_DAT1__SD3_DATA1 0x17059 MX6QDL_PAD_SD3_DAT2__SD3_DATA2 0x17059 MX6QDL_PAD_SD3_DAT3__SD3_DATA3 0x17059 + MX6QDL_PAD_SD3_DAT5__GPIO7_IO00 0x1b0b0 >; }; @@ -290,7 +293,7 @@ &usdhc3 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc3>; - non-removable; + cd-gpios = <&gpio7 0 GPIO_ACTIVE_LOW>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6ull-pinfunc.h b/arch/arm/boot/dts/imx6ull-pinfunc.h index eb025a9d4759255e57a3a3ba9b491167809278a2..7328d4ef8559f021aa087e5159f3275aef345452 100644 --- a/arch/arm/boot/dts/imx6ull-pinfunc.h +++ b/arch/arm/boot/dts/imx6ull-pinfunc.h @@ -82,6 +82,6 @@ #define MX6ULL_PAD_CSI_DATA04__ESAI_TX_FS 0x01F4 0x0480 0x0000 0x9 0x0 #define MX6ULL_PAD_CSI_DATA05__ESAI_TX_CLK 0x01F8 0x0484 0x0000 0x9 0x0 #define MX6ULL_PAD_CSI_DATA06__ESAI_TX5_RX0 0x01FC 0x0488 0x0000 0x9 0x0 -#define MX6ULL_PAD_CSI_DATA07__ESAI_T0 0x0200 0x048C 0x0000 0x9 0x0 +#define MX6ULL_PAD_CSI_DATA07__ESAI_TX0 0x0200 0x048C 0x0000 0x9 0x0 #endif /* __DTS_IMX6ULL_PINFUNC_H */ diff --git a/arch/arm/boot/dts/ls1021a-tsn.dts b/arch/arm/boot/dts/ls1021a-tsn.dts index 5b7689094b70ecc876a742a7b4c4a55e8c7bea97..7235ce2a32936e122c7fbae6f89366a264b75501 100644 --- a/arch/arm/boot/dts/ls1021a-tsn.dts +++ b/arch/arm/boot/dts/ls1021a-tsn.dts @@ -247,7 +247,7 @@ flash@0 { /* Rev. A uses 64MB flash, Rev. B & C use 32MB flash */ - compatible = "jedec,spi-nor", "s25fl256s1", "s25fl512s"; + compatible = "jedec,spi-nor"; spi-max-frequency = <20000000>; #address-cells = <1>; #size-cells = <1>; diff --git a/arch/arm/boot/dts/ls1021a.dtsi b/arch/arm/boot/dts/ls1021a.dtsi index c62fcca7b42639aade17a53c3b6c5a76c5ef59f7..aeb8a40b6b601c734454f104ae80fdd0dccded0e 100644 --- a/arch/arm/boot/dts/ls1021a.dtsi +++ b/arch/arm/boot/dts/ls1021a.dtsi @@ -311,39 +311,6 @@ #thermal-sensor-cells = <1>; }; - thermal-zones { - cpu_thermal: cpu-thermal { - polling-delay-passive = <1000>; - polling-delay = <5000>; - - thermal-sensors = <&tmu 0>; - - trips { - cpu_alert: cpu-alert { - temperature = <85000>; - hysteresis = <2000>; - type = "passive"; - }; - cpu_crit: cpu-crit { - temperature = <95000>; - hysteresis = <2000>; - type = "critical"; - }; - }; - - cooling-maps { - map0 { - trip = <&cpu_alert>; - cooling-device = - <&cpu0 THERMAL_NO_LIMIT - THERMAL_NO_LIMIT>, - <&cpu1 THERMAL_NO_LIMIT - THERMAL_NO_LIMIT>; - }; - }; - }; - }; - dspi0: spi@2100000 { compatible = "fsl,ls1021a-v1.0-dspi"; #address-cells = <1>; @@ -984,4 +951,37 @@ }; }; + + thermal-zones { + cpu_thermal: cpu-thermal { + polling-delay-passive = <1000>; + polling-delay = <5000>; + + thermal-sensors = <&tmu 0>; + + trips { + cpu_alert: cpu-alert { + temperature = <85000>; + hysteresis = <2000>; + type = "passive"; + }; + cpu_crit: cpu-crit { + temperature = <95000>; + hysteresis = <2000>; + type = "critical"; + }; + }; + + cooling-maps { + map0 { + trip = <&cpu_alert>; + cooling-device = + <&cpu0 THERMAL_NO_LIMIT + THERMAL_NO_LIMIT>, + <&cpu1 THERMAL_NO_LIMIT + THERMAL_NO_LIMIT>; + }; + }; + }; + }; }; diff --git a/arch/arm/boot/dts/meson.dtsi b/arch/arm/boot/dts/meson.dtsi index c4447f6c8b2cb0fa4ff6c70419cff895b6c08c1d..e141ce748484168811d5ca342e44443a7391c682 100644 --- a/arch/arm/boot/dts/meson.dtsi +++ b/arch/arm/boot/dts/meson.dtsi @@ -49,14 +49,14 @@ }; uart_A: serial@84c0 { - compatible = "amlogic,meson6-uart", "amlogic,meson-uart"; + compatible = "amlogic,meson6-uart"; reg = <0x84c0 0x18>; interrupts = ; status = "disabled"; }; uart_B: serial@84dc { - compatible = "amlogic,meson6-uart", "amlogic,meson-uart"; + compatible = "amlogic,meson6-uart"; reg = <0x84dc 0x18>; interrupts = ; status = "disabled"; @@ -94,7 +94,7 @@ }; uart_C: serial@8700 { - compatible = "amlogic,meson6-uart", "amlogic,meson-uart"; + compatible = "amlogic,meson6-uart"; reg = <0x8700 0x18>; interrupts = ; status = "disabled"; @@ -196,7 +196,7 @@ }; uart_AO: serial@4c0 { - compatible = "amlogic,meson6-uart", "amlogic,meson-ao-uart", "amlogic,meson-uart"; + compatible = "amlogic,meson6-uart", "amlogic,meson-ao-uart"; reg = <0x4c0 0x18>; interrupts = ; status = "disabled"; diff --git a/arch/arm/boot/dts/omap-gpmc-smsc9221.dtsi b/arch/arm/boot/dts/omap-gpmc-smsc9221.dtsi index 7f6aefd134514b9108865b8e086088b7c9809cf5..e7534fe9c53cf960b216d06d27d69f17316a23ca 100644 --- a/arch/arm/boot/dts/omap-gpmc-smsc9221.dtsi +++ b/arch/arm/boot/dts/omap-gpmc-smsc9221.dtsi @@ -29,7 +29,7 @@ compatible = "smsc,lan9221","smsc,lan9115"; bank-width = <2>; - gpmc,mux-add-data; + gpmc,mux-add-data = <0>; gpmc,cs-on-ns = <0>; gpmc,cs-rd-off-ns = <42>; gpmc,cs-wr-off-ns = <36>; diff --git a/arch/arm/boot/dts/omap3-overo-tobiduo-common.dtsi b/arch/arm/boot/dts/omap3-overo-tobiduo-common.dtsi index e5da3bc6f1050e79e2573deb187b3ead25218a06..218a10c0d8159ed393b0e8f6122af96da5effaa5 100644 --- a/arch/arm/boot/dts/omap3-overo-tobiduo-common.dtsi +++ b/arch/arm/boot/dts/omap3-overo-tobiduo-common.dtsi @@ -22,7 +22,7 @@ compatible = "smsc,lan9221","smsc,lan9115"; bank-width = <2>; - gpmc,mux-add-data; + gpmc,mux-add-data = <0>; gpmc,cs-on-ns = <0>; gpmc,cs-rd-off-ns = <42>; gpmc,cs-wr-off-ns = <36>; diff --git a/arch/arm/boot/dts/socfpga_arria10_socdk_qspi.dts b/arch/arm/boot/dts/socfpga_arria10_socdk_qspi.dts index b4c0a76a4d1af2a1e51d1d82cb58d43b07888e0c..4c2fcfcc7baedd52edede635ebf9f7c018ec2b0d 100644 --- a/arch/arm/boot/dts/socfpga_arria10_socdk_qspi.dts +++ b/arch/arm/boot/dts/socfpga_arria10_socdk_qspi.dts @@ -12,7 +12,7 @@ flash0: n25q00@0 { #address-cells = <1>; #size-cells = <1>; - compatible = "n25q00aa"; + compatible = "micron,mt25qu02g", "jedec,spi-nor"; reg = <0>; spi-max-frequency = <100000000>; diff --git a/arch/arm/boot/dts/socfpga_arria5_socdk.dts b/arch/arm/boot/dts/socfpga_arria5_socdk.dts index 90e676e7019f23377dd05bbf70b45f7af0d47ea5..1b02d46496a852786705a5875e5e5adc20d9540d 100644 --- a/arch/arm/boot/dts/socfpga_arria5_socdk.dts +++ b/arch/arm/boot/dts/socfpga_arria5_socdk.dts @@ -119,7 +119,7 @@ flash: flash@0 { #address-cells = <1>; #size-cells = <1>; - compatible = "n25q256a"; + compatible = "micron,n25q256a", "jedec,spi-nor"; reg = <0>; spi-max-frequency = <100000000>; diff --git a/arch/arm/boot/dts/socfpga_cyclone5_socdk.dts b/arch/arm/boot/dts/socfpga_cyclone5_socdk.dts index 6f138b2b26163ada37d0c1cb0462ed70d44a4b4e..51bb436784e241470d7aba219b38323a37357007 100644 --- a/arch/arm/boot/dts/socfpga_cyclone5_socdk.dts +++ b/arch/arm/boot/dts/socfpga_cyclone5_socdk.dts @@ -124,7 +124,7 @@ flash0: n25q00@0 { #address-cells = <1>; #size-cells = <1>; - compatible = "n25q00"; + compatible = "micron,mt25qu02g", "jedec,spi-nor"; reg = <0>; /* chip select */ spi-max-frequency = <100000000>; diff --git a/arch/arm/boot/dts/socfpga_cyclone5_sockit.dts b/arch/arm/boot/dts/socfpga_cyclone5_sockit.dts index c155ff02eb6e035a7c7e526635a80a5feda9b4d8..cae9ddd5ed38bbd57efe8371724e59aa49fb0ac2 100644 --- a/arch/arm/boot/dts/socfpga_cyclone5_sockit.dts +++ b/arch/arm/boot/dts/socfpga_cyclone5_sockit.dts @@ -169,7 +169,7 @@ flash: flash@0 { #address-cells = <1>; #size-cells = <1>; - compatible = "n25q00"; + compatible = "micron,mt25qu02g", "jedec,spi-nor"; reg = <0>; spi-max-frequency = <100000000>; diff --git a/arch/arm/boot/dts/socfpga_cyclone5_socrates.dts b/arch/arm/boot/dts/socfpga_cyclone5_socrates.dts index 8d5d3996f6f27122412d68072767d621fa11ae8f..ca18b959e6559ebdd4515d71877211022559be19 100644 --- a/arch/arm/boot/dts/socfpga_cyclone5_socrates.dts +++ b/arch/arm/boot/dts/socfpga_cyclone5_socrates.dts @@ -80,7 +80,7 @@ flash: flash@0 { #address-cells = <1>; #size-cells = <1>; - compatible = "n25q256a"; + compatible = "micron,n25q256a", "jedec,spi-nor"; reg = <0>; spi-max-frequency = <100000000>; m25p,fast-read; diff --git a/arch/arm/boot/dts/socfpga_cyclone5_sodia.dts b/arch/arm/boot/dts/socfpga_cyclone5_sodia.dts index 99a71757cdf46330418b65aeae3646668229c378..3f7aa7bf0863aa1150b64ad4a58e120a1bdf7fc1 100644 --- a/arch/arm/boot/dts/socfpga_cyclone5_sodia.dts +++ b/arch/arm/boot/dts/socfpga_cyclone5_sodia.dts @@ -116,7 +116,7 @@ flash0: n25q512a@0 { #address-cells = <1>; #size-cells = <1>; - compatible = "n25q512a"; + compatible = "micron,n25q512a", "jedec,spi-nor"; reg = <0>; spi-max-frequency = <100000000>; diff --git a/arch/arm/boot/dts/socfpga_cyclone5_vining_fpga.dts b/arch/arm/boot/dts/socfpga_cyclone5_vining_fpga.dts index a060718758b6755a154c1842f95301d1a8c93806..25874e1b9c82987e090c7229cad34a07edb3c674 100644 --- a/arch/arm/boot/dts/socfpga_cyclone5_vining_fpga.dts +++ b/arch/arm/boot/dts/socfpga_cyclone5_vining_fpga.dts @@ -224,7 +224,7 @@ n25q128@0 { #address-cells = <1>; #size-cells = <1>; - compatible = "n25q128"; + compatible = "micron,n25q128", "jedec,spi-nor"; reg = <0>; /* chip select */ spi-max-frequency = <100000000>; m25p,fast-read; @@ -241,7 +241,7 @@ n25q00@1 { #address-cells = <1>; #size-cells = <1>; - compatible = "n25q00"; + compatible = "micron,mt25qu02g", "jedec,spi-nor"; reg = <1>; /* chip select */ spi-max-frequency = <100000000>; m25p,fast-read; diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index da740c1ca457d7c618e9bb41af1050c439e7af5c..3d65fa56a0e5d8016e7c1e5fe96d5559bcf4ed8f 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -596,11 +596,9 @@ call_fpe: tstne r0, #0x04000000 @ bit 26 set on both ARM and Thumb-2 reteq lr and r8, r0, #0x00000f00 @ mask out CP number - THUMB( lsr r8, r8, #8 ) mov r7, #1 - add r6, r10, #TI_USED_CP - ARM( strb r7, [r6, r8, lsr #8] ) @ set appropriate used_cp[] - THUMB( strb r7, [r6, r8] ) @ set appropriate used_cp[] + add r6, r10, r8, lsr #8 @ add used_cp[] array offset first + strb r7, [r6, #TI_USED_CP] @ set appropriate used_cp[] #ifdef CONFIG_IWMMXT @ Test if we need to give access to iWMMXt coprocessors ldr r5, [r10, #TI_FLAGS] @@ -609,7 +607,7 @@ call_fpe: bcs iwmmxt_task_enable #endif ARM( add pc, pc, r8, lsr #6 ) - THUMB( lsl r8, r8, #2 ) + THUMB( lsr r8, r8, #6 ) THUMB( add pc, r8 ) nop diff --git a/arch/arm/kernel/perf_callchain.c b/arch/arm/kernel/perf_callchain.c index 3b69a76d341e784075a1f8ef053f0d308177feee..1626dfc6f6ce61c6aa7b94973190a86e6887f74a 100644 --- a/arch/arm/kernel/perf_callchain.c +++ b/arch/arm/kernel/perf_callchain.c @@ -62,9 +62,10 @@ user_backtrace(struct frame_tail __user *tail, void perf_callchain_user(struct perf_callchain_entry_ctx *entry, struct pt_regs *regs) { + struct perf_guest_info_callbacks *guest_cbs = perf_get_guest_cbs(); struct frame_tail __user *tail; - if (perf_guest_cbs && perf_guest_cbs->is_in_guest()) { + if (guest_cbs && guest_cbs->is_in_guest()) { /* We don't support guest os callchain now */ return; } @@ -98,9 +99,10 @@ callchain_trace(struct stackframe *fr, void perf_callchain_kernel(struct perf_callchain_entry_ctx *entry, struct pt_regs *regs) { + struct perf_guest_info_callbacks *guest_cbs = perf_get_guest_cbs(); struct stackframe fr; - if (perf_guest_cbs && perf_guest_cbs->is_in_guest()) { + if (guest_cbs && guest_cbs->is_in_guest()) { /* We don't support guest os callchain now */ return; } @@ -111,18 +113,21 @@ perf_callchain_kernel(struct perf_callchain_entry_ctx *entry, struct pt_regs *re unsigned long perf_instruction_pointer(struct pt_regs *regs) { - if (perf_guest_cbs && perf_guest_cbs->is_in_guest()) - return perf_guest_cbs->get_guest_ip(); + struct perf_guest_info_callbacks *guest_cbs = perf_get_guest_cbs(); + + if (guest_cbs && guest_cbs->is_in_guest()) + return guest_cbs->get_guest_ip(); return instruction_pointer(regs); } unsigned long perf_misc_flags(struct pt_regs *regs) { + struct perf_guest_info_callbacks *guest_cbs = perf_get_guest_cbs(); int misc = 0; - if (perf_guest_cbs && perf_guest_cbs->is_in_guest()) { - if (perf_guest_cbs->is_user_mode()) + if (guest_cbs && guest_cbs->is_in_guest()) { + if (guest_cbs->is_user_mode()) misc |= PERF_RECORD_MISC_GUEST_USER; else misc |= PERF_RECORD_MISC_GUEST_KERNEL; diff --git a/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c b/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c index ee949255ced3f01ad4256b2b7bea3ba669006309..09ef73b99dd86a851a98bc7c75c433821c5b5bf1 100644 --- a/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c +++ b/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c @@ -154,8 +154,10 @@ static int __init rcar_gen2_regulator_quirk(void) return -ENODEV; for_each_matching_node_and_match(np, rcar_gen2_quirk_match, &id) { - if (!of_device_is_available(np)) + if (!of_device_is_available(np)) { + of_node_put(np); break; + } ret = of_property_read_u32(np, "reg", &addr); if (ret) /* Skip invalid entry and continue */ @@ -164,6 +166,7 @@ static int __init rcar_gen2_regulator_quirk(void) quirk = kzalloc(sizeof(*quirk), GFP_KERNEL); if (!quirk) { ret = -ENOMEM; + of_node_put(np); goto err_mem; } diff --git a/arch/arm/mach-socfpga/Kconfig b/arch/arm/mach-socfpga/Kconfig index 22af5e308db6cc813f28a7c8c2f28ffc758dea50..61b872792c4cb3ba213588416f9555943e6c7ce0 100644 --- a/arch/arm/mach-socfpga/Kconfig +++ b/arch/arm/mach-socfpga/Kconfig @@ -2,6 +2,7 @@ menuconfig ARCH_SOCFPGA bool "Altera SOCFPGA family" depends on ARCH_MULTI_V7 + select ARCH_HAS_RESET_CONTROLLER select ARCH_SUPPORTS_BIG_ENDIAN select ARM_AMBA select ARM_GIC @@ -19,6 +20,7 @@ menuconfig ARCH_SOCFPGA select PL310_ERRATA_727915 select PL310_ERRATA_753970 if PL310 select PL310_ERRATA_769419 + select RESET_CONTROLLER if ARCH_SOCFPGA config SOCFPGA_SUSPEND diff --git a/arch/arm/mach-socfpga/core.h b/arch/arm/mach-socfpga/core.h index fc2608b18a0d048c62aed905f4f76da438f94426..18f01190dcfd423d3e8f9ac23408f26af1b729c8 100644 --- a/arch/arm/mach-socfpga/core.h +++ b/arch/arm/mach-socfpga/core.h @@ -33,7 +33,7 @@ extern void __iomem *sdr_ctl_base_addr; u32 socfpga_sdram_self_refresh(u32 sdr_base); extern unsigned int socfpga_sdram_self_refresh_sz; -extern char secondary_trampoline, secondary_trampoline_end; +extern char secondary_trampoline[], secondary_trampoline_end[]; extern unsigned long socfpga_cpu1start_addr; diff --git a/arch/arm/mach-socfpga/platsmp.c b/arch/arm/mach-socfpga/platsmp.c index fbb80b883e5dd2606ee0c8130e242e42439d8468..201191cf68f324ca970e93162d46500214b449a5 100644 --- a/arch/arm/mach-socfpga/platsmp.c +++ b/arch/arm/mach-socfpga/platsmp.c @@ -20,14 +20,14 @@ static int socfpga_boot_secondary(unsigned int cpu, struct task_struct *idle) { - int trampoline_size = &secondary_trampoline_end - &secondary_trampoline; + int trampoline_size = secondary_trampoline_end - secondary_trampoline; if (socfpga_cpu1start_addr) { /* This will put CPU #1 into reset. */ writel(RSTMGR_MPUMODRST_CPU1, rst_manager_base_addr + SOCFPGA_RSTMGR_MODMPURST); - memcpy(phys_to_virt(0), &secondary_trampoline, trampoline_size); + memcpy(phys_to_virt(0), secondary_trampoline, trampoline_size); writel(__pa_symbol(secondary_startup), sys_manager_base_addr + (socfpga_cpu1start_addr & 0x000000ff)); @@ -45,12 +45,12 @@ static int socfpga_boot_secondary(unsigned int cpu, struct task_struct *idle) static int socfpga_a10_boot_secondary(unsigned int cpu, struct task_struct *idle) { - int trampoline_size = &secondary_trampoline_end - &secondary_trampoline; + int trampoline_size = secondary_trampoline_end - secondary_trampoline; if (socfpga_cpu1start_addr) { writel(RSTMGR_MPUMODRST_CPU1, rst_manager_base_addr + SOCFPGA_A10_RSTMGR_MODMPURST); - memcpy(phys_to_virt(0), &secondary_trampoline, trampoline_size); + memcpy(phys_to_virt(0), secondary_trampoline, trampoline_size); writel(__pa_symbol(secondary_startup), sys_manager_base_addr + (socfpga_cpu1start_addr & 0x00000fff)); diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index 7126139aa300e0e6a90c08413e070da53df8b80c..00ffee644372e3447f12ac3046352da0e1e96033 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -743,6 +743,7 @@ config SWP_EMULATE config CPU_BIG_ENDIAN bool "Build big-endian kernel" depends on ARCH_SUPPORTS_BIG_ENDIAN + depends on !LD_IS_LLD help Say Y if you plan on running a kernel in big-endian mode. Note that your board must be properly built and your board diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 5a3641b5ec2cd09e5638dfbcd07c7ae8823e769c..ff2cd985d20e0e5d96bde80bf645301f2a42a147 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -176,11 +176,22 @@ static void __init zone_sizes_init(unsigned long min, unsigned long max_low, int pfn_valid(unsigned long pfn) { phys_addr_t addr = __pfn_to_phys(pfn); + unsigned long pageblock_size = PAGE_SIZE * pageblock_nr_pages; if (__phys_to_pfn(addr) != pfn) return 0; - return memblock_is_map_memory(__pfn_to_phys(pfn)); + /* + * If address less than pageblock_size bytes away from a present + * memory chunk there still will be a memory map entry for it + * because we round freed memory map to the pageblock boundaries. + */ + if (memblock_overlaps_region(&memblock.memory, + ALIGN_DOWN(addr, pageblock_size), + pageblock_size)) + return 1; + + return 0; } EXPORT_SYMBOL(pfn_valid); #endif @@ -371,14 +382,14 @@ static void __init free_unused_memmap(void) */ start = min(start, ALIGN(prev_end, PAGES_PER_SECTION)); -#else +#endif /* - * Align down here since the VM subsystem insists that the - * memmap entries are valid from the bank start aligned to - * MAX_ORDER_NR_PAGES. + * Align down here since many operations in VM subsystem + * presume that there are no holes in the memory map inside + * a pageblock */ - start = round_down(start, MAX_ORDER_NR_PAGES); -#endif + start = round_down(start, pageblock_nr_pages); + /* * If we had a previous bank, and there is a space * between the current bank and the previous, free it. @@ -387,18 +398,20 @@ static void __init free_unused_memmap(void) free_memmap(prev_end, start); /* - * Align up here since the VM subsystem insists that the - * memmap entries are valid from the bank end aligned to - * MAX_ORDER_NR_PAGES. + * Align up here since many operations in VM subsystem + * presume that there are no holes in the memory map inside + * a pageblock */ prev_end = ALIGN(memblock_region_memory_end_pfn(reg), - MAX_ORDER_NR_PAGES); + pageblock_nr_pages); } #ifdef CONFIG_SPARSEMEM - if (!IS_ALIGNED(prev_end, PAGES_PER_SECTION)) + if (!IS_ALIGNED(prev_end, PAGES_PER_SECTION)) { + prev_end = ALIGN(prev_end, pageblock_nr_pages); free_memmap(prev_end, ALIGN(prev_end, PAGES_PER_SECTION)); + } #endif } diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c index d42b9331618325467e0d696f7814097ca7c78dc9..513c26b46db35272bd1260735926d0a1a835d8fe 100644 --- a/arch/arm/mm/ioremap.c +++ b/arch/arm/mm/ioremap.c @@ -27,6 +27,7 @@ #include #include #include +#include #include #include @@ -301,7 +302,8 @@ static void __iomem * __arm_ioremap_pfn_caller(unsigned long pfn, * Don't allow RAM to be mapped with mismatched attributes - this * causes problems with ARMv6+ */ - if (WARN_ON(pfn_valid(pfn) && mtype != MT_MEMORY_RW)) + if (WARN_ON(memblock_is_map_memory(PFN_PHYS(pfn)) && + mtype != MT_MEMORY_RW)) return NULL; area = get_vm_area_caller(size, VM_IOREMAP, caller); diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-zero-plus.dts b/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-zero-plus.dts index db6ea7b58999b2d2159902e2c836c6c715b76b9c..19f930f43936ee77c3e788faf961bad682c63dbb 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-zero-plus.dts +++ b/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-zero-plus.dts @@ -72,7 +72,7 @@ pinctrl-0 = <&emac_rgmii_pins>; phy-supply = <®_gmac_3v3>; phy-handle = <&ext_rgmii_phy>; - phy-mode = "rgmii"; + phy-mode = "rgmii-id"; status = "okay"; }; diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-wetek.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb-wetek.dtsi index e3d17569d98ad15625726ffa69ff85154207cc9a..e94f09c2d4e3202f3420a2e4e27d67ebd7a25614 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxbb-wetek.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-wetek.dtsi @@ -6,6 +6,7 @@ */ #include "meson-gxbb.dtsi" +#include / { aliases { @@ -64,6 +65,7 @@ regulator-name = "VDDIO_AO18"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; + regulator-always-on; }; vcc_3v3: regulator-vcc_3v3 { @@ -157,6 +159,7 @@ status = "okay"; pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>; pinctrl-names = "default"; + hdmi-supply = <&vddio_ao18>; }; &hdmi_tx_tmds_port { diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts b/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts index 078a5010228cd7f55cc161b82f46ea65bf9dfd5d..0b3a93c4155d23d19703c4166ec105c5cb72fa9d 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts @@ -161,11 +161,6 @@ vcc-supply = <&sb_3v3>; }; - rtc@51 { - compatible = "nxp,pcf2129"; - reg = <0x51>; - }; - eeprom@56 { compatible = "atmel,24c512"; reg = <0x56>; @@ -209,6 +204,15 @@ }; +&i2c1 { + status = "okay"; + + rtc@51 { + compatible = "nxp,pcf2129"; + reg = <0x51>; + }; +}; + &enetc_port1 { phy-handle = <&qds_phy1>; phy-connection-type = "rgmii-id"; diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi index 407ebdb35cd2e9a164b294839ffe62c48be6da68..6b1b728de9e9c694f583ad13062314ea52ed9536 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi +++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi @@ -637,56 +637,56 @@ }; cluster1_core0_watchdog: wdt@c000000 { - compatible = "arm,sp805-wdt", "arm,primecell"; + compatible = "arm,sp805", "arm,primecell"; reg = <0x0 0xc000000 0x0 0x1000>; clocks = <&clockgen 4 3>, <&clockgen 4 3>; clock-names = "wdog_clk", "apb_pclk"; }; cluster1_core1_watchdog: wdt@c010000 { - compatible = "arm,sp805-wdt", "arm,primecell"; + compatible = "arm,sp805", "arm,primecell"; reg = <0x0 0xc010000 0x0 0x1000>; clocks = <&clockgen 4 3>, <&clockgen 4 3>; clock-names = "wdog_clk", "apb_pclk"; }; cluster1_core2_watchdog: wdt@c020000 { - compatible = "arm,sp805-wdt", "arm,primecell"; + compatible = "arm,sp805", "arm,primecell"; reg = <0x0 0xc020000 0x0 0x1000>; clocks = <&clockgen 4 3>, <&clockgen 4 3>; clock-names = "wdog_clk", "apb_pclk"; }; cluster1_core3_watchdog: wdt@c030000 { - compatible = "arm,sp805-wdt", "arm,primecell"; + compatible = "arm,sp805", "arm,primecell"; reg = <0x0 0xc030000 0x0 0x1000>; clocks = <&clockgen 4 3>, <&clockgen 4 3>; clock-names = "wdog_clk", "apb_pclk"; }; cluster2_core0_watchdog: wdt@c100000 { - compatible = "arm,sp805-wdt", "arm,primecell"; + compatible = "arm,sp805", "arm,primecell"; reg = <0x0 0xc100000 0x0 0x1000>; clocks = <&clockgen 4 3>, <&clockgen 4 3>; clock-names = "wdog_clk", "apb_pclk"; }; cluster2_core1_watchdog: wdt@c110000 { - compatible = "arm,sp805-wdt", "arm,primecell"; + compatible = "arm,sp805", "arm,primecell"; reg = <0x0 0xc110000 0x0 0x1000>; clocks = <&clockgen 4 3>, <&clockgen 4 3>; clock-names = "wdog_clk", "apb_pclk"; }; cluster2_core2_watchdog: wdt@c120000 { - compatible = "arm,sp805-wdt", "arm,primecell"; + compatible = "arm,sp805", "arm,primecell"; reg = <0x0 0xc120000 0x0 0x1000>; clocks = <&clockgen 4 3>, <&clockgen 4 3>; clock-names = "wdog_clk", "apb_pclk"; }; cluster2_core3_watchdog: wdt@c130000 { - compatible = "arm,sp805-wdt", "arm,primecell"; + compatible = "arm,sp805", "arm,primecell"; reg = <0x0 0xc130000 0x0 0x1000>; clocks = <&clockgen 4 3>, <&clockgen 4 3>; clock-names = "wdog_clk", "apb_pclk"; diff --git a/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi index 82f0fe6acbfb75bac30cd6cfa1d82b214f007767..4bf4a22faa61af477daa5efd9db855becb6a4520 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi +++ b/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi @@ -227,56 +227,56 @@ }; cluster1_core0_watchdog: wdt@c000000 { - compatible = "arm,sp805-wdt", "arm,primecell"; + compatible = "arm,sp805", "arm,primecell"; reg = <0x0 0xc000000 0x0 0x1000>; clocks = <&clockgen 4 3>, <&clockgen 4 3>; clock-names = "wdog_clk", "apb_pclk"; }; cluster1_core1_watchdog: wdt@c010000 { - compatible = "arm,sp805-wdt", "arm,primecell"; + compatible = "arm,sp805", "arm,primecell"; reg = <0x0 0xc010000 0x0 0x1000>; clocks = <&clockgen 4 3>, <&clockgen 4 3>; clock-names = "wdog_clk", "apb_pclk"; }; cluster2_core0_watchdog: wdt@c100000 { - compatible = "arm,sp805-wdt", "arm,primecell"; + compatible = "arm,sp805", "arm,primecell"; reg = <0x0 0xc100000 0x0 0x1000>; clocks = <&clockgen 4 3>, <&clockgen 4 3>; clock-names = "wdog_clk", "apb_pclk"; }; cluster2_core1_watchdog: wdt@c110000 { - compatible = "arm,sp805-wdt", "arm,primecell"; + compatible = "arm,sp805", "arm,primecell"; reg = <0x0 0xc110000 0x0 0x1000>; clocks = <&clockgen 4 3>, <&clockgen 4 3>; clock-names = "wdog_clk", "apb_pclk"; }; cluster3_core0_watchdog: wdt@c200000 { - compatible = "arm,sp805-wdt", "arm,primecell"; + compatible = "arm,sp805", "arm,primecell"; reg = <0x0 0xc200000 0x0 0x1000>; clocks = <&clockgen 4 3>, <&clockgen 4 3>; clock-names = "wdog_clk", "apb_pclk"; }; cluster3_core1_watchdog: wdt@c210000 { - compatible = "arm,sp805-wdt", "arm,primecell"; + compatible = "arm,sp805", "arm,primecell"; reg = <0x0 0xc210000 0x0 0x1000>; clocks = <&clockgen 4 3>, <&clockgen 4 3>; clock-names = "wdog_clk", "apb_pclk"; }; cluster4_core0_watchdog: wdt@c300000 { - compatible = "arm,sp805-wdt", "arm,primecell"; + compatible = "arm,sp805", "arm,primecell"; reg = <0x0 0xc300000 0x0 0x1000>; clocks = <&clockgen 4 3>, <&clockgen 4 3>; clock-names = "wdog_clk", "apb_pclk"; }; cluster4_core1_watchdog: wdt@c310000 { - compatible = "arm,sp805-wdt", "arm,primecell"; + compatible = "arm,sp805", "arm,primecell"; reg = <0x0 0xc310000 0x0 0x1000>; clocks = <&clockgen 4 3>, <&clockgen 4 3>; clock-names = "wdog_clk", "apb_pclk"; diff --git a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi index 0637e5883a9bee85377c1964f71926d65a026348..e4e03ba7c37af72414fa7b61000db581d36c350b 100644 --- a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi +++ b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi @@ -1100,7 +1100,7 @@ }; watchdog0: watchdog@e8a06000 { - compatible = "arm,sp805-wdt", "arm,primecell"; + compatible = "arm,sp805", "arm,primecell"; reg = <0x0 0xe8a06000 0x0 0x1000>; interrupts = ; clocks = <&crg_ctrl HI3660_OSC32K>; @@ -1108,7 +1108,7 @@ }; watchdog1: watchdog@e8a07000 { - compatible = "arm,sp805-wdt", "arm,primecell"; + compatible = "arm,sp805", "arm,primecell"; reg = <0x0 0xe8a07000 0x0 0x1000>; interrupts = ; clocks = <&crg_ctrl HI3660_OSC32K>; diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi index 108e2a4227f663fa3dfacc57c697b6fed8e4263e..568faaba7ace994fa1fb66737649f58ffad8d48f 100644 --- a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi +++ b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi @@ -839,7 +839,7 @@ }; watchdog0: watchdog@f8005000 { - compatible = "arm,sp805-wdt", "arm,primecell"; + compatible = "arm,sp805", "arm,primecell"; reg = <0x0 0xf8005000 0x0 0x1000>; interrupts = ; clocks = <&ao_ctrl HI6220_WDT0_PCLK>; diff --git a/arch/arm64/boot/dts/marvell/armada-3720-db.dts b/arch/arm64/boot/dts/marvell/armada-3720-db.dts index f2cc00594d64a7672d0935785470141fa57dece5..3e5789f372069164fddd2ef2a078ad3cf5508e1f 100644 --- a/arch/arm64/boot/dts/marvell/armada-3720-db.dts +++ b/arch/arm64/boot/dts/marvell/armada-3720-db.dts @@ -128,6 +128,9 @@ /* CON15(V2.0)/CON17(V1.4) : PCIe / CON15(V2.0)/CON12(V1.4) :mini-PCIe */ &pcie0 { + pinctrl-names = "default"; + pinctrl-0 = <&pcie_reset_pins &pcie_clkreq_pins>; + reset-gpios = <&gpiosb 3 GPIO_ACTIVE_LOW>; status = "okay"; }; diff --git a/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts b/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts index 6226e7e8098075b0f1fb761d3c17b71885d89a79..a75bb2ea3506da905d9b5ce32fa04fc7a1d8d508 100644 --- a/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts +++ b/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts @@ -59,6 +59,7 @@ phys = <&comphy1 0>; pinctrl-names = "default"; pinctrl-0 = <&pcie_reset_pins &pcie_clkreq_pins>; + reset-gpios = <&gpiosb 3 GPIO_ACTIVE_LOW>; }; /* J6 */ diff --git a/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts b/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts index de0eabff29353d9fc29922f5ae94950b9d69dd99..16e73597bb78c3c0e70df76ed970b8586fa34a11 100644 --- a/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts +++ b/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts @@ -127,10 +127,6 @@ }; }; -&pcie_reset_pins { - function = "gpio"; -}; - &pcie0 { pinctrl-names = "default"; pinctrl-0 = <&pcie_reset_pins &pcie_clkreq_pins>; diff --git a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi index c28611c1c251a490bbd025fabbbbb2cab56c2f01..3d15e4ab3f53a406f10b4365bf3a18aa9183b726 100644 --- a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi +++ b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi @@ -318,7 +318,7 @@ pcie_reset_pins: pcie-reset-pins { groups = "pcie1"; - function = "pcie"; + function = "gpio"; }; pcie_clkreq_pins: pcie-clkreq-pins { diff --git a/arch/arm64/boot/dts/marvell/armada-8040-mcbin.dtsi b/arch/arm64/boot/dts/marvell/armada-8040-mcbin.dtsi index d250f4b2bfedbd45662f29b1eb04793a21765985..bf443ca1fcf11b77ea1d7a7900db6b1d9a3057a7 100644 --- a/arch/arm64/boot/dts/marvell/armada-8040-mcbin.dtsi +++ b/arch/arm64/boot/dts/marvell/armada-8040-mcbin.dtsi @@ -71,6 +71,7 @@ tx-fault-gpio = <&cp1_gpio1 26 GPIO_ACTIVE_HIGH>; pinctrl-names = "default"; pinctrl-0 = <&cp1_sfpp0_pins>; + maximum-power-milliwatt = <2000>; }; sfp_eth1: sfp-eth1 { @@ -83,6 +84,7 @@ tx-fault-gpio = <&cp0_gpio2 30 GPIO_ACTIVE_HIGH>; pinctrl-names = "default"; pinctrl-0 = <&cp1_sfpp1_pins &cp0_sfpp1_pins>; + maximum-power-milliwatt = <2000>; }; sfp_eth3: sfp-eth3 { @@ -95,6 +97,7 @@ tx-fault-gpio = <&cp0_gpio2 19 GPIO_ACTIVE_HIGH>; pinctrl-names = "default"; pinctrl-0 = <&cp0_sfp_1g_pins &cp1_sfp_1g_pins>; + maximum-power-milliwatt = <2000>; }; }; diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi index 9abf0cb1dd67f6a2d1ba09c0af3bcc32e60e6821..4457262750734894b4f0dd51835b1af3d2326a6c 100644 --- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi @@ -709,7 +709,7 @@ ccplex@e000000 { compatible = "nvidia,tegra186-ccplex-cluster"; - reg = <0x0 0x0e000000 0x0 0x3fffff>; + reg = <0x0 0x0e000000 0x0 0x400000>; nvidia,bpmp = <&bpmp>; }; diff --git a/arch/arm64/boot/dts/qcom/msm8916.dtsi b/arch/arm64/boot/dts/qcom/msm8916.dtsi index 449843f2184d81a8939eb606d3d5c482099164ad..301c1c467c0b748eaad4041d2f0ea29af37f7c4e 100644 --- a/arch/arm64/boot/dts/qcom/msm8916.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8916.dtsi @@ -16,8 +16,8 @@ #size-cells = <2>; aliases { - sdhc1 = &sdhc_1; /* SDC1 eMMC slot */ - sdhc2 = &sdhc_2; /* SDC2 SD card slot */ + mmc0 = &sdhc_1; /* SDC1 eMMC slot */ + mmc1 = &sdhc_2; /* SDC2 SD card slot */ }; chosen { }; diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi index d303df3887d9f03007cdfe662f5114b2b72d37eb..f1d3c51ea8d0d0d8a7e2f017e1fa47fe108fdfce 100644 --- a/arch/arm64/boot/dts/qcom/msm8996.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi @@ -2098,9 +2098,6 @@ nvmem-cells = <&gpu_speed_bin>; nvmem-cell-names = "speed_bin"; - qcom,gpu-quirk-two-pass-use-wfi; - qcom,gpu-quirk-fault-detect-mask; - operating-points-v2 = <&gpu_opp_table>; gpu_opp_table: opp-table { diff --git a/arch/arm64/boot/dts/qcom/msm8998.dtsi b/arch/arm64/boot/dts/qcom/msm8998.dtsi index ccd535edbf4e1948f80f3808bb2790a0ebc6d313..dcb79003ca0e6f99f0c71efe85de51740b4de734 100644 --- a/arch/arm64/boot/dts/qcom/msm8998.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8998.dtsi @@ -246,38 +246,42 @@ LITTLE_CPU_SLEEP_0: cpu-sleep-0-0 { compatible = "arm,idle-state"; idle-state-name = "little-retention"; + /* CPU Retention (C2D), L2 Active */ arm,psci-suspend-param = <0x00000002>; entry-latency-us = <81>; exit-latency-us = <86>; - min-residency-us = <200>; + min-residency-us = <504>; }; LITTLE_CPU_SLEEP_1: cpu-sleep-0-1 { compatible = "arm,idle-state"; idle-state-name = "little-power-collapse"; + /* CPU + L2 Power Collapse (C3, D4) */ arm,psci-suspend-param = <0x40000003>; - entry-latency-us = <273>; - exit-latency-us = <612>; - min-residency-us = <1000>; + entry-latency-us = <814>; + exit-latency-us = <4562>; + min-residency-us = <9183>; local-timer-stop; }; BIG_CPU_SLEEP_0: cpu-sleep-1-0 { compatible = "arm,idle-state"; idle-state-name = "big-retention"; + /* CPU Retention (C2D), L2 Active */ arm,psci-suspend-param = <0x00000002>; entry-latency-us = <79>; exit-latency-us = <82>; - min-residency-us = <200>; + min-residency-us = <1302>; }; BIG_CPU_SLEEP_1: cpu-sleep-1-1 { compatible = "arm,idle-state"; idle-state-name = "big-power-collapse"; + /* CPU + L2 Power Collapse (C3, D4) */ arm,psci-suspend-param = <0x40000003>; - entry-latency-us = <336>; - exit-latency-us = <525>; - min-residency-us = <1000>; + entry-latency-us = <724>; + exit-latency-us = <2027>; + min-residency-us = <9419>; local-timer-stop; }; }; diff --git a/arch/arm64/boot/dts/rockchip/rk3399-khadas-edge.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-khadas-edge.dtsi index e87a04477440e29d2adbb144e66b1cbd48a38aed..292ca70c512b50381fa02b9b9901fc435f65ee96 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-khadas-edge.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399-khadas-edge.dtsi @@ -685,7 +685,6 @@ &sdhci { bus-width = <8>; mmc-hs400-1_8v; - mmc-hs400-enhanced-strobe; non-removable; status = "okay"; }; diff --git a/arch/arm64/boot/dts/rockchip/rk3399-leez-p710.dts b/arch/arm64/boot/dts/rockchip/rk3399-leez-p710.dts index 73be38a537960ed9d551a453e81d26c7d2c89126..a72e77c261ef3bcbfe3593a1b21ec574e4d817ba 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-leez-p710.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-leez-p710.dts @@ -49,7 +49,7 @@ regulator-boot-on; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; - vim-supply = <&vcc3v3_sys>; + vin-supply = <&vcc3v3_sys>; }; vcc3v3_sys: vcc3v3-sys { diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dts b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dts index 1ae1ebd4efdd077d8b184b56d4dc503d6cfc27a8..da3b031d4befad2120be2a469e84d43f949ba897 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dts @@ -452,7 +452,7 @@ status = "okay"; bt656-supply = <&vcc_3v0>; - audio-supply = <&vcc_3v0>; + audio-supply = <&vcc1v8_codec>; sdmmc-supply = <&vcc_sdio>; gpio1830-supply = <&vcc_3v0>; }; diff --git a/arch/arm64/boot/dts/ti/k3-j721e.dtsi b/arch/arm64/boot/dts/ti/k3-j721e.dtsi index 43ea1ba9792203d445b589b160de68f4edafa1e9..5a6e74636d6fc4208df31bcc2ac9f030cc295632 100644 --- a/arch/arm64/boot/dts/ti/k3-j721e.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j721e.dtsi @@ -60,7 +60,7 @@ i-cache-sets = <256>; d-cache-size = <0x8000>; d-cache-line-size = <64>; - d-cache-sets = <128>; + d-cache-sets = <256>; next-level-cache = <&L2_0>; }; @@ -74,7 +74,7 @@ i-cache-sets = <256>; d-cache-size = <0x8000>; d-cache-line-size = <64>; - d-cache-sets = <128>; + d-cache-sets = <256>; next-level-cache = <&L2_0>; }; }; @@ -84,7 +84,7 @@ cache-level = <2>; cache-size = <0x100000>; cache-line-size = <64>; - cache-sets = <2048>; + cache-sets = <1024>; next-level-cache = <&msmc_l3>; }; diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zc1751-xm016-dc2.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zc1751-xm016-dc2.dts index 2421ec71a201c2b696ad2d329538e80acd42c1af..41a66787247b611e09a3e908e36df18288298cda 100644 --- a/arch/arm64/boot/dts/xilinx/zynqmp-zc1751-xm016-dc2.dts +++ b/arch/arm64/boot/dts/xilinx/zynqmp-zc1751-xm016-dc2.dts @@ -131,7 +131,7 @@ reg = <0>; partition@0 { - label = "data"; + label = "spi0-data"; reg = <0x0 0x100000>; }; }; @@ -149,7 +149,7 @@ reg = <0>; partition@0 { - label = "data"; + label = "spi1-data"; reg = <0x0 0x84000>; }; }; diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi index a2645262f862349f7dd84757bff540aad5ac8b47..b92549fb32400e35107d4997e4b81a7b787ea021 100644 --- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi +++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi @@ -582,7 +582,7 @@ }; uart0: serial@ff000000 { - compatible = "cdns,uart-r1p12", "xlnx,xuartps"; + compatible = "xlnx,zynqmp-uart", "cdns,uart-r1p12"; status = "disabled"; interrupt-parent = <&gic>; interrupts = <0 21 4>; @@ -591,7 +591,7 @@ }; uart1: serial@ff010000 { - compatible = "cdns,uart-r1p12", "xlnx,xuartps"; + compatible = "xlnx,zynqmp-uart", "cdns,uart-r1p12"; status = "disabled"; interrupt-parent = <&gic>; interrupts = <0 22 4>; diff --git a/arch/arm64/kernel/perf_callchain.c b/arch/arm64/kernel/perf_callchain.c index b0e03e052dd1d5e2d80db3448b37a77b5634e094..b84ec4ce7d8dcdd12f2a3e76a79086949077bbc2 100644 --- a/arch/arm64/kernel/perf_callchain.c +++ b/arch/arm64/kernel/perf_callchain.c @@ -102,7 +102,9 @@ compat_user_backtrace(struct compat_frame_tail __user *tail, void perf_callchain_user(struct perf_callchain_entry_ctx *entry, struct pt_regs *regs) { - if (perf_guest_cbs && perf_guest_cbs->is_in_guest()) { + struct perf_guest_info_callbacks *guest_cbs = perf_get_guest_cbs(); + + if (guest_cbs && guest_cbs->is_in_guest()) { /* We don't support guest os callchain now */ return; } @@ -147,9 +149,10 @@ static int callchain_trace(struct stackframe *frame, void *data) void perf_callchain_kernel(struct perf_callchain_entry_ctx *entry, struct pt_regs *regs) { + struct perf_guest_info_callbacks *guest_cbs = perf_get_guest_cbs(); struct stackframe frame; - if (perf_guest_cbs && perf_guest_cbs->is_in_guest()) { + if (guest_cbs && guest_cbs->is_in_guest()) { /* We don't support guest os callchain now */ return; } @@ -160,18 +163,21 @@ void perf_callchain_kernel(struct perf_callchain_entry_ctx *entry, unsigned long perf_instruction_pointer(struct pt_regs *regs) { - if (perf_guest_cbs && perf_guest_cbs->is_in_guest()) - return perf_guest_cbs->get_guest_ip(); + struct perf_guest_info_callbacks *guest_cbs = perf_get_guest_cbs(); + + if (guest_cbs && guest_cbs->is_in_guest()) + return guest_cbs->get_guest_ip(); return instruction_pointer(regs); } unsigned long perf_misc_flags(struct pt_regs *regs) { + struct perf_guest_info_callbacks *guest_cbs = perf_get_guest_cbs(); int misc = 0; - if (perf_guest_cbs && perf_guest_cbs->is_in_guest()) { - if (perf_guest_cbs->is_user_mode()) + if (guest_cbs && guest_cbs->is_in_guest()) { + if (guest_cbs->is_user_mode()) misc |= PERF_RECORD_MISC_GUEST_USER; else misc |= PERF_RECORD_MISC_GUEST_KERNEL; diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c index 5b27cb7cb3bc2ceba5fb4df0e11f4021830ad3b5..57b5d0f3909a352ccd0ec437e0b8a13fa52f3833 100644 --- a/arch/arm64/kernel/process.c +++ b/arch/arm64/kernel/process.c @@ -499,34 +499,26 @@ static void entry_task_switch(struct task_struct *next) /* * ARM erratum 1418040 handling, affecting the 32bit view of CNTVCT. - * Assuming the virtual counter is enabled at the beginning of times: - * - * - disable access when switching from a 64bit task to a 32bit task - * - enable access when switching from a 32bit task to a 64bit task + * Ensure access is disabled when switching to a 32bit task, ensure + * access is enabled when switching to a 64bit task. */ -static void erratum_1418040_thread_switch(struct task_struct *prev, - struct task_struct *next) +static void erratum_1418040_thread_switch(struct task_struct *next) { - bool prev32, next32; - u64 val; - - if (!IS_ENABLED(CONFIG_ARM64_ERRATUM_1418040)) - return; - - prev32 = is_compat_thread(task_thread_info(prev)); - next32 = is_compat_thread(task_thread_info(next)); - - if (prev32 == next32 || !this_cpu_has_cap(ARM64_WORKAROUND_1418040)) + if (!IS_ENABLED(CONFIG_ARM64_ERRATUM_1418040) || + !this_cpu_has_cap(ARM64_WORKAROUND_1418040)) return; - val = read_sysreg(cntkctl_el1); - - if (!next32) - val |= ARCH_TIMER_USR_VCT_ACCESS_EN; + if (is_compat_thread(task_thread_info(next))) + sysreg_clear_set(cntkctl_el1, ARCH_TIMER_USR_VCT_ACCESS_EN, 0); else - val &= ~ARCH_TIMER_USR_VCT_ACCESS_EN; + sysreg_clear_set(cntkctl_el1, 0, ARCH_TIMER_USR_VCT_ACCESS_EN); +} - write_sysreg(val, cntkctl_el1); +static void erratum_1418040_new_exec(void) +{ + preempt_disable(); + erratum_1418040_thread_switch(current); + preempt_enable(); } /* @@ -545,7 +537,7 @@ __notrace_funcgraph struct task_struct *__switch_to(struct task_struct *prev, uao_thread_switch(next); ptrauth_thread_switch(next); ssbs_thread_switch(next); - erratum_1418040_thread_switch(prev, next); + erratum_1418040_thread_switch(next); scs_overflow_check(next); /* @@ -607,6 +599,7 @@ void arch_setup_new_exec(void) current->mm->context.flags = is_compat_task() ? MMCF_AARCH32 : 0; ptrauth_thread_init_user(current); + erratum_1418040_new_exec(); } #ifdef CONFIG_ARM64_TAGGED_ADDR_ABI diff --git a/arch/arm64/kernel/vdso32/Makefile b/arch/arm64/kernel/vdso32/Makefile index 56543eac118cc3182fa4195072f57934811b6ea5..3e8490769d89daf47200e4dc128c22df2c970d8a 100644 --- a/arch/arm64/kernel/vdso32/Makefile +++ b/arch/arm64/kernel/vdso32/Makefile @@ -43,7 +43,8 @@ cc32-as-instr = $(call try-run,\ # As a result we set our own flags here. # KBUILD_CPPFLAGS and NOSTDINC_FLAGS from top-level Makefile -VDSO_CPPFLAGS := -D__KERNEL__ -nostdinc -isystem $(shell $(CC_COMPAT) -print-file-name=include) +VDSO_CPPFLAGS := -D__KERNEL__ -nostdinc +VDSO_CPPFLAGS += -isystem $(shell $(CC_COMPAT) -print-file-name=include 2>/dev/null) VDSO_CPPFLAGS += $(LINUXINCLUDE) # Common C and assembly flags diff --git a/arch/csky/kernel/perf_callchain.c b/arch/csky/kernel/perf_callchain.c index ab55e98ee8f62dc3f98f4d6529d7c05775670878..35318a635a5fae7b6de24723f6f43338bab85b67 100644 --- a/arch/csky/kernel/perf_callchain.c +++ b/arch/csky/kernel/perf_callchain.c @@ -86,10 +86,11 @@ static unsigned long user_backtrace(struct perf_callchain_entry_ctx *entry, void perf_callchain_user(struct perf_callchain_entry_ctx *entry, struct pt_regs *regs) { + struct perf_guest_info_callbacks *guest_cbs = perf_get_guest_cbs(); unsigned long fp = 0; /* C-SKY does not support virtualization. */ - if (perf_guest_cbs && perf_guest_cbs->is_in_guest()) + if (guest_cbs && guest_cbs->is_in_guest()) return; fp = regs->regs[4]; @@ -110,10 +111,11 @@ void perf_callchain_user(struct perf_callchain_entry_ctx *entry, void perf_callchain_kernel(struct perf_callchain_entry_ctx *entry, struct pt_regs *regs) { + struct perf_guest_info_callbacks *guest_cbs = perf_get_guest_cbs(); struct stackframe fr; /* C-SKY does not support virtualization. */ - if (perf_guest_cbs && perf_guest_cbs->is_in_guest()) { + if (guest_cbs && guest_cbs->is_in_guest()) { pr_warn("C-SKY does not support perf in guest mode!"); return; } diff --git a/arch/hexagon/lib/io.c b/arch/hexagon/lib/io.c index d35d69d6588c4a182106f4951be34c4826f99211..55f75392857b00717bc4999bd491319743b8a5a2 100644 --- a/arch/hexagon/lib/io.c +++ b/arch/hexagon/lib/io.c @@ -27,6 +27,7 @@ void __raw_readsw(const void __iomem *addr, void *data, int len) *dst++ = *src; } +EXPORT_SYMBOL(__raw_readsw); /* * __raw_writesw - read words a short at a time @@ -47,6 +48,7 @@ void __raw_writesw(void __iomem *addr, const void *data, int len) } +EXPORT_SYMBOL(__raw_writesw); /* Pretty sure len is pre-adjusted for the length of the access already */ void __raw_readsl(const void __iomem *addr, void *data, int len) @@ -62,6 +64,7 @@ void __raw_readsl(const void __iomem *addr, void *data, int len) } +EXPORT_SYMBOL(__raw_readsl); void __raw_writesl(void __iomem *addr, const void *data, int len) { @@ -76,3 +79,4 @@ void __raw_writesl(void __iomem *addr, const void *data, int len) } +EXPORT_SYMBOL(__raw_writesl); diff --git a/arch/ia64/kernel/kprobes.c b/arch/ia64/kernel/kprobes.c index 8a223d0e4918c83ef7892e8130814f831ce40ec9..fa10d51f6217740363be43f252c251e08589f3a1 100644 --- a/arch/ia64/kernel/kprobes.c +++ b/arch/ia64/kernel/kprobes.c @@ -396,10 +396,83 @@ static void kretprobe_trampoline(void) { } +/* + * At this point the target function has been tricked into + * returning into our trampoline. Lookup the associated instance + * and then: + * - call the handler function + * - cleanup by marking the instance as unused + * - long jump back to the original return address + */ int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs) { - regs->cr_iip = __kretprobe_trampoline_handler(regs, - dereference_function_descriptor(kretprobe_trampoline), NULL); + struct kretprobe_instance *ri = NULL; + struct hlist_head *head, empty_rp; + struct hlist_node *tmp; + unsigned long flags, orig_ret_address = 0; + unsigned long trampoline_address = + (unsigned long)dereference_function_descriptor(kretprobe_trampoline); + + INIT_HLIST_HEAD(&empty_rp); + kretprobe_hash_lock(current, &head, &flags); + + /* + * It is possible to have multiple instances associated with a given + * task either because an multiple functions in the call path + * have a return probe installed on them, and/or more than one return + * return probe was registered for a target function. + * + * We can handle this because: + * - instances are always inserted at the head of the list + * - when multiple return probes are registered for the same + * function, the first instance's ret_addr will point to the + * real return address, and all the rest will point to + * kretprobe_trampoline + */ + hlist_for_each_entry_safe(ri, tmp, head, hlist) { + if (ri->task != current) + /* another task is sharing our hash bucket */ + continue; + + orig_ret_address = (unsigned long)ri->ret_addr; + if (orig_ret_address != trampoline_address) + /* + * This is the real return address. Any other + * instances associated with this task are for + * other calls deeper on the call stack + */ + break; + } + + regs->cr_iip = orig_ret_address; + + hlist_for_each_entry_safe(ri, tmp, head, hlist) { + if (ri->task != current) + /* another task is sharing our hash bucket */ + continue; + + if (ri->rp && ri->rp->handler) + ri->rp->handler(ri, regs); + + orig_ret_address = (unsigned long)ri->ret_addr; + recycle_rp_inst(ri, &empty_rp); + + if (orig_ret_address != trampoline_address) + /* + * This is the real return address. Any other + * instances associated with this task are for + * other calls deeper on the call stack + */ + break; + } + kretprobe_assert(ri, orig_ret_address, trampoline_address); + + kretprobe_hash_unlock(current, &flags); + + hlist_for_each_entry_safe(ri, tmp, &empty_rp, hlist) { + hlist_del(&ri->hlist); + kfree(ri); + } /* * By returning a non-zero value, we are telling * kprobe_handler() that we don't want the post_handler @@ -412,7 +485,6 @@ void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri, struct pt_regs *regs) { ri->ret_addr = (kprobe_opcode_t *)regs->b0; - ri->fp = NULL; /* Replace the return addr with trampoline addr */ regs->b0 = (unsigned long)dereference_function_descriptor(kretprobe_trampoline); diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 041d34975ea2c1dc8592386c3fb790cf6c82a042..2811ecc1f3c71304937baaef1ca186110e6051fb 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -294,6 +294,9 @@ config BCM63XX select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_BIG_ENDIAN select SYS_HAS_EARLY_PRINTK + select SYS_HAS_CPU_BMIPS32_3300 + select SYS_HAS_CPU_BMIPS4350 + select SYS_HAS_CPU_BMIPS4380 select SWAP_IO_SPACE select GPIOLIB select HAVE_CLK @@ -3056,7 +3059,7 @@ config STACKTRACE_SUPPORT config PGTABLE_LEVELS int default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48 - default 3 if 64BIT && !PAGE_SIZE_64KB + default 3 if 64BIT && (!PAGE_SIZE_64KB || MIPS_VA_BITS_48) default 2 config MIPS_AUTO_PFN_OFFSET diff --git a/arch/mips/bcm63xx/clk.c b/arch/mips/bcm63xx/clk.c index 164115944a7fd6a76c9f9aad84c04f970156446a..dcfa0ea912fe1633a10d0acbb87fe1cb85612ee4 100644 --- a/arch/mips/bcm63xx/clk.c +++ b/arch/mips/bcm63xx/clk.c @@ -381,6 +381,18 @@ void clk_disable(struct clk *clk) EXPORT_SYMBOL(clk_disable); +struct clk *clk_get_parent(struct clk *clk) +{ + return NULL; +} +EXPORT_SYMBOL(clk_get_parent); + +int clk_set_parent(struct clk *clk, struct clk *parent) +{ + return 0; +} +EXPORT_SYMBOL(clk_set_parent); + unsigned long clk_get_rate(struct clk *clk) { if (!clk) diff --git a/arch/mips/cavium-octeon/octeon-platform.c b/arch/mips/cavium-octeon/octeon-platform.c index 51685f893eab02952af1a246b87a15213c144aff..c214fe4e678bb3bc76e997b69e71bb62be4f45fe 100644 --- a/arch/mips/cavium-octeon/octeon-platform.c +++ b/arch/mips/cavium-octeon/octeon-platform.c @@ -328,6 +328,7 @@ static int __init octeon_ehci_device_init(void) pd->dev.platform_data = &octeon_ehci_pdata; octeon_ehci_hw_start(&pd->dev); + put_device(&pd->dev); return ret; } @@ -391,6 +392,7 @@ static int __init octeon_ohci_device_init(void) pd->dev.platform_data = &octeon_ohci_pdata; octeon_ohci_hw_start(&pd->dev); + put_device(&pd->dev); return ret; } diff --git a/arch/mips/cavium-octeon/octeon-usb.c b/arch/mips/cavium-octeon/octeon-usb.c index 4017398519cf9411b76ba378955f29a5bd6a9009..e092d86e63581c6c6af41ffd5f01f7f7f1fb0da5 100644 --- a/arch/mips/cavium-octeon/octeon-usb.c +++ b/arch/mips/cavium-octeon/octeon-usb.c @@ -544,6 +544,7 @@ static int __init dwc3_octeon_device_init(void) devm_iounmap(&pdev->dev, base); devm_release_mem_region(&pdev->dev, res->start, resource_size(res)); + put_device(&pdev->dev); } } while (node != NULL); diff --git a/arch/mips/generic/yamon-dt.c b/arch/mips/generic/yamon-dt.c index a3aa22c77cadc2507eaff4b067cd34ff62ab1618..a07a5edbcda780f7d22d51833356ee6109da8404 100644 --- a/arch/mips/generic/yamon-dt.c +++ b/arch/mips/generic/yamon-dt.c @@ -75,7 +75,7 @@ static unsigned int __init gen_fdt_mem_array( __init int yamon_dt_append_memory(void *fdt, const struct yamon_mem_region *regions) { - unsigned long phys_memsize, memsize; + unsigned long phys_memsize = 0, memsize; __be32 mem_array[2 * MAX_MEM_ARRAY_ENTRIES]; unsigned int mem_entries; int i, err, mem_off; diff --git a/arch/mips/include/asm/octeon/cvmx-bootinfo.h b/arch/mips/include/asm/octeon/cvmx-bootinfo.h index 62787765575efff0baee2c0b67f1c6fb4afcb51e..ce6e5fddce0bf9a0270fd2c0ec97f26923a246c9 100644 --- a/arch/mips/include/asm/octeon/cvmx-bootinfo.h +++ b/arch/mips/include/asm/octeon/cvmx-bootinfo.h @@ -315,7 +315,7 @@ enum cvmx_chip_types_enum { /* Functions to return string based on type */ #define ENUM_BRD_TYPE_CASE(x) \ - case x: return(#x + 16); /* Skip CVMX_BOARD_TYPE_ */ + case x: return (&#x[16]); /* Skip CVMX_BOARD_TYPE_ */ static inline const char *cvmx_board_type_to_string(enum cvmx_board_types_enum type) { @@ -404,7 +404,7 @@ static inline const char *cvmx_board_type_to_string(enum } #define ENUM_CHIP_TYPE_CASE(x) \ - case x: return(#x + 15); /* Skip CVMX_CHIP_TYPE */ + case x: return (&#x[15]); /* Skip CVMX_CHIP_TYPE */ static inline const char *cvmx_chip_type_to_string(enum cvmx_chip_types_enum type) { diff --git a/arch/mips/lantiq/clk.c b/arch/mips/lantiq/clk.c index dd819e31fcbbfa3f51c6e29867082955e0bfe8af..7a623684d9b5ed415e167af74e0b9af22ea5d74c 100644 --- a/arch/mips/lantiq/clk.c +++ b/arch/mips/lantiq/clk.c @@ -158,6 +158,18 @@ void clk_deactivate(struct clk *clk) } EXPORT_SYMBOL(clk_deactivate); +struct clk *clk_get_parent(struct clk *clk) +{ + return NULL; +} +EXPORT_SYMBOL(clk_get_parent); + +int clk_set_parent(struct clk *clk, struct clk *parent) +{ + return 0; +} +EXPORT_SYMBOL(clk_set_parent); + static inline u32 get_counter_resolution(void) { u32 res; diff --git a/arch/mips/sni/time.c b/arch/mips/sni/time.c index dbace1f3e1a9730d956f91aad1c3beb80543536f..745ceb945fc507ab3e540b36cb585e5e79fd396d 100644 --- a/arch/mips/sni/time.c +++ b/arch/mips/sni/time.c @@ -18,14 +18,14 @@ static int a20r_set_periodic(struct clock_event_device *evt) { *(volatile u8 *)(A20R_PT_CLOCK_BASE + 12) = 0x34; wmb(); - *(volatile u8 *)(A20R_PT_CLOCK_BASE + 0) = SNI_COUNTER0_DIV; + *(volatile u8 *)(A20R_PT_CLOCK_BASE + 0) = SNI_COUNTER0_DIV & 0xff; wmb(); *(volatile u8 *)(A20R_PT_CLOCK_BASE + 0) = SNI_COUNTER0_DIV >> 8; wmb(); *(volatile u8 *)(A20R_PT_CLOCK_BASE + 12) = 0xb4; wmb(); - *(volatile u8 *)(A20R_PT_CLOCK_BASE + 8) = SNI_COUNTER2_DIV; + *(volatile u8 *)(A20R_PT_CLOCK_BASE + 8) = SNI_COUNTER2_DIV & 0xff; wmb(); *(volatile u8 *)(A20R_PT_CLOCK_BASE + 8) = SNI_COUNTER2_DIV >> 8; wmb(); diff --git a/arch/nds32/kernel/perf_event_cpu.c b/arch/nds32/kernel/perf_event_cpu.c index 334c2a6cec23ddc1df7458737c15a4673159eef7..8a4f9babb164661355381333233fba77178a4884 100644 --- a/arch/nds32/kernel/perf_event_cpu.c +++ b/arch/nds32/kernel/perf_event_cpu.c @@ -1363,6 +1363,7 @@ void perf_callchain_user(struct perf_callchain_entry_ctx *entry, struct pt_regs *regs) { + struct perf_guest_info_callbacks *guest_cbs = perf_get_guest_cbs(); unsigned long fp = 0; unsigned long gp = 0; unsigned long lp = 0; @@ -1371,7 +1372,7 @@ perf_callchain_user(struct perf_callchain_entry_ctx *entry, leaf_fp = 0; - if (perf_guest_cbs && perf_guest_cbs->is_in_guest()) { + if (guest_cbs && guest_cbs->is_in_guest()) { /* We don't support guest os callchain now */ return; } @@ -1479,9 +1480,10 @@ void perf_callchain_kernel(struct perf_callchain_entry_ctx *entry, struct pt_regs *regs) { + struct perf_guest_info_callbacks *guest_cbs = perf_get_guest_cbs(); struct stackframe fr; - if (perf_guest_cbs && perf_guest_cbs->is_in_guest()) { + if (guest_cbs && guest_cbs->is_in_guest()) { /* We don't support guest os callchain now */ return; } @@ -1493,20 +1495,23 @@ perf_callchain_kernel(struct perf_callchain_entry_ctx *entry, unsigned long perf_instruction_pointer(struct pt_regs *regs) { + struct perf_guest_info_callbacks *guest_cbs = perf_get_guest_cbs(); + /* However, NDS32 does not support virtualization */ - if (perf_guest_cbs && perf_guest_cbs->is_in_guest()) - return perf_guest_cbs->get_guest_ip(); + if (guest_cbs && guest_cbs->is_in_guest()) + return guest_cbs->get_guest_ip(); return instruction_pointer(regs); } unsigned long perf_misc_flags(struct pt_regs *regs) { + struct perf_guest_info_callbacks *guest_cbs = perf_get_guest_cbs(); int misc = 0; /* However, NDS32 does not support virtualization */ - if (perf_guest_cbs && perf_guest_cbs->is_in_guest()) { - if (perf_guest_cbs->is_user_mode()) + if (guest_cbs && guest_cbs->is_in_guest()) { + if (guest_cbs->is_user_mode()) misc |= PERF_RECORD_MISC_GUEST_USER; else misc |= PERF_RECORD_MISC_GUEST_KERNEL; diff --git a/arch/parisc/Makefile b/arch/parisc/Makefile index 53f974817affb8f56be19fc9764c47f0aab01c26..caa90ae0b4acccf7e9cc580569019f61854e189a 100644 --- a/arch/parisc/Makefile +++ b/arch/parisc/Makefile @@ -17,7 +17,12 @@ # Mike Shaver, Helge Deller and Martin K. Petersen # +ifdef CONFIG_PARISC_SELF_EXTRACT +boot := arch/parisc/boot +KBUILD_IMAGE := $(boot)/bzImage +else KBUILD_IMAGE := vmlinuz +endif NM = sh $(srctree)/arch/parisc/nm CHECKFLAGS += -D__hppa__=1 diff --git a/arch/parisc/install.sh b/arch/parisc/install.sh index 6f68784fea25f9141b195db9ec7b532f3f01da9c..a8c49815f58c82f43f9f3993e48e3823f657aa91 100644 --- a/arch/parisc/install.sh +++ b/arch/parisc/install.sh @@ -39,6 +39,7 @@ verify "$3" if [ -n "${INSTALLKERNEL}" ]; then if [ -x ~/bin/${INSTALLKERNEL} ]; then exec ~/bin/${INSTALLKERNEL} "$@"; fi if [ -x /sbin/${INSTALLKERNEL} ]; then exec /sbin/${INSTALLKERNEL} "$@"; fi + if [ -x /usr/sbin/${INSTALLKERNEL} ]; then exec /usr/sbin/${INSTALLKERNEL} "$@"; fi fi # Default install diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S index a37814cb66c76d8ba49f16ff5134aad31b763202..8b616aada6492b21bc9c1ba66a3ada62911c5098 100644 --- a/arch/parisc/kernel/syscall.S +++ b/arch/parisc/kernel/syscall.S @@ -478,7 +478,7 @@ lws_start: extrd,u %r1,PSW_W_BIT,1,%r1 /* sp must be aligned on 4, so deposit the W bit setting into * the bottom of sp temporarily */ - or,ev %r1,%r30,%r30 + or,od %r1,%r30,%r30 /* Clip LWS number to a 32-bit value for 32-bit processes */ depdi 0, 31, 32, %r20 diff --git a/arch/parisc/kernel/time.c b/arch/parisc/kernel/time.c index 04508158815c1342cf40ddf9db41e5b9868d5273..9c1ae9d242ca9bbdf9fa2a927768f345cc3d237f 100644 --- a/arch/parisc/kernel/time.c +++ b/arch/parisc/kernel/time.c @@ -245,27 +245,13 @@ void __init time_init(void) static int __init init_cr16_clocksource(void) { /* - * The cr16 interval timers are not syncronized across CPUs on - * different sockets, so mark them unstable and lower rating on - * multi-socket SMP systems. + * The cr16 interval timers are not syncronized across CPUs, even if + * they share the same socket. */ if (num_online_cpus() > 1 && !running_on_qemu) { - int cpu; - unsigned long cpu0_loc; - cpu0_loc = per_cpu(cpu_data, 0).cpu_loc; - - for_each_online_cpu(cpu) { - if (cpu == 0) - continue; - if ((cpu0_loc != 0) && - (cpu0_loc == per_cpu(cpu_data, cpu).cpu_loc)) - continue; - - clocksource_cr16.name = "cr16_unstable"; - clocksource_cr16.flags = CLOCK_SOURCE_UNSTABLE; - clocksource_cr16.rating = 0; - break; - } + clocksource_cr16.name = "cr16_unstable"; + clocksource_cr16.flags = CLOCK_SOURCE_UNSTABLE; + clocksource_cr16.rating = 0; } /* XXX: We may want to mark sched_clock stable here if cr16 clocks are diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c index 82fc011894889856e52423c1e37fb813d1fd6891..2a1060d747a5dea3e483852bfca5c66051be3aff 100644 --- a/arch/parisc/kernel/traps.c +++ b/arch/parisc/kernel/traps.c @@ -783,7 +783,7 @@ void notrace handle_interruption(int code, struct pt_regs *regs) * unless pagefault_disable() was called before. */ - if (fault_space == 0 && !faulthandler_disabled()) + if (faulthandler_disabled() || fault_space == 0) { /* Clean up and return if in exception table. */ if (fixup_exception(regs)) diff --git a/arch/parisc/kernel/vmlinux.lds.S b/arch/parisc/kernel/vmlinux.lds.S index 164483b37d8540b0fca96bcf6ebec055238e3b37..99cd24f2ea01bb35013c3c0f00ce5b5a481d96cd 100644 --- a/arch/parisc/kernel/vmlinux.lds.S +++ b/arch/parisc/kernel/vmlinux.lds.S @@ -56,8 +56,6 @@ SECTIONS { . = KERNEL_BINARY_TEXT_START; - _stext = .; /* start of kernel text, includes init code & data */ - __init_begin = .; HEAD_TEXT_SECTION MLONGCALL_DISCARD(INIT_TEXT_SECTION(8)) @@ -81,6 +79,7 @@ SECTIONS /* freed after init ends here */ _text = .; /* Text and read-only data */ + _stext = .; MLONGCALL_KEEP(INIT_TEXT_SECTION(8)) .text ALIGN(PAGE_SIZE) : { TEXT_TEXT diff --git a/arch/powerpc/boot/dts/charon.dts b/arch/powerpc/boot/dts/charon.dts index 408b486b13dffc7098e387be2bc87fc47a76a775..cd589539f313f01a71ca812ba46f703216f94ad2 100644 --- a/arch/powerpc/boot/dts/charon.dts +++ b/arch/powerpc/boot/dts/charon.dts @@ -35,7 +35,7 @@ }; }; - memory { + memory@0 { device_type = "memory"; reg = <0x00000000 0x08000000>; // 128MB }; diff --git a/arch/powerpc/boot/dts/digsy_mtc.dts b/arch/powerpc/boot/dts/digsy_mtc.dts index 0e5e9d3acf79fd684d4b87f795550fc36312120d..19a14e62e65f4ec3606a6a27752e9e6e448a90a8 100644 --- a/arch/powerpc/boot/dts/digsy_mtc.dts +++ b/arch/powerpc/boot/dts/digsy_mtc.dts @@ -16,7 +16,7 @@ model = "intercontrol,digsy-mtc"; compatible = "intercontrol,digsy-mtc"; - memory { + memory@0 { reg = <0x00000000 0x02000000>; // 32MB }; diff --git a/arch/powerpc/boot/dts/fsl/qoriq-fman3l-0.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-fman3l-0.dtsi index c90702b04a530f798886e71be187cf36574d94b1..48e5cd61599c6ba0409f106fda093bf19f40b5a9 100644 --- a/arch/powerpc/boot/dts/fsl/qoriq-fman3l-0.dtsi +++ b/arch/powerpc/boot/dts/fsl/qoriq-fman3l-0.dtsi @@ -79,6 +79,7 @@ fman0: fman@400000 { #size-cells = <0>; compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio"; reg = <0xfc000 0x1000>; + fsl,erratum-a009885; }; xmdio0: mdio@fd000 { @@ -86,6 +87,7 @@ fman0: fman@400000 { #size-cells = <0>; compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio"; reg = <0xfd000 0x1000>; + fsl,erratum-a009885; }; }; diff --git a/arch/powerpc/boot/dts/lite5200.dts b/arch/powerpc/boot/dts/lite5200.dts index cb2782dd6132c1ffb94825c6dc679aae5063cda4..e7b194775d783b69122a6615f27f46ec4d6fd9fe 100644 --- a/arch/powerpc/boot/dts/lite5200.dts +++ b/arch/powerpc/boot/dts/lite5200.dts @@ -32,7 +32,7 @@ }; }; - memory { + memory@0 { device_type = "memory"; reg = <0x00000000 0x04000000>; // 64MB }; diff --git a/arch/powerpc/boot/dts/lite5200b.dts b/arch/powerpc/boot/dts/lite5200b.dts index 2b86c81f9048564becfc47120351df7c46b6a436..547cbe726ff23f751e59598cfc01b776e2664040 100644 --- a/arch/powerpc/boot/dts/lite5200b.dts +++ b/arch/powerpc/boot/dts/lite5200b.dts @@ -31,7 +31,7 @@ led4 { gpios = <&gpio_simple 2 1>; }; }; - memory { + memory@0 { reg = <0x00000000 0x10000000>; // 256MB }; diff --git a/arch/powerpc/boot/dts/media5200.dts b/arch/powerpc/boot/dts/media5200.dts index 61cae9dcddef4f3c814b32ed3197dd65dd0141eb..f3188018faceb16751b63fdbe89e75276dc67f00 100644 --- a/arch/powerpc/boot/dts/media5200.dts +++ b/arch/powerpc/boot/dts/media5200.dts @@ -32,7 +32,7 @@ }; }; - memory { + memory@0 { reg = <0x00000000 0x08000000>; // 128MB RAM }; diff --git a/arch/powerpc/boot/dts/mpc5200b.dtsi b/arch/powerpc/boot/dts/mpc5200b.dtsi index 648fe31795f494093df0fe570b4ea0215351c3a1..8b796f3b11da7e2658a6348ca66cfeaae7119b53 100644 --- a/arch/powerpc/boot/dts/mpc5200b.dtsi +++ b/arch/powerpc/boot/dts/mpc5200b.dtsi @@ -33,7 +33,7 @@ }; }; - memory: memory { + memory: memory@0 { device_type = "memory"; reg = <0x00000000 0x04000000>; // 64MB }; diff --git a/arch/powerpc/boot/dts/o2d.dts b/arch/powerpc/boot/dts/o2d.dts index 24a46f65e529933e75af46186e4f48de7cb16012..e0a8d3034417fff58258912633143b93d7fd0532 100644 --- a/arch/powerpc/boot/dts/o2d.dts +++ b/arch/powerpc/boot/dts/o2d.dts @@ -12,7 +12,7 @@ model = "ifm,o2d"; compatible = "ifm,o2d"; - memory { + memory@0 { reg = <0x00000000 0x08000000>; // 128MB }; diff --git a/arch/powerpc/boot/dts/o2d.dtsi b/arch/powerpc/boot/dts/o2d.dtsi index 6661955a2be47899324db0f5edf22d9086ca3dcb..b55a9e5bd828c1178c551689fc75e50eb8d20cfd 100644 --- a/arch/powerpc/boot/dts/o2d.dtsi +++ b/arch/powerpc/boot/dts/o2d.dtsi @@ -19,7 +19,7 @@ model = "ifm,o2d"; compatible = "ifm,o2d"; - memory { + memory@0 { reg = <0x00000000 0x04000000>; // 64MB }; diff --git a/arch/powerpc/boot/dts/o2dnt2.dts b/arch/powerpc/boot/dts/o2dnt2.dts index eeba7f5507d5df20d6e4fcec1bc0d4d56a4acd95..c2eedbd1f5fcb9f1244f9fe6d591b9e0462352e0 100644 --- a/arch/powerpc/boot/dts/o2dnt2.dts +++ b/arch/powerpc/boot/dts/o2dnt2.dts @@ -12,7 +12,7 @@ model = "ifm,o2dnt2"; compatible = "ifm,o2d"; - memory { + memory@0 { reg = <0x00000000 0x08000000>; // 128MB }; diff --git a/arch/powerpc/boot/dts/o3dnt.dts b/arch/powerpc/boot/dts/o3dnt.dts index fd00396b0593eb30098aa5f149645263961ff877..e4c1bdd412716e442fc8ba9c6650c1051495bdd4 100644 --- a/arch/powerpc/boot/dts/o3dnt.dts +++ b/arch/powerpc/boot/dts/o3dnt.dts @@ -12,7 +12,7 @@ model = "ifm,o3dnt"; compatible = "ifm,o2d"; - memory { + memory@0 { reg = <0x00000000 0x04000000>; // 64MB }; diff --git a/arch/powerpc/boot/dts/pcm032.dts b/arch/powerpc/boot/dts/pcm032.dts index c259c6b3ac5ab4819d679e6c83f5c460141d7504..5674f978b9830e9d25310852da2119e95f110f79 100644 --- a/arch/powerpc/boot/dts/pcm032.dts +++ b/arch/powerpc/boot/dts/pcm032.dts @@ -22,7 +22,7 @@ model = "phytec,pcm032"; compatible = "phytec,pcm032"; - memory { + memory@0 { reg = <0x00000000 0x08000000>; // 128MB }; diff --git a/arch/powerpc/boot/dts/tqm5200.dts b/arch/powerpc/boot/dts/tqm5200.dts index 9ed0bc78967e191afab7c417ddf65a573e2f8ad1..5bb25a9e40a01f6a5615986c03a8fe680ee24a14 100644 --- a/arch/powerpc/boot/dts/tqm5200.dts +++ b/arch/powerpc/boot/dts/tqm5200.dts @@ -32,7 +32,7 @@ }; }; - memory { + memory@0 { device_type = "memory"; reg = <0x00000000 0x04000000>; // 64MB }; diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile index afbd47b0a75ccc82ceb444f8297673a0dc40291c..5819a577d267af97c226b0bde90fa4d226d2f053 100644 --- a/arch/powerpc/kernel/Makefile +++ b/arch/powerpc/kernel/Makefile @@ -13,6 +13,7 @@ CFLAGS_prom_init.o += -fPIC CFLAGS_btext.o += -fPIC endif +CFLAGS_early_32.o += $(DISABLE_LATENT_ENTROPY_PLUGIN) CFLAGS_cputable.o += $(DISABLE_LATENT_ENTROPY_PLUGIN) CFLAGS_prom_init.o += $(DISABLE_LATENT_ENTROPY_PLUGIN) CFLAGS_btext.o += $(DISABLE_LATENT_ENTROPY_PLUGIN) diff --git a/arch/powerpc/kernel/btext.c b/arch/powerpc/kernel/btext.c index 6dfceaa820e42f99e682c4860fdbf06c5fb69cc1..b0e0b3cd91eecbf74f84b69c080ba59ae52c083f 100644 --- a/arch/powerpc/kernel/btext.c +++ b/arch/powerpc/kernel/btext.c @@ -250,8 +250,10 @@ int __init btext_find_display(int allow_nonstdout) rc = btext_initialize(np); printk("result: %d\n", rc); } - if (rc == 0) + if (rc == 0) { + of_node_put(np); break; + } } return rc; } diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index 1b65fb7c0bdaa74647adf49233c61185f636d729..7f4e2c031a9abb2db88039b5ebe57c30fa5d400f 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -2919,7 +2919,7 @@ static void __init fixup_device_tree_efika_add_phy(void) /* Check if the phy-handle property exists - bail if it does */ rv = prom_getprop(node, "phy-handle", prop, sizeof(prop)); - if (!rv) + if (rv <= 0) return; /* diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c index c06cac543f188dbef9077e5014aba4fd84f172f7..4de63ec2e1551147b91bf674b0aa0cd0a7130a42 100644 --- a/arch/powerpc/kernel/smp.c +++ b/arch/powerpc/kernel/smp.c @@ -582,6 +582,36 @@ void crash_send_ipi(void (*crash_ipi_callback)(struct pt_regs *)) } #endif +#ifdef CONFIG_NMI_IPI +static void crash_stop_this_cpu(struct pt_regs *regs) +#else +static void crash_stop_this_cpu(void *dummy) +#endif +{ + /* + * Just busy wait here and avoid marking CPU as offline to ensure + * register data is captured appropriately. + */ + while (1) + cpu_relax(); +} + +void crash_smp_send_stop(void) +{ + static bool stopped = false; + + if (stopped) + return; + + stopped = true; + +#ifdef CONFIG_NMI_IPI + smp_send_nmi_ipi(NMI_IPI_ALL_OTHERS, crash_stop_this_cpu, 1000000); +#else + smp_call_function(crash_stop_this_cpu, NULL, 0); +#endif /* CONFIG_NMI_IPI */ +} + #ifdef CONFIG_NMI_IPI static void nmi_stop_this_cpu(struct pt_regs *regs) { @@ -1296,10 +1326,12 @@ void start_secondary(void *unused) BUG(); } +#ifdef CONFIG_PROFILING int setup_profiling_timer(unsigned int multiplier) { return 0; } +#endif #ifdef CONFIG_SCHED_SMT /* cpumask of CPUs with asymetric SMT dependancy */ diff --git a/arch/powerpc/kernel/watchdog.c b/arch/powerpc/kernel/watchdog.c index af3c15a1d41eb159670be90218c12b9966afa7f1..75b2a6c4db5a5001313ddb2e0764a42b7656ee9c 100644 --- a/arch/powerpc/kernel/watchdog.c +++ b/arch/powerpc/kernel/watchdog.c @@ -132,6 +132,10 @@ static void set_cpumask_stuck(const struct cpumask *cpumask, u64 tb) { cpumask_or(&wd_smp_cpus_stuck, &wd_smp_cpus_stuck, cpumask); cpumask_andnot(&wd_smp_cpus_pending, &wd_smp_cpus_pending, cpumask); + /* + * See wd_smp_clear_cpu_pending() + */ + smp_mb(); if (cpumask_empty(&wd_smp_cpus_pending)) { wd_smp_last_reset_tb = tb; cpumask_andnot(&wd_smp_cpus_pending, @@ -217,13 +221,44 @@ static void wd_smp_clear_cpu_pending(int cpu, u64 tb) cpumask_clear_cpu(cpu, &wd_smp_cpus_stuck); wd_smp_unlock(&flags); + } else { + /* + * The last CPU to clear pending should have reset the + * watchdog so we generally should not find it empty + * here if our CPU was clear. However it could happen + * due to a rare race with another CPU taking the + * last CPU out of the mask concurrently. + * + * We can't add a warning for it. But just in case + * there is a problem with the watchdog that is causing + * the mask to not be reset, try to kick it along here. + */ + if (unlikely(cpumask_empty(&wd_smp_cpus_pending))) + goto none_pending; } return; } + cpumask_clear_cpu(cpu, &wd_smp_cpus_pending); + + /* + * Order the store to clear pending with the load(s) to check all + * words in the pending mask to check they are all empty. This orders + * with the same barrier on another CPU. This prevents two CPUs + * clearing the last 2 pending bits, but neither seeing the other's + * store when checking if the mask is empty, and missing an empty + * mask, which ends with a false positive. + */ + smp_mb(); if (cpumask_empty(&wd_smp_cpus_pending)) { unsigned long flags; +none_pending: + /* + * Double check under lock because more than one CPU could see + * a clear mask with the lockless check after clearing their + * pending bits. + */ wd_smp_lock(&flags); if (cpumask_empty(&wd_smp_cpus_pending)) { wd_smp_last_reset_tb = tb; @@ -314,8 +349,12 @@ void arch_touch_nmi_watchdog(void) { unsigned long ticks = tb_ticks_per_usec * wd_timer_period_ms * 1000; int cpu = smp_processor_id(); - u64 tb = get_tb(); + u64 tb; + if (!cpumask_test_cpu(cpu, &watchdog_cpumask)) + return; + + tb = get_tb(); if (tb - per_cpu(wd_timer_tb, cpu) >= ticks) { per_cpu(wd_timer_tb, cpu) = tb; wd_smp_clear_cpu_pending(cpu, tb); diff --git a/arch/powerpc/kvm/book3s_hv_builtin.c b/arch/powerpc/kvm/book3s_hv_builtin.c index 4a91b543a8540357eec7a1c6760a43f1e17df362..6d34b69729854b77f8b51e82a71f0bc7460374e6 100644 --- a/arch/powerpc/kvm/book3s_hv_builtin.c +++ b/arch/powerpc/kvm/book3s_hv_builtin.c @@ -821,6 +821,7 @@ static void flush_guest_tlb(struct kvm *kvm) "r" (0) : "memory"); } asm volatile("ptesync": : :"memory"); + // POWER9 congruence-class TLBIEL leaves ERAT. Flush it now. asm volatile(PPC_RADIX_INVALIDATE_ERAT_GUEST : : :"memory"); } else { for (set = 0; set < kvm->arch.tlb_sets; ++set) { @@ -831,7 +832,9 @@ static void flush_guest_tlb(struct kvm *kvm) rb += PPC_BIT(51); /* increment set number */ } asm volatile("ptesync": : :"memory"); - asm volatile(PPC_ISA_3_0_INVALIDATE_ERAT : : :"memory"); + // POWER9 congruence-class TLBIEL leaves ERAT. Flush it now. + if (cpu_has_feature(CPU_FTR_ARCH_300)) + asm volatile(PPC_ISA_3_0_INVALIDATE_ERAT : : :"memory"); } } diff --git a/arch/powerpc/kvm/book3s_hv_nested.c b/arch/powerpc/kvm/book3s_hv_nested.c index 9906d203d9d399ae0ddee8881647419d7de59046..613d24b707abea760b1c60495a08d5e10738d0b4 100644 --- a/arch/powerpc/kvm/book3s_hv_nested.c +++ b/arch/powerpc/kvm/book3s_hv_nested.c @@ -510,7 +510,7 @@ long kvmhv_copy_tofrom_guest_nested(struct kvm_vcpu *vcpu) if (eaddr & (0xFFFUL << 52)) return H_PARAMETER; - buf = kzalloc(n, GFP_KERNEL); + buf = kzalloc(n, GFP_KERNEL | __GFP_NOWARN); if (!buf) return H_NO_MEM; diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S index f9c7326672b95d02bf311c3b01ac3fa45a544f8a..c9c6619564ffaf69bb6109fe5af938c8ba068019 100644 --- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S +++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S @@ -2535,7 +2535,7 @@ hcall_real_table: .globl hcall_real_table_end hcall_real_table_end: -_GLOBAL(kvmppc_h_set_xdabr) +_GLOBAL_TOC(kvmppc_h_set_xdabr) EXPORT_SYMBOL_GPL(kvmppc_h_set_xdabr) andi. r0, r5, DABRX_USER | DABRX_KERNEL beq 6f @@ -2545,7 +2545,7 @@ EXPORT_SYMBOL_GPL(kvmppc_h_set_xdabr) 6: li r3, H_PARAMETER blr -_GLOBAL(kvmppc_h_set_dabr) +_GLOBAL_TOC(kvmppc_h_set_dabr) EXPORT_SYMBOL_GPL(kvmppc_h_set_dabr) li r5, DABRX_USER | DABRX_KERNEL 3: diff --git a/arch/powerpc/lib/Makefile b/arch/powerpc/lib/Makefile index b8de3be10eb473bc118c178cfd349e1ca7a6296f..8656b8d2ce55531007701a117309b43f1115be9d 100644 --- a/arch/powerpc/lib/Makefile +++ b/arch/powerpc/lib/Makefile @@ -16,6 +16,9 @@ CFLAGS_code-patching.o += -DDISABLE_BRANCH_PROFILING CFLAGS_feature-fixups.o += -DDISABLE_BRANCH_PROFILING endif +CFLAGS_code-patching.o += $(DISABLE_LATENT_ENTROPY_PLUGIN) +CFLAGS_feature-fixups.o += $(DISABLE_LATENT_ENTROPY_PLUGIN) + obj-y += alloc.o code-patching.o feature-fixups.o pmem.o ifndef CONFIG_KASAN diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c index ca9ffc1c8685d17b9e6b50a37e882c7005313fb7..a6a60e2b8f453772d432175c31a382ca9d25124d 100644 --- a/arch/powerpc/platforms/cell/iommu.c +++ b/arch/powerpc/platforms/cell/iommu.c @@ -976,6 +976,7 @@ static int __init cell_iommu_fixed_mapping_init(void) if (hbase < dbase || (hend > (dbase + dsize))) { pr_debug("iommu: hash window doesn't fit in" "real DMA window\n"); + of_node_put(np); return -1; } } diff --git a/arch/powerpc/platforms/cell/pervasive.c b/arch/powerpc/platforms/cell/pervasive.c index 6af3a6e600a701e84ef7d0d3a74a45050862748d..80c9c4d715505dd7500f9206f8bc4a53f779824f 100644 --- a/arch/powerpc/platforms/cell/pervasive.c +++ b/arch/powerpc/platforms/cell/pervasive.c @@ -77,6 +77,7 @@ static int cbe_system_reset_exception(struct pt_regs *regs) switch (regs->msr & SRR1_WAKEMASK) { case SRR1_WAKEDEC: set_dec(1); + break; case SRR1_WAKEEE: /* * Handle these when interrupts get re-enabled and we take diff --git a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c index a1b7f79a8a152eae5e9ae783f9c3d69654719012..de10c13de15c6655e4ca39e433874c789d5704fa 100644 --- a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c +++ b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c @@ -215,6 +215,7 @@ void hlwd_pic_probe(void) irq_set_chained_handler(cascade_virq, hlwd_pic_irq_cascade); hlwd_irq_host = host; + of_node_put(np); break; } } diff --git a/arch/powerpc/platforms/powermac/low_i2c.c b/arch/powerpc/platforms/powermac/low_i2c.c index bf4be4b53b44de55b34e7a6f51785610aae9c744..210435a43bf959ede3ac5c4635fe1c5c0781d3cd 100644 --- a/arch/powerpc/platforms/powermac/low_i2c.c +++ b/arch/powerpc/platforms/powermac/low_i2c.c @@ -582,6 +582,7 @@ static void __init kw_i2c_add(struct pmac_i2c_host_kw *host, bus->close = kw_i2c_close; bus->xfer = kw_i2c_xfer; mutex_init(&bus->mutex); + lockdep_register_key(&bus->lock_key); lockdep_set_class(&bus->mutex, &bus->lock_key); if (controller == busnode) bus->flags = pmac_i2c_multibus; @@ -811,6 +812,7 @@ static void __init pmu_i2c_probe(void) bus->hostdata = bus + 1; bus->xfer = pmu_i2c_xfer; mutex_init(&bus->mutex); + lockdep_register_key(&bus->lock_key); lockdep_set_class(&bus->mutex, &bus->lock_key); bus->flags = pmac_i2c_multibus; list_add(&bus->link, &pmac_i2c_busses); @@ -934,6 +936,7 @@ static void __init smu_i2c_probe(void) bus->hostdata = bus + 1; bus->xfer = smu_i2c_xfer; mutex_init(&bus->mutex); + lockdep_register_key(&bus->lock_key); lockdep_set_class(&bus->mutex, &bus->lock_key); bus->flags = 0; list_add(&bus->link, &pmac_i2c_busses); diff --git a/arch/powerpc/platforms/powernv/opal-lpc.c b/arch/powerpc/platforms/powernv/opal-lpc.c index 608569082ba0bb12e555c0b4b2ad4c392bcdd6ba..123a0e799b7bdbbd3dc507e3a5016f5728eab47a 100644 --- a/arch/powerpc/platforms/powernv/opal-lpc.c +++ b/arch/powerpc/platforms/powernv/opal-lpc.c @@ -396,6 +396,7 @@ void __init opal_lpc_init(void) if (!of_get_property(np, "primary", NULL)) continue; opal_lpc_chip_id = of_get_ibm_chip_id(np); + of_node_put(np); break; } if (opal_lpc_chip_id < 0) diff --git a/arch/powerpc/sysdev/dcr-low.S b/arch/powerpc/sysdev/dcr-low.S index efeeb1b885a17e4ac6c5f8e7c2394c59460179aa..329b9c4ae5429534e85e4435fbe0cc6553c88794 100644 --- a/arch/powerpc/sysdev/dcr-low.S +++ b/arch/powerpc/sysdev/dcr-low.S @@ -11,7 +11,7 @@ #include #define DCR_ACCESS_PROLOG(table) \ - cmpli cr0,r3,1024; \ + cmplwi cr0,r3,1024; \ rlwinm r3,r3,4,18,27; \ lis r5,table@h; \ ori r5,r5,table@l; \ diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile index 1cbe0ad78b0f3fdf006ca604ed782db1a1f63331..7b579a003e30abfa24ac24c15a3ca190e056d65c 100644 --- a/arch/riscv/Makefile +++ b/arch/riscv/Makefile @@ -48,6 +48,12 @@ riscv-march-$(CONFIG_ARCH_RV32I) := rv32ima riscv-march-$(CONFIG_ARCH_RV64I) := rv64ima riscv-march-$(CONFIG_FPU) := $(riscv-march-y)fd riscv-march-$(CONFIG_RISCV_ISA_C) := $(riscv-march-y)c + +# Newer binutils versions default to ISA spec version 20191213 which moves some +# instructions from the I extension to the Zicsr and Zifencei extensions. +toolchain-need-zicsr-zifencei := $(call cc-option-yn, -march=$(riscv-march-y)_zicsr_zifencei) +riscv-march-$(toolchain-need-zicsr-zifencei) := $(riscv-march-y)_zicsr_zifencei + KBUILD_CFLAGS += -march=$(subst fd,,$(riscv-march-y)) KBUILD_AFLAGS += -march=$(riscv-march-y) diff --git a/arch/riscv/kernel/perf_callchain.c b/arch/riscv/kernel/perf_callchain.c index 8d2804f05cf93b3bc03bf199f9d91e51d047e394..22a93009362d7f3044c17d6718c30ffbd3a8dbed 100644 --- a/arch/riscv/kernel/perf_callchain.c +++ b/arch/riscv/kernel/perf_callchain.c @@ -60,10 +60,11 @@ static unsigned long user_backtrace(struct perf_callchain_entry_ctx *entry, void perf_callchain_user(struct perf_callchain_entry_ctx *entry, struct pt_regs *regs) { + struct perf_guest_info_callbacks *guest_cbs = perf_get_guest_cbs(); unsigned long fp = 0; /* RISC-V does not support perf in guest mode. */ - if (perf_guest_cbs && perf_guest_cbs->is_in_guest()) + if (guest_cbs && guest_cbs->is_in_guest()) return; fp = regs->s0; @@ -84,8 +85,10 @@ void notrace walk_stackframe(struct task_struct *task, void perf_callchain_kernel(struct perf_callchain_entry_ctx *entry, struct pt_regs *regs) { + struct perf_guest_info_callbacks *guest_cbs = perf_get_guest_cbs(); + /* RISC-V does not support perf in guest mode. */ - if (perf_guest_cbs && perf_guest_cbs->is_in_guest()) { + if (guest_cbs && guest_cbs->is_in_guest()) { pr_warn("RISC-V does not support perf in guest mode!"); return; } diff --git a/arch/s390/hypfs/hypfs_vm.c b/arch/s390/hypfs/hypfs_vm.c index e1fcc03159ef25c42e90fa55e072f9914602ee5c..a927adccb4ba7f81b08cb6f24e7ec3c48a6aa60d 100644 --- a/arch/s390/hypfs/hypfs_vm.c +++ b/arch/s390/hypfs/hypfs_vm.c @@ -20,6 +20,7 @@ static char local_guest[] = " "; static char all_guests[] = "* "; +static char *all_groups = all_guests; static char *guest_query; struct diag2fc_data { @@ -62,10 +63,11 @@ static int diag2fc(int size, char* query, void *addr) memcpy(parm_list.userid, query, NAME_LEN); ASCEBC(parm_list.userid, NAME_LEN); - parm_list.addr = (unsigned long) addr ; + memcpy(parm_list.aci_grp, all_groups, NAME_LEN); + ASCEBC(parm_list.aci_grp, NAME_LEN); + parm_list.addr = (unsigned long)addr; parm_list.size = size; parm_list.fmt = 0x02; - memset(parm_list.aci_grp, 0x40, NAME_LEN); rc = -1; diag_stat_inc(DIAG_STAT_X2FC); diff --git a/arch/s390/include/asm/kexec.h b/arch/s390/include/asm/kexec.h index ea398a05f6432334154161606771c5b3d52e11a5..7f3c9ac34bd8d11d8bc9b3cf22a58a634f9c90ae 100644 --- a/arch/s390/include/asm/kexec.h +++ b/arch/s390/include/asm/kexec.h @@ -74,6 +74,12 @@ void *kexec_file_add_components(struct kimage *image, int arch_kexec_do_relocs(int r_type, void *loc, unsigned long val, unsigned long addr); +#define ARCH_HAS_KIMAGE_ARCH + +struct kimage_arch { + void *ipl_buf; +}; + extern const struct kexec_file_ops s390_kexec_image_ops; extern const struct kexec_file_ops s390_kexec_elf_ops; diff --git a/arch/s390/include/asm/pci_io.h b/arch/s390/include/asm/pci_io.h index e4dc64cc9c555c11abb747e642faf6fecc910d71..287bb88f76986e127388efd03c18d117bf4c417e 100644 --- a/arch/s390/include/asm/pci_io.h +++ b/arch/s390/include/asm/pci_io.h @@ -14,12 +14,13 @@ /* I/O Map */ #define ZPCI_IOMAP_SHIFT 48 -#define ZPCI_IOMAP_ADDR_BASE 0x8000000000000000UL +#define ZPCI_IOMAP_ADDR_SHIFT 62 +#define ZPCI_IOMAP_ADDR_BASE (1UL << ZPCI_IOMAP_ADDR_SHIFT) #define ZPCI_IOMAP_ADDR_OFF_MASK ((1UL << ZPCI_IOMAP_SHIFT) - 1) #define ZPCI_IOMAP_MAX_ENTRIES \ - ((ULONG_MAX - ZPCI_IOMAP_ADDR_BASE + 1) / (1UL << ZPCI_IOMAP_SHIFT)) + (1UL << (ZPCI_IOMAP_ADDR_SHIFT - ZPCI_IOMAP_SHIFT)) #define ZPCI_IOMAP_ADDR_IDX_MASK \ - (~ZPCI_IOMAP_ADDR_OFF_MASK - ZPCI_IOMAP_ADDR_BASE) + ((ZPCI_IOMAP_ADDR_BASE - 1) & ~ZPCI_IOMAP_ADDR_OFF_MASK) struct zpci_iomap_entry { u32 fh; diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c index 6837affc19e8185cef726000b5eca49971a1c1d5..7795cdee6427dc430d51e8c8f0954b6cd717e1a9 100644 --- a/arch/s390/kernel/ipl.c +++ b/arch/s390/kernel/ipl.c @@ -1783,7 +1783,7 @@ void *ipl_report_finish(struct ipl_report *report) buf = vzalloc(report->size); if (!buf) - return ERR_PTR(-ENOMEM); + goto out; ptr = buf; memcpy(ptr, report->ipib, report->ipib->hdr.len); @@ -1822,6 +1822,7 @@ void *ipl_report_finish(struct ipl_report *report) } BUG_ON(ptr > buf + report->size); +out: return buf; } diff --git a/arch/s390/kernel/machine_kexec_file.c b/arch/s390/kernel/machine_kexec_file.c index f9e4baa64b675caa5ad5e1d9eccd3d01716fe721..76cd09879eaf452314d0d7aae30e5ebd9707d74d 100644 --- a/arch/s390/kernel/machine_kexec_file.c +++ b/arch/s390/kernel/machine_kexec_file.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include #include @@ -170,6 +171,7 @@ static int kexec_file_add_ipl_report(struct kimage *image, struct kexec_buf buf; unsigned long addr; void *ptr, *end; + int ret; buf.image = image; @@ -199,9 +201,13 @@ static int kexec_file_add_ipl_report(struct kimage *image, ptr += len; } + ret = -ENOMEM; buf.buffer = ipl_report_finish(data->report); + if (!buf.buffer) + goto out; buf.bufsz = data->report->size; buf.memsz = buf.bufsz; + image->arch.ipl_buf = buf.buffer; data->memsz += buf.memsz; @@ -209,7 +215,9 @@ static int kexec_file_add_ipl_report(struct kimage *image, data->kernel_buf + offsetof(struct lowcore, ipl_parmblock_ptr); *lc_ipl_parmblock_ptr = (__u32)buf.mem; - return kexec_add_buffer(&buf); + ret = kexec_add_buffer(&buf); +out: + return ret; } void *kexec_file_add_components(struct kimage *image, @@ -269,6 +277,7 @@ int arch_kexec_apply_relocations_add(struct purgatory_info *pi, { Elf_Rela *relas; int i, r_type; + int ret; relas = (void *)pi->ehdr + relsec->sh_offset; @@ -303,7 +312,11 @@ int arch_kexec_apply_relocations_add(struct purgatory_info *pi, addr = section->sh_addr + relas[i].r_offset; r_type = ELF64_R_TYPE(relas[i].r_info); - arch_kexec_do_relocs(r_type, loc, val, addr); + ret = arch_kexec_do_relocs(r_type, loc, val, addr); + if (ret) { + pr_err("Unknown rela relocation: %d\n", r_type); + return -ENOEXEC; + } } return 0; } @@ -321,3 +334,11 @@ int arch_kexec_kernel_image_probe(struct kimage *image, void *buf, return kexec_image_probe_default(image, buf, buf_len); } + +int arch_kimage_file_post_load_cleanup(struct kimage *image) +{ + vfree(image->arch.ipl_buf); + image->arch.ipl_buf = NULL; + + return kexec_image_post_load_cleanup_default(image); +} diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index f661f176966f5c2932fae08b0dc3e20606b61817..9a0316a067a118bea2764515289caaf9236e22fe 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -841,9 +841,6 @@ static void __init setup_memory(void) storage_key_init_range(reg->base, reg->base + reg->size); } psw_set_key(PAGE_DEFAULT_KEY); - - /* Only cosmetics */ - memblock_enforce_memory_limit(memblock_end_of_DRAM()); } /* diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c index fd73a8aa89d2351d2f3d2f2e125dc8779ef3f30b..8be5750fe5ac3a73f2f12b654731b3116c155d85 100644 --- a/arch/s390/kvm/interrupt.c +++ b/arch/s390/kvm/interrupt.c @@ -1982,6 +1982,13 @@ int kvm_s390_is_stop_irq_pending(struct kvm_vcpu *vcpu) return test_bit(IRQ_PEND_SIGP_STOP, &li->pending_irqs); } +int kvm_s390_is_restart_irq_pending(struct kvm_vcpu *vcpu) +{ + struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; + + return test_bit(IRQ_PEND_RESTART, &li->pending_irqs); +} + void kvm_s390_clear_stop_irq(struct kvm_vcpu *vcpu) { struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index b286818d8d54df4a72aead5ce8b5487961525e9f..49dc00d82e5eac957643f777b450606a52181866 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -4205,10 +4205,15 @@ void kvm_s390_vcpu_stop(struct kvm_vcpu *vcpu) spin_lock(&vcpu->kvm->arch.start_stop_lock); online_vcpus = atomic_read(&vcpu->kvm->online_vcpus); - /* SIGP STOP and SIGP STOP AND STORE STATUS has been fully processed */ + /* + * Set the VCPU to STOPPED and THEN clear the interrupt flag, + * now that the SIGP STOP and SIGP STOP AND STORE STATUS orders + * have been fully processed. This will ensure that the VCPU + * is kept BUSY if another VCPU is inquiring with SIGP SENSE. + */ + kvm_s390_set_cpuflags(vcpu, CPUSTAT_STOPPED); kvm_s390_clear_stop_irq(vcpu); - kvm_s390_set_cpuflags(vcpu, CPUSTAT_STOPPED); __disable_ibs_on_vcpu(vcpu); for (i = 0; i < online_vcpus; i++) { diff --git a/arch/s390/kvm/kvm-s390.h b/arch/s390/kvm/kvm-s390.h index 63d94a5253a8fe241960e732064abf51b3497851..d497d3e58784bfefd132a5fd451a58ca89da5079 100644 --- a/arch/s390/kvm/kvm-s390.h +++ b/arch/s390/kvm/kvm-s390.h @@ -373,6 +373,7 @@ void kvm_s390_destroy_adapters(struct kvm *kvm); int kvm_s390_ext_call_pending(struct kvm_vcpu *vcpu); extern struct kvm_device_ops kvm_flic_ops; int kvm_s390_is_stop_irq_pending(struct kvm_vcpu *vcpu); +int kvm_s390_is_restart_irq_pending(struct kvm_vcpu *vcpu); void kvm_s390_clear_stop_irq(struct kvm_vcpu *vcpu); int kvm_s390_set_irq_state(struct kvm_vcpu *vcpu, void __user *buf, int len); diff --git a/arch/s390/kvm/sigp.c b/arch/s390/kvm/sigp.c index 683036c1c92a8f9428622c8ba5b897b86cd3e6ae..3dc921e853b6e26e8cc35a9d39f29cc655216e7f 100644 --- a/arch/s390/kvm/sigp.c +++ b/arch/s390/kvm/sigp.c @@ -288,6 +288,34 @@ static int handle_sigp_dst(struct kvm_vcpu *vcpu, u8 order_code, if (!dst_vcpu) return SIGP_CC_NOT_OPERATIONAL; + /* + * SIGP RESTART, SIGP STOP, and SIGP STOP AND STORE STATUS orders + * are processed asynchronously. Until the affected VCPU finishes + * its work and calls back into KVM to clear the (RESTART or STOP) + * interrupt, we need to return any new non-reset orders "busy". + * + * This is important because a single VCPU could issue: + * 1) SIGP STOP $DESTINATION + * 2) SIGP SENSE $DESTINATION + * + * If the SIGP SENSE would not be rejected as "busy", it could + * return an incorrect answer as to whether the VCPU is STOPPED + * or OPERATING. + */ + if (order_code != SIGP_INITIAL_CPU_RESET && + order_code != SIGP_CPU_RESET) { + /* + * Lockless check. Both SIGP STOP and SIGP (RE)START + * properly synchronize everything while processing + * their orders, while the guest cannot observe a + * difference when issuing other orders from two + * different VCPUs. + */ + if (kvm_s390_is_stop_irq_pending(dst_vcpu) || + kvm_s390_is_restart_irq_pending(dst_vcpu)) + return SIGP_CC_BUSY; + } + switch (order_code) { case SIGP_SENSE: vcpu->stat.instruction_sigp_sense++; diff --git a/arch/s390/mm/pgalloc.c b/arch/s390/mm/pgalloc.c index 46071be897ab0fa972704e00eb3109eb5bffe220..90943bf3e5eecd1c2ee072448aec7ff83d2b9aa1 100644 --- a/arch/s390/mm/pgalloc.c +++ b/arch/s390/mm/pgalloc.c @@ -255,13 +255,15 @@ void page_table_free(struct mm_struct *mm, unsigned long *table) /* Free 2K page table fragment of a 4K page */ bit = (__pa(table) & ~PAGE_MASK)/(PTRS_PER_PTE*sizeof(pte_t)); spin_lock_bh(&mm->context.lock); - mask = atomic_xor_bits(&page->_refcount, 1U << (bit + 24)); + mask = atomic_xor_bits(&page->_refcount, 0x11U << (bit + 24)); mask >>= 24; if (mask & 3) list_add(&page->lru, &mm->context.pgtable_list); else list_del(&page->lru); spin_unlock_bh(&mm->context.lock); + mask = atomic_xor_bits(&page->_refcount, 0x10U << (bit + 24)); + mask >>= 24; if (mask != 0) return; } else { diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c index 9ebd01219812cc711055518c50b0dbfe5b454e89..4438c00acb6564a495bdae519b1f0968f0cacff8 100644 --- a/arch/s390/mm/pgtable.c +++ b/arch/s390/mm/pgtable.c @@ -970,6 +970,7 @@ EXPORT_SYMBOL(get_guest_storage_key); int pgste_perform_essa(struct mm_struct *mm, unsigned long hva, int orc, unsigned long *oldpte, unsigned long *oldpgste) { + struct vm_area_struct *vma; unsigned long pgstev; spinlock_t *ptl; pgste_t pgste; @@ -979,6 +980,10 @@ int pgste_perform_essa(struct mm_struct *mm, unsigned long hva, int orc, WARN_ON_ONCE(orc > ESSA_MAX); if (unlikely(orc > ESSA_MAX)) return -EINVAL; + + vma = find_vma(mm, hva); + if (!vma || hva < vma->vm_start || is_vm_hugetlb_page(vma)) + return -EFAULT; ptep = get_locked_pte(mm, hva, &ptl); if (unlikely(!ptep)) return -EFAULT; @@ -1071,10 +1076,14 @@ EXPORT_SYMBOL(pgste_perform_essa); int set_pgste_bits(struct mm_struct *mm, unsigned long hva, unsigned long bits, unsigned long value) { + struct vm_area_struct *vma; spinlock_t *ptl; pgste_t new; pte_t *ptep; + vma = find_vma(mm, hva); + if (!vma || hva < vma->vm_start || is_vm_hugetlb_page(vma)) + return -EFAULT; ptep = get_locked_pte(mm, hva, &ptl); if (unlikely(!ptep)) return -EFAULT; @@ -1099,9 +1108,13 @@ EXPORT_SYMBOL(set_pgste_bits); */ int get_pgste(struct mm_struct *mm, unsigned long hva, unsigned long *pgstep) { + struct vm_area_struct *vma; spinlock_t *ptl; pte_t *ptep; + vma = find_vma(mm, hva); + if (!vma || hva < vma->vm_start || is_vm_hugetlb_page(vma)) + return -EFAULT; ptep = get_locked_pte(mm, hva, &ptl); if (unlikely(!ptep)) return -EFAULT; diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug index 010b6c33bbba278bf802c57abd49375b3efe44ae..71acd3d9b9e8342e106318d68eed2fe82532cd00 100644 --- a/arch/sh/Kconfig.debug +++ b/arch/sh/Kconfig.debug @@ -58,6 +58,7 @@ config DUMP_CODE config DWARF_UNWINDER bool "Enable the DWARF unwinder for stacktraces" + depends on DEBUG_KERNEL select FRAME_POINTER depends on SUPERH32 default n diff --git a/arch/sh/include/asm/sfp-machine.h b/arch/sh/include/asm/sfp-machine.h index cbc7cf8c97ce613fec2c0f3e887cf95c5f1788d1..2d2423478b71d4722132e827e05948d347ff883e 100644 --- a/arch/sh/include/asm/sfp-machine.h +++ b/arch/sh/include/asm/sfp-machine.h @@ -13,6 +13,14 @@ #ifndef _SFP_MACHINE_H #define _SFP_MACHINE_H +#ifdef __BIG_ENDIAN__ +#define __BYTE_ORDER __BIG_ENDIAN +#define __LITTLE_ENDIAN 0 +#else +#define __BYTE_ORDER __LITTLE_ENDIAN +#define __BIG_ENDIAN 0 +#endif + #define _FP_W_TYPE_SIZE 32 #define _FP_W_TYPE unsigned long #define _FP_WS_TYPE signed long diff --git a/arch/sh/kernel/cpu/sh4a/smp-shx3.c b/arch/sh/kernel/cpu/sh4a/smp-shx3.c index f8a2bec0f260b373b7e3e6cd3529a34635aa1b11..1261dc7b84e8be2b268f60bf3897f0d1e454c5d4 100644 --- a/arch/sh/kernel/cpu/sh4a/smp-shx3.c +++ b/arch/sh/kernel/cpu/sh4a/smp-shx3.c @@ -73,8 +73,9 @@ static void shx3_prepare_cpus(unsigned int max_cpus) BUILD_BUG_ON(SMP_MSG_NR >= 8); for (i = 0; i < SMP_MSG_NR; i++) - request_irq(104 + i, ipi_interrupt_handler, - IRQF_PERCPU, "IPI", (void *)(long)i); + if (request_irq(104 + i, ipi_interrupt_handler, + IRQF_PERCPU, "IPI", (void *)(long)i)) + pr_err("Failed to request irq %d\n", i); for (i = 0; i < max_cpus; i++) set_cpu_present(i, true); diff --git a/arch/sh/math-emu/math.c b/arch/sh/math-emu/math.c index e8be0eca0444a05da6e80e9f683695fa0429b378..615ba932c398e4547cb9657cf68bacd8b0b3bce6 100644 --- a/arch/sh/math-emu/math.c +++ b/arch/sh/math-emu/math.c @@ -467,109 +467,6 @@ static int fpu_emulate(u16 code, struct sh_fpu_soft_struct *fregs, struct pt_reg return id_sys(fregs, regs, code); } -/** - * denormal_to_double - Given denormalized float number, - * store double float - * - * @fpu: Pointer to sh_fpu_soft structure - * @n: Index to FP register - */ -static void denormal_to_double(struct sh_fpu_soft_struct *fpu, int n) -{ - unsigned long du, dl; - unsigned long x = fpu->fpul; - int exp = 1023 - 126; - - if (x != 0 && (x & 0x7f800000) == 0) { - du = (x & 0x80000000); - while ((x & 0x00800000) == 0) { - x <<= 1; - exp--; - } - x &= 0x007fffff; - du |= (exp << 20) | (x >> 3); - dl = x << 29; - - fpu->fp_regs[n] = du; - fpu->fp_regs[n+1] = dl; - } -} - -/** - * ieee_fpe_handler - Handle denormalized number exception - * - * @regs: Pointer to register structure - * - * Returns 1 when it's handled (should not cause exception). - */ -static int ieee_fpe_handler(struct pt_regs *regs) -{ - unsigned short insn = *(unsigned short *)regs->pc; - unsigned short finsn; - unsigned long nextpc; - int nib[4] = { - (insn >> 12) & 0xf, - (insn >> 8) & 0xf, - (insn >> 4) & 0xf, - insn & 0xf}; - - if (nib[0] == 0xb || - (nib[0] == 0x4 && nib[2] == 0x0 && nib[3] == 0xb)) /* bsr & jsr */ - regs->pr = regs->pc + 4; - - if (nib[0] == 0xa || nib[0] == 0xb) { /* bra & bsr */ - nextpc = regs->pc + 4 + ((short) ((insn & 0xfff) << 4) >> 3); - finsn = *(unsigned short *) (regs->pc + 2); - } else if (nib[0] == 0x8 && nib[1] == 0xd) { /* bt/s */ - if (regs->sr & 1) - nextpc = regs->pc + 4 + ((char) (insn & 0xff) << 1); - else - nextpc = regs->pc + 4; - finsn = *(unsigned short *) (regs->pc + 2); - } else if (nib[0] == 0x8 && nib[1] == 0xf) { /* bf/s */ - if (regs->sr & 1) - nextpc = regs->pc + 4; - else - nextpc = regs->pc + 4 + ((char) (insn & 0xff) << 1); - finsn = *(unsigned short *) (regs->pc + 2); - } else if (nib[0] == 0x4 && nib[3] == 0xb && - (nib[2] == 0x0 || nib[2] == 0x2)) { /* jmp & jsr */ - nextpc = regs->regs[nib[1]]; - finsn = *(unsigned short *) (regs->pc + 2); - } else if (nib[0] == 0x0 && nib[3] == 0x3 && - (nib[2] == 0x0 || nib[2] == 0x2)) { /* braf & bsrf */ - nextpc = regs->pc + 4 + regs->regs[nib[1]]; - finsn = *(unsigned short *) (regs->pc + 2); - } else if (insn == 0x000b) { /* rts */ - nextpc = regs->pr; - finsn = *(unsigned short *) (regs->pc + 2); - } else { - nextpc = regs->pc + 2; - finsn = insn; - } - - if ((finsn & 0xf1ff) == 0xf0ad) { /* fcnvsd */ - struct task_struct *tsk = current; - - if ((tsk->thread.xstate->softfpu.fpscr & (1 << 17))) { - /* FPU error */ - denormal_to_double (&tsk->thread.xstate->softfpu, - (finsn >> 8) & 0xf); - tsk->thread.xstate->softfpu.fpscr &= - ~(FPSCR_CAUSE_MASK | FPSCR_FLAG_MASK); - task_thread_info(tsk)->status |= TS_USEDFPU; - } else { - force_sig_fault(SIGFPE, FPE_FLTINV, - (void __user *)regs->pc); - } - - regs->pc = nextpc; - return 1; - } - - return 0; -} - /** * fpu_init - Initialize FPU registers * @fpu: Pointer to software emulated FPU registers. diff --git a/arch/um/include/shared/registers.h b/arch/um/include/shared/registers.h index 0c50fa6e8a55b7330f43027c4dea3170e5173d72..fbb709a222839132cec2a2bbf16c4467d88450e6 100644 --- a/arch/um/include/shared/registers.h +++ b/arch/um/include/shared/registers.h @@ -16,8 +16,8 @@ extern int restore_fp_registers(int pid, unsigned long *fp_regs); extern int save_fpx_registers(int pid, unsigned long *fp_regs); extern int restore_fpx_registers(int pid, unsigned long *fp_regs); extern int save_registers(int pid, struct uml_pt_regs *regs); -extern int restore_registers(int pid, struct uml_pt_regs *regs); -extern int init_registers(int pid); +extern int restore_pid_registers(int pid, struct uml_pt_regs *regs); +extern int init_pid_registers(int pid); extern void get_safe_registers(unsigned long *regs, unsigned long *fp_regs); extern unsigned long get_thread_reg(int reg, jmp_buf *buf); extern int get_fp_registers(int pid, unsigned long *regs); diff --git a/arch/um/os-Linux/registers.c b/arch/um/os-Linux/registers.c index 2d9270508e1565620e418f0134bf7573474351eb..b123955be7accf01958684dbbd2fea0ef8130202 100644 --- a/arch/um/os-Linux/registers.c +++ b/arch/um/os-Linux/registers.c @@ -21,7 +21,7 @@ int save_registers(int pid, struct uml_pt_regs *regs) return 0; } -int restore_registers(int pid, struct uml_pt_regs *regs) +int restore_pid_registers(int pid, struct uml_pt_regs *regs) { int err; @@ -36,7 +36,7 @@ int restore_registers(int pid, struct uml_pt_regs *regs) static unsigned long exec_regs[MAX_REG_NR]; static unsigned long exec_fp_regs[FP_SIZE]; -int init_registers(int pid) +int init_pid_registers(int pid) { int err; diff --git a/arch/um/os-Linux/start_up.c b/arch/um/os-Linux/start_up.c index f79dc338279e65e09653e23c1ac7169bf26076ff..b28373a2b8d2d035c7f96d374c50f9b479250459 100644 --- a/arch/um/os-Linux/start_up.c +++ b/arch/um/os-Linux/start_up.c @@ -336,7 +336,7 @@ void __init os_early_checks(void) check_tmpexec(); pid = start_ptraced_child(); - if (init_registers(pid)) + if (init_pid_registers(pid)) fatal("Failed to initialize default registers"); stop_ptraced_child(pid, 1, 1); } diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index cea0b5b8bd922cb6ee09b692211ed33e5234aadc..1ed5efaf573529e2ba1360c89fa4384627009540 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1992,6 +1992,7 @@ config EFI depends on ACPI select UCS2_STRING select EFI_RUNTIME_WRAPPERS + select ARCH_USE_MEMREMAP_PROT ---help--- This enables the kernel to use EFI runtime services that are available (such as the EFI variable services). diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c index 00bccb4d1772230c6b53e99cb3bcc8180cc9022b..e4f7ac28dcf2b5f5a88b48625d56c8285f346d1f 100644 --- a/arch/x86/events/core.c +++ b/arch/x86/events/core.c @@ -2366,10 +2366,11 @@ static bool perf_hw_regs(struct pt_regs *regs) void perf_callchain_kernel(struct perf_callchain_entry_ctx *entry, struct pt_regs *regs) { + struct perf_guest_info_callbacks *guest_cbs = perf_get_guest_cbs(); struct unwind_state state; unsigned long addr; - if (perf_guest_cbs && perf_guest_cbs->is_in_guest()) { + if (guest_cbs && guest_cbs->is_in_guest()) { /* TODO: We don't support guest os callchain now */ return; } @@ -2475,10 +2476,11 @@ perf_callchain_user32(struct pt_regs *regs, struct perf_callchain_entry_ctx *ent void perf_callchain_user(struct perf_callchain_entry_ctx *entry, struct pt_regs *regs) { + struct perf_guest_info_callbacks *guest_cbs = perf_get_guest_cbs(); struct stack_frame frame; const unsigned long __user *fp; - if (perf_guest_cbs && perf_guest_cbs->is_in_guest()) { + if (guest_cbs && guest_cbs->is_in_guest()) { /* TODO: We don't support guest os callchain now */ return; } @@ -2562,18 +2564,21 @@ static unsigned long code_segment_base(struct pt_regs *regs) unsigned long perf_instruction_pointer(struct pt_regs *regs) { - if (perf_guest_cbs && perf_guest_cbs->is_in_guest()) - return perf_guest_cbs->get_guest_ip(); + struct perf_guest_info_callbacks *guest_cbs = perf_get_guest_cbs(); + + if (guest_cbs && guest_cbs->is_in_guest()) + return guest_cbs->get_guest_ip(); return regs->ip + code_segment_base(regs); } unsigned long perf_misc_flags(struct pt_regs *regs) { + struct perf_guest_info_callbacks *guest_cbs = perf_get_guest_cbs(); int misc = 0; - if (perf_guest_cbs && perf_guest_cbs->is_in_guest()) { - if (perf_guest_cbs->is_user_mode()) + if (guest_cbs && guest_cbs->is_in_guest()) { + if (guest_cbs->is_user_mode()) misc |= PERF_RECORD_MISC_GUEST_USER; else misc |= PERF_RECORD_MISC_GUEST_KERNEL; diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c index 8f9a8bcd5184c37ea89001f646a690d477e088f8..4ac466a9ef47fd31087f13fe3c37179308b4e0d7 100644 --- a/arch/x86/events/intel/core.c +++ b/arch/x86/events/intel/core.c @@ -2333,6 +2333,7 @@ static int handle_pmi_common(struct pt_regs *regs, u64 status) { struct perf_sample_data data; struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); + struct perf_guest_info_callbacks *guest_cbs; int bit; int handled = 0; @@ -2386,9 +2387,11 @@ static int handle_pmi_common(struct pt_regs *regs, u64 status) */ if (__test_and_clear_bit(55, (unsigned long *)&status)) { handled++; - if (unlikely(perf_guest_cbs && perf_guest_cbs->is_in_guest() && - perf_guest_cbs->handle_intel_pt_intr)) - perf_guest_cbs->handle_intel_pt_intr(); + + guest_cbs = perf_get_guest_cbs(); + if (unlikely(guest_cbs && guest_cbs->is_in_guest() && + guest_cbs->handle_intel_pt_intr)) + guest_cbs->handle_intel_pt_intr(); else intel_pt_interrupt(); } diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/uncore_snbep.c index 9096a1693942d225be0d6bb28480b2e72a0bdf1c..0f61f46e6086ff55ababdc20cdf3458bca13cd39 100644 --- a/arch/x86/events/intel/uncore_snbep.c +++ b/arch/x86/events/intel/uncore_snbep.c @@ -3479,6 +3479,9 @@ static int skx_cha_hw_config(struct intel_uncore_box *box, struct perf_event *ev struct hw_perf_event_extra *reg1 = &event->hw.extra_reg; struct extra_reg *er; int idx = 0; + /* Any of the CHA events may be filtered by Thread/Core-ID.*/ + if (event->hw.config & SNBEP_CBO_PMON_CTL_TID_EN) + idx = SKX_CHA_MSR_PMON_BOX_FILTER_TID; for (er = skx_uncore_cha_extra_regs; er->msr; er++) { if (er->event != (event->hw.config & er->config_mask)) @@ -3546,6 +3549,7 @@ static struct event_constraint skx_uncore_iio_constraints[] = { UNCORE_EVENT_CONSTRAINT(0xc0, 0xc), UNCORE_EVENT_CONSTRAINT(0xc5, 0xc), UNCORE_EVENT_CONSTRAINT(0xd4, 0xc), + UNCORE_EVENT_CONSTRAINT(0xd5, 0xc), EVENT_CONSTRAINT_END }; diff --git a/arch/x86/hyperv/hv_init.c b/arch/x86/hyperv/hv_init.c index 812db1ac8cb11d2089e2cdda27d80a0a2bac8324..df4a4a9dc1e842c78e3fb1c700697a6b10557bac 100644 --- a/arch/x86/hyperv/hv_init.c +++ b/arch/x86/hyperv/hv_init.c @@ -163,6 +163,9 @@ void set_hv_tscchange_cb(void (*cb)(void)) return; } + if (!hv_vp_index) + return; + hv_reenlightenment_cb = cb; /* Make sure callback is registered before we write to MSRs */ diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index ea85f23d9e2277f1b82baac638f0a4c8513ad982..1ae7c20f54691c504e3d9e93f4a06fefac4ea72c 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -1375,8 +1375,8 @@ static inline pmd_t pmd_swp_clear_soft_dirty(pmd_t pmd) #endif #endif -#define PKRU_AD_BIT 0x1 -#define PKRU_WD_BIT 0x2 +#define PKRU_AD_BIT 0x1u +#define PKRU_WD_BIT 0x2u #define PKRU_BITS_PER_PKEY 2 #ifdef CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS diff --git a/arch/x86/include/asm/realmode.h b/arch/x86/include/asm/realmode.h index 09ecc32f65248dfb8e8167183ac90b6e9821f185..52d7512ea91ab8426a46dfcd5bac8a0b02fc6a62 100644 --- a/arch/x86/include/asm/realmode.h +++ b/arch/x86/include/asm/realmode.h @@ -82,6 +82,7 @@ static inline void set_real_mode_mem(phys_addr_t mem) } void reserve_real_mode(void); +void load_trampoline_pgtable(void); #endif /* __ASSEMBLY__ */ diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c index c2a9762d278dda393319075641d315430128ea1e..8a2b8e79131491e892c0fb26015bdba37613bbc6 100644 --- a/arch/x86/kernel/cpu/mce/core.c +++ b/arch/x86/kernel/cpu/mce/core.c @@ -310,11 +310,17 @@ static void wait_for_panic(void) panic("Panicing machine check CPU died"); } -static void mce_panic(const char *msg, struct mce *final, char *exp) +static noinstr void mce_panic(const char *msg, struct mce *final, char *exp) { - int apei_err = 0; struct llist_node *pending; struct mce_evt_llist *l; + int apei_err = 0; + + /* + * Allow instrumentation around external facilities usage. Not that it + * matters a whole lot since the machine is going to panic anyway. + */ + instrumentation_begin(); if (!fake_panic) { /* @@ -329,7 +335,7 @@ static void mce_panic(const char *msg, struct mce *final, char *exp) } else { /* Don't log too much for fake panic */ if (atomic_inc_return(&mce_fake_panicked) > 1) - return; + goto out; } pending = mce_gen_pool_prepare_records(); /* First print corrected ones that are still unlogged */ @@ -367,6 +373,9 @@ static void mce_panic(const char *msg, struct mce *final, char *exp) panic(msg); } else pr_emerg(HW_ERR "Fake kernel panic: %s\n", msg); + +out: + instrumentation_end(); } /* Support code for software error injection */ @@ -691,7 +700,7 @@ static struct notifier_block mce_default_nb = { /* * Read ADDR and MISC registers. */ -static void mce_read_aux(struct mce *m, int i) +static noinstr void mce_read_aux(struct mce *m, int i) { if (m->status & MCI_STATUS_MISCV) m->misc = mce_rdmsrl(msr_ops.misc(i)); @@ -1071,10 +1080,13 @@ static int mce_start(int *no_way_out) * Synchronize between CPUs after main scanning loop. * This invokes the bulk of the Monarch processing. */ -static int mce_end(int order) +static noinstr int mce_end(int order) { - int ret = -1; u64 timeout = (u64)mca_cfg.monarch_timeout * NSEC_PER_USEC; + int ret = -1; + + /* Allow instrumentation around external facilities. */ + instrumentation_begin(); if (!timeout) goto reset; @@ -1118,7 +1130,8 @@ static int mce_end(int order) /* * Don't reset anything. That's done by the Monarch. */ - return 0; + ret = 0; + goto out; } /* @@ -1133,6 +1146,10 @@ static int mce_end(int order) * Let others run again. */ atomic_set(&mce_executing, 0); + +out: + instrumentation_end(); + return ret; } diff --git a/arch/x86/kernel/cpu/mce/inject.c b/arch/x86/kernel/cpu/mce/inject.c index eb2d41c1816d66b87939069f6eae9832b4bc6fa0..e1fda5b19b6f6a440c5008dd6574c01e66a4a3b2 100644 --- a/arch/x86/kernel/cpu/mce/inject.c +++ b/arch/x86/kernel/cpu/mce/inject.c @@ -347,7 +347,7 @@ static ssize_t flags_write(struct file *filp, const char __user *ubuf, char buf[MAX_FLAG_OPT_SIZE], *__buf; int err; - if (cnt > MAX_FLAG_OPT_SIZE) + if (!cnt || cnt > MAX_FLAG_OPT_SIZE) return -EINVAL; if (copy_from_user(&buf, ubuf, cnt)) diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c index 6f6b1d04dadf9817e0e5fe09df8f4902185d8c7f..50225bc0383b95904d757304aa41d889456070a5 100644 --- a/arch/x86/kernel/early-quirks.c +++ b/arch/x86/kernel/early-quirks.c @@ -515,6 +515,7 @@ static const struct intel_early_ops gen11_early_ops __initconst = { .stolen_size = gen9_stolen_size, }; +/* Intel integrated GPUs for which we need to reserve "stolen memory" */ static const struct pci_device_id intel_early_ids[] __initconst = { INTEL_I830_IDS(&i830_early_ops), INTEL_I845G_IDS(&i845_early_ops), @@ -587,6 +588,13 @@ static void __init intel_graphics_quirks(int num, int slot, int func) u16 device; int i; + /* + * Reserve "stolen memory" for an integrated GPU. If we've already + * found one, there's nothing to do for other (discrete) GPUs. + */ + if (resource_size(&intel_graphics_stolen_res)) + return; + device = read_pci_config_16(num, slot, func, PCI_DEVICE_ID); for (i = 0; i < ARRAY_SIZE(intel_early_ids); i++) { @@ -699,7 +707,7 @@ static struct chipset early_qrk[] __initdata = { { PCI_VENDOR_ID_INTEL, 0x3406, PCI_CLASS_BRIDGE_HOST, PCI_BASE_CLASS_BRIDGE, 0, intel_remapping_check }, { PCI_VENDOR_ID_INTEL, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA, PCI_ANY_ID, - QFLAG_APPLY_ONCE, intel_graphics_quirks }, + 0, intel_graphics_quirks }, /* * HPET on the current version of the Baytrail platform has accuracy * problems: it will halt in deep idle state - so we disable it. diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c index d65d1afb271619d1f3c86de1a3fbb48b67dbecfd..fdef27a84d713632dbf65d211f5c6ed8e36fd9a7 100644 --- a/arch/x86/kernel/reboot.c +++ b/arch/x86/kernel/reboot.c @@ -113,17 +113,9 @@ void __noreturn machine_real_restart(unsigned int type) spin_unlock(&rtc_lock); /* - * Switch back to the initial page table. + * Switch to the trampoline page table. */ -#ifdef CONFIG_X86_32 - load_cr3(initial_page_table); -#else - write_cr3(real_mode_header->trampoline_pgd); - - /* Exiting long mode will fail if CR4.PCIDE is set. */ - if (boot_cpu_has(X86_FEATURE_PCID)) - cr4_clear_bits(X86_CR4_PCIDE); -#endif + load_trampoline_pgtable(); /* Jump to the identity-mapped low memory code */ #ifdef CONFIG_X86_32 diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c index 7e322e2daaf59e06841422dcbc926718a688a42d..fe4200b895829cbe05ceb45319f7f1ba4cddfc07 100644 --- a/arch/x86/kernel/tsc.c +++ b/arch/x86/kernel/tsc.c @@ -1162,6 +1162,12 @@ void mark_tsc_unstable(char *reason) EXPORT_SYMBOL_GPL(mark_tsc_unstable); +static void __init tsc_disable_clocksource_watchdog(void) +{ + clocksource_tsc_early.flags &= ~CLOCK_SOURCE_MUST_VERIFY; + clocksource_tsc.flags &= ~CLOCK_SOURCE_MUST_VERIFY; +} + static void __init check_system_tsc_reliable(void) { #if defined(CONFIG_MGEODEGX1) || defined(CONFIG_MGEODE_LX) || defined(CONFIG_X86_GENERIC) @@ -1178,6 +1184,23 @@ static void __init check_system_tsc_reliable(void) #endif if (boot_cpu_has(X86_FEATURE_TSC_RELIABLE)) tsc_clocksource_reliable = 1; + + /* + * Disable the clocksource watchdog when the system has: + * - TSC running at constant frequency + * - TSC which does not stop in C-States + * - the TSC_ADJUST register which allows to detect even minimal + * modifications + * - not more than two sockets. As the number of sockets cannot be + * evaluated at the early boot stage where this has to be + * invoked, check the number of online memory nodes as a + * fallback solution which is an reasonable estimate. + */ + if (boot_cpu_has(X86_FEATURE_CONSTANT_TSC) && + boot_cpu_has(X86_FEATURE_NONSTOP_TSC) && + boot_cpu_has(X86_FEATURE_TSC_ADJUST) && + nr_online_nodes <= 2) + tsc_disable_clocksource_watchdog(); } /* @@ -1369,9 +1392,6 @@ static int __init init_tsc_clocksource(void) if (tsc_unstable) goto unreg; - if (tsc_clocksource_reliable || no_tsc_watchdog) - clocksource_tsc.flags &= ~CLOCK_SOURCE_MUST_VERIFY; - if (boot_cpu_has(X86_FEATURE_NONSTOP_TSC_S3)) clocksource_tsc.flags |= CLOCK_SOURCE_SUSPEND_NONSTOP; @@ -1506,7 +1526,7 @@ void __init tsc_init(void) } if (tsc_clocksource_reliable || no_tsc_watchdog) - clocksource_tsc_early.flags &= ~CLOCK_SOURCE_MUST_VERIFY; + tsc_disable_clocksource_watchdog(); clocksource_register_khz(&clocksource_tsc_early, tsc_khz); detect_art(); diff --git a/arch/x86/kernel/tsc_sync.c b/arch/x86/kernel/tsc_sync.c index ec534f978867db90e662e7ee1d82e366796d1340..59b11430630038ba7a06781a8f33c9b755fe4ba6 100644 --- a/arch/x86/kernel/tsc_sync.c +++ b/arch/x86/kernel/tsc_sync.c @@ -30,6 +30,7 @@ struct tsc_adjust { }; static DEFINE_PER_CPU(struct tsc_adjust, tsc_adjust); +static struct timer_list tsc_sync_check_timer; /* * TSC's on different sockets may be reset asynchronously. @@ -77,6 +78,46 @@ void tsc_verify_tsc_adjust(bool resume) } } +/* + * Normally the tsc_sync will be checked every time system enters idle + * state, but there is still caveat that a system won't enter idle, + * either because it's too busy or configured purposely to not enter + * idle. + * + * So setup a periodic timer (every 10 minutes) to make sure the check + * is always on. + */ + +#define SYNC_CHECK_INTERVAL (HZ * 600) + +static void tsc_sync_check_timer_fn(struct timer_list *unused) +{ + int next_cpu; + + tsc_verify_tsc_adjust(false); + + /* Run the check for all onlined CPUs in turn */ + next_cpu = cpumask_next(raw_smp_processor_id(), cpu_online_mask); + if (next_cpu >= nr_cpu_ids) + next_cpu = cpumask_first(cpu_online_mask); + + tsc_sync_check_timer.expires += SYNC_CHECK_INTERVAL; + add_timer_on(&tsc_sync_check_timer, next_cpu); +} + +static int __init start_sync_check_timer(void) +{ + if (!cpu_feature_enabled(X86_FEATURE_TSC_ADJUST) || tsc_clocksource_reliable) + return 0; + + timer_setup(&tsc_sync_check_timer, tsc_sync_check_timer_fn, 0); + tsc_sync_check_timer.expires = jiffies + SYNC_CHECK_INTERVAL; + add_timer(&tsc_sync_check_timer); + + return 0; +} +late_initcall(start_sync_check_timer); + static void tsc_sanitize_first_cpu(struct tsc_adjust *cur, s64 bootval, unsigned int cpu, bool bootcpu) { diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c index 26408434b9bcf5b65c75b1a233a8c069dd233cd2..be92e8dccda3da7bd0c94c46f8de5a46b3f19b2c 100644 --- a/arch/x86/kvm/hyperv.c +++ b/arch/x86/kvm/hyperv.c @@ -1501,11 +1501,13 @@ static u64 kvm_hv_send_ipi(struct kvm_vcpu *current_vcpu, u64 ingpa, u64 outgpa, all_cpus = send_ipi_ex.vp_set.format == HV_GENERIC_SET_ALL; + if (all_cpus) + goto check_and_send_ipi; + if (!sparse_banks_len) goto ret_success; - if (!all_cpus && - kvm_read_guest(kvm, + if (kvm_read_guest(kvm, ingpa + offsetof(struct hv_send_ipi_ex, vp_set.bank_contents), sparse_banks, @@ -1513,6 +1515,7 @@ static u64 kvm_hv_send_ipi(struct kvm_vcpu *current_vcpu, u64 ingpa, u64 outgpa, return HV_STATUS_INVALID_HYPERCALL_INPUT; } +check_and_send_ipi: if ((vector < HV_IPI_LOW_VECTOR) || (vector > HV_IPI_HIGH_VECTOR)) return HV_STATUS_INVALID_HYPERCALL_INPUT; diff --git a/arch/x86/kvm/pmu_amd.c b/arch/x86/kvm/pmu_amd.c index c8388389a3b05bcaa29dd27f853792186408866c..d9990951fd0acb0e2c86749447679d44df9cf008 100644 --- a/arch/x86/kvm/pmu_amd.c +++ b/arch/x86/kvm/pmu_amd.c @@ -266,7 +266,7 @@ static void amd_pmu_refresh(struct kvm_vcpu *vcpu) pmu->nr_arch_gp_counters = AMD64_NUM_COUNTERS; pmu->counter_bitmask[KVM_PMC_GP] = ((u64)1 << 48) - 1; - pmu->reserved_bits = 0xffffffff00200000ull; + pmu->reserved_bits = 0xfffffff000280000ull; pmu->version = 1; /* not applicable to AMD; but clean them to prevent any fall out */ pmu->counter_bitmask[KVM_PMC_FIXED] = 0; diff --git a/arch/x86/kvm/vmx/evmcs.h b/arch/x86/kvm/vmx/evmcs.h index 07ebf6882a458ab7f85c03d0dd22aa759e6085eb..632bed227152e2411aec9cdf3e849a0f8c3e88b9 100644 --- a/arch/x86/kvm/vmx/evmcs.h +++ b/arch/x86/kvm/vmx/evmcs.h @@ -58,7 +58,9 @@ DECLARE_STATIC_KEY_FALSE(enable_evmcs); SECONDARY_EXEC_SHADOW_VMCS | \ SECONDARY_EXEC_TSC_SCALING | \ SECONDARY_EXEC_PAUSE_LOOP_EXITING) -#define EVMCS1_UNSUPPORTED_VMEXIT_CTRL (VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL) +#define EVMCS1_UNSUPPORTED_VMEXIT_CTRL \ + (VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL | \ + VM_EXIT_SAVE_VMX_PREEMPTION_TIMER) #define EVMCS1_UNSUPPORTED_VMENTRY_CTRL (VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL) #define EVMCS1_UNSUPPORTED_VMFUNC (VMX_VMFUNC_EPTP_SWITCHING) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 0aaf40be956ff56023e613eb1650a87c895ac937..1f7dfa5aa42da4da0afb9da820d01a40c7f9c6c6 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -1218,7 +1218,7 @@ static const u32 msrs_to_save_all[] = { MSR_IA32_UMWAIT_CONTROL, MSR_ARCH_PERFMON_FIXED_CTR0, MSR_ARCH_PERFMON_FIXED_CTR1, - MSR_ARCH_PERFMON_FIXED_CTR0 + 2, MSR_ARCH_PERFMON_FIXED_CTR0 + 3, + MSR_ARCH_PERFMON_FIXED_CTR0 + 2, MSR_CORE_PERF_FIXED_CTR_CTRL, MSR_CORE_PERF_GLOBAL_STATUS, MSR_CORE_PERF_GLOBAL_CTRL, MSR_CORE_PERF_GLOBAL_OVF_CTRL, MSR_ARCH_PERFMON_PERFCTR0, MSR_ARCH_PERFMON_PERFCTR1, diff --git a/arch/x86/platform/efi/quirks.c b/arch/x86/platform/efi/quirks.c index aefe845dff596c55788e8a904de111450c31d1dc..6ca88fbc009cd7b31a0ef5a4c6e4ba25970018ff 100644 --- a/arch/x86/platform/efi/quirks.c +++ b/arch/x86/platform/efi/quirks.c @@ -279,7 +279,8 @@ void __init efi_arch_mem_reserve(phys_addr_t addr, u64 size) return; } - new = early_memremap(new_phys, new_size); + new = early_memremap_prot(new_phys, new_size, + pgprot_val(pgprot_encrypted(FIXMAP_PAGE_NORMAL))); if (!new) { pr_err("Failed to map new boot services memmap\n"); return; diff --git a/arch/x86/realmode/init.c b/arch/x86/realmode/init.c index 262f83cad35516d0286ae82a3e4a58fd428360fd..fac50ebb122b5471966f34ecf474ff834da420eb 100644 --- a/arch/x86/realmode/init.c +++ b/arch/x86/realmode/init.c @@ -16,6 +16,32 @@ u32 *trampoline_cr4_features; /* Hold the pgd entry used on booting additional CPUs */ pgd_t trampoline_pgd_entry; +void load_trampoline_pgtable(void) +{ +#ifdef CONFIG_X86_32 + load_cr3(initial_page_table); +#else + /* + * This function is called before exiting to real-mode and that will + * fail with CR4.PCIDE still set. + */ + if (boot_cpu_has(X86_FEATURE_PCID)) + cr4_clear_bits(X86_CR4_PCIDE); + + write_cr3(real_mode_header->trampoline_pgd); +#endif + + /* + * The CR3 write above will not flush global TLB entries. + * Stale, global entries from previous page tables may still be + * present. Flush those stale entries. + * + * This ensures that memory accessed while running with + * trampoline_pgd is *actually* mapped into trampoline_pgd. + */ + __flush_tlb_all(); +} + void __init reserve_real_mode(void) { phys_addr_t mem; @@ -50,6 +76,7 @@ static void __init setup_real_mode(void) #ifdef CONFIG_X86_64 u64 *trampoline_pgd; u64 efer; + int i; #endif base = (unsigned char *)real_mode_header; @@ -108,8 +135,17 @@ static void __init setup_real_mode(void) trampoline_header->flags |= TH_FLAGS_SME_ACTIVE; trampoline_pgd = (u64 *) __va(real_mode_header->trampoline_pgd); + + /* Map the real mode stub as virtual == physical */ trampoline_pgd[0] = trampoline_pgd_entry.pgd; - trampoline_pgd[511] = init_top_pgt[511].pgd; + + /* + * Include the entirety of the kernel mapping into the trampoline + * PGD. This way, all mappings present in the normal kernel page + * tables are usable while running on trampoline_pgd. + */ + for (i = pgd_index(__PAGE_OFFSET); i < PTRS_PER_PGD; i++) + trampoline_pgd[i] = init_top_pgt[i].pgd; #endif } diff --git a/arch/x86/um/syscalls_64.c b/arch/x86/um/syscalls_64.c index 58f51667e2e4beb82ec794cf618bf7026cfcb66c..8249685b409605a486d19621c2a78a9713856c58 100644 --- a/arch/x86/um/syscalls_64.c +++ b/arch/x86/um/syscalls_64.c @@ -11,6 +11,7 @@ #include #include /* XXX This should get the constants from libc */ #include +#include long arch_prctl(struct task_struct *task, int option, unsigned long __user *arg2) @@ -35,7 +36,7 @@ long arch_prctl(struct task_struct *task, int option, switch (option) { case ARCH_SET_FS: case ARCH_SET_GS: - ret = restore_registers(pid, ¤t->thread.regs.regs); + ret = restore_pid_registers(pid, ¤t->thread.regs.regs); if (ret) return ret; break; diff --git a/block/bio-integrity.c b/block/bio-integrity.c index c9dc2b17ce2513bef5fd042810f143f45eca31d9..ec295be93ca0df04c01a561b1eeb43070755dc25 100644 --- a/block/bio-integrity.c +++ b/block/bio-integrity.c @@ -380,7 +380,7 @@ void bio_integrity_advance(struct bio *bio, unsigned int bytes_done) struct blk_integrity *bi = blk_get_integrity(bio->bi_disk); unsigned bytes = bio_integrity_bytes(bi, bytes_done >> 9); - bip->bip_iter.bi_sector += bytes_done >> 9; + bip->bip_iter.bi_sector += bio_integrity_intervals(bi, bytes_done >> 9); bvec_iter_advance(bip->bip_vec, &bip->bip_iter, bytes); } diff --git a/block/bio.c b/block/bio.c index b1de254c862b11b9a39391efb930e8c91bd15f45..876cba551ffef03ac981fefd789e01ae5f5a01ab 100644 --- a/block/bio.c +++ b/block/bio.c @@ -572,7 +572,8 @@ void bio_truncate(struct bio *bio, unsigned new_size) offset = new_size - done; else offset = 0; - zero_user(bv.bv_page, offset, bv.bv_len - offset); + zero_user(bv.bv_page, bv.bv_offset + offset, + bv.bv_len - offset); truncated = true; } done += bv.bv_len; diff --git a/block/ioprio.c b/block/ioprio.c index 77bcab11dce5794531abf58f1d6e7957ea06c887..d70980d85c551cc72a01a78f1c60547dd6266280 100644 --- a/block/ioprio.c +++ b/block/ioprio.c @@ -207,6 +207,7 @@ SYSCALL_DEFINE2(ioprio_get, int, which, int, who) pgrp = task_pgrp(current); else pgrp = find_vpid(who); + read_lock(&tasklist_lock); do_each_pid_thread(pgrp, PIDTYPE_PGID, p) { tmpio = get_task_ioprio(p); if (tmpio < 0) @@ -216,6 +217,8 @@ SYSCALL_DEFINE2(ioprio_get, int, which, int, who) else ret = ioprio_best(ret, tmpio); } while_each_pid_thread(pgrp, PIDTYPE_PGID, p); + read_unlock(&tasklist_lock); + break; case IOPRIO_WHO_USER: uid = make_kuid(current_user_ns(), who); diff --git a/drivers/acpi/acpica/exfield.c b/drivers/acpi/acpica/exfield.c index d3d2dbfba680c18d533caf861eb26a910dbc0db1..cd3debefe990d4a3acf942e100124a5ea013e884 100644 --- a/drivers/acpi/acpica/exfield.c +++ b/drivers/acpi/acpica/exfield.c @@ -320,12 +320,7 @@ acpi_ex_write_data_to_field(union acpi_operand_object *source_desc, obj_desc->field.base_byte_offset, source_desc->buffer.pointer, data_length); - if ((obj_desc->field.region_obj->region.address == - PCC_MASTER_SUBSPACE - && MASTER_SUBSPACE_COMMAND(obj_desc->field. - base_byte_offset)) - || GENERIC_SUBSPACE_COMMAND(obj_desc->field. - base_byte_offset)) { + if (MASTER_SUBSPACE_COMMAND(obj_desc->field.base_byte_offset)) { /* Perform the write */ diff --git a/drivers/acpi/acpica/exoparg1.c b/drivers/acpi/acpica/exoparg1.c index 06e35ea0982345fe54a2e3161aa6bdd19366198b..6d84618ba38713113e27fbfae881e6136f274b40 100644 --- a/drivers/acpi/acpica/exoparg1.c +++ b/drivers/acpi/acpica/exoparg1.c @@ -1007,7 +1007,8 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state) (walk_state, return_desc, &temp_desc); if (ACPI_FAILURE(status)) { - goto cleanup; + return_ACPI_STATUS + (status); } return_desc = temp_desc; diff --git a/drivers/acpi/acpica/hwesleep.c b/drivers/acpi/acpica/hwesleep.c index aa502ae3b6b315068b90614719a23dde9012532a..de0a59878e52de1e9ed593128d6c774db4047609 100644 --- a/drivers/acpi/acpica/hwesleep.c +++ b/drivers/acpi/acpica/hwesleep.c @@ -104,7 +104,9 @@ acpi_status acpi_hw_extended_sleep(u8 sleep_state) /* Flush caches, as per ACPI specification */ - ACPI_FLUSH_CPU_CACHE(); + if (sleep_state < ACPI_STATE_S4) { + ACPI_FLUSH_CPU_CACHE(); + } status = acpi_os_enter_sleep(sleep_state, sleep_control, 0); if (status == AE_CTRL_TERMINATE) { diff --git a/drivers/acpi/acpica/hwsleep.c b/drivers/acpi/acpica/hwsleep.c index 5f7d63badbe9dc84422061324bb14d210777b2a0..321aaad97e2f7e2679fc8e265bc439447e0a066c 100644 --- a/drivers/acpi/acpica/hwsleep.c +++ b/drivers/acpi/acpica/hwsleep.c @@ -110,7 +110,9 @@ acpi_status acpi_hw_legacy_sleep(u8 sleep_state) /* Flush caches, as per ACPI specification */ - ACPI_FLUSH_CPU_CACHE(); + if (sleep_state < ACPI_STATE_S4) { + ACPI_FLUSH_CPU_CACHE(); + } status = acpi_os_enter_sleep(sleep_state, pm1a_control, pm1b_control); if (status == AE_CTRL_TERMINATE) { diff --git a/drivers/acpi/acpica/hwxfsleep.c b/drivers/acpi/acpica/hwxfsleep.c index 79731efbe8fe2ac0a4d486ae7dc43222cecae8d5..4e3398819718daeb60d35c836a39aa6e6c1cddc3 100644 --- a/drivers/acpi/acpica/hwxfsleep.c +++ b/drivers/acpi/acpica/hwxfsleep.c @@ -162,8 +162,6 @@ acpi_status acpi_enter_sleep_state_s4bios(void) return_ACPI_STATUS(status); } - ACPI_FLUSH_CPU_CACHE(); - status = acpi_hw_write_port(acpi_gbl_FADT.smi_command, (u32)acpi_gbl_FADT.s4_bios_request, 8); diff --git a/drivers/acpi/acpica/utdelete.c b/drivers/acpi/acpica/utdelete.c index 72d2c0b656339c1f06473b252765713c2053039f..cb1750e7a6281ae9a91bed0d586dffc6b605db6d 100644 --- a/drivers/acpi/acpica/utdelete.c +++ b/drivers/acpi/acpica/utdelete.c @@ -422,6 +422,7 @@ acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action) ACPI_WARNING((AE_INFO, "Obj %p, Reference Count is already zero, cannot decrement\n", object)); + return; } ACPI_DEBUG_PRINT_RAW((ACPI_DB_ALLOCATIONS, diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c index bc95a5eebd137c86ead416813434f9ecd906fe72..553c89b0bdcbbb3e7c4d394ba413ba39f0493e79 100644 --- a/drivers/acpi/arm64/iort.c +++ b/drivers/acpi/arm64/iort.c @@ -1373,9 +1373,17 @@ static void __init arm_smmu_v3_pmcg_init_resources(struct resource *res, res[0].start = pmcg->page0_base_address; res[0].end = pmcg->page0_base_address + SZ_4K - 1; res[0].flags = IORESOURCE_MEM; - res[1].start = pmcg->page1_base_address; - res[1].end = pmcg->page1_base_address + SZ_4K - 1; - res[1].flags = IORESOURCE_MEM; + /* + * The initial version in DEN0049C lacked a way to describe register + * page 1, which makes it broken for most PMCG implementations; in + * that case, just let the driver fail gracefully if it expects to + * find a second memory resource. + */ + if (node->revision > 0) { + res[1].start = pmcg->page1_base_address; + res[1].end = pmcg->page1_base_address + SZ_4K - 1; + res[1].flags = IORESOURCE_MEM; + } if (pmcg->overflow_gsiv) acpi_iort_register_irq(pmcg->overflow_gsiv, "overflow", diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 6e96ed68b3379feac9ae14dfc38564da41506ae3..4e0aea5f008e3f0b46746baf22615230954a9572 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -65,6 +65,7 @@ static int battery_bix_broken_package; static int battery_notification_delay_ms; static int battery_ac_is_broken; static int battery_check_pmic = 1; +static int battery_quirk_notcharging; static unsigned int cache_time = 1000; module_param(cache_time, uint, 0644); MODULE_PARM_DESC(cache_time, "cache time in milliseconds"); @@ -233,6 +234,8 @@ static int acpi_battery_get_property(struct power_supply *psy, val->intval = POWER_SUPPLY_STATUS_CHARGING; else if (acpi_battery_is_charged(battery)) val->intval = POWER_SUPPLY_STATUS_FULL; + else if (battery_quirk_notcharging) + val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING; else val->intval = POWER_SUPPLY_STATUS_UNKNOWN; break; @@ -1337,6 +1340,12 @@ battery_do_not_check_pmic_quirk(const struct dmi_system_id *d) return 0; } +static int __init battery_quirk_not_charging(const struct dmi_system_id *d) +{ + battery_quirk_notcharging = 1; + return 0; +} + static const struct dmi_system_id bat_dmi_table[] __initconst = { { /* NEC LZ750/LS */ @@ -1381,6 +1390,19 @@ static const struct dmi_system_id bat_dmi_table[] __initconst = { DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Lenovo MIIX 320-10ICR"), }, }, + { + /* + * On Lenovo ThinkPads the BIOS specification defines + * a state when the bits for charging and discharging + * are both set to 0. That state is "Not Charging". + */ + .callback = battery_quirk_not_charging, + .ident = "Lenovo ThinkPad", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad"), + }, + }, {}, }; diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 258a8df235cfbc9206118b177ae381eb3e7bffd3..ce9a570f217adb3b339f113d3a5004d7c4490a05 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -167,6 +167,7 @@ struct acpi_ec_query { struct transaction transaction; struct work_struct work; struct acpi_ec_query_handler *handler; + struct acpi_ec *ec; }; static int acpi_ec_query(struct acpi_ec *ec, u8 *data); @@ -462,6 +463,7 @@ static void acpi_ec_submit_query(struct acpi_ec *ec) ec_dbg_evt("Command(%s) submitted/blocked", acpi_ec_cmd_string(ACPI_EC_COMMAND_QUERY)); ec->nr_pending_queries++; + ec->events_in_progress++; queue_work(ec_wq, &ec->work); } } @@ -528,7 +530,7 @@ static void acpi_ec_enable_event(struct acpi_ec *ec) #ifdef CONFIG_PM_SLEEP static void __acpi_ec_flush_work(void) { - drain_workqueue(ec_wq); /* flush ec->work */ + flush_workqueue(ec_wq); /* flush ec->work */ flush_workqueue(ec_query_wq); /* flush queries */ } @@ -1119,7 +1121,7 @@ void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit) } EXPORT_SYMBOL_GPL(acpi_ec_remove_query_handler); -static struct acpi_ec_query *acpi_ec_create_query(u8 *pval) +static struct acpi_ec_query *acpi_ec_create_query(struct acpi_ec *ec, u8 *pval) { struct acpi_ec_query *q; struct transaction *t; @@ -1127,11 +1129,13 @@ static struct acpi_ec_query *acpi_ec_create_query(u8 *pval) q = kzalloc(sizeof (struct acpi_ec_query), GFP_KERNEL); if (!q) return NULL; + INIT_WORK(&q->work, acpi_ec_event_processor); t = &q->transaction; t->command = ACPI_EC_COMMAND_QUERY; t->rdata = pval; t->rlen = 1; + q->ec = ec; return q; } @@ -1148,13 +1152,21 @@ static void acpi_ec_event_processor(struct work_struct *work) { struct acpi_ec_query *q = container_of(work, struct acpi_ec_query, work); struct acpi_ec_query_handler *handler = q->handler; + struct acpi_ec *ec = q->ec; ec_dbg_evt("Query(0x%02x) started", handler->query_bit); + if (handler->func) handler->func(handler->data); else if (handler->handle) acpi_evaluate_object(handler->handle, NULL, NULL, NULL); + ec_dbg_evt("Query(0x%02x) stopped", handler->query_bit); + + spin_lock_irq(&ec->lock); + ec->queries_in_progress--; + spin_unlock_irq(&ec->lock); + acpi_ec_delete_query(q); } @@ -1164,7 +1176,7 @@ static int acpi_ec_query(struct acpi_ec *ec, u8 *data) int result; struct acpi_ec_query *q; - q = acpi_ec_create_query(&value); + q = acpi_ec_create_query(ec, &value); if (!q) return -ENOMEM; @@ -1186,19 +1198,20 @@ static int acpi_ec_query(struct acpi_ec *ec, u8 *data) } /* - * It is reported that _Qxx are evaluated in a parallel way on - * Windows: + * It is reported that _Qxx are evaluated in a parallel way on Windows: * https://bugzilla.kernel.org/show_bug.cgi?id=94411 * - * Put this log entry before schedule_work() in order to make - * it appearing before any other log entries occurred during the - * work queue execution. + * Put this log entry before queue_work() to make it appear in the log + * before any other messages emitted during workqueue handling. */ ec_dbg_evt("Query(0x%02x) scheduled", value); - if (!queue_work(ec_query_wq, &q->work)) { - ec_dbg_evt("Query(0x%02x) overlapped", value); - result = -EBUSY; - } + + spin_lock_irq(&ec->lock); + + ec->queries_in_progress++; + queue_work(ec_query_wq, &q->work); + + spin_unlock_irq(&ec->lock); err_exit: if (result) @@ -1256,6 +1269,10 @@ static void acpi_ec_event_handler(struct work_struct *work) ec_dbg_evt("Event stopped"); acpi_ec_check_event(ec); + + spin_lock_irqsave(&ec->lock, flags); + ec->events_in_progress--; + spin_unlock_irqrestore(&ec->lock, flags); } static u32 acpi_ec_gpe_handler(acpi_handle gpe_device, @@ -1972,6 +1989,7 @@ void acpi_ec_set_gpe_wake_mask(u8 action) bool acpi_ec_dispatch_gpe(void) { + bool work_in_progress; u32 ret; if (!first_ec) @@ -1984,6 +2002,16 @@ bool acpi_ec_dispatch_gpe(void) if (acpi_any_gpe_status_set(first_ec->gpe)) return true; + /* + * Cancel the SCI wakeup and process all pending events in case there + * are any wakeup ones in there. + * + * Note that if any non-EC GPEs are active at this point, the SCI will + * retrigger after the rearming in acpi_s2idle_wake(), so no events + * should be missed by canceling the wakeup here. + */ + pm_system_cancel_wakeup(); + /* * Dispatch the EC GPE in-band, but do not report wakeup in any case * to allow the caller to process events properly after that. @@ -1992,8 +2020,19 @@ bool acpi_ec_dispatch_gpe(void) if (ret == ACPI_INTERRUPT_HANDLED) pm_pr_dbg("EC GPE dispatched\n"); - /* Flush the event and query workqueues. */ - acpi_ec_flush_work(); + /* Drain EC work. */ + do { + acpi_ec_flush_work(); + + pm_pr_dbg("ACPI EC work flushed\n"); + + spin_lock_irq(&first_ec->lock); + + work_in_progress = first_ec->events_in_progress + + first_ec->queries_in_progress > 0; + + spin_unlock_irq(&first_ec->lock); + } while (work_in_progress && !pm_wakeup_pending()); return false; } diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h index 159c422601bc41c48a2905e9174e64f241093a3d..62b6b36f3a37cae8a7ada0fbadf6e6db7ada5488 100644 --- a/drivers/acpi/internal.h +++ b/drivers/acpi/internal.h @@ -183,6 +183,8 @@ struct acpi_ec { struct work_struct work; unsigned long timestamp; unsigned long nr_pending_queries; + unsigned int events_in_progress; + unsigned int queries_in_progress; bool busy_polling; unsigned int polling_guard; }; diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 95d119ff76b654b7e17d455ecad93a2740411b5d..5d4be80ee6cb404e92b019cd864a4620739f3315 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -1577,6 +1577,7 @@ static bool acpi_device_enumeration_by_parent(struct acpi_device *device) { struct list_head resource_list; bool is_serial_bus_slave = false; + static const struct acpi_device_id ignore_serial_bus_ids[] = { /* * These devices have multiple I2cSerialBus resources and an i2c-client * must be instantiated for each, each with its own i2c_device_id. @@ -1585,11 +1586,18 @@ static bool acpi_device_enumeration_by_parent(struct acpi_device *device) * drivers/platform/x86/i2c-multi-instantiate.c driver, which knows * which i2c_device_id to use for each resource. */ - static const struct acpi_device_id i2c_multi_instantiate_ids[] = { {"BSG1160", }, {"BSG2150", }, {"INT33FE", }, {"INT3515", }, + /* + * HIDs of device with an UartSerialBusV2 resource for which userspace + * expects a regular tty cdev to be created (instead of the in kernel + * serdev) and which have a kernel driver which expects a platform_dev + * such as the rfkill-gpio driver. + */ + {"BCM4752", }, + {"LNV4752", }, {} }; @@ -1603,8 +1611,7 @@ static bool acpi_device_enumeration_by_parent(struct acpi_device *device) fwnode_property_present(&device->fwnode, "baud"))) return true; - /* Instantiate a pdev for the i2c-multi-instantiate drv to bind to */ - if (!acpi_match_device_ids(device, i2c_multi_instantiate_ids)) + if (!acpi_match_device_ids(device, ignore_serial_bus_ids)) return false; INIT_LIST_HEAD(&resource_list); diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index d1b74179d21799bc363fe82079740ebbff76e08d..cd590b4793e09f80071a6687357eed5be1aeb73b 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -1003,19 +1003,13 @@ static bool acpi_s2idle_wake(void) if (acpi_check_wakeup_handlers()) return true; - /* Check non-EC GPE wakeups and dispatch the EC GPE. */ + /* + * Check non-EC GPE wakeups and if there are none, cancel the + * SCI-related wakeup and dispatch the EC GPE. + */ if (acpi_ec_dispatch_gpe()) return true; - /* - * Cancel the SCI wakeup and process all pending events in case - * there are any wakeup ones in there. - * - * Note that if any non-EC GPEs are active at this point, the - * SCI will retrigger after the rearming below, so no events - * should be missed by canceling the wakeup here. - */ - pm_system_cancel_wakeup(); acpi_os_wait_events_complete(); /* @@ -1027,6 +1021,7 @@ static bool acpi_s2idle_wake(void) if (pm_wakeup_pending()) return true; + pm_wakeup_clear(acpi_sci_irq); rearm_wake_irq(acpi_sci_irq); } diff --git a/drivers/android/binder.c b/drivers/android/binder.c index 3b64f35a1969aa675ad85927a348c0f77b253140..d42c1c13e0a11feb5874aeed37eb5ba6de29b41a 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -2391,8 +2391,8 @@ static int binder_translate_fd_array(struct binder_fd_array_object *fda, if (!ret) ret = binder_translate_fd(fd, offset, t, thread, in_reply_to); - if (ret < 0) - return ret; + if (ret) + return ret > 0 ? -EINVAL : ret; } return 0; } diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 8beb418ce167bae9e041c804ad4ff2f6655e03cc..6f572967b55529e232630e127591c1b2ac3470b2 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -420,6 +420,7 @@ static const struct pci_device_id ahci_pci_tbl[] = { /* AMD */ { PCI_VDEVICE(AMD, 0x7800), board_ahci }, /* AMD Hudson-2 */ { PCI_VDEVICE(AMD, 0x7900), board_ahci }, /* AMD CZ */ + { PCI_VDEVICE(AMD, 0x7901), board_ahci_mobile }, /* AMD Green Sardine */ /* AMD is using RAID class only for ahci controllers */ { PCI_VENDOR_ID_AMD, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_RAID << 8, 0xffffff, board_ahci }, diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index bed433fd9c70045966bbb74a88f76eee0f07f384..92fb1f5b240e8c31832eeac5296d833265e4f06d 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4437,6 +4437,8 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { { "VRFDFC22048UCHC-TE*", NULL, ATA_HORKAGE_NODMA }, /* Odd clown on sil3726/4726 PMPs */ { "Config Disk", NULL, ATA_HORKAGE_DISABLE }, + /* Similar story with ASMedia 1092 */ + { "ASMT109x- Config", NULL, ATA_HORKAGE_DISABLE }, /* Weird ATAPI devices */ { "TORiSAN DVD-ROM DRD-N216", NULL, ATA_HORKAGE_MAX_SEC_128 }, diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 464efedc778b05d61ebb1a66a5f9517a506359df..2b247014ba4527518b5251c12d9275a14ac05d15 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -3164,8 +3164,19 @@ static unsigned int ata_scsi_pass_thru(struct ata_queued_cmd *qc) goto invalid_fld; } - if (ata_is_ncq(tf->protocol) && (cdb[2 + cdb_offset] & 0x3) == 0) - tf->protocol = ATA_PROT_NCQ_NODATA; + if ((cdb[2 + cdb_offset] & 0x3) == 0) { + /* + * When T_LENGTH is zero (No data is transferred), dir should + * be DMA_NONE. + */ + if (scmd->sc_data_direction != DMA_NONE) { + fp = 2 + cdb_offset; + goto invalid_fld; + } + + if (ata_is_ncq(tf->protocol)) + tf->protocol = ATA_PROT_NCQ_NODATA; + } /* enable LBA */ tf->flags |= ATA_TFLAG_LBA; diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c index d55ee244d6931fcae2089dce4e3a07409685276d..0ba231e80b1911dd2a780440b15f944ca2ce04a5 100644 --- a/drivers/ata/sata_fsl.c +++ b/drivers/ata/sata_fsl.c @@ -1394,6 +1394,14 @@ static int sata_fsl_init_controller(struct ata_host *host) return 0; } +static void sata_fsl_host_stop(struct ata_host *host) +{ + struct sata_fsl_host_priv *host_priv = host->private_data; + + iounmap(host_priv->hcr_base); + kfree(host_priv); +} + /* * scsi mid-layer and libata interface structures */ @@ -1426,6 +1434,8 @@ static struct ata_port_operations sata_fsl_ops = { .port_start = sata_fsl_port_start, .port_stop = sata_fsl_port_stop, + .host_stop = sata_fsl_host_stop, + .pmp_attach = sata_fsl_pmp_attach, .pmp_detach = sata_fsl_pmp_detach, }; @@ -1480,9 +1490,9 @@ static int sata_fsl_probe(struct platform_device *ofdev) host_priv->ssr_base = ssr_base; host_priv->csr_base = csr_base; - irq = irq_of_parse_and_map(ofdev->dev.of_node, 0); - if (!irq) { - dev_err(&ofdev->dev, "invalid irq from platform\n"); + irq = platform_get_irq(ofdev, 0); + if (irq < 0) { + retval = irq; goto error_exit_with_cleanup; } host_priv->irq = irq; @@ -1557,10 +1567,6 @@ static int sata_fsl_remove(struct platform_device *ofdev) ata_host_detach(host); - irq_dispose_mapping(host_priv->irq); - iounmap(host_priv->hcr_base); - kfree(host_priv); - return 0; } diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c index 7171810b0da1eb1ca25b67ebec0343df4b260717..17f59fb7d80c8ea5cc9e2ab7b9f9be2b0aea9a72 100644 --- a/drivers/base/arch_topology.c +++ b/drivers/base/arch_topology.c @@ -76,7 +76,7 @@ static ssize_t cpu_capacity_show(struct device *dev, { struct cpu *cpu = container_of(dev, struct cpu, dev); - return sprintf(buf, "%lu\n", topology_get_cpu_scale(cpu->dev.id)); + return sysfs_emit(buf, "%lu\n", topology_get_cpu_scale(cpu->dev.id)); } static void update_topology_flags_workfn(struct work_struct *work); diff --git a/drivers/base/cacheinfo.c b/drivers/base/cacheinfo.c index 8d553c92cd3225761a78f113d8caf8a75988bdd6..6a8c2b5881be30307031339093c932bdcc74c7f4 100644 --- a/drivers/base/cacheinfo.c +++ b/drivers/base/cacheinfo.c @@ -377,7 +377,7 @@ static ssize_t size_show(struct device *dev, { struct cacheinfo *this_leaf = dev_get_drvdata(dev); - return sprintf(buf, "%uK\n", this_leaf->size >> 10); + return sysfs_emit(buf, "%uK\n", this_leaf->size >> 10); } static ssize_t shared_cpumap_show_func(struct device *dev, bool list, char *buf) @@ -407,11 +407,11 @@ static ssize_t type_show(struct device *dev, switch (this_leaf->type) { case CACHE_TYPE_DATA: - return sprintf(buf, "Data\n"); + return sysfs_emit(buf, "Data\n"); case CACHE_TYPE_INST: - return sprintf(buf, "Instruction\n"); + return sysfs_emit(buf, "Instruction\n"); case CACHE_TYPE_UNIFIED: - return sprintf(buf, "Unified\n"); + return sysfs_emit(buf, "Unified\n"); default: return -EINVAL; } @@ -425,11 +425,11 @@ static ssize_t allocation_policy_show(struct device *dev, int n = 0; if ((ci_attr & CACHE_READ_ALLOCATE) && (ci_attr & CACHE_WRITE_ALLOCATE)) - n = sprintf(buf, "ReadWriteAllocate\n"); + n = sysfs_emit(buf, "ReadWriteAllocate\n"); else if (ci_attr & CACHE_READ_ALLOCATE) - n = sprintf(buf, "ReadAllocate\n"); + n = sysfs_emit(buf, "ReadAllocate\n"); else if (ci_attr & CACHE_WRITE_ALLOCATE) - n = sprintf(buf, "WriteAllocate\n"); + n = sysfs_emit(buf, "WriteAllocate\n"); return n; } @@ -441,9 +441,9 @@ static ssize_t write_policy_show(struct device *dev, int n = 0; if (ci_attr & CACHE_WRITE_THROUGH) - n = sprintf(buf, "WriteThrough\n"); + n = sysfs_emit(buf, "WriteThrough\n"); else if (ci_attr & CACHE_WRITE_BACK) - n = sprintf(buf, "WriteBack\n"); + n = sysfs_emit(buf, "WriteBack\n"); return n; } diff --git a/drivers/base/core.c b/drivers/base/core.c index f0a71c35dea383f19e2d7d11806c8db0cd93081a..358785c509953cf5b888296ee9a957bf4a7c3122 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -1684,7 +1684,7 @@ ssize_t device_show_ulong(struct device *dev, char *buf) { struct dev_ext_attribute *ea = to_ext_attr(attr); - return snprintf(buf, PAGE_SIZE, "%lx\n", *(unsigned long *)(ea->var)); + return sysfs_emit(buf, "%lx\n", *(unsigned long *)(ea->var)); } EXPORT_SYMBOL_GPL(device_show_ulong); @@ -1714,7 +1714,7 @@ ssize_t device_show_int(struct device *dev, { struct dev_ext_attribute *ea = to_ext_attr(attr); - return snprintf(buf, PAGE_SIZE, "%d\n", *(int *)(ea->var)); + return sysfs_emit(buf, "%d\n", *(int *)(ea->var)); } EXPORT_SYMBOL_GPL(device_show_int); @@ -1735,7 +1735,7 @@ ssize_t device_show_bool(struct device *dev, struct device_attribute *attr, { struct dev_ext_attribute *ea = to_ext_attr(attr); - return snprintf(buf, PAGE_SIZE, "%d\n", *(bool *)(ea->var)); + return sysfs_emit(buf, "%d\n", *(bool *)(ea->var)); } EXPORT_SYMBOL_GPL(device_show_bool); @@ -1967,7 +1967,7 @@ static ssize_t online_show(struct device *dev, struct device_attribute *attr, device_lock(dev); val = !dev->offline; device_unlock(dev); - return sprintf(buf, "%u\n", val); + return sysfs_emit(buf, "%u\n", val); } static ssize_t online_store(struct device *dev, struct device_attribute *attr, diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c index f00da44ae6fe0caf8bdc724971571a929b15f2f9..81ec0a1020d606b6eb8dea4a92f1c50a1f03cf40 100644 --- a/drivers/base/cpu.c +++ b/drivers/base/cpu.c @@ -156,7 +156,7 @@ static ssize_t show_crash_notes(struct device *dev, struct device_attribute *att * operation should be safe. No locking required. */ addr = per_cpu_ptr_to_phys(per_cpu_ptr(crash_notes, cpunum)); - rc = sprintf(buf, "%Lx\n", addr); + rc = sysfs_emit(buf, "%Lx\n", addr); return rc; } static DEVICE_ATTR(crash_notes, 0400, show_crash_notes, NULL); @@ -167,7 +167,7 @@ static ssize_t show_crash_notes_size(struct device *dev, { ssize_t rc; - rc = sprintf(buf, "%zu\n", sizeof(note_buf_t)); + rc = sysfs_emit(buf, "%zu\n", sizeof(note_buf_t)); return rc; } static DEVICE_ATTR(crash_notes_size, 0400, show_crash_notes_size, NULL); @@ -231,8 +231,7 @@ static struct cpu_attr cpu_attrs[] = { static ssize_t print_cpus_kernel_max(struct device *dev, struct device_attribute *attr, char *buf) { - int n = snprintf(buf, PAGE_SIZE-2, "%d\n", NR_CPUS - 1); - return n; + return sprintf(buf, "%d\n", NR_CPUS - 1); } static DEVICE_ATTR(kernel_max, 0444, print_cpus_kernel_max, NULL); @@ -272,7 +271,7 @@ static DEVICE_ATTR(offline, 0444, print_cpus_offline, NULL); static ssize_t print_cpus_isolated(struct device *dev, struct device_attribute *attr, char *buf) { - int n = 0, len = PAGE_SIZE-2; + int n; cpumask_var_t isolated; if (!alloc_cpumask_var(&isolated, GFP_KERNEL)) @@ -280,7 +279,7 @@ static ssize_t print_cpus_isolated(struct device *dev, cpumask_andnot(isolated, cpu_possible_mask, housekeeping_cpumask(HK_FLAG_DOMAIN)); - n = scnprintf(buf, len, "%*pbl\n", cpumask_pr_args(isolated)); + n = sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(isolated)); free_cpumask_var(isolated); @@ -292,11 +291,7 @@ static DEVICE_ATTR(isolated, 0444, print_cpus_isolated, NULL); static ssize_t print_cpus_nohz_full(struct device *dev, struct device_attribute *attr, char *buf) { - int n = 0, len = PAGE_SIZE-2; - - n = scnprintf(buf, len, "%*pbl\n", cpumask_pr_args(tick_nohz_full_mask)); - - return n; + return sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(tick_nohz_full_mask)); } static DEVICE_ATTR(nohz_full, 0444, print_cpus_nohz_full, NULL); #endif @@ -328,8 +323,8 @@ static ssize_t print_cpu_modalias(struct device *dev, ssize_t n; u32 i; - n = sprintf(buf, "cpu:type:" CPU_FEATURE_TYPEFMT ":feature:", - CPU_FEATURE_TYPEVAL); + n = sysfs_emit(buf, "cpu:type:" CPU_FEATURE_TYPEFMT ":feature:", + CPU_FEATURE_TYPEVAL); for (i = 0; i < MAX_CPU_FEATURES; i++) if (cpu_have_feature(i)) { @@ -521,56 +516,56 @@ static void __init cpu_dev_register_generic(void) ssize_t __weak cpu_show_meltdown(struct device *dev, struct device_attribute *attr, char *buf) { - return sprintf(buf, "Not affected\n"); + return sysfs_emit(buf, "Not affected\n"); } ssize_t __weak cpu_show_spectre_v1(struct device *dev, struct device_attribute *attr, char *buf) { - return sprintf(buf, "Not affected\n"); + return sysfs_emit(buf, "Not affected\n"); } ssize_t __weak cpu_show_spectre_v2(struct device *dev, struct device_attribute *attr, char *buf) { - return sprintf(buf, "Not affected\n"); + return sysfs_emit(buf, "Not affected\n"); } ssize_t __weak cpu_show_spec_store_bypass(struct device *dev, struct device_attribute *attr, char *buf) { - return sprintf(buf, "Not affected\n"); + return sysfs_emit(buf, "Not affected\n"); } ssize_t __weak cpu_show_l1tf(struct device *dev, struct device_attribute *attr, char *buf) { - return sprintf(buf, "Not affected\n"); + return sysfs_emit(buf, "Not affected\n"); } ssize_t __weak cpu_show_mds(struct device *dev, struct device_attribute *attr, char *buf) { - return sprintf(buf, "Not affected\n"); + return sysfs_emit(buf, "Not affected\n"); } ssize_t __weak cpu_show_tsx_async_abort(struct device *dev, struct device_attribute *attr, char *buf) { - return sprintf(buf, "Not affected\n"); + return sysfs_emit(buf, "Not affected\n"); } ssize_t __weak cpu_show_itlb_multihit(struct device *dev, struct device_attribute *attr, char *buf) { - return sprintf(buf, "Not affected\n"); + return sysfs_emit(buf, "Not affected\n"); } ssize_t __weak cpu_show_srbds(struct device *dev, struct device_attribute *attr, char *buf) { - return sprintf(buf, "Not affected\n"); + return sysfs_emit(buf, "Not affected\n"); } static DEVICE_ATTR(meltdown, 0444, cpu_show_meltdown, NULL); diff --git a/drivers/base/devtmpfs.c b/drivers/base/devtmpfs.c index 30d0523014e0d49e0ac6e16880a7bb08ecfbef27..5e9b00711357b0a93e2e77f5a08afac44e2c1005 100644 --- a/drivers/base/devtmpfs.c +++ b/drivers/base/devtmpfs.c @@ -25,6 +25,7 @@ #include #include #include +#include #include #include "base.h" @@ -62,8 +63,15 @@ static struct dentry *public_dev_mount(struct file_system_type *fs_type, int fla const char *dev_name, void *data) { struct super_block *s = mnt->mnt_sb; + int err; + atomic_inc(&s->s_active); down_write(&s->s_umount); + err = reconfigure_single(s, flags, data); + if (err < 0) { + deactivate_locked_super(s); + return ERR_PTR(err); + } return dget(s->s_root); } diff --git a/drivers/base/firmware_loader/fallback.c b/drivers/base/firmware_loader/fallback.c index 5f3e5d83725903008d46fb269e744df77ee02ee2..19d18afb30864d1b6bda345dece834452d315d31 100644 --- a/drivers/base/firmware_loader/fallback.c +++ b/drivers/base/firmware_loader/fallback.c @@ -215,7 +215,7 @@ static ssize_t firmware_loading_show(struct device *dev, loading = fw_sysfs_loading(fw_sysfs->fw_priv); mutex_unlock(&fw_lock); - return sprintf(buf, "%d\n", loading); + return sysfs_emit(buf, "%d\n", loading); } /** diff --git a/drivers/base/firmware_loader/main.c b/drivers/base/firmware_loader/main.c index 8acd018dbef964ede688a883a3066d8bfff7bc23..f313e4f390bbe8045fe8ce066193e90e4d771cb4 100644 --- a/drivers/base/firmware_loader/main.c +++ b/drivers/base/firmware_loader/main.c @@ -98,12 +98,15 @@ static struct firmware_cache fw_cache; extern struct builtin_fw __start_builtin_fw[]; extern struct builtin_fw __end_builtin_fw[]; -static void fw_copy_to_prealloc_buf(struct firmware *fw, +static bool fw_copy_to_prealloc_buf(struct firmware *fw, void *buf, size_t size) { - if (!buf || size < fw->size) - return; + if (!buf) + return true; + if (size < fw->size) + return false; memcpy(buf, fw->data, fw->size); + return true; } static bool fw_get_builtin_firmware(struct firmware *fw, const char *name, @@ -115,9 +118,7 @@ static bool fw_get_builtin_firmware(struct firmware *fw, const char *name, if (strcmp(name, b_fw->name) == 0) { fw->size = b_fw->size; fw->data = b_fw->data; - fw_copy_to_prealloc_buf(fw, buf, size); - - return true; + return fw_copy_to_prealloc_buf(fw, buf, size); } } diff --git a/drivers/base/memory.c b/drivers/base/memory.c index 5a8c430fb8ffa71601f135c854a1ad20e50079d4..729e93e0c1c13515f0fac5d0755c59233763b2bc 100644 --- a/drivers/base/memory.c +++ b/drivers/base/memory.c @@ -110,7 +110,7 @@ static ssize_t phys_index_show(struct device *dev, unsigned long phys_index; phys_index = mem->start_section_nr / sections_per_block; - return sprintf(buf, "%08lx\n", phys_index); + return sysfs_emit(buf, "%08lx\n", phys_index); } /* @@ -120,7 +120,7 @@ static ssize_t phys_index_show(struct device *dev, static ssize_t removable_show(struct device *dev, struct device_attribute *attr, char *buf) { - return sprintf(buf, "%d\n", (int)IS_ENABLED(CONFIG_MEMORY_HOTREMOVE)); + return sysfs_emit(buf, "%d\n", (int)IS_ENABLED(CONFIG_MEMORY_HOTREMOVE)); } /* @@ -138,17 +138,17 @@ static ssize_t state_show(struct device *dev, struct device_attribute *attr, */ switch (mem->state) { case MEM_ONLINE: - len = sprintf(buf, "online\n"); + len = sysfs_emit(buf, "online\n"); break; case MEM_OFFLINE: - len = sprintf(buf, "offline\n"); + len = sysfs_emit(buf, "offline\n"); break; case MEM_GOING_OFFLINE: - len = sprintf(buf, "going-offline\n"); + len = sysfs_emit(buf, "going-offline\n"); break; default: - len = sprintf(buf, "ERROR-UNKNOWN-%ld\n", - mem->state); + len = sysfs_emit(buf, "ERROR-UNKNOWN-%ld\n", + mem->state); WARN_ON(1); break; } @@ -358,7 +358,7 @@ static ssize_t phys_device_show(struct device *dev, struct device_attribute *attr, char *buf) { struct memory_block *mem = to_memory_block(dev); - return sprintf(buf, "%d\n", mem->phys_device); + return sysfs_emit(buf, "%d\n", mem->phys_device); } #ifdef CONFIG_MEMORY_HOTREMOVE @@ -396,7 +396,7 @@ static ssize_t valid_zones_show(struct device *dev, */ if (!test_pages_in_a_zone(start_pfn, start_pfn + nr_pages, &valid_start_pfn, &valid_end_pfn)) - return sprintf(buf, "none\n"); + return sysfs_emit(buf, "none\n"); start_pfn = valid_start_pfn; strcat(buf, page_zone(pfn_to_page(start_pfn))->name); goto out; @@ -429,7 +429,7 @@ static DEVICE_ATTR_RO(removable); static ssize_t block_size_bytes_show(struct device *dev, struct device_attribute *attr, char *buf) { - return sprintf(buf, "%lx\n", memory_block_size_bytes()); + return sysfs_emit(buf, "%lx\n", memory_block_size_bytes()); } static DEVICE_ATTR_RO(block_size_bytes); @@ -442,9 +442,9 @@ static ssize_t auto_online_blocks_show(struct device *dev, struct device_attribute *attr, char *buf) { if (memhp_auto_online) - return sprintf(buf, "online\n"); + return sysfs_emit(buf, "online\n"); else - return sprintf(buf, "offline\n"); + return sysfs_emit(buf, "offline\n"); } static ssize_t auto_online_blocks_store(struct device *dev, diff --git a/drivers/base/node.c b/drivers/base/node.c index d15bf1610166ef8b499dab7993d8403ed261e9e2..91fd7e6313d723a91732223a55836f69df067b9c 100644 --- a/drivers/base/node.c +++ b/drivers/base/node.c @@ -368,7 +368,7 @@ static ssize_t node_read_meminfo(struct device *dev, si_meminfo_node(&i, nid); sreclaimable = node_page_state(pgdat, NR_SLAB_RECLAIMABLE); sunreclaimable = node_page_state(pgdat, NR_SLAB_UNRECLAIMABLE); - n = sprintf(buf, + n = sysfs_emit(buf, "Node %d MemTotal: %8lu kB\n" "Node %d MemFree: %8lu kB\n" "Node %d MemUsed: %8lu kB\n" @@ -475,19 +475,19 @@ static DEVICE_ATTR(meminfo, S_IRUGO, node_read_meminfo, NULL); static ssize_t node_read_numastat(struct device *dev, struct device_attribute *attr, char *buf) { - return sprintf(buf, - "numa_hit %lu\n" - "numa_miss %lu\n" - "numa_foreign %lu\n" - "interleave_hit %lu\n" - "local_node %lu\n" - "other_node %lu\n", - sum_zone_numa_state(dev->id, NUMA_HIT), - sum_zone_numa_state(dev->id, NUMA_MISS), - sum_zone_numa_state(dev->id, NUMA_FOREIGN), - sum_zone_numa_state(dev->id, NUMA_INTERLEAVE_HIT), - sum_zone_numa_state(dev->id, NUMA_LOCAL), - sum_zone_numa_state(dev->id, NUMA_OTHER)); + return sysfs_emit(buf, + "numa_hit %lu\n" + "numa_miss %lu\n" + "numa_foreign %lu\n" + "interleave_hit %lu\n" + "local_node %lu\n" + "other_node %lu\n", + sum_zone_numa_state(dev->id, NUMA_HIT), + sum_zone_numa_state(dev->id, NUMA_MISS), + sum_zone_numa_state(dev->id, NUMA_FOREIGN), + sum_zone_numa_state(dev->id, NUMA_INTERLEAVE_HIT), + sum_zone_numa_state(dev->id, NUMA_LOCAL), + sum_zone_numa_state(dev->id, NUMA_OTHER)); } static DEVICE_ATTR(numastat, S_IRUGO, node_read_numastat, NULL); diff --git a/drivers/base/platform.c b/drivers/base/platform.c index 0b67d41bab8ff182b633ed14724b82cbd638b1ca..75623b914b8c2f650aca15d316d9b6a873342db3 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -1009,7 +1009,7 @@ static ssize_t driver_override_show(struct device *dev, ssize_t len; device_lock(dev); - len = sprintf(buf, "%s\n", pdev->driver_override); + len = sysfs_emit(buf, "%s\n", pdev->driver_override); device_unlock(dev); return len; } diff --git a/drivers/base/power/sysfs.c b/drivers/base/power/sysfs.c index d7d82db2e4bc401fb5a35c8eaa11090aa39ce01a..2786962e08107e8f0135d0a3f2991623c71380cf 100644 --- a/drivers/base/power/sysfs.c +++ b/drivers/base/power/sysfs.c @@ -100,7 +100,7 @@ static const char ctrl_on[] = "on"; static ssize_t control_show(struct device *dev, struct device_attribute *attr, char *buf) { - return sprintf(buf, "%s\n", + return sysfs_emit(buf, "%s\n", dev->power.runtime_auto ? ctrl_auto : ctrl_on); } @@ -126,7 +126,7 @@ static ssize_t runtime_active_time_show(struct device *dev, int ret; u64 tmp = pm_runtime_active_time(dev); do_div(tmp, NSEC_PER_MSEC); - ret = sprintf(buf, "%llu\n", tmp); + ret = sysfs_emit(buf, "%llu\n", tmp); return ret; } @@ -138,7 +138,7 @@ static ssize_t runtime_suspended_time_show(struct device *dev, int ret; u64 tmp = pm_runtime_suspended_time(dev); do_div(tmp, NSEC_PER_MSEC); - ret = sprintf(buf, "%llu\n", tmp); + ret = sysfs_emit(buf, "%llu\n", tmp); return ret; } @@ -171,7 +171,7 @@ static ssize_t runtime_status_show(struct device *dev, return -EIO; } } - return sprintf(buf, p); + return sysfs_emit(buf, p); } static DEVICE_ATTR_RO(runtime_status); @@ -181,7 +181,7 @@ static ssize_t autosuspend_delay_ms_show(struct device *dev, { if (!dev->power.use_autosuspend) return -EIO; - return sprintf(buf, "%d\n", dev->power.autosuspend_delay); + return sysfs_emit(buf, "%d\n", dev->power.autosuspend_delay); } static ssize_t autosuspend_delay_ms_store(struct device *dev, @@ -210,11 +210,11 @@ static ssize_t pm_qos_resume_latency_us_show(struct device *dev, s32 value = dev_pm_qos_requested_resume_latency(dev); if (value == 0) - return sprintf(buf, "n/a\n"); + return sysfs_emit(buf, "n/a\n"); if (value == PM_QOS_RESUME_LATENCY_NO_CONSTRAINT) value = 0; - return sprintf(buf, "%d\n", value); + return sysfs_emit(buf, "%d\n", value); } static ssize_t pm_qos_resume_latency_us_store(struct device *dev, @@ -254,11 +254,11 @@ static ssize_t pm_qos_latency_tolerance_us_show(struct device *dev, s32 value = dev_pm_qos_get_user_latency_tolerance(dev); if (value < 0) - return sprintf(buf, "auto\n"); + return sysfs_emit(buf, "auto\n"); if (value == PM_QOS_LATENCY_ANY) - return sprintf(buf, "any\n"); + return sysfs_emit(buf, "any\n"); - return sprintf(buf, "%d\n", value); + return sysfs_emit(buf, "%d\n", value); } static ssize_t pm_qos_latency_tolerance_us_store(struct device *dev, @@ -290,8 +290,8 @@ static ssize_t pm_qos_no_power_off_show(struct device *dev, struct device_attribute *attr, char *buf) { - return sprintf(buf, "%d\n", !!(dev_pm_qos_requested_flags(dev) - & PM_QOS_FLAG_NO_POWER_OFF)); + return sysfs_emit(buf, "%d\n", !!(dev_pm_qos_requested_flags(dev) + & PM_QOS_FLAG_NO_POWER_OFF)); } static ssize_t pm_qos_no_power_off_store(struct device *dev, @@ -319,9 +319,9 @@ static const char _disabled[] = "disabled"; static ssize_t wakeup_show(struct device *dev, struct device_attribute *attr, char *buf) { - return sprintf(buf, "%s\n", device_can_wakeup(dev) - ? (device_may_wakeup(dev) ? _enabled : _disabled) - : ""); + return sysfs_emit(buf, "%s\n", device_can_wakeup(dev) + ? (device_may_wakeup(dev) ? _enabled : _disabled) + : ""); } static ssize_t wakeup_store(struct device *dev, struct device_attribute *attr, @@ -507,7 +507,7 @@ static DEVICE_ATTR_RO(wakeup_prevent_sleep_time_ms); static ssize_t runtime_usage_show(struct device *dev, struct device_attribute *attr, char *buf) { - return sprintf(buf, "%d\n", atomic_read(&dev->power.usage_count)); + return sysfs_emit(buf, "%d\n", atomic_read(&dev->power.usage_count)); } static DEVICE_ATTR_RO(runtime_usage); @@ -515,8 +515,8 @@ static ssize_t runtime_active_kids_show(struct device *dev, struct device_attribute *attr, char *buf) { - return sprintf(buf, "%d\n", dev->power.ignore_children ? - 0 : atomic_read(&dev->power.child_count)); + return sysfs_emit(buf, "%d\n", dev->power.ignore_children ? + 0 : atomic_read(&dev->power.child_count)); } static DEVICE_ATTR_RO(runtime_active_kids); @@ -524,12 +524,12 @@ static ssize_t runtime_enabled_show(struct device *dev, struct device_attribute *attr, char *buf) { if (dev->power.disable_depth && (dev->power.runtime_auto == false)) - return sprintf(buf, "disabled & forbidden\n"); + return sysfs_emit(buf, "disabled & forbidden\n"); if (dev->power.disable_depth) - return sprintf(buf, "disabled\n"); + return sysfs_emit(buf, "disabled\n"); if (dev->power.runtime_auto == false) - return sprintf(buf, "forbidden\n"); - return sprintf(buf, "enabled\n"); + return sysfs_emit(buf, "forbidden\n"); + return sysfs_emit(buf, "enabled\n"); } static DEVICE_ATTR_RO(runtime_enabled); @@ -537,9 +537,9 @@ static DEVICE_ATTR_RO(runtime_enabled); static ssize_t async_show(struct device *dev, struct device_attribute *attr, char *buf) { - return sprintf(buf, "%s\n", - device_async_suspend_enabled(dev) ? - _enabled : _disabled); + return sysfs_emit(buf, "%s\n", + device_async_suspend_enabled(dev) ? + _enabled : _disabled); } static ssize_t async_store(struct device *dev, struct device_attribute *attr, diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c index ffda3dad256a7c58e5ed72e4b6131c71d6465d76..6d20b22906a0e5440703eac59a54314da888622a 100644 --- a/drivers/base/power/wakeup.c +++ b/drivers/base/power/wakeup.c @@ -34,7 +34,8 @@ suspend_state_t pm_suspend_target_state; bool events_check_enabled __read_mostly; /* First wakeup IRQ seen by the kernel in the last cycle. */ -unsigned int pm_wakeup_irq __read_mostly; +static unsigned int wakeup_irq[2] __read_mostly; +static DEFINE_RAW_SPINLOCK(wakeup_irq_lock); /* If greater than 0 and the system is suspending, terminate the suspend. */ static atomic_t pm_abort_suspend __read_mostly; @@ -924,16 +925,39 @@ void pm_system_cancel_wakeup(void) } EXPORT_SYMBOL_GPL(pm_system_cancel_wakeup); -void pm_wakeup_clear(bool reset) +void pm_wakeup_clear(unsigned int irq_number) { - pm_wakeup_irq = 0; - if (reset) + raw_spin_lock_irq(&wakeup_irq_lock); + + if (irq_number && wakeup_irq[0] == irq_number) + wakeup_irq[0] = wakeup_irq[1]; + else + wakeup_irq[0] = 0; + + wakeup_irq[1] = 0; + + raw_spin_unlock_irq(&wakeup_irq_lock); + + if (!irq_number) atomic_set(&pm_abort_suspend, 0); } void pm_system_irq_wakeup(unsigned int irq_number) { - if (pm_wakeup_irq == 0) { + unsigned long flags; + + raw_spin_lock_irqsave(&wakeup_irq_lock, flags); + + if (wakeup_irq[0] == 0) + wakeup_irq[0] = irq_number; + else if (wakeup_irq[1] == 0) + wakeup_irq[1] = irq_number; + else + irq_number = 0; + + raw_spin_unlock_irqrestore(&wakeup_irq_lock, flags); + + if (irq_number) { struct irq_desc *desc; const char *name = "null"; @@ -946,11 +970,15 @@ void pm_system_irq_wakeup(unsigned int irq_number) log_irq_wakeup_reason(irq_number); pr_warn("%s: %d triggered %s\n", __func__, irq_number, name); - pm_wakeup_irq = irq_number; pm_system_wakeup(); } } +unsigned int pm_wakeup_irq(void) +{ + return wakeup_irq[0]; +} + /** * pm_get_wakeup_count - Read the number of registered wakeup events. * @count: Address to store the value at. diff --git a/drivers/base/soc.c b/drivers/base/soc.c index 4af11a423475e5bb818d3b36b2410e25861b786a..9f4275ccec4f7d34e617604330be9504daf80628 100644 --- a/drivers/base/soc.c +++ b/drivers/base/soc.c @@ -76,15 +76,15 @@ static ssize_t soc_info_get(struct device *dev, struct soc_device *soc_dev = container_of(dev, struct soc_device, dev); if (attr == &dev_attr_machine) - return sprintf(buf, "%s\n", soc_dev->attr->machine); + return sysfs_emit(buf, "%s\n", soc_dev->attr->machine); if (attr == &dev_attr_family) - return sprintf(buf, "%s\n", soc_dev->attr->family); + return sysfs_emit(buf, "%s\n", soc_dev->attr->family); if (attr == &dev_attr_revision) - return sprintf(buf, "%s\n", soc_dev->attr->revision); + return sysfs_emit(buf, "%s\n", soc_dev->attr->revision); if (attr == &dev_attr_serial_number) - return sprintf(buf, "%s\n", soc_dev->attr->serial_number); + return sysfs_emit(buf, "%s\n", soc_dev->attr->serial_number); if (attr == &dev_attr_soc_id) - return sprintf(buf, "%s\n", soc_dev->attr->soc_id); + return sysfs_emit(buf, "%s\n", soc_dev->attr->soc_id); return -EINVAL; diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index ac97a1e2e5ddc13f6700195ac9211a8e6a4e05b3..02af4f109e59f4049c695b889c737ba2efd1b066 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -1003,7 +1003,7 @@ static DECLARE_DELAYED_WORK(fd_timer, fd_timer_workfn); static void cancel_activity(void) { do_floppy = NULL; - cancel_delayed_work_sync(&fd_timer); + cancel_delayed_work(&fd_timer); cancel_work_sync(&floppy_work); } @@ -3112,6 +3112,8 @@ static void raw_cmd_free(struct floppy_raw_cmd **ptr) } } +#define MAX_LEN (1UL << MAX_ORDER << PAGE_SHIFT) + static int raw_cmd_copyin(int cmd, void __user *param, struct floppy_raw_cmd **rcmd) { @@ -3149,7 +3151,7 @@ static int raw_cmd_copyin(int cmd, void __user *param, ptr->resultcode = 0; if (ptr->flags & (FD_RAW_READ | FD_RAW_WRITE)) { - if (ptr->length <= 0) + if (ptr->length <= 0 || ptr->length >= MAX_LEN) return -EINVAL; ptr->kernel_data = (char *)fd_dma_mem_alloc(ptr->length); fallback_on_nodma_alloc(&ptr->kernel_data, ptr->length); diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index def41e1bd7364da243994eb37d6ccc5d353562d8..774af5ce70dad9a43b173fa1cf7698da835fd862 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -80,6 +80,7 @@ enum blkif_state { BLKIF_STATE_DISCONNECTED, BLKIF_STATE_CONNECTED, BLKIF_STATE_SUSPENDED, + BLKIF_STATE_ERROR, }; struct grant { @@ -89,6 +90,7 @@ struct grant { }; enum blk_req_status { + REQ_PROCESSING, REQ_WAITING, REQ_DONE, REQ_ERROR, @@ -533,10 +535,10 @@ static unsigned long blkif_ring_get_request(struct blkfront_ring_info *rinfo, id = get_id_from_freelist(rinfo); rinfo->shadow[id].request = req; - rinfo->shadow[id].status = REQ_WAITING; + rinfo->shadow[id].status = REQ_PROCESSING; rinfo->shadow[id].associated_id = NO_ASSOCIATED_ID; - (*ring_req)->u.rw.id = id; + rinfo->shadow[id].req.u.rw.id = id; return id; } @@ -544,11 +546,12 @@ static unsigned long blkif_ring_get_request(struct blkfront_ring_info *rinfo, static int blkif_queue_discard_req(struct request *req, struct blkfront_ring_info *rinfo) { struct blkfront_info *info = rinfo->dev_info; - struct blkif_request *ring_req; + struct blkif_request *ring_req, *final_ring_req; unsigned long id; /* Fill out a communications ring structure. */ - id = blkif_ring_get_request(rinfo, req, &ring_req); + id = blkif_ring_get_request(rinfo, req, &final_ring_req); + ring_req = &rinfo->shadow[id].req; ring_req->operation = BLKIF_OP_DISCARD; ring_req->u.discard.nr_sectors = blk_rq_sectors(req); @@ -559,8 +562,9 @@ static int blkif_queue_discard_req(struct request *req, struct blkfront_ring_inf else ring_req->u.discard.flag = 0; - /* Keep a private copy so we can reissue requests when recovering. */ - rinfo->shadow[id].req = *ring_req; + /* Copy the request to the ring page. */ + *final_ring_req = *ring_req; + rinfo->shadow[id].status = REQ_WAITING; return 0; } @@ -693,6 +697,7 @@ static int blkif_queue_rw_req(struct request *req, struct blkfront_ring_info *ri { struct blkfront_info *info = rinfo->dev_info; struct blkif_request *ring_req, *extra_ring_req = NULL; + struct blkif_request *final_ring_req, *final_extra_ring_req = NULL; unsigned long id, extra_id = NO_ASSOCIATED_ID; bool require_extra_req = false; int i; @@ -737,7 +742,8 @@ static int blkif_queue_rw_req(struct request *req, struct blkfront_ring_info *ri } /* Fill out a communications ring structure. */ - id = blkif_ring_get_request(rinfo, req, &ring_req); + id = blkif_ring_get_request(rinfo, req, &final_ring_req); + ring_req = &rinfo->shadow[id].req; num_sg = blk_rq_map_sg(req->q, req, rinfo->shadow[id].sg); num_grant = 0; @@ -788,7 +794,9 @@ static int blkif_queue_rw_req(struct request *req, struct blkfront_ring_info *ri ring_req->u.rw.nr_segments = num_grant; if (unlikely(require_extra_req)) { extra_id = blkif_ring_get_request(rinfo, req, - &extra_ring_req); + &final_extra_ring_req); + extra_ring_req = &rinfo->shadow[extra_id].req; + /* * Only the first request contains the scatter-gather * list. @@ -830,10 +838,13 @@ static int blkif_queue_rw_req(struct request *req, struct blkfront_ring_info *ri if (setup.segments) kunmap_atomic(setup.segments); - /* Keep a private copy so we can reissue requests when recovering. */ - rinfo->shadow[id].req = *ring_req; - if (unlikely(require_extra_req)) - rinfo->shadow[extra_id].req = *extra_ring_req; + /* Copy request(s) to the ring page. */ + *final_ring_req = *ring_req; + rinfo->shadow[id].status = REQ_WAITING; + if (unlikely(require_extra_req)) { + *final_extra_ring_req = *extra_ring_req; + rinfo->shadow[extra_id].status = REQ_WAITING; + } if (new_persistent_gnts) gnttab_free_grant_references(setup.gref_head); @@ -1407,8 +1418,8 @@ static enum blk_req_status blkif_rsp_to_req_status(int rsp) static int blkif_get_final_status(enum blk_req_status s1, enum blk_req_status s2) { - BUG_ON(s1 == REQ_WAITING); - BUG_ON(s2 == REQ_WAITING); + BUG_ON(s1 < REQ_DONE); + BUG_ON(s2 < REQ_DONE); if (s1 == REQ_ERROR || s2 == REQ_ERROR) return BLKIF_RSP_ERROR; @@ -1441,7 +1452,7 @@ static bool blkif_completion(unsigned long *id, s->status = blkif_rsp_to_req_status(bret->status); /* Wait the second response if not yet here. */ - if (s2->status == REQ_WAITING) + if (s2->status < REQ_DONE) return false; bret->status = blkif_get_final_status(s->status, @@ -1549,65 +1560,92 @@ static bool blkif_completion(unsigned long *id, static irqreturn_t blkif_interrupt(int irq, void *dev_id) { struct request *req; - struct blkif_response *bret; + struct blkif_response bret; RING_IDX i, rp; unsigned long flags; struct blkfront_ring_info *rinfo = (struct blkfront_ring_info *)dev_id; struct blkfront_info *info = rinfo->dev_info; + unsigned int eoiflag = XEN_EOI_FLAG_SPURIOUS; - if (unlikely(info->connected != BLKIF_STATE_CONNECTED)) + if (unlikely(info->connected != BLKIF_STATE_CONNECTED)) { + xen_irq_lateeoi(irq, XEN_EOI_FLAG_SPURIOUS); return IRQ_HANDLED; + } spin_lock_irqsave(&rinfo->ring_lock, flags); again: - rp = rinfo->ring.sring->rsp_prod; - rmb(); /* Ensure we see queued responses up to 'rp'. */ + rp = READ_ONCE(rinfo->ring.sring->rsp_prod); + virt_rmb(); /* Ensure we see queued responses up to 'rp'. */ + if (RING_RESPONSE_PROD_OVERFLOW(&rinfo->ring, rp)) { + pr_alert("%s: illegal number of responses %u\n", + info->gd->disk_name, rp - rinfo->ring.rsp_cons); + goto err; + } for (i = rinfo->ring.rsp_cons; i != rp; i++) { unsigned long id; + unsigned int op; + + eoiflag = 0; + + RING_COPY_RESPONSE(&rinfo->ring, i, &bret); + id = bret.id; - bret = RING_GET_RESPONSE(&rinfo->ring, i); - id = bret->id; /* * The backend has messed up and given us an id that we would * never have given to it (we stamp it up to BLK_RING_SIZE - * look in get_id_from_freelist. */ if (id >= BLK_RING_SIZE(info)) { - WARN(1, "%s: response to %s has incorrect id (%ld)\n", - info->gd->disk_name, op_name(bret->operation), id); - /* We can't safely get the 'struct request' as - * the id is busted. */ - continue; + pr_alert("%s: response has incorrect id (%ld)\n", + info->gd->disk_name, id); + goto err; } + if (rinfo->shadow[id].status != REQ_WAITING) { + pr_alert("%s: response references no pending request\n", + info->gd->disk_name); + goto err; + } + + rinfo->shadow[id].status = REQ_PROCESSING; req = rinfo->shadow[id].request; - if (bret->operation != BLKIF_OP_DISCARD) { + op = rinfo->shadow[id].req.operation; + if (op == BLKIF_OP_INDIRECT) + op = rinfo->shadow[id].req.u.indirect.indirect_op; + if (bret.operation != op) { + pr_alert("%s: response has wrong operation (%u instead of %u)\n", + info->gd->disk_name, bret.operation, op); + goto err; + } + + if (bret.operation != BLKIF_OP_DISCARD) { /* * We may need to wait for an extra response if the * I/O request is split in 2 */ - if (!blkif_completion(&id, rinfo, bret)) + if (!blkif_completion(&id, rinfo, &bret)) continue; } if (add_id_to_freelist(rinfo, id)) { WARN(1, "%s: response to %s (id %ld) couldn't be recycled!\n", - info->gd->disk_name, op_name(bret->operation), id); + info->gd->disk_name, op_name(bret.operation), id); continue; } - if (bret->status == BLKIF_RSP_OKAY) + if (bret.status == BLKIF_RSP_OKAY) blkif_req(req)->error = BLK_STS_OK; else blkif_req(req)->error = BLK_STS_IOERR; - switch (bret->operation) { + switch (bret.operation) { case BLKIF_OP_DISCARD: - if (unlikely(bret->status == BLKIF_RSP_EOPNOTSUPP)) { + if (unlikely(bret.status == BLKIF_RSP_EOPNOTSUPP)) { struct request_queue *rq = info->rq; - printk(KERN_WARNING "blkfront: %s: %s op failed\n", - info->gd->disk_name, op_name(bret->operation)); + + pr_warn_ratelimited("blkfront: %s: %s op failed\n", + info->gd->disk_name, op_name(bret.operation)); blkif_req(req)->error = BLK_STS_NOTSUPP; info->feature_discard = 0; info->feature_secdiscard = 0; @@ -1617,15 +1655,15 @@ static irqreturn_t blkif_interrupt(int irq, void *dev_id) break; case BLKIF_OP_FLUSH_DISKCACHE: case BLKIF_OP_WRITE_BARRIER: - if (unlikely(bret->status == BLKIF_RSP_EOPNOTSUPP)) { - printk(KERN_WARNING "blkfront: %s: %s op failed\n", - info->gd->disk_name, op_name(bret->operation)); + if (unlikely(bret.status == BLKIF_RSP_EOPNOTSUPP)) { + pr_warn_ratelimited("blkfront: %s: %s op failed\n", + info->gd->disk_name, op_name(bret.operation)); blkif_req(req)->error = BLK_STS_NOTSUPP; } - if (unlikely(bret->status == BLKIF_RSP_ERROR && + if (unlikely(bret.status == BLKIF_RSP_ERROR && rinfo->shadow[id].req.u.rw.nr_segments == 0)) { - printk(KERN_WARNING "blkfront: %s: empty %s op failed\n", - info->gd->disk_name, op_name(bret->operation)); + pr_warn_ratelimited("blkfront: %s: empty %s op failed\n", + info->gd->disk_name, op_name(bret.operation)); blkif_req(req)->error = BLK_STS_NOTSUPP; } if (unlikely(blkif_req(req)->error)) { @@ -1638,9 +1676,10 @@ static irqreturn_t blkif_interrupt(int irq, void *dev_id) /* fall through */ case BLKIF_OP_READ: case BLKIF_OP_WRITE: - if (unlikely(bret->status != BLKIF_RSP_OKAY)) - dev_dbg(&info->xbdev->dev, "Bad return from blkdev data " - "request: %x\n", bret->status); + if (unlikely(bret.status != BLKIF_RSP_OKAY)) + dev_dbg_ratelimited(&info->xbdev->dev, + "Bad return from blkdev data request: %#x\n", + bret.status); break; default: @@ -1664,6 +1703,18 @@ static irqreturn_t blkif_interrupt(int irq, void *dev_id) spin_unlock_irqrestore(&rinfo->ring_lock, flags); + xen_irq_lateeoi(irq, eoiflag); + + return IRQ_HANDLED; + + err: + info->connected = BLKIF_STATE_ERROR; + + spin_unlock_irqrestore(&rinfo->ring_lock, flags); + + /* No EOI in order to avoid further interrupts. */ + + pr_alert("%s disabled for further use\n", info->gd->disk_name); return IRQ_HANDLED; } @@ -1702,8 +1753,8 @@ static int setup_blkring(struct xenbus_device *dev, if (err) goto fail; - err = bind_evtchn_to_irqhandler(rinfo->evtchn, blkif_interrupt, 0, - "blkif", rinfo); + err = bind_evtchn_to_irqhandler_lateeoi(rinfo->evtchn, blkif_interrupt, + 0, "blkif", rinfo); if (err <= 0) { xenbus_dev_fatal(dev, err, "bind_evtchn_to_irqhandler failed"); diff --git a/drivers/bluetooth/bfusb.c b/drivers/bluetooth/bfusb.c index 0e5954cac98e0c69fca26e450e972f8424cfe548..00d72f6d8e8e27dab86477e74d55e667a6d13a6c 100644 --- a/drivers/bluetooth/bfusb.c +++ b/drivers/bluetooth/bfusb.c @@ -629,6 +629,9 @@ static int bfusb_probe(struct usb_interface *intf, const struct usb_device_id *i data->bulk_out_ep = bulk_out_ep->desc.bEndpointAddress; data->bulk_pkt_size = le16_to_cpu(bulk_out_ep->desc.wMaxPacketSize); + if (!data->bulk_pkt_size) + goto done; + rwlock_init(&data->lock); data->reassembly = NULL; diff --git a/drivers/bluetooth/btmtksdio.c b/drivers/bluetooth/btmtksdio.c index 304178be1ef40772406b17d5b3c79ea78a849c39..c2eb64bcd5d5d5a779f09605596f6d477b027bd2 100644 --- a/drivers/bluetooth/btmtksdio.c +++ b/drivers/bluetooth/btmtksdio.c @@ -1041,6 +1041,8 @@ static int btmtksdio_runtime_suspend(struct device *dev) if (!bdev) return 0; + sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER); + sdio_claim_host(bdev->func); sdio_writel(bdev->func, C_FW_OWN_REQ_SET, MTK_REG_CHLPCR, &err); diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 6d643651d69f7c92d6defcfd937ad1c254c4ebab..c8f2b991e9cf7a081ce4103e3106058ae0e30b8d 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -2568,6 +2568,7 @@ static void btusb_mtk_wmt_recv(struct urb *urb) skb = bt_skb_alloc(HCI_WMT_MAX_EVENT_SIZE, GFP_ATOMIC); if (!skb) { hdev->stat.err_rx++; + kfree(urb->setup_packet); return; } @@ -2588,6 +2589,7 @@ static void btusb_mtk_wmt_recv(struct urb *urb) data->evt_skb = skb_clone(skb, GFP_ATOMIC); if (!data->evt_skb) { kfree_skb(skb); + kfree(urb->setup_packet); return; } } @@ -2596,6 +2598,7 @@ static void btusb_mtk_wmt_recv(struct urb *urb) if (err < 0) { kfree_skb(data->evt_skb); data->evt_skb = NULL; + kfree(urb->setup_packet); return; } @@ -2606,6 +2609,7 @@ static void btusb_mtk_wmt_recv(struct urb *urb) wake_up_bit(&data->flags, BTUSB_TX_WAIT_VND_EVT); } + kfree(urb->setup_packet); return; } else if (urb->status == -ENOENT) { /* Avoid suspend failed when usb_kill_urb */ @@ -2626,6 +2630,7 @@ static void btusb_mtk_wmt_recv(struct urb *urb) usb_anchor_urb(urb, &data->ctrl_anchor); err = usb_submit_urb(urb, GFP_ATOMIC); if (err < 0) { + kfree(urb->setup_packet); /* -EPERM: urb is being killed; * -ENODEV: device got disconnected */ diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c index 94ed734c1d7eb94c7f7cebc9ff05be4ad3671359..c6bb380806f9b9ada9db4749568df266cc9f1142 100644 --- a/drivers/bluetooth/hci_bcm.c +++ b/drivers/bluetooth/hci_bcm.c @@ -1127,7 +1127,12 @@ static int bcm_probe(struct platform_device *pdev) return -ENOMEM; dev->dev = &pdev->dev; - dev->irq = platform_get_irq(pdev, 0); + + ret = platform_get_irq(pdev, 0); + if (ret < 0) + return ret; + + dev->irq = ret; if (has_acpi_companion(&pdev->dev)) { ret = bcm_acpi_probe(dev); diff --git a/drivers/char/agp/parisc-agp.c b/drivers/char/agp/parisc-agp.c index ed3c4c42fc23b7f8280394060a44006b9d5adcf4..d68d05d5d38388523b0fecfdd45cb6e32488c784 100644 --- a/drivers/char/agp/parisc-agp.c +++ b/drivers/char/agp/parisc-agp.c @@ -281,7 +281,7 @@ agp_ioc_init(void __iomem *ioc_regs) return 0; } -static int +static int __init lba_find_capability(int cap) { struct _parisc_agp_info *info = &parisc_agp_info; @@ -366,7 +366,7 @@ parisc_agp_setup(void __iomem *ioc_hpa, void __iomem *lba_hpa) return error; } -static int +static int __init find_quicksilver(struct device *dev, void *data) { struct parisc_device **lba = data; @@ -378,7 +378,7 @@ find_quicksilver(struct device *dev, void *data) return 0; } -static int +static int __init parisc_agp_init(void) { extern struct sba_device *sba_list; diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c index bd3c9fb029fa5fb00b346e7627575ad624252968..ad2e6d55d4a59609932b799a7231f82cc9fda152 100644 --- a/drivers/char/ipmi/ipmi_msghandler.c +++ b/drivers/char/ipmi/ipmi_msghandler.c @@ -220,6 +220,8 @@ struct ipmi_user { struct work_struct remove_work; }; +static struct workqueue_struct *remove_work_wq; + static struct ipmi_user *acquire_ipmi_user(struct ipmi_user *user, int *index) __acquires(user->release_barrier) { @@ -1286,7 +1288,7 @@ static void free_user(struct kref *ref) struct ipmi_user *user = container_of(ref, struct ipmi_user, refcount); /* SRCU cleanup must happen in task context. */ - schedule_work(&user->remove_work); + queue_work(remove_work_wq, &user->remove_work); } static void _ipmi_destroy_user(struct ipmi_user *user) @@ -2936,7 +2938,7 @@ cleanup_bmc_device(struct kref *ref) * with removing the device attributes while reading a device * attribute. */ - schedule_work(&bmc->remove_work); + queue_work(remove_work_wq, &bmc->remove_work); } /* @@ -5154,7 +5156,16 @@ static int ipmi_init_msghandler(void) if (initialized) goto out; - init_srcu_struct(&ipmi_interfaces_srcu); + rv = init_srcu_struct(&ipmi_interfaces_srcu); + if (rv) + goto out; + + remove_work_wq = create_singlethread_workqueue("ipmi-msghandler-remove-wq"); + if (!remove_work_wq) { + pr_err("unable to create ipmi-msghandler-remove-wq workqueue"); + rv = -ENOMEM; + goto out_wq; + } timer_setup(&ipmi_timer, ipmi_timeout, 0); mod_timer(&ipmi_timer, jiffies + IPMI_TIMEOUT_JIFFIES); @@ -5163,6 +5174,9 @@ static int ipmi_init_msghandler(void) initialized = true; +out_wq: + if (rv) + cleanup_srcu_struct(&ipmi_interfaces_srcu); out: mutex_unlock(&ipmi_interfaces_mutex); return rv; @@ -5186,6 +5200,8 @@ static void __exit cleanup_ipmi(void) int count; if (initialized) { + destroy_workqueue(remove_work_wq); + atomic_notifier_chain_unregister(&panic_notifier_list, &panic_block); diff --git a/drivers/char/ipmi/ipmi_ssif.c b/drivers/char/ipmi/ipmi_ssif.c index 8ac390c2b51475b5dc79559c931dbd0b7f777571..bb42a1c92cae5372780209f6de2028ebb078cf92 100644 --- a/drivers/char/ipmi/ipmi_ssif.c +++ b/drivers/char/ipmi/ipmi_ssif.c @@ -1704,6 +1704,9 @@ static int ssif_probe(struct i2c_client *client, const struct i2c_device_id *id) } } + ssif_info->client = client; + i2c_set_clientdata(client, ssif_info); + rv = ssif_check_and_remove(client, ssif_info); /* If rv is 0 and addr source is not SI_ACPI, continue probing */ if (!rv && ssif_info->addr_source == SI_ACPI) { @@ -1724,9 +1727,6 @@ static int ssif_probe(struct i2c_client *client, const struct i2c_device_id *id) ipmi_addr_src_to_str(ssif_info->addr_source), client->addr, client->adapter->name, slave_addr); - ssif_info->client = client; - i2c_set_clientdata(client, ssif_info); - /* Now check for system interface capabilities */ msg[0] = IPMI_NETFN_APP_REQUEST << 2; msg[1] = IPMI_GET_SYSTEM_INTERFACE_CAPABILITIES_CMD; @@ -1926,6 +1926,7 @@ static int ssif_probe(struct i2c_client *client, const struct i2c_device_id *id) dev_err(&ssif_info->client->dev, "Unable to start IPMI SSIF: %d\n", rv); + i2c_set_clientdata(client, NULL); kfree(ssif_info); } kfree(resp); diff --git a/drivers/char/mwave/3780i.h b/drivers/char/mwave/3780i.h index 9ccb6b270b071cfbf03b250d1af442f28d75bafe..95164246afd1a313d3fb3a2726c6abcff35c77b0 100644 --- a/drivers/char/mwave/3780i.h +++ b/drivers/char/mwave/3780i.h @@ -68,7 +68,7 @@ typedef struct { unsigned char ClockControl:1; /* RW: Clock control: 0=normal, 1=stop 3780i clocks */ unsigned char SoftReset:1; /* RW: Soft reset 0=normal, 1=soft reset active */ unsigned char ConfigMode:1; /* RW: Configuration mode, 0=normal, 1=config mode */ - unsigned char Reserved:5; /* 0: Reserved */ + unsigned short Reserved:13; /* 0: Reserved */ } DSP_ISA_SLAVE_CONTROL; diff --git a/drivers/char/random.c b/drivers/char/random.c index b8f450d6fc526f9bffb866d29995e914146c1ccc..71bbf4eeb227abdd088bba0cfe76240389e46e44 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -461,6 +461,7 @@ static struct crng_state primary_crng = { * its value (from 0->1->2). */ static int crng_init = 0; +static bool crng_need_final_init = false; #define crng_ready() (likely(crng_init > 1)) static int crng_init_cnt = 0; static unsigned long crng_global_init_time = 0; @@ -810,6 +811,38 @@ static void crng_initialize(struct crng_state *crng) crng->init_time = jiffies - CRNG_RESEED_INTERVAL - 1; } +static void crng_finalize_init(struct crng_state *crng) +{ + if (crng != &primary_crng || crng_init >= 2) + return; + if (!system_wq) { + /* We can't call numa_crng_init until we have workqueues, + * so mark this for processing later. */ + crng_need_final_init = true; + return; + } + + invalidate_batched_entropy(); + numa_crng_init(); + crng_init = 2; + process_random_ready_list(); + wake_up_interruptible(&crng_init_wait); + kill_fasync(&fasync, SIGIO, POLL_IN); + pr_notice("crng init done\n"); + if (unseeded_warning.missed) { + pr_notice("random: %d get_random_xx warning(s) missed " + "due to ratelimiting\n", + unseeded_warning.missed); + unseeded_warning.missed = 0; + } + if (urandom_warning.missed) { + pr_notice("random: %d urandom warning(s) missed " + "due to ratelimiting\n", + urandom_warning.missed); + urandom_warning.missed = 0; + } +} + #ifdef CONFIG_NUMA static void do_numa_crng_init(struct work_struct *work) { @@ -825,8 +858,8 @@ static void do_numa_crng_init(struct work_struct *work) crng_initialize(crng); pool[i] = crng; } - mb(); - if (cmpxchg(&crng_node_pool, NULL, pool)) { + /* pairs with READ_ONCE() in select_crng() */ + if (cmpxchg_release(&crng_node_pool, NULL, pool) != NULL) { for_each_node(i) kfree(pool[i]); kfree(pool); @@ -839,18 +872,38 @@ static void numa_crng_init(void) { schedule_work(&numa_crng_init_work); } + +static struct crng_state *select_crng(void) +{ + struct crng_state **pool; + int nid = numa_node_id(); + + /* pairs with cmpxchg_release() in do_numa_crng_init() */ + pool = READ_ONCE(crng_node_pool); + if (pool && pool[nid]) + return pool[nid]; + + return &primary_crng; +} #else static void numa_crng_init(void) {} + +static struct crng_state *select_crng(void) +{ + return &primary_crng; +} #endif /* * crng_fast_load() can be called by code in the interrupt service - * path. So we can't afford to dilly-dally. + * path. So we can't afford to dilly-dally. Returns the number of + * bytes processed from cp. */ -static int crng_fast_load(const char *cp, size_t len) +static size_t crng_fast_load(const char *cp, size_t len) { unsigned long flags; char *p; + size_t ret = 0; if (!spin_trylock_irqsave(&primary_crng.lock, flags)) return 0; @@ -861,7 +914,7 @@ static int crng_fast_load(const char *cp, size_t len) p = (unsigned char *) &primary_crng.state[4]; while (len > 0 && crng_init_cnt < CRNG_INIT_CNT_THRESH) { p[crng_init_cnt % CHACHA_KEY_SIZE] ^= *cp; - cp++; crng_init_cnt++; len--; + cp++; crng_init_cnt++; len--; ret++; } spin_unlock_irqrestore(&primary_crng.lock, flags); if (crng_init_cnt >= CRNG_INIT_CNT_THRESH) { @@ -869,7 +922,7 @@ static int crng_fast_load(const char *cp, size_t len) crng_init = 1; pr_notice("fast init done\n"); } - return 1; + return ret; } /* @@ -944,38 +997,23 @@ static void crng_reseed(struct crng_state *crng, struct entropy_store *r) crng->state[i+4] ^= buf.key[i] ^ rv; } memzero_explicit(&buf, sizeof(buf)); - crng->init_time = jiffies; + WRITE_ONCE(crng->init_time, jiffies); spin_unlock_irqrestore(&crng->lock, flags); - if (crng == &primary_crng && crng_init < 2) { - invalidate_batched_entropy(); - numa_crng_init(); - crng_init = 2; - process_random_ready_list(); - wake_up_interruptible(&crng_init_wait); - kill_fasync(&fasync, SIGIO, POLL_IN); - pr_notice("crng init done\n"); - if (unseeded_warning.missed) { - pr_notice("%d get_random_xx warning(s) missed due to ratelimiting\n", - unseeded_warning.missed); - unseeded_warning.missed = 0; - } - if (urandom_warning.missed) { - pr_notice("%d urandom warning(s) missed due to ratelimiting\n", - urandom_warning.missed); - urandom_warning.missed = 0; - } - } + crng_finalize_init(crng); } static void _extract_crng(struct crng_state *crng, __u8 out[CHACHA_BLOCK_SIZE]) { - unsigned long v, flags; - - if (crng_ready() && - (time_after(crng_global_init_time, crng->init_time) || - time_after(jiffies, crng->init_time + CRNG_RESEED_INTERVAL))) - crng_reseed(crng, crng == &primary_crng ? &input_pool : NULL); + unsigned long v, flags, init_time; + + if (crng_ready()) { + init_time = READ_ONCE(crng->init_time); + if (time_after(READ_ONCE(crng_global_init_time), init_time) || + time_after(jiffies, init_time + CRNG_RESEED_INTERVAL)) + crng_reseed(crng, crng == &primary_crng ? + &input_pool : NULL); + } spin_lock_irqsave(&crng->lock, flags); if (arch_get_random_long(&v)) crng->state[14] ^= v; @@ -987,15 +1025,7 @@ static void _extract_crng(struct crng_state *crng, static void extract_crng(__u8 out[CHACHA_BLOCK_SIZE]) { - struct crng_state *crng = NULL; - -#ifdef CONFIG_NUMA - if (crng_node_pool) - crng = crng_node_pool[numa_node_id()]; - if (crng == NULL) -#endif - crng = &primary_crng; - _extract_crng(crng, out); + _extract_crng(select_crng(), out); } /* @@ -1024,15 +1054,7 @@ static void _crng_backtrack_protect(struct crng_state *crng, static void crng_backtrack_protect(__u8 tmp[CHACHA_BLOCK_SIZE], int used) { - struct crng_state *crng = NULL; - -#ifdef CONFIG_NUMA - if (crng_node_pool) - crng = crng_node_pool[numa_node_id()]; - if (crng == NULL) -#endif - crng = &primary_crng; - _crng_backtrack_protect(crng, tmp, used); + _crng_backtrack_protect(select_crng(), tmp, used); } static ssize_t extract_crng_user(void __user *buf, size_t nbytes) @@ -1253,7 +1275,7 @@ void add_interrupt_randomness(int irq, int irq_flags) if (unlikely(crng_init == 0)) { if ((fast_pool->count >= 64) && crng_fast_load((char *) fast_pool->pool, - sizeof(fast_pool->pool))) { + sizeof(fast_pool->pool)) > 0) { fast_pool->count = 0; fast_pool->last = now; } @@ -1771,6 +1793,8 @@ static void __init init_std_data(struct entropy_store *r) int __init rand_initialize(void) { init_std_data(&input_pool); + if (crng_need_final_init) + crng_finalize_init(&primary_crng); crng_initialize(&primary_crng); crng_global_init_time = jiffies; if (ratelimit_disable) { @@ -1945,7 +1969,7 @@ static long random_ioctl(struct file *f, unsigned int cmd, unsigned long arg) if (crng_init < 2) return -ENODATA; crng_reseed(&primary_crng, &input_pool); - crng_global_init_time = jiffies - 1; + WRITE_ONCE(crng_global_init_time, jiffies - 1); return 0; default: return -EINVAL; @@ -2269,15 +2293,19 @@ void add_hwgenerator_randomness(const char *buffer, size_t count, struct entropy_store *poolp = &input_pool; if (unlikely(crng_init == 0)) { - crng_fast_load(buffer, count); - return; + size_t ret = crng_fast_load(buffer, count); + count -= ret; + buffer += ret; + if (!count || crng_init == 0) + return; } /* Suspend writing if we're above the trickle threshold. * We'll be woken up again once below random_write_wakeup_thresh, * or when the calling thread is about to terminate. */ - wait_event_interruptible(random_write_wait, kthread_should_stop() || + wait_event_interruptible(random_write_wait, + !system_wq || kthread_should_stop() || ENTROPY_BITS(&input_pool) <= random_write_wakeup_bits); mix_pool_bytes(poolp, buffer, count); credit_entropy_bits(poolp, entropy); diff --git a/drivers/char/tpm/tpm_tis_core.c b/drivers/char/tpm/tpm_tis_core.c index 2fe26ec03552b3220c871d8c8ab8f2439c92bf7a..70f785994228720dbbc587701b874ecb963d3036 100644 --- a/drivers/char/tpm/tpm_tis_core.c +++ b/drivers/char/tpm/tpm_tis_core.c @@ -877,7 +877,15 @@ int tpm_tis_core_init(struct device *dev, struct tpm_tis_data *priv, int irq, intmask |= TPM_INTF_CMD_READY_INT | TPM_INTF_LOCALITY_CHANGE_INT | TPM_INTF_DATA_AVAIL_INT | TPM_INTF_STS_VALID_INT; intmask &= ~TPM_GLOBAL_INT_ENABLE; + + rc = request_locality(chip, 0); + if (rc < 0) { + rc = -ENODEV; + goto out_err; + } + tpm_tis_write32(priv, TPM_INT_ENABLE(priv->locality), intmask); + release_locality(chip, 0); rc = tpm_chip_start(chip); if (rc) diff --git a/drivers/clk/bcm/clk-bcm2835.c b/drivers/clk/bcm/clk-bcm2835.c index c5486537b92842e47f7bc5f0dd819d1e16316718..e637bd6b295bd418c002cc5fcde040744891e439 100644 --- a/drivers/clk/bcm/clk-bcm2835.c +++ b/drivers/clk/bcm/clk-bcm2835.c @@ -932,8 +932,7 @@ static int bcm2835_clock_is_on(struct clk_hw *hw) static u32 bcm2835_clock_choose_div(struct clk_hw *hw, unsigned long rate, - unsigned long parent_rate, - bool round_up) + unsigned long parent_rate) { struct bcm2835_clock *clock = bcm2835_clock_from_hw(hw); const struct bcm2835_clock_data *data = clock->data; @@ -945,10 +944,6 @@ static u32 bcm2835_clock_choose_div(struct clk_hw *hw, rem = do_div(temp, rate); div = temp; - - /* Round up and mask off the unused bits */ - if (round_up && ((div & unused_frac_mask) != 0 || rem != 0)) - div += unused_frac_mask + 1; div &= ~unused_frac_mask; /* different clamping limits apply for a mash clock */ @@ -1079,7 +1074,7 @@ static int bcm2835_clock_set_rate(struct clk_hw *hw, struct bcm2835_clock *clock = bcm2835_clock_from_hw(hw); struct bcm2835_cprman *cprman = clock->cprman; const struct bcm2835_clock_data *data = clock->data; - u32 div = bcm2835_clock_choose_div(hw, rate, parent_rate, false); + u32 div = bcm2835_clock_choose_div(hw, rate, parent_rate); u32 ctl; spin_lock(&cprman->regs_lock); @@ -1130,7 +1125,7 @@ static unsigned long bcm2835_clock_choose_div_and_prate(struct clk_hw *hw, if (!(BIT(parent_idx) & data->set_rate_parent)) { *prate = clk_hw_get_rate(parent); - *div = bcm2835_clock_choose_div(hw, rate, *prate, true); + *div = bcm2835_clock_choose_div(hw, rate, *prate); *avgrate = bcm2835_clock_rate_from_divisor(clock, *prate, *div); @@ -1216,7 +1211,7 @@ static int bcm2835_clock_determine_rate(struct clk_hw *hw, rate = bcm2835_clock_choose_div_and_prate(hw, i, req->rate, &div, &prate, &avgrate); - if (rate > best_rate && rate <= req->rate) { + if (abs(req->rate - rate) < abs(req->rate - best_rate)) { best_parent = parent; best_prate = prate; best_rate = rate; diff --git a/drivers/clk/clk-ast2600.c b/drivers/clk/clk-ast2600.c index af957179b135ee109bbfbf89f3f3f4b753b440b8..48122f574cb6577e49b101fda16209214bd4ef8a 100644 --- a/drivers/clk/clk-ast2600.c +++ b/drivers/clk/clk-ast2600.c @@ -48,6 +48,8 @@ static DEFINE_SPINLOCK(aspeed_g6_clk_lock); static struct clk_hw_onecell_data *aspeed_g6_clk_data; static void __iomem *scu_g6_base; +/* AST2600 revision: A0, A1, A2, etc */ +static u8 soc_rev; /* * Clocks marked with CLK_IS_CRITICAL: @@ -190,9 +192,8 @@ static struct clk_hw *ast2600_calc_pll(const char *name, u32 val) static struct clk_hw *ast2600_calc_apll(const char *name, u32 val) { unsigned int mult, div; - u32 chip_id = readl(scu_g6_base + ASPEED_G6_SILICON_REV); - if (((chip_id & CHIP_REVISION_ID) >> 16) >= 2) { + if (soc_rev >= 2) { if (val & BIT(24)) { /* Pass through mode */ mult = div = 1; @@ -664,7 +665,7 @@ static const u32 ast2600_a1_axi_ahb200_tbl[] = { static void __init aspeed_g6_cc(struct regmap *map) { struct clk_hw *hw; - u32 val, div, divbits, chip_id, axi_div, ahb_div; + u32 val, div, divbits, axi_div, ahb_div; clk_hw_register_fixed_rate(NULL, "clkin", NULL, 0, 25000000); @@ -695,8 +696,7 @@ static void __init aspeed_g6_cc(struct regmap *map) axi_div = 2; divbits = (val >> 11) & 0x3; - regmap_read(map, ASPEED_G6_SILICON_REV, &chip_id); - if (chip_id & BIT(16)) { + if (soc_rev >= 1) { if (!divbits) { ahb_div = ast2600_a1_axi_ahb200_tbl[(val >> 8) & 0x3]; if (val & BIT(16)) @@ -741,6 +741,8 @@ static void __init aspeed_g6_cc_init(struct device_node *np) if (!scu_g6_base) return; + soc_rev = (readl(scu_g6_base + ASPEED_G6_SILICON_REV) & CHIP_REVISION_ID) >> 16; + aspeed_g6_clk_data = kzalloc(struct_size(aspeed_g6_clk_data, hws, ASPEED_G6_NUM_CLKS), GFP_KERNEL); if (!aspeed_g6_clk_data) diff --git a/drivers/clk/clk-si5341.c b/drivers/clk/clk-si5341.c index 8f9f3d4a54fd27d6cc105a4af0892e962a2c2ed4..20ed0955416a3c45e7e3ebdcbe6e4c836e932048 100644 --- a/drivers/clk/clk-si5341.c +++ b/drivers/clk/clk-si5341.c @@ -1303,7 +1303,7 @@ static int si5341_probe(struct i2c_client *client, clk_prepare(data->clk[i].hw.clk); } - err = of_clk_add_hw_provider(client->dev.of_node, of_clk_si5341_get, + err = devm_of_clk_add_hw_provider(&client->dev, of_clk_si5341_get, data); if (err) { dev_err(&client->dev, "unable to add clk provider\n"); diff --git a/drivers/clk/clk-stm32f4.c b/drivers/clk/clk-stm32f4.c index 5c75e3d906c209767b5716992b8f6b718cd3d098..682a18b392f0843ae4aeab2b56caaa7a62153add 100644 --- a/drivers/clk/clk-stm32f4.c +++ b/drivers/clk/clk-stm32f4.c @@ -129,7 +129,6 @@ static const struct stm32f4_gate_data stm32f429_gates[] __initconst = { { STM32F4_RCC_APB2ENR, 20, "spi5", "apb2_div" }, { STM32F4_RCC_APB2ENR, 21, "spi6", "apb2_div" }, { STM32F4_RCC_APB2ENR, 22, "sai1", "apb2_div" }, - { STM32F4_RCC_APB2ENR, 26, "ltdc", "apb2_div" }, }; static const struct stm32f4_gate_data stm32f469_gates[] __initconst = { @@ -211,7 +210,6 @@ static const struct stm32f4_gate_data stm32f469_gates[] __initconst = { { STM32F4_RCC_APB2ENR, 20, "spi5", "apb2_div" }, { STM32F4_RCC_APB2ENR, 21, "spi6", "apb2_div" }, { STM32F4_RCC_APB2ENR, 22, "sai1", "apb2_div" }, - { STM32F4_RCC_APB2ENR, 26, "ltdc", "apb2_div" }, }; static const struct stm32f4_gate_data stm32f746_gates[] __initconst = { @@ -286,7 +284,6 @@ static const struct stm32f4_gate_data stm32f746_gates[] __initconst = { { STM32F4_RCC_APB2ENR, 21, "spi6", "apb2_div" }, { STM32F4_RCC_APB2ENR, 22, "sai1", "apb2_div" }, { STM32F4_RCC_APB2ENR, 23, "sai2", "apb2_div" }, - { STM32F4_RCC_APB2ENR, 26, "ltdc", "apb2_div" }, }; static const struct stm32f4_gate_data stm32f769_gates[] __initconst = { @@ -364,7 +361,6 @@ static const struct stm32f4_gate_data stm32f769_gates[] __initconst = { { STM32F4_RCC_APB2ENR, 21, "spi6", "apb2_div" }, { STM32F4_RCC_APB2ENR, 22, "sai1", "apb2_div" }, { STM32F4_RCC_APB2ENR, 23, "sai2", "apb2_div" }, - { STM32F4_RCC_APB2ENR, 26, "ltdc", "apb2_div" }, { STM32F4_RCC_APB2ENR, 30, "mdio", "apb2_div" }, }; diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index e388005ae698acdf61c3569ed424768573730213..a9226107be8c8f2d3a6b449239f4577ec0e7713d 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -3379,6 +3379,14 @@ static int __clk_core_init(struct clk_core *core) clk_prepare_lock(); + /* + * Set hw->core after grabbing the prepare_lock to synchronize with + * callers of clk_core_fill_parent_index() where we treat hw->core + * being NULL as the clk not being registered yet. This is crucial so + * that clks aren't parented until their parent is fully registered. + */ + core->hw->core = core; + ret = clk_pm_runtime_get(core); if (ret) goto unlock; @@ -3534,8 +3542,10 @@ static int __clk_core_init(struct clk_core *core) out: clk_pm_runtime_put(core); unlock: - if (ret) + if (ret) { hlist_del_init(&core->child_node); + core->hw->core = NULL; + } clk_prepare_unlock(); @@ -3781,7 +3791,6 @@ __clk_register(struct device *dev, struct device_node *np, struct clk_hw *hw) core->num_parents = init->num_parents; core->min_rate = 0; core->max_rate = ULONG_MAX; - hw->core = core; ret = clk_core_populate_parent_map(core, init); if (ret) @@ -3799,7 +3808,7 @@ __clk_register(struct device *dev, struct device_node *np, struct clk_hw *hw) goto fail_create_clk; } - clk_core_link_consumer(hw->core, hw->clk); + clk_core_link_consumer(core, hw->clk); ret = __clk_core_init(core); if (!ret) diff --git a/drivers/clk/imx/clk-imx6ul.c b/drivers/clk/imx/clk-imx6ul.c index bc931988fe7b245ada0c460ed182ecfcdaa19689..f3ac5a524f4ed8bc70854aa62e9b0678a63a1434 100644 --- a/drivers/clk/imx/clk-imx6ul.c +++ b/drivers/clk/imx/clk-imx6ul.c @@ -161,7 +161,6 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node) hws[IMX6UL_PLL5_BYPASS] = imx_clk_hw_mux_flags("pll5_bypass", base + 0xa0, 16, 1, pll5_bypass_sels, ARRAY_SIZE(pll5_bypass_sels), CLK_SET_RATE_PARENT); hws[IMX6UL_PLL6_BYPASS] = imx_clk_hw_mux_flags("pll6_bypass", base + 0xe0, 16, 1, pll6_bypass_sels, ARRAY_SIZE(pll6_bypass_sels), CLK_SET_RATE_PARENT); hws[IMX6UL_PLL7_BYPASS] = imx_clk_hw_mux_flags("pll7_bypass", base + 0x20, 16, 1, pll7_bypass_sels, ARRAY_SIZE(pll7_bypass_sels), CLK_SET_RATE_PARENT); - hws[IMX6UL_CLK_CSI_SEL] = imx_clk_hw_mux_flags("csi_sel", base + 0x3c, 9, 2, csi_sels, ARRAY_SIZE(csi_sels), CLK_SET_RATE_PARENT); /* Do not bypass PLLs initially */ clk_set_parent(hws[IMX6UL_PLL1_BYPASS]->clk, hws[IMX6UL_CLK_PLL1]->clk); @@ -270,6 +269,7 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node) hws[IMX6UL_CLK_ECSPI_SEL] = imx_clk_hw_mux("ecspi_sel", base + 0x38, 18, 1, ecspi_sels, ARRAY_SIZE(ecspi_sels)); hws[IMX6UL_CLK_LCDIF_PRE_SEL] = imx_clk_hw_mux_flags("lcdif_pre_sel", base + 0x38, 15, 3, lcdif_pre_sels, ARRAY_SIZE(lcdif_pre_sels), CLK_SET_RATE_PARENT); hws[IMX6UL_CLK_LCDIF_SEL] = imx_clk_hw_mux("lcdif_sel", base + 0x38, 9, 3, lcdif_sels, ARRAY_SIZE(lcdif_sels)); + hws[IMX6UL_CLK_CSI_SEL] = imx_clk_hw_mux("csi_sel", base + 0x3c, 9, 2, csi_sels, ARRAY_SIZE(csi_sels)); hws[IMX6UL_CLK_LDB_DI0_DIV_SEL] = imx_clk_hw_mux("ldb_di0", base + 0x20, 10, 1, ldb_di0_div_sels, ARRAY_SIZE(ldb_di0_div_sels)); hws[IMX6UL_CLK_LDB_DI1_DIV_SEL] = imx_clk_hw_mux("ldb_di1", base + 0x20, 11, 1, ldb_di1_div_sels, ARRAY_SIZE(ldb_di1_div_sels)); diff --git a/drivers/clk/imx/clk-imx8mn.c b/drivers/clk/imx/clk-imx8mn.c index 58b5acee38306909e76e08587f6f310bceeab3ff..882b42efd2582c86e5c62a5e994254b43423b36d 100644 --- a/drivers/clk/imx/clk-imx8mn.c +++ b/drivers/clk/imx/clk-imx8mn.c @@ -358,9 +358,9 @@ static const char * const imx8mn_pdm_sels[] = {"osc_24m", "sys_pll2_100m", "audi static const char * const imx8mn_dram_core_sels[] = {"dram_pll_out", "dram_alt_root", }; -static const char * const imx8mn_clko1_sels[] = {"osc_24m", "sys_pll1_800m", "osc_27m", - "sys_pll1_200m", "audio_pll2_out", "vpu_pll", - "sys_pll1_80m", }; +static const char * const imx8mn_clko1_sels[] = {"osc_24m", "sys_pll1_800m", "dummy", + "sys_pll1_200m", "audio_pll2_out", "sys_pll2_500m", + "dummy", "sys_pll1_80m", }; static const char * const imx8mn_clko2_sels[] = {"osc_24m", "sys_pll2_200m", "sys_pll1_400m", "sys_pll2_166m", "sys_pll3_out", "audio_pll1_out", "video_pll1_out", "osc_32k", }; diff --git a/drivers/clk/ingenic/cgu.c b/drivers/clk/ingenic/cgu.c index 7490d4f4d9366c32ae74094fa6db7927307aaf67..dff759c0f61937c245f8033053c42d7ffd4843a7 100644 --- a/drivers/clk/ingenic/cgu.c +++ b/drivers/clk/ingenic/cgu.c @@ -426,15 +426,15 @@ ingenic_clk_calc_div(const struct ingenic_cgu_clk_info *clk_info, } /* Impose hardware constraints */ - div = min_t(unsigned, div, 1 << clk_info->div.bits); - div = max_t(unsigned, div, 1); + div = clamp_t(unsigned int, div, clk_info->div.div, + clk_info->div.div << clk_info->div.bits); /* * If the divider value itself must be divided before being written to * the divider register, we must ensure we don't have any bits set that * would be lost as a result of doing so. */ - div /= clk_info->div.div; + div = DIV_ROUND_UP(div, clk_info->div.div); div *= clk_info->div.div; return div; diff --git a/drivers/clk/meson/gxbb.c b/drivers/clk/meson/gxbb.c index 1f9c056e684ce0bf93cff9f4868da37d7f4282f2..e8e36ec70b27f6feee6b7ef4c29dc3a354d11682 100644 --- a/drivers/clk/meson/gxbb.c +++ b/drivers/clk/meson/gxbb.c @@ -712,6 +712,35 @@ static struct clk_regmap gxbb_mpll_prediv = { }; static struct clk_regmap gxbb_mpll0_div = { + .data = &(struct meson_clk_mpll_data){ + .sdm = { + .reg_off = HHI_MPLL_CNTL7, + .shift = 0, + .width = 14, + }, + .sdm_en = { + .reg_off = HHI_MPLL_CNTL, + .shift = 25, + .width = 1, + }, + .n2 = { + .reg_off = HHI_MPLL_CNTL7, + .shift = 16, + .width = 9, + }, + .lock = &meson_clk_lock, + }, + .hw.init = &(struct clk_init_data){ + .name = "mpll0_div", + .ops = &meson_clk_mpll_ops, + .parent_hws = (const struct clk_hw *[]) { + &gxbb_mpll_prediv.hw + }, + .num_parents = 1, + }, +}; + +static struct clk_regmap gxl_mpll0_div = { .data = &(struct meson_clk_mpll_data){ .sdm = { .reg_off = HHI_MPLL_CNTL7, @@ -748,7 +777,16 @@ static struct clk_regmap gxbb_mpll0 = { .hw.init = &(struct clk_init_data){ .name = "mpll0", .ops = &clk_regmap_gate_ops, - .parent_hws = (const struct clk_hw *[]) { &gxbb_mpll0_div.hw }, + .parent_data = &(const struct clk_parent_data) { + /* + * Note: + * GXL and GXBB have different SDM_EN registers. We + * fallback to the global naming string mechanism so + * mpll0_div picks up the appropriate one. + */ + .name = "mpll0_div", + .index = -1, + }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, @@ -3036,7 +3074,7 @@ static struct clk_hw_onecell_data gxl_hw_onecell_data = { [CLKID_VAPB_1] = &gxbb_vapb_1.hw, [CLKID_VAPB_SEL] = &gxbb_vapb_sel.hw, [CLKID_VAPB] = &gxbb_vapb.hw, - [CLKID_MPLL0_DIV] = &gxbb_mpll0_div.hw, + [CLKID_MPLL0_DIV] = &gxl_mpll0_div.hw, [CLKID_MPLL1_DIV] = &gxbb_mpll1_div.hw, [CLKID_MPLL2_DIV] = &gxbb_mpll2_div.hw, [CLKID_MPLL_PREDIV] = &gxbb_mpll_prediv.hw, @@ -3430,7 +3468,7 @@ static struct clk_regmap *const gxl_clk_regmaps[] = { &gxbb_mpll0, &gxbb_mpll1, &gxbb_mpll2, - &gxbb_mpll0_div, + &gxl_mpll0_div, &gxbb_mpll1_div, &gxbb_mpll2_div, &gxbb_cts_amclk_div, diff --git a/drivers/clk/qcom/clk-regmap-mux.c b/drivers/clk/qcom/clk-regmap-mux.c index b2d00b4519634614d2b6e1dfd6e1f648440e0321..45d9cca28064fb89465ceaa453ca31cac911c46b 100644 --- a/drivers/clk/qcom/clk-regmap-mux.c +++ b/drivers/clk/qcom/clk-regmap-mux.c @@ -28,7 +28,7 @@ static u8 mux_get_parent(struct clk_hw *hw) val &= mask; if (mux->parent_map) - return qcom_find_src_index(hw, mux->parent_map, val); + return qcom_find_cfg_index(hw, mux->parent_map, val); return val; } diff --git a/drivers/clk/qcom/common.c b/drivers/clk/qcom/common.c index bdeacebbf0e470f1df16c5c25e0f5f365512f800..f52ccb62c00b7c700789e2f80b6ea6fee750cbc1 100644 --- a/drivers/clk/qcom/common.c +++ b/drivers/clk/qcom/common.c @@ -69,6 +69,18 @@ int qcom_find_src_index(struct clk_hw *hw, const struct parent_map *map, u8 src) } EXPORT_SYMBOL_GPL(qcom_find_src_index); +int qcom_find_cfg_index(struct clk_hw *hw, const struct parent_map *map, u8 cfg) +{ + int i, num_parents = clk_hw_get_num_parents(hw); + + for (i = 0; i < num_parents; i++) + if (cfg == map[i].cfg) + return i; + + return -ENOENT; +} +EXPORT_SYMBOL_GPL(qcom_find_cfg_index); + struct regmap * qcom_cc_map(struct platform_device *pdev, const struct qcom_cc_desc *desc) { diff --git a/drivers/clk/qcom/common.h b/drivers/clk/qcom/common.h index bb39a7e106d8a94950aabb25ab3885f16a421ddf..9c8f7b798d9fc92ceea235e93a68bb3e08d138de 100644 --- a/drivers/clk/qcom/common.h +++ b/drivers/clk/qcom/common.h @@ -49,6 +49,8 @@ extern void qcom_pll_set_fsm_mode(struct regmap *m, u32 reg, u8 bias_count, u8 lock_count); extern int qcom_find_src_index(struct clk_hw *hw, const struct parent_map *map, u8 src); +extern int qcom_find_cfg_index(struct clk_hw *hw, const struct parent_map *map, + u8 cfg); extern int qcom_cc_register_board_clk(struct device *dev, const char *path, const char *name, unsigned long rate); diff --git a/drivers/clk/qcom/gcc-msm8996.c b/drivers/clk/qcom/gcc-msm8996.c index d004cdaa0e39a32b8074a0d0e6af18feb23c773e..c1e1148f0261df0153e2a24b4c66943c8399d619 100644 --- a/drivers/clk/qcom/gcc-msm8996.c +++ b/drivers/clk/qcom/gcc-msm8996.c @@ -2937,20 +2937,6 @@ static struct clk_branch gcc_smmu_aggre0_ahb_clk = { }, }; -static struct clk_branch gcc_aggre1_pnoc_ahb_clk = { - .halt_reg = 0x82014, - .clkr = { - .enable_reg = 0x82014, - .enable_mask = BIT(0), - .hw.init = &(struct clk_init_data){ - .name = "gcc_aggre1_pnoc_ahb_clk", - .parent_names = (const char *[]){ "periph_noc_clk_src" }, - .num_parents = 1, - .ops = &clk_branch2_ops, - }, - }, -}; - static struct clk_branch gcc_aggre2_ufs_axi_clk = { .halt_reg = 0x83014, .clkr = { @@ -3453,7 +3439,6 @@ static struct clk_regmap *gcc_msm8996_clocks[] = { [GCC_AGGRE0_CNOC_AHB_CLK] = &gcc_aggre0_cnoc_ahb_clk.clkr, [GCC_SMMU_AGGRE0_AXI_CLK] = &gcc_smmu_aggre0_axi_clk.clkr, [GCC_SMMU_AGGRE0_AHB_CLK] = &gcc_smmu_aggre0_ahb_clk.clkr, - [GCC_AGGRE1_PNOC_AHB_CLK] = &gcc_aggre1_pnoc_ahb_clk.clkr, [GCC_AGGRE2_UFS_AXI_CLK] = &gcc_aggre2_ufs_axi_clk.clkr, [GCC_AGGRE2_USB3_AXI_CLK] = &gcc_aggre2_usb3_axi_clk.clkr, [GCC_QSPI_AHB_CLK] = &gcc_qspi_ahb_clk.clkr, diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 2478c040055dfd66f1aa346b98846d6af26fb49d..f2ef2fc621e8f6f0008d394491b85253e84be4ba 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -1005,10 +1005,9 @@ static struct kobj_type ktype_cpufreq = { .release = cpufreq_sysfs_release, }; -static void add_cpu_dev_symlink(struct cpufreq_policy *policy, unsigned int cpu) +static void add_cpu_dev_symlink(struct cpufreq_policy *policy, unsigned int cpu, + struct device *dev) { - struct device *dev = get_cpu_device(cpu); - if (unlikely(!dev)) return; @@ -1394,7 +1393,7 @@ static int cpufreq_online(unsigned int cpu) if (new_policy) { for_each_cpu(j, policy->related_cpus) { per_cpu(cpufreq_cpu_data, j) = policy; - add_cpu_dev_symlink(policy, j); + add_cpu_dev_symlink(policy, j, get_cpu_device(j)); } policy->min_freq_req = kzalloc(2 * sizeof(*policy->min_freq_req), @@ -1404,7 +1403,7 @@ static int cpufreq_online(unsigned int cpu) ret = freq_qos_add_request(&policy->constraints, policy->min_freq_req, FREQ_QOS_MIN, - policy->min); + FREQ_QOS_MIN_DEFAULT_VALUE); if (ret < 0) { /* * So we don't call freq_qos_remove_request() for an @@ -1424,7 +1423,7 @@ static int cpufreq_online(unsigned int cpu) ret = freq_qos_add_request(&policy->constraints, policy->max_freq_req, FREQ_QOS_MAX, - policy->max); + FREQ_QOS_MAX_DEFAULT_VALUE); if (ret < 0) { policy->max_freq_req = NULL; goto out_destroy_policy; @@ -1558,7 +1557,7 @@ static int cpufreq_add_dev(struct device *dev, struct subsys_interface *sif) /* Create sysfs link on CPU registration */ policy = per_cpu(cpufreq_cpu_data, cpu); if (policy) - add_cpu_dev_symlink(policy, cpu); + add_cpu_dev_symlink(policy, cpu, dev); return 0; } diff --git a/drivers/crypto/caam/caamalg_qi2.c b/drivers/crypto/caam/caamalg_qi2.c index 6863d70976746d7ceece5aab9d260d226ab6be34..28692d068176f861a4bb5aa46958dbf27721d752 100644 --- a/drivers/crypto/caam/caamalg_qi2.c +++ b/drivers/crypto/caam/caamalg_qi2.c @@ -5421,7 +5421,7 @@ int dpaa2_caam_enqueue(struct device *dev, struct caam_request *req) dpaa2_fd_set_len(&fd, dpaa2_fl_get_len(&req->fd_flt[1])); dpaa2_fd_set_flc(&fd, req->flc_dma); - ppriv = this_cpu_ptr(priv->ppriv); + ppriv = raw_cpu_ptr(priv->ppriv); for (i = 0; i < (priv->dpseci_attr.num_tx_queues << 1); i++) { err = dpaa2_io_service_enqueue_fq(ppriv->dpio, ppriv->req_fqid, &fd); diff --git a/drivers/crypto/omap-aes.c b/drivers/crypto/omap-aes.c index 72edb10181b86b607861ad069429c26c7557c348..41ffb088831de9234ef0b2544a8b8039cbd57d59 100644 --- a/drivers/crypto/omap-aes.c +++ b/drivers/crypto/omap-aes.c @@ -1318,7 +1318,7 @@ static int omap_aes_suspend(struct device *dev) static int omap_aes_resume(struct device *dev) { - pm_runtime_resume_and_get(dev); + pm_runtime_get_sync(dev); return 0; } #endif diff --git a/drivers/crypto/qce/sha.c b/drivers/crypto/qce/sha.c index 0853e74583ade76fc4081c15bf09c9ac8cc92947..29b0bad2507b11d8f33cce6e8e93305aa06dc138 100644 --- a/drivers/crypto/qce/sha.c +++ b/drivers/crypto/qce/sha.c @@ -512,8 +512,8 @@ static int qce_ahash_register_one(const struct qce_ahash_def *def, ret = crypto_register_ahash(alg); if (ret) { - kfree(tmpl); dev_err(qce->dev, "%s registration failed\n", base->cra_name); + kfree(tmpl); return ret; } diff --git a/drivers/crypto/stm32/stm32-crc32.c b/drivers/crypto/stm32/stm32-crc32.c index e68b856d03b6e43afce24b2adcec545665e3d7a7..fb640e0ea61407da1000aafaf2f9f32a1a2721e6 100644 --- a/drivers/crypto/stm32/stm32-crc32.c +++ b/drivers/crypto/stm32/stm32-crc32.c @@ -230,7 +230,7 @@ static struct shash_alg algs[] = { .digestsize = CHKSUM_DIGEST_SIZE, .base = { .cra_name = "crc32", - .cra_driver_name = DRIVER_NAME, + .cra_driver_name = "stm32-crc32-crc32", .cra_priority = 200, .cra_flags = CRYPTO_ALG_OPTIONAL_KEY, .cra_blocksize = CHKSUM_BLOCK_SIZE, @@ -252,7 +252,7 @@ static struct shash_alg algs[] = { .digestsize = CHKSUM_DIGEST_SIZE, .base = { .cra_name = "crc32c", - .cra_driver_name = DRIVER_NAME, + .cra_driver_name = "stm32-crc32-crc32c", .cra_priority = 200, .cra_flags = CRYPTO_ALG_OPTIONAL_KEY, .cra_blocksize = CHKSUM_BLOCK_SIZE, diff --git a/drivers/crypto/stm32/stm32-cryp.c b/drivers/crypto/stm32/stm32-cryp.c index 9b3511236ba25861c1f05988c1f7a73f1956a798..69c2468f1053de6f33553a49df8e10bbabb7ae5e 100644 --- a/drivers/crypto/stm32/stm32-cryp.c +++ b/drivers/crypto/stm32/stm32-cryp.c @@ -639,7 +639,7 @@ static void stm32_cryp_finish_req(struct stm32_cryp *cryp, int err) /* Phase 4 : output tag */ err = stm32_cryp_read_auth_tag(cryp); - if (!err && (!(is_gcm(cryp) || is_ccm(cryp)))) + if (!err && (!(is_gcm(cryp) || is_ccm(cryp) || is_ecb(cryp)))) stm32_cryp_get_iv(cryp); if (cryp->sgs_copied) { @@ -669,8 +669,6 @@ static void stm32_cryp_finish_req(struct stm32_cryp *cryp, int err) else crypto_finalize_ablkcipher_request(cryp->engine, cryp->req, err); - - memset(cryp->ctx->key, 0, cryp->ctx->keylen); } static int stm32_cryp_cpu_start(struct stm32_cryp *cryp) @@ -2036,8 +2034,6 @@ static int stm32_cryp_probe(struct platform_device *pdev) list_del(&cryp->list); spin_unlock(&cryp_list.lock); - pm_runtime_disable(dev); - pm_runtime_put_noidle(dev); pm_runtime_disable(dev); pm_runtime_put_noidle(dev); diff --git a/drivers/dma-buf/dma-fence-array.c b/drivers/dma-buf/dma-fence-array.c index d3fbd950be944f7a3bc7c2d231a0573cea5eac70..3e07f961e2f3d75af19b0e88f9346318fc3e6eb2 100644 --- a/drivers/dma-buf/dma-fence-array.c +++ b/drivers/dma-buf/dma-fence-array.c @@ -104,7 +104,11 @@ static bool dma_fence_array_signaled(struct dma_fence *fence) { struct dma_fence_array *array = to_dma_fence_array(fence); - return atomic_read(&array->num_pending) <= 0; + if (atomic_read(&array->num_pending) > 0) + return false; + + dma_fence_array_clear_pending_error(array); + return true; } static void dma_fence_array_release(struct dma_fence *fence) diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c index 6f1e97ba3e7866d0030328157b6ea31a203b7b09..f63d141481a3f6c35111fc1dbf278d5670999cd4 100644 --- a/drivers/dma/at_xdmac.c +++ b/drivers/dma/at_xdmac.c @@ -89,6 +89,7 @@ #define AT_XDMAC_CNDC_NDE (0x1 << 0) /* Channel x Next Descriptor Enable */ #define AT_XDMAC_CNDC_NDSUP (0x1 << 1) /* Channel x Next Descriptor Source Update */ #define AT_XDMAC_CNDC_NDDUP (0x1 << 2) /* Channel x Next Descriptor Destination Update */ +#define AT_XDMAC_CNDC_NDVIEW_MASK GENMASK(28, 27) #define AT_XDMAC_CNDC_NDVIEW_NDV0 (0x0 << 3) /* Channel x Next Descriptor View 0 */ #define AT_XDMAC_CNDC_NDVIEW_NDV1 (0x1 << 3) /* Channel x Next Descriptor View 1 */ #define AT_XDMAC_CNDC_NDVIEW_NDV2 (0x2 << 3) /* Channel x Next Descriptor View 2 */ @@ -220,15 +221,15 @@ struct at_xdmac { /* Linked List Descriptor */ struct at_xdmac_lld { - dma_addr_t mbr_nda; /* Next Descriptor Member */ - u32 mbr_ubc; /* Microblock Control Member */ - dma_addr_t mbr_sa; /* Source Address Member */ - dma_addr_t mbr_da; /* Destination Address Member */ - u32 mbr_cfg; /* Configuration Register */ - u32 mbr_bc; /* Block Control Register */ - u32 mbr_ds; /* Data Stride Register */ - u32 mbr_sus; /* Source Microblock Stride Register */ - u32 mbr_dus; /* Destination Microblock Stride Register */ + u32 mbr_nda; /* Next Descriptor Member */ + u32 mbr_ubc; /* Microblock Control Member */ + u32 mbr_sa; /* Source Address Member */ + u32 mbr_da; /* Destination Address Member */ + u32 mbr_cfg; /* Configuration Register */ + u32 mbr_bc; /* Block Control Register */ + u32 mbr_ds; /* Data Stride Register */ + u32 mbr_sus; /* Source Microblock Stride Register */ + u32 mbr_dus; /* Destination Microblock Stride Register */ }; /* 64-bit alignment needed to update CNDA and CUBC registers in an atomic way. */ @@ -338,9 +339,6 @@ static void at_xdmac_start_xfer(struct at_xdmac_chan *atchan, dev_vdbg(chan2dev(&atchan->chan), "%s: desc 0x%p\n", __func__, first); - if (at_xdmac_chan_is_enabled(atchan)) - return; - /* Set transfer as active to not try to start it again. */ first->active_xfer = true; @@ -356,7 +354,8 @@ static void at_xdmac_start_xfer(struct at_xdmac_chan *atchan, */ if (at_xdmac_chan_is_cyclic(atchan)) reg = AT_XDMAC_CNDC_NDVIEW_NDV1; - else if (first->lld.mbr_ubc & AT_XDMAC_MBR_UBC_NDV3) + else if ((first->lld.mbr_ubc & + AT_XDMAC_CNDC_NDVIEW_MASK) == AT_XDMAC_MBR_UBC_NDV3) reg = AT_XDMAC_CNDC_NDVIEW_NDV3; else reg = AT_XDMAC_CNDC_NDVIEW_NDV2; @@ -427,13 +426,12 @@ static dma_cookie_t at_xdmac_tx_submit(struct dma_async_tx_descriptor *tx) spin_lock_irqsave(&atchan->lock, irqflags); cookie = dma_cookie_assign(tx); + list_add_tail(&desc->xfer_node, &atchan->xfers_list); + spin_unlock_irqrestore(&atchan->lock, irqflags); + dev_vdbg(chan2dev(tx->chan), "%s: atchan 0x%p, add desc 0x%p to xfers_list\n", __func__, atchan, desc); - list_add_tail(&desc->xfer_node, &atchan->xfers_list); - if (list_is_singular(&atchan->xfers_list)) - at_xdmac_start_xfer(atchan, desc); - spin_unlock_irqrestore(&atchan->lock, irqflags); return cookie; } @@ -1568,14 +1566,17 @@ static void at_xdmac_handle_cyclic(struct at_xdmac_chan *atchan) struct at_xdmac_desc *desc; struct dma_async_tx_descriptor *txd; - if (!list_empty(&atchan->xfers_list)) { - desc = list_first_entry(&atchan->xfers_list, - struct at_xdmac_desc, xfer_node); - txd = &desc->tx_dma_desc; - - if (txd->flags & DMA_PREP_INTERRUPT) - dmaengine_desc_get_callback_invoke(txd, NULL); + spin_lock_irq(&atchan->lock); + if (list_empty(&atchan->xfers_list)) { + spin_unlock_irq(&atchan->lock); + return; } + desc = list_first_entry(&atchan->xfers_list, struct at_xdmac_desc, + xfer_node); + spin_unlock_irq(&atchan->lock); + txd = &desc->tx_dma_desc; + if (txd->flags & DMA_PREP_INTERRUPT) + dmaengine_desc_get_callback_invoke(txd, NULL); } static void at_xdmac_handle_error(struct at_xdmac_chan *atchan) diff --git a/drivers/dma/mmp_pdma.c b/drivers/dma/mmp_pdma.c index 7fe494fc50d4eb3935486b3d77b48f47d21c82ff..ec186cf8b8af1762450f84f631d3bded10815bc1 100644 --- a/drivers/dma/mmp_pdma.c +++ b/drivers/dma/mmp_pdma.c @@ -728,12 +728,6 @@ static int mmp_pdma_config_write(struct dma_chan *dchan, chan->dir = direction; chan->dev_addr = addr; - /* FIXME: drivers should be ported over to use the filter - * function. Once that's done, the following two lines can - * be removed. - */ - if (cfg->slave_id) - chan->drcmr = cfg->slave_id; return 0; } diff --git a/drivers/dma/pxa_dma.c b/drivers/dma/pxa_dma.c index 349fb312c8725678a2a1268a4371047dbcb2ed11..b4ef4f19f7decb9c007a3ecfa369ba974fd1faca 100644 --- a/drivers/dma/pxa_dma.c +++ b/drivers/dma/pxa_dma.c @@ -911,13 +911,6 @@ static void pxad_get_config(struct pxad_chan *chan, *dcmd |= PXA_DCMD_BURST16; else if (maxburst == 32) *dcmd |= PXA_DCMD_BURST32; - - /* FIXME: drivers should be ported over to use the filter - * function. Once that's done, the following two lines can - * be removed. - */ - if (chan->cfg.slave_id) - chan->drcmr = chan->cfg.slave_id; } static struct dma_async_tx_descriptor * diff --git a/drivers/dma/st_fdma.c b/drivers/dma/st_fdma.c index 67087dbe2f9facd8690616304ab7eb1e076c6e8a..f7393c19a1ba384f4f6df6a027f0c2d995bc9f2c 100644 --- a/drivers/dma/st_fdma.c +++ b/drivers/dma/st_fdma.c @@ -873,4 +873,4 @@ MODULE_LICENSE("GPL v2"); MODULE_DESCRIPTION("STMicroelectronics FDMA engine driver"); MODULE_AUTHOR("Ludovic.barre "); MODULE_AUTHOR("Peter Griffin "); -MODULE_ALIAS("platform: " DRIVER_NAME); +MODULE_ALIAS("platform:" DRIVER_NAME); diff --git a/drivers/dma/stm32-mdma.c b/drivers/dma/stm32-mdma.c index ee1cbf3be75d5b9c6136b3f8908792af4656f92c..a05355d1292e8559b5287ac5241111d1c5fe117b 100644 --- a/drivers/dma/stm32-mdma.c +++ b/drivers/dma/stm32-mdma.c @@ -184,7 +184,7 @@ #define STM32_MDMA_CTBR(x) (0x68 + 0x40 * (x)) #define STM32_MDMA_CTBR_DBUS BIT(17) #define STM32_MDMA_CTBR_SBUS BIT(16) -#define STM32_MDMA_CTBR_TSEL_MASK GENMASK(7, 0) +#define STM32_MDMA_CTBR_TSEL_MASK GENMASK(5, 0) #define STM32_MDMA_CTBR_TSEL(n) STM32_MDMA_SET(n, \ STM32_MDMA_CTBR_TSEL_MASK) diff --git a/drivers/edac/altera_edac.c b/drivers/edac/altera_edac.c index 0be3d1b17f0345a314bc1a664c4c8ed83381ad31..a09a5041e74c813afa869075b9543fbc4974e1f3 100644 --- a/drivers/edac/altera_edac.c +++ b/drivers/edac/altera_edac.c @@ -349,7 +349,7 @@ static int altr_sdram_probe(struct platform_device *pdev) if (irq < 0) { edac_printk(KERN_ERR, EDAC_MC, "No irq %d in DT\n", irq); - return -ENODEV; + return irq; } /* Arria10 has a 2nd IRQ */ diff --git a/drivers/edac/synopsys_edac.c b/drivers/edac/synopsys_edac.c index 6becf3363ad57a57ea57d5c2ea35ad68c5db4628..d23a0782fb49c6452f61affb1d9050f2d5207a58 100644 --- a/drivers/edac/synopsys_edac.c +++ b/drivers/edac/synopsys_edac.c @@ -1351,8 +1351,7 @@ static int mc_probe(struct platform_device *pdev) } } - if (of_device_is_compatible(pdev->dev.of_node, - "xlnx,zynqmp-ddrc-2.40a")) + if (priv->p_data->quirks & DDR_ECC_INTR_SUPPORT) setup_address_map(priv); #endif diff --git a/drivers/edac/xgene_edac.c b/drivers/edac/xgene_edac.c index e4a1032ba0b58a4e93dc055e94dce2181c351277..cd9926e5189675594effbaf2940a4ba254fb4053 100644 --- a/drivers/edac/xgene_edac.c +++ b/drivers/edac/xgene_edac.c @@ -1922,7 +1922,7 @@ static int xgene_edac_probe(struct platform_device *pdev) irq = platform_get_irq(pdev, i); if (irq < 0) { dev_err(&pdev->dev, "No IRQ resource\n"); - rc = -EINVAL; + rc = irq; goto out_err; } rc = devm_request_irq(&pdev->dev, irq, diff --git a/drivers/firmware/arm_scmi/scmi_pm_domain.c b/drivers/firmware/arm_scmi/scmi_pm_domain.c index 041f8152272bf51242fe683ea71a7ceddc4ddd9e..177874adccf0d47a77f61819405cf1bdc14b5aaf 100644 --- a/drivers/firmware/arm_scmi/scmi_pm_domain.c +++ b/drivers/firmware/arm_scmi/scmi_pm_domain.c @@ -106,9 +106,7 @@ static int scmi_pm_domain_probe(struct scmi_device *sdev) scmi_pd_data->domains = domains; scmi_pd_data->num_domains = num_domains; - of_genpd_add_provider_onecell(np, scmi_pd_data); - - return 0; + return of_genpd_add_provider_onecell(np, scmi_pd_data); } static const struct scmi_device_id scmi_id_table[] = { diff --git a/drivers/firmware/google/Kconfig b/drivers/firmware/google/Kconfig index a3a6ca659ffa3dfb20825c3b7c87efcdce17eec9..2fba0aa7fc54d009b4b38698d23e41d7dd47d4ea 100644 --- a/drivers/firmware/google/Kconfig +++ b/drivers/firmware/google/Kconfig @@ -3,9 +3,9 @@ menuconfig GOOGLE_FIRMWARE bool "Google Firmware Drivers" default n help - These firmware drivers are used by Google's servers. They are - only useful if you are working directly on one of their - proprietary servers. If in doubt, say "N". + These firmware drivers are used by Google servers, + Chromebooks and other devices using coreboot firmware. + If in doubt, say "N". if GOOGLE_FIRMWARE diff --git a/drivers/firmware/qemu_fw_cfg.c b/drivers/firmware/qemu_fw_cfg.c index 59db70fb4561447a9928f1e84bc65b7e63cac989..314b9bb78e437fdf1532016865962155b27891fa 100644 --- a/drivers/firmware/qemu_fw_cfg.c +++ b/drivers/firmware/qemu_fw_cfg.c @@ -385,9 +385,7 @@ static void fw_cfg_sysfs_cache_cleanup(void) struct fw_cfg_sysfs_entry *entry, *next; list_for_each_entry_safe(entry, next, &fw_cfg_entry_cache, list) { - /* will end up invoking fw_cfg_sysfs_cache_delist() - * via each object's release() method (i.e. destructor) - */ + fw_cfg_sysfs_cache_delist(entry); kobject_put(&entry->kobj); } } @@ -445,7 +443,6 @@ static void fw_cfg_sysfs_release_entry(struct kobject *kobj) { struct fw_cfg_sysfs_entry *entry = to_entry(kobj); - fw_cfg_sysfs_cache_delist(entry); kfree(entry); } @@ -598,20 +595,18 @@ static int fw_cfg_register_file(const struct fw_cfg_file *f) /* set file entry information */ entry->size = be32_to_cpu(f->size); entry->select = be16_to_cpu(f->select); - memcpy(entry->name, f->name, FW_CFG_MAX_FILE_PATH); + strscpy(entry->name, f->name, FW_CFG_MAX_FILE_PATH); /* register entry under "/sys/firmware/qemu_fw_cfg/by_key/" */ err = kobject_init_and_add(&entry->kobj, &fw_cfg_sysfs_entry_ktype, fw_cfg_sel_ko, "%d", entry->select); - if (err) { - kobject_put(&entry->kobj); - return err; - } + if (err) + goto err_put_entry; /* add raw binary content access */ err = sysfs_create_bin_file(&entry->kobj, &fw_cfg_sysfs_attr_raw); if (err) - goto err_add_raw; + goto err_del_entry; /* try adding "/sys/firmware/qemu_fw_cfg/by_name/" symlink */ fw_cfg_build_symlink(fw_cfg_fname_kset, &entry->kobj, entry->name); @@ -620,9 +615,10 @@ static int fw_cfg_register_file(const struct fw_cfg_file *f) fw_cfg_sysfs_cache_enlist(entry); return 0; -err_add_raw: +err_del_entry: kobject_del(&entry->kobj); - kfree(entry); +err_put_entry: + kobject_put(&entry->kobj); return err; } diff --git a/drivers/firmware/scpi_pm_domain.c b/drivers/firmware/scpi_pm_domain.c index 51201600d789b9cf6dd4e6c72b59597625b8550d..800673910b5111c837e5aa98dec0096f8848dfc9 100644 --- a/drivers/firmware/scpi_pm_domain.c +++ b/drivers/firmware/scpi_pm_domain.c @@ -16,7 +16,6 @@ struct scpi_pm_domain { struct generic_pm_domain genpd; struct scpi_ops *ops; u32 domain; - char name[30]; }; /* @@ -110,8 +109,13 @@ static int scpi_pm_domain_probe(struct platform_device *pdev) scpi_pd->domain = i; scpi_pd->ops = scpi_ops; - sprintf(scpi_pd->name, "%pOFn.%d", np, i); - scpi_pd->genpd.name = scpi_pd->name; + scpi_pd->genpd.name = devm_kasprintf(dev, GFP_KERNEL, + "%pOFn.%d", np, i); + if (!scpi_pd->genpd.name) { + dev_err(dev, "Failed to allocate genpd name:%pOFn.%d\n", + np, i); + continue; + } scpi_pd->genpd.power_off = scpi_pd_power_off; scpi_pd->genpd.power_on = scpi_pd_power_on; diff --git a/drivers/gpio/gpio-aspeed.c b/drivers/gpio/gpio-aspeed.c index 2820c59b5f0719d52a1ec7db20b710a7e0a82341..22e0d6fcab1c4fe979c0cdde37ef86e3db70024a 100644 --- a/drivers/gpio/gpio-aspeed.c +++ b/drivers/gpio/gpio-aspeed.c @@ -53,7 +53,7 @@ struct aspeed_gpio_config { struct aspeed_gpio { struct gpio_chip chip; struct irq_chip irqc; - spinlock_t lock; + raw_spinlock_t lock; void __iomem *base; int irq; const struct aspeed_gpio_config *config; @@ -413,14 +413,14 @@ static void aspeed_gpio_set(struct gpio_chip *gc, unsigned int offset, unsigned long flags; bool copro; - spin_lock_irqsave(&gpio->lock, flags); + raw_spin_lock_irqsave(&gpio->lock, flags); copro = aspeed_gpio_copro_request(gpio, offset); __aspeed_gpio_set(gc, offset, val); if (copro) aspeed_gpio_copro_release(gpio, offset); - spin_unlock_irqrestore(&gpio->lock, flags); + raw_spin_unlock_irqrestore(&gpio->lock, flags); } static int aspeed_gpio_dir_in(struct gpio_chip *gc, unsigned int offset) @@ -435,7 +435,7 @@ static int aspeed_gpio_dir_in(struct gpio_chip *gc, unsigned int offset) if (!have_input(gpio, offset)) return -ENOTSUPP; - spin_lock_irqsave(&gpio->lock, flags); + raw_spin_lock_irqsave(&gpio->lock, flags); reg = ioread32(addr); reg &= ~GPIO_BIT(offset); @@ -445,7 +445,7 @@ static int aspeed_gpio_dir_in(struct gpio_chip *gc, unsigned int offset) if (copro) aspeed_gpio_copro_release(gpio, offset); - spin_unlock_irqrestore(&gpio->lock, flags); + raw_spin_unlock_irqrestore(&gpio->lock, flags); return 0; } @@ -463,7 +463,7 @@ static int aspeed_gpio_dir_out(struct gpio_chip *gc, if (!have_output(gpio, offset)) return -ENOTSUPP; - spin_lock_irqsave(&gpio->lock, flags); + raw_spin_lock_irqsave(&gpio->lock, flags); reg = ioread32(addr); reg |= GPIO_BIT(offset); @@ -474,7 +474,7 @@ static int aspeed_gpio_dir_out(struct gpio_chip *gc, if (copro) aspeed_gpio_copro_release(gpio, offset); - spin_unlock_irqrestore(&gpio->lock, flags); + raw_spin_unlock_irqrestore(&gpio->lock, flags); return 0; } @@ -492,11 +492,11 @@ static int aspeed_gpio_get_direction(struct gpio_chip *gc, unsigned int offset) if (!have_output(gpio, offset)) return 1; - spin_lock_irqsave(&gpio->lock, flags); + raw_spin_lock_irqsave(&gpio->lock, flags); val = ioread32(bank_reg(gpio, bank, reg_dir)) & GPIO_BIT(offset); - spin_unlock_irqrestore(&gpio->lock, flags); + raw_spin_unlock_irqrestore(&gpio->lock, flags); return !val; @@ -540,14 +540,14 @@ static void aspeed_gpio_irq_ack(struct irq_data *d) status_addr = bank_reg(gpio, bank, reg_irq_status); - spin_lock_irqsave(&gpio->lock, flags); + raw_spin_lock_irqsave(&gpio->lock, flags); copro = aspeed_gpio_copro_request(gpio, offset); iowrite32(bit, status_addr); if (copro) aspeed_gpio_copro_release(gpio, offset); - spin_unlock_irqrestore(&gpio->lock, flags); + raw_spin_unlock_irqrestore(&gpio->lock, flags); } static void aspeed_gpio_irq_set_mask(struct irq_data *d, bool set) @@ -566,7 +566,7 @@ static void aspeed_gpio_irq_set_mask(struct irq_data *d, bool set) addr = bank_reg(gpio, bank, reg_irq_enable); - spin_lock_irqsave(&gpio->lock, flags); + raw_spin_lock_irqsave(&gpio->lock, flags); copro = aspeed_gpio_copro_request(gpio, offset); reg = ioread32(addr); @@ -578,7 +578,7 @@ static void aspeed_gpio_irq_set_mask(struct irq_data *d, bool set) if (copro) aspeed_gpio_copro_release(gpio, offset); - spin_unlock_irqrestore(&gpio->lock, flags); + raw_spin_unlock_irqrestore(&gpio->lock, flags); } static void aspeed_gpio_irq_mask(struct irq_data *d) @@ -630,7 +630,7 @@ static int aspeed_gpio_set_type(struct irq_data *d, unsigned int type) return -EINVAL; } - spin_lock_irqsave(&gpio->lock, flags); + raw_spin_lock_irqsave(&gpio->lock, flags); copro = aspeed_gpio_copro_request(gpio, offset); addr = bank_reg(gpio, bank, reg_irq_type0); @@ -650,7 +650,7 @@ static int aspeed_gpio_set_type(struct irq_data *d, unsigned int type) if (copro) aspeed_gpio_copro_release(gpio, offset); - spin_unlock_irqrestore(&gpio->lock, flags); + raw_spin_unlock_irqrestore(&gpio->lock, flags); irq_set_handler_locked(d, handler); @@ -720,7 +720,7 @@ static int aspeed_gpio_reset_tolerance(struct gpio_chip *chip, treg = bank_reg(gpio, to_bank(offset), reg_tolerance); - spin_lock_irqsave(&gpio->lock, flags); + raw_spin_lock_irqsave(&gpio->lock, flags); copro = aspeed_gpio_copro_request(gpio, offset); val = readl(treg); @@ -734,7 +734,7 @@ static int aspeed_gpio_reset_tolerance(struct gpio_chip *chip, if (copro) aspeed_gpio_copro_release(gpio, offset); - spin_unlock_irqrestore(&gpio->lock, flags); + raw_spin_unlock_irqrestore(&gpio->lock, flags); return 0; } @@ -860,7 +860,7 @@ static int enable_debounce(struct gpio_chip *chip, unsigned int offset, return rc; } - spin_lock_irqsave(&gpio->lock, flags); + raw_spin_lock_irqsave(&gpio->lock, flags); if (timer_allocation_registered(gpio, offset)) { rc = unregister_allocated_timer(gpio, offset); @@ -920,7 +920,7 @@ static int enable_debounce(struct gpio_chip *chip, unsigned int offset, configure_timer(gpio, offset, i); out: - spin_unlock_irqrestore(&gpio->lock, flags); + raw_spin_unlock_irqrestore(&gpio->lock, flags); return rc; } @@ -931,13 +931,13 @@ static int disable_debounce(struct gpio_chip *chip, unsigned int offset) unsigned long flags; int rc; - spin_lock_irqsave(&gpio->lock, flags); + raw_spin_lock_irqsave(&gpio->lock, flags); rc = unregister_allocated_timer(gpio, offset); if (!rc) configure_timer(gpio, offset, 0); - spin_unlock_irqrestore(&gpio->lock, flags); + raw_spin_unlock_irqrestore(&gpio->lock, flags); return rc; } @@ -1019,7 +1019,7 @@ int aspeed_gpio_copro_grab_gpio(struct gpio_desc *desc, return -EINVAL; bindex = offset >> 3; - spin_lock_irqsave(&gpio->lock, flags); + raw_spin_lock_irqsave(&gpio->lock, flags); /* Sanity check, this shouldn't happen */ if (gpio->cf_copro_bankmap[bindex] == 0xff) { @@ -1040,7 +1040,7 @@ int aspeed_gpio_copro_grab_gpio(struct gpio_desc *desc, if (bit) *bit = GPIO_OFFSET(offset); bail: - spin_unlock_irqrestore(&gpio->lock, flags); + raw_spin_unlock_irqrestore(&gpio->lock, flags); return rc; } EXPORT_SYMBOL_GPL(aspeed_gpio_copro_grab_gpio); @@ -1064,7 +1064,7 @@ int aspeed_gpio_copro_release_gpio(struct gpio_desc *desc) return -EINVAL; bindex = offset >> 3; - spin_lock_irqsave(&gpio->lock, flags); + raw_spin_lock_irqsave(&gpio->lock, flags); /* Sanity check, this shouldn't happen */ if (gpio->cf_copro_bankmap[bindex] == 0) { @@ -1078,7 +1078,7 @@ int aspeed_gpio_copro_release_gpio(struct gpio_desc *desc) aspeed_gpio_change_cmd_source(gpio, bank, bindex, GPIO_CMDSRC_ARM); bail: - spin_unlock_irqrestore(&gpio->lock, flags); + raw_spin_unlock_irqrestore(&gpio->lock, flags); return rc; } EXPORT_SYMBOL_GPL(aspeed_gpio_copro_release_gpio); @@ -1151,7 +1151,7 @@ static int __init aspeed_gpio_probe(struct platform_device *pdev) if (IS_ERR(gpio->base)) return PTR_ERR(gpio->base); - spin_lock_init(&gpio->lock); + raw_spin_lock_init(&gpio->lock); gpio_id = of_match_node(aspeed_gpio_of_table, pdev->dev.of_node); if (!gpio_id) diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c index e3ddc99c105d4b94e8780d2b0598ba14f17192a5..13c6eee481da72f2d51837269f3fd4b0089d4715 100644 --- a/drivers/gpio/gpiolib-acpi.c +++ b/drivers/gpio/gpiolib-acpi.c @@ -953,10 +953,17 @@ int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) irq_flags = acpi_dev_get_irq_type(info.triggering, info.polarity); - /* Set type if specified and different than the current one */ - if (irq_flags != IRQ_TYPE_NONE && - irq_flags != irq_get_trigger_type(irq)) - irq_set_irq_type(irq, irq_flags); + /* + * If the IRQ is not already in use then set type + * if specified and different than the current one. + */ + if (can_request_irq(irq, irq_flags)) { + if (irq_flags != IRQ_TYPE_NONE && + irq_flags != irq_get_trigger_type(irq)) + irq_set_irq_type(irq, irq_flags); + } else { + dev_dbg(&adev->dev, "IRQ %d already in use\n", irq); + } return irq; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c index cda0a76a733d3d6f0800cc6010caae1c1ad6eb00..0e1cacf731698e4d16f8c75fc0daee9b59896630 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c @@ -389,6 +389,9 @@ amdgpu_connector_lcd_native_mode(struct drm_encoder *encoder) native_mode->vdisplay != 0 && native_mode->clock != 0) { mode = drm_mode_duplicate(dev, native_mode); + if (!mode) + return NULL; + mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER; drm_mode_set_name(mode); @@ -403,6 +406,9 @@ amdgpu_connector_lcd_native_mode(struct drm_encoder *encoder) * simpler. */ mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false); + if (!mode) + return NULL; + mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER; DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name); } @@ -829,6 +835,7 @@ static int amdgpu_connector_vga_get_modes(struct drm_connector *connector) amdgpu_connector_get_edid(connector); ret = amdgpu_connector_ddc_get_modes(connector); + amdgpu_get_native_mode(connector); return ret; } diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index 06cdc22b5501d26af8c770ddce8ca9d8a945ac67..5906a8951a6c63af21d3b9b175bd506282824e33 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -2906,8 +2906,8 @@ static void gfx_v9_0_init_pg(struct amdgpu_device *adev) AMD_PG_SUPPORT_CP | AMD_PG_SUPPORT_GDS | AMD_PG_SUPPORT_RLC_SMU_HS)) { - WREG32(mmRLC_JUMP_TABLE_RESTORE, - adev->gfx.rlc.cp_table_gpu_addr >> 8); + WREG32_SOC15(GC, 0, mmRLC_JUMP_TABLE_RESTORE, + adev->gfx.rlc.cp_table_gpu_addr >> 8); gfx_v9_0_init_gfx_power_gating(adev); } } diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c index ea764dd9245dba23a28bca0d6dd39c49838f43b7..2975331a7b867bc36d9ee81b67dd65920588ee97 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c @@ -524,10 +524,10 @@ static void gmc_v8_0_mc_program(struct amdgpu_device *adev) static int gmc_v8_0_mc_init(struct amdgpu_device *adev) { int r; + u32 tmp; adev->gmc.vram_width = amdgpu_atombios_get_vram_width(adev); if (!adev->gmc.vram_width) { - u32 tmp; int chansize, numchan; /* Get VRAM informations */ @@ -571,8 +571,15 @@ static int gmc_v8_0_mc_init(struct amdgpu_device *adev) adev->gmc.vram_width = numchan * chansize; } /* size in MB on si */ - adev->gmc.mc_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL; - adev->gmc.real_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL; + tmp = RREG32(mmCONFIG_MEMSIZE); + /* some boards may have garbage in the upper 16 bits */ + if (tmp & 0xffff0000) { + DRM_INFO("Probable bad vram size: 0x%08x\n", tmp); + if (tmp & 0xffff) + tmp &= 0xffff; + } + adev->gmc.mc_vram_size = tmp * 1024ULL * 1024ULL; + adev->gmc.real_vram_size = adev->gmc.mc_vram_size; if (!(adev->flags & AMD_IS_APU)) { r = amdgpu_device_resize_fb_bar(adev); diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c index f0b001b3af578bc7f320f41533c35456b1ec629f..883ee517673bd483b5c63ed01a5541f7f12e71d2 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c @@ -221,6 +221,14 @@ int amdgpu_dm_crtc_set_crc_source(struct drm_crtc *crtc, const char *src_name) ret = -EINVAL; goto cleanup; } + + if ((aconn->base.connector_type != DRM_MODE_CONNECTOR_DisplayPort) && + (aconn->base.connector_type != DRM_MODE_CONNECTOR_eDP)) { + DRM_DEBUG_DRIVER("No DP connector available for CRC source\n"); + ret = -EINVAL; + goto cleanup; + } + } if (amdgpu_dm_crtc_configure_crc_source(crtc, crtc_state, source)) { diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c index f25ac17f47fa9f7da19512a19db07297ce91a660..95a5310e9e6617c9999cedd5f902cb9a48aa9e68 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c @@ -1546,6 +1546,10 @@ bool dc_is_stream_unchanged( if (old_stream->ignore_msa_timing_param != stream->ignore_msa_timing_param) return false; + // Only Have Audio left to check whether it is same or not. This is a corner case for Tiled sinks + if (old_stream->audio_info.mode_count != stream->audio_info.mode_count) + return false; + return true; } diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c index 914c569ab8c15d10e58e3194f7b4b921816cdb93..cab3f5c4e2fc8368e8819fc5fc27d6cae1df16c9 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c @@ -1086,11 +1086,21 @@ int analogix_dp_send_psr_spd(struct analogix_dp_device *dp, if (!blocking) return 0; + /* + * db[1]!=0: entering PSR, wait for fully active remote frame buffer. + * db[1]==0: exiting PSR, wait for either + * (a) ACTIVE_RESYNC - the sink "must display the + * incoming active frames from the Source device with no visible + * glitches and/or artifacts", even though timings may still be + * re-synchronizing; or + * (b) INACTIVE - the transition is fully complete. + */ ret = readx_poll_timeout(analogix_dp_get_psr_status, dp, psr_status, psr_status >= 0 && ((vsc->db[1] && psr_status == DP_PSR_SINK_ACTIVE_RFB) || - (!vsc->db[1] && psr_status == DP_PSR_SINK_INACTIVE)), 1500, - DP_TIMEOUT_PSR_LOOP_MS * 1000); + (!vsc->db[1] && (psr_status == DP_PSR_SINK_ACTIVE_RESYNC || + psr_status == DP_PSR_SINK_INACTIVE))), + 1500, DP_TIMEOUT_PSR_LOOP_MS * 1000); if (ret) { dev_warn(dp->dev, "Failed to apply PSR %d\n", ret); return ret; diff --git a/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c b/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c index b050fd1f3d201da1e2b0c18ba1133c8193b11151..5302dd90a7a5f39cfa60a9584f6d51efb3a0e9b6 100644 --- a/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c +++ b/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c @@ -291,19 +291,10 @@ static void ge_b850v3_lvds_remove(void) mutex_unlock(&ge_b850v3_lvds_dev_mutex); } -static int stdp4028_ge_b850v3_fw_probe(struct i2c_client *stdp4028_i2c, - const struct i2c_device_id *id) +static int ge_b850v3_register(void) { + struct i2c_client *stdp4028_i2c = ge_b850v3_lvds_ptr->stdp4028_i2c; struct device *dev = &stdp4028_i2c->dev; - int ret; - - ret = ge_b850v3_lvds_init(dev); - - if (ret) - return ret; - - ge_b850v3_lvds_ptr->stdp4028_i2c = stdp4028_i2c; - i2c_set_clientdata(stdp4028_i2c, ge_b850v3_lvds_ptr); /* drm bridge initialization */ ge_b850v3_lvds_ptr->bridge.funcs = &ge_b850v3_lvds_funcs; @@ -325,6 +316,27 @@ static int stdp4028_ge_b850v3_fw_probe(struct i2c_client *stdp4028_i2c, "ge-b850v3-lvds-dp", ge_b850v3_lvds_ptr); } +static int stdp4028_ge_b850v3_fw_probe(struct i2c_client *stdp4028_i2c, + const struct i2c_device_id *id) +{ + struct device *dev = &stdp4028_i2c->dev; + int ret; + + ret = ge_b850v3_lvds_init(dev); + + if (ret) + return ret; + + ge_b850v3_lvds_ptr->stdp4028_i2c = stdp4028_i2c; + i2c_set_clientdata(stdp4028_i2c, ge_b850v3_lvds_ptr); + + /* Only register after both bridges are probed */ + if (!ge_b850v3_lvds_ptr->stdp2690_i2c) + return 0; + + return ge_b850v3_register(); +} + static int stdp4028_ge_b850v3_fw_remove(struct i2c_client *stdp4028_i2c) { ge_b850v3_lvds_remove(); @@ -368,7 +380,11 @@ static int stdp2690_ge_b850v3_fw_probe(struct i2c_client *stdp2690_i2c, ge_b850v3_lvds_ptr->stdp2690_i2c = stdp2690_i2c; i2c_set_clientdata(stdp2690_i2c, ge_b850v3_lvds_ptr); - return 0; + /* Only register after both bridges are probed */ + if (!ge_b850v3_lvds_ptr->stdp4028_i2c) + return 0; + + return ge_b850v3_register(); } static int stdp2690_ge_b850v3_fw_remove(struct i2c_client *stdp2690_i2c) diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c index f1de4bb6558caa30de6b88da2326331f05132f8c..dbb4a374cb6460934002f5ffc64679f46786cddb 100644 --- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c +++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c @@ -115,6 +115,7 @@ static const struct regmap_config ti_sn_bridge_regmap_config = { .val_bits = 8, .volatile_table = &ti_sn_bridge_volatile_table, .cache_type = REGCACHE_NONE, + .max_register = 0xFF, }; static void ti_sn_bridge_write_u16(struct ti_sn_bridge *pdata, diff --git a/drivers/gpu/drm/drm_panel_orientation_quirks.c b/drivers/gpu/drm/drm_panel_orientation_quirks.c index a950d5db211c51547fbb3f4fa98a4cb68d41af64..448c2f2d803a6296e67c4b72b92d00afb95d83cc 100644 --- a/drivers/gpu/drm/drm_panel_orientation_quirks.c +++ b/drivers/gpu/drm/drm_panel_orientation_quirks.c @@ -115,6 +115,12 @@ static const struct drm_dmi_panel_orientation_data lcd1280x1920_rightside_up = { .orientation = DRM_MODE_PANEL_ORIENTATION_RIGHT_UP, }; +static const struct drm_dmi_panel_orientation_data lcd1600x2560_leftside_up = { + .width = 1600, + .height = 2560, + .orientation = DRM_MODE_PANEL_ORIENTATION_LEFT_UP, +}; + static const struct dmi_system_id orientation_data[] = { { /* Acer One 10 (S1003) */ .matches = { @@ -248,6 +254,12 @@ static const struct dmi_system_id orientation_data[] = { DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Lenovo ideapad D330-10IGM"), }, .driver_data = (void *)&lcd1200x1920_rightside_up, + }, { /* Lenovo Yoga Book X90F / X91F / X91L */ + .matches = { + /* Non exact match to match all versions */ + DMI_MATCH(DMI_PRODUCT_NAME, "Lenovo YB1-X9"), + }, + .driver_data = (void *)&lcd1200x1920_rightside_up, }, { /* OneGX1 Pro */ .matches = { DMI_EXACT_MATCH(DMI_SYS_VENDOR, "SYSTEM_MANUFACTURER"), @@ -255,6 +267,12 @@ static const struct dmi_system_id orientation_data[] = { DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Default string"), }, .driver_data = (void *)&onegx1_pro, + }, { /* OneXPlayer */ + .matches = { + DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ONE-NETBOOK TECHNOLOGY CO., LTD."), + DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ONE XPLAYER"), + }, + .driver_data = (void *)&lcd1600x2560_leftside_up, }, { /* Samsung GalaxyBook 10.6 */ .matches = { DMI_EXACT_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."), diff --git a/drivers/gpu/drm/drm_syncobj.c b/drivers/gpu/drm/drm_syncobj.c index 8fdb271354061c667715affcd4704c4c64aaaf71..e558381c4c96e3126123142a0e66793d52fdf210 100644 --- a/drivers/gpu/drm/drm_syncobj.c +++ b/drivers/gpu/drm/drm_syncobj.c @@ -329,8 +329,17 @@ int drm_syncobj_find_fence(struct drm_file *file_private, if (*fence) { ret = dma_fence_chain_find_seqno(fence, point); - if (!ret) + if (!ret) { + /* If the requested seqno is already signaled + * drm_syncobj_find_fence may return a NULL + * fence. To make sure the recipient gets + * signalled, use a new fence instead. + */ + if (!*fence) + *fence = dma_fence_get_stub(); + goto out; + } dma_fence_put(*fence); } else { ret = -EINVAL; diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c index 7085b08b1db4201d8578f222ec59c99504960c68..9baf5af919e1ea7fb5c2468f7019e494f34e9c1e 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c @@ -471,6 +471,12 @@ int etnaviv_ioctl_gem_submit(struct drm_device *dev, void *data, return -EINVAL; } + if (args->stream_size > SZ_128K || args->nr_relocs > SZ_128K || + args->nr_bos > SZ_128K || args->nr_pmrs > 128) { + DRM_ERROR("submit arguments out of size limits\n"); + return -EINVAL; + } + /* * Copy the command submission and bo array to kernel space in * one go, and do this outside of any locks. diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index abc8c42b8b0c1476e36c3f49728ba6bd80e825d4..85583f91463053dd915878faedebe652dc356c64 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -166,6 +166,12 @@ static void vlv_steal_power_sequencer(struct drm_i915_private *dev_priv, enum pipe pipe); static void intel_dp_unset_edid(struct intel_dp *intel_dp); +static void intel_dp_set_default_sink_rates(struct intel_dp *intel_dp) +{ + intel_dp->sink_rates[0] = 162000; + intel_dp->num_sink_rates = 1; +} + /* update sink rates from dpcd */ static void intel_dp_set_sink_rates(struct intel_dp *intel_dp) { @@ -4261,6 +4267,9 @@ intel_edp_init_dpcd(struct intel_dp *intel_dp) */ intel_psr_init_dpcd(intel_dp); + /* Clear the default sink rates */ + intel_dp->num_sink_rates = 0; + /* Read the eDP 1.4+ supported link rates. */ if (intel_dp->edp_dpcd[0] >= DP_EDP_14) { __le16 sink_rates[DP_MAX_SUPPORTED_RATES]; @@ -7167,6 +7176,8 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port, return false; intel_dp_set_source_rates(intel_dp); + intel_dp_set_default_sink_rates(intel_dp); + intel_dp_set_common_rates(intel_dp); intel_dp->reset_link_params = true; intel_dp->pps_pipe = INVALID_PIPE; diff --git a/drivers/gpu/drm/i915/display/intel_overlay.c b/drivers/gpu/drm/i915/display/intel_overlay.c index 29edfc3437163c74e02ad6205eead6e65b3904dc..aeb7cb651fa4f9b25cb244ad63ee7b9fdee228de 100644 --- a/drivers/gpu/drm/i915/display/intel_overlay.c +++ b/drivers/gpu/drm/i915/display/intel_overlay.c @@ -913,6 +913,9 @@ static int check_overlay_dst(struct intel_overlay *overlay, const struct intel_crtc_state *pipe_config = overlay->crtc->config; + if (rec->dst_height == 0 || rec->dst_width == 0) + return -EINVAL; + if (rec->dst_x < pipe_config->pipe_src_w && rec->dst_x + rec->dst_width <= pipe_config->pipe_src_w && rec->dst_y < pipe_config->pipe_src_h && diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h index 08b35587bc6dc30f92d971ad7cd1bdaa6bd6e690..352c102f3459ca9b551856f7e9b2bf7aefbc9a1d 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h @@ -118,6 +118,9 @@ struct drm_i915_gem_object { I915_SELFTEST_DECLARE(struct list_head st_link); + unsigned long flags; +#define I915_BO_WAS_BOUND_BIT 0 + /* * Is the object to be mapped as read-only to the GPU * Only honoured if hardware has relevant pte bit diff --git a/drivers/gpu/drm/i915/gem/i915_gem_pages.c b/drivers/gpu/drm/i915/gem/i915_gem_pages.c index 18f0ce0135c179745969da6abdb71a62bf0e826c..aa63fa0ab575eda2144dd456237c5b9156ea85e6 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_pages.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_pages.c @@ -8,6 +8,8 @@ #include "i915_gem_object.h" #include "i915_scatterlist.h" +#include "gt/intel_gt.h" + void __i915_gem_object_set_pages(struct drm_i915_gem_object *obj, struct sg_table *pages, unsigned int sg_page_sizes) @@ -176,6 +178,14 @@ __i915_gem_object_unset_pages(struct drm_i915_gem_object *obj) __i915_gem_object_reset_page_iter(obj); obj->mm.page_sizes.phys = obj->mm.page_sizes.sg = 0; + if (test_and_clear_bit(I915_BO_WAS_BOUND_BIT, &obj->flags)) { + struct drm_i915_private *i915 = to_i915(obj->base.dev); + intel_wakeref_t wakeref; + + with_intel_runtime_pm_if_in_use(&i915->runtime_pm, wakeref) + intel_gt_invalidate_tlbs(&i915->gt); + } + return pages; } diff --git a/drivers/gpu/drm/i915/gt/intel_gt.c b/drivers/gpu/drm/i915/gt/intel_gt.c index d48ec9a76ed1635914e1dda606e29232ba1b2084..c8c070375d298cc432f7b5d66f513bb51fc28400 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt.c +++ b/drivers/gpu/drm/i915/gt/intel_gt.c @@ -15,6 +15,8 @@ void intel_gt_init_early(struct intel_gt *gt, struct drm_i915_private *i915) spin_lock_init(>->irq_lock); + mutex_init(>->tlb_invalidate_lock); + INIT_LIST_HEAD(>->closed_vma); spin_lock_init(>->closed_lock); @@ -266,3 +268,100 @@ void intel_gt_driver_late_release(struct intel_gt *gt) intel_uc_driver_late_release(>->uc); intel_gt_fini_reset(gt); } + +struct reg_and_bit { + i915_reg_t reg; + u32 bit; +}; + +static struct reg_and_bit +get_reg_and_bit(const struct intel_engine_cs *engine, const bool gen8, + const i915_reg_t *regs, const unsigned int num) +{ + const unsigned int class = engine->class; + struct reg_and_bit rb = { }; + + if (WARN_ON_ONCE(class >= num || !regs[class].reg)) + return rb; + + rb.reg = regs[class]; + if (gen8 && class == VIDEO_DECODE_CLASS) + rb.reg.reg += 4 * engine->instance; /* GEN8_M2TCR */ + else + rb.bit = engine->instance; + + rb.bit = BIT(rb.bit); + + return rb; +} + +void intel_gt_invalidate_tlbs(struct intel_gt *gt) +{ + static const i915_reg_t gen8_regs[] = { + [RENDER_CLASS] = GEN8_RTCR, + [VIDEO_DECODE_CLASS] = GEN8_M1TCR, /* , GEN8_M2TCR */ + [VIDEO_ENHANCEMENT_CLASS] = GEN8_VTCR, + [COPY_ENGINE_CLASS] = GEN8_BTCR, + }; + static const i915_reg_t gen12_regs[] = { + [RENDER_CLASS] = GEN12_GFX_TLB_INV_CR, + [VIDEO_DECODE_CLASS] = GEN12_VD_TLB_INV_CR, + [VIDEO_ENHANCEMENT_CLASS] = GEN12_VE_TLB_INV_CR, + [COPY_ENGINE_CLASS] = GEN12_BLT_TLB_INV_CR, + }; + struct drm_i915_private *i915 = gt->i915; + struct intel_uncore *uncore = gt->uncore; + struct intel_engine_cs *engine; + enum intel_engine_id id; + const i915_reg_t *regs; + unsigned int num = 0; + + if (I915_SELFTEST_ONLY(gt->awake == -ENODEV)) + return; + + if (INTEL_GEN(i915) == 12) { + regs = gen12_regs; + num = ARRAY_SIZE(gen12_regs); + } else if (INTEL_GEN(i915) >= 8 && INTEL_GEN(i915) <= 11) { + regs = gen8_regs; + num = ARRAY_SIZE(gen8_regs); + } else if (INTEL_GEN(i915) < 8) { + return; + } + + if (WARN_ONCE(!num, "Platform does not implement TLB invalidation!")) + return; + + GEM_TRACE("\n"); + + assert_rpm_wakelock_held(&i915->runtime_pm); + + mutex_lock(>->tlb_invalidate_lock); + intel_uncore_forcewake_get(uncore, FORCEWAKE_ALL); + + for_each_engine(engine, gt, id) { + /* + * HW architecture suggest typical invalidation time at 40us, + * with pessimistic cases up to 100us and a recommendation to + * cap at 1ms. We go a bit higher just in case. + */ + const unsigned int timeout_us = 100; + const unsigned int timeout_ms = 4; + struct reg_and_bit rb; + + rb = get_reg_and_bit(engine, regs == gen8_regs, regs, num); + if (!i915_mmio_reg_offset(rb.reg)) + continue; + + intel_uncore_write_fw(uncore, rb.reg, rb.bit); + if (__intel_wait_for_register_fw(uncore, + rb.reg, rb.bit, 0, + timeout_us, timeout_ms, + NULL)) + DRM_ERROR_RATELIMITED("%s TLB invalidation did not complete in %ums!\n", + engine->name, timeout_ms); + } + + intel_uncore_forcewake_put(uncore, FORCEWAKE_ALL); + mutex_unlock(>->tlb_invalidate_lock); +} diff --git a/drivers/gpu/drm/i915/gt/intel_gt.h b/drivers/gpu/drm/i915/gt/intel_gt.h index 4920cb351f1093212b5b06a4809c1b4d63f5d4e3..4eab15bdcd97be895147ebf4c5e9fed75ea4dd12 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt.h +++ b/drivers/gpu/drm/i915/gt/intel_gt.h @@ -57,4 +57,6 @@ static inline bool intel_gt_is_wedged(struct intel_gt *gt) void intel_gt_queue_hangcheck(struct intel_gt *gt); +void intel_gt_invalidate_tlbs(struct intel_gt *gt); + #endif /* __INTEL_GT_H__ */ diff --git a/drivers/gpu/drm/i915/gt/intel_gt_types.h b/drivers/gpu/drm/i915/gt/intel_gt_types.h index dc295c196d11c60810c6ee0fad0f1334ef3ef8d8..82a78719b32d5ad0978d6e348ac01762bf4eb2fe 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_types.h +++ b/drivers/gpu/drm/i915/gt/intel_gt_types.h @@ -40,6 +40,8 @@ struct intel_gt { struct intel_uc uc; + struct mutex tlb_invalidate_lock; + struct intel_gt_timelines { spinlock_t lock; /* protects active_list */ struct list_head active_list; diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 7b6e68f082f8c58b7da765e2b4c182eb3d9fe010..1386d0f5eac63768f3aa4d01fc6b3ece30d484c0 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -2519,6 +2519,12 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg) #define GAMT_CHKN_DISABLE_DYNAMIC_CREDIT_SHARING (1 << 28) #define GAMT_CHKN_DISABLE_I2M_CYCLE_ON_WR_PORT (1 << 24) +#define GEN8_RTCR _MMIO(0x4260) +#define GEN8_M1TCR _MMIO(0x4264) +#define GEN8_M2TCR _MMIO(0x4268) +#define GEN8_BTCR _MMIO(0x426c) +#define GEN8_VTCR _MMIO(0x4270) + #if 0 #define PRB0_TAIL _MMIO(0x2030) #define PRB0_HEAD _MMIO(0x2034) @@ -2602,6 +2608,11 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg) #define FAULT_VA_HIGH_BITS (0xf << 0) #define FAULT_GTT_SEL (1 << 4) +#define GEN12_GFX_TLB_INV_CR _MMIO(0xced8) +#define GEN12_VD_TLB_INV_CR _MMIO(0xcedc) +#define GEN12_VE_TLB_INV_CR _MMIO(0xcee0) +#define GEN12_BLT_TLB_INV_CR _MMIO(0xcee4) + #define FPGA_DBG _MMIO(0x42300) #define FPGA_DBG_RM_NOCLAIM (1 << 31) diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c index e0e677b2a3a94e8348b70fa7bdc9a3a41ad06140..c24f49ee10d7378bcaffa1ff0449d3c16a9409ea 100644 --- a/drivers/gpu/drm/i915/i915_vma.c +++ b/drivers/gpu/drm/i915/i915_vma.c @@ -341,6 +341,10 @@ int i915_vma_bind(struct i915_vma *vma, enum i915_cache_level cache_level, return ret; vma->flags |= bind_flags; + + if (vma->obj) + set_bit(I915_BO_WAS_BOUND_BIT, &vma->obj->flags); + return 0; } diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 91afeca0c6f825ea56ecf5adde311e5c53131ca7..e43a76b027a2a93ea0b70b2891b863ce9409eadc 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3017,9 +3017,9 @@ static void snb_wm_latency_quirk(struct drm_i915_private *dev_priv) * The BIOS provided WM memory latency values are often * inadequate for high resolution displays. Adjust them. */ - changed = ilk_increase_wm_latency(dev_priv, dev_priv->wm.pri_latency, 12) | - ilk_increase_wm_latency(dev_priv, dev_priv->wm.spr_latency, 12) | - ilk_increase_wm_latency(dev_priv, dev_priv->wm.cur_latency, 12); + changed = ilk_increase_wm_latency(dev_priv, dev_priv->wm.pri_latency, 12); + changed |= ilk_increase_wm_latency(dev_priv, dev_priv->wm.spr_latency, 12); + changed |= ilk_increase_wm_latency(dev_priv, dev_priv->wm.cur_latency, 12); if (!changed) return; diff --git a/drivers/gpu/drm/lima/lima_device.c b/drivers/gpu/drm/lima/lima_device.c index d86b8d81a483a7de826d58b0ea9be84dcb14620e..155971c57b2d5444cdd85e98b42853f8961cfca0 100644 --- a/drivers/gpu/drm/lima/lima_device.c +++ b/drivers/gpu/drm/lima/lima_device.c @@ -293,6 +293,7 @@ int lima_device_init(struct lima_device *ldev) struct resource *res; dma_set_coherent_mask(ldev->dev, DMA_BIT_MASK(32)); + dma_set_max_seg_size(ldev->dev, UINT_MAX); err = lima_clk_init(ldev); if (err) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c index 58b0485dc37500357f165690bc79ba3156c357c6..72f487692adbb46610f2bc2d1542601220d1b208 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c @@ -88,8 +88,8 @@ static int _dpu_danger_signal_status(struct seq_file *s, &status); } else { seq_puts(s, "\nSafe signal status:\n"); - if (kms->hw_mdp->ops.get_danger_status) - kms->hw_mdp->ops.get_danger_status(kms->hw_mdp, + if (kms->hw_mdp->ops.get_safe_status) + kms->hw_mdp->ops.get_safe_status(kms->hw_mdp, &status); } pm_runtime_put_sync(&kms->pdev->dev); diff --git a/drivers/gpu/drm/msm/dsi/dsi.c b/drivers/gpu/drm/msm/dsi/dsi.c index a11b98e9900191408041b2959822a346e43077b8..16194971a99f99416ebc184b987ccd60381f9cf8 100644 --- a/drivers/gpu/drm/msm/dsi/dsi.c +++ b/drivers/gpu/drm/msm/dsi/dsi.c @@ -33,7 +33,12 @@ static int dsi_get_phy(struct msm_dsi *msm_dsi) of_node_put(phy_node); - if (!phy_pdev || !msm_dsi->phy) { + if (!phy_pdev) { + DRM_DEV_ERROR(&pdev->dev, "%s: phy driver is not ready\n", __func__); + return -EPROBE_DEFER; + } + if (!msm_dsi->phy) { + put_device(&phy_pdev->dev); DRM_DEV_ERROR(&pdev->dev, "%s: phy driver is not ready\n", __func__); return -EPROBE_DEFER; } diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index 5613234823f7d0f78f778445499f51e08049bc68..423c4ae2be10da4b43980b7338e9ad28ddc19041 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -1669,6 +1669,8 @@ static int dsi_host_parse_lane_data(struct msm_dsi_host *msm_host, if (!prop) { DRM_DEV_DEBUG(dev, "failed to find data lane mapping, using default\n"); + /* Set the number of date lanes to 4 by default. */ + msm_host->num_data_lanes = 4; return 0; } diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c index 21519229fe73ade997183c8b377f7400d7ac70cb..60d50643d0b5c78b46371cc463699b5fada702a6 100644 --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c @@ -665,12 +665,14 @@ void __exit msm_dsi_phy_driver_unregister(void) int msm_dsi_phy_enable(struct msm_dsi_phy *phy, int src_pll_id, struct msm_dsi_phy_clk_request *clk_req) { - struct device *dev = &phy->pdev->dev; + struct device *dev; int ret; if (!phy || !phy->cfg->ops.enable) return -EINVAL; + dev = &phy->pdev->dev; + ret = dsi_phy_enable_resource(phy); if (ret) { DRM_DEV_ERROR(dev, "%s: resource enable failed, %d\n", diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.c b/drivers/gpu/drm/msm/hdmi/hdmi.c index 355afb936401a040012cfeabb2b47009930c2f1e..1a7e77373407f8d6296506eaa2c200bfa8aa7a28 100644 --- a/drivers/gpu/drm/msm/hdmi/hdmi.c +++ b/drivers/gpu/drm/msm/hdmi/hdmi.c @@ -97,10 +97,15 @@ static int msm_hdmi_get_phy(struct hdmi *hdmi) of_node_put(phy_node); - if (!phy_pdev || !hdmi->phy) { + if (!phy_pdev) { DRM_DEV_ERROR(&pdev->dev, "phy driver is not ready\n"); return -EPROBE_DEFER; } + if (!hdmi->phy) { + DRM_DEV_ERROR(&pdev->dev, "phy driver is not ready\n"); + put_device(&phy_pdev->dev); + return -EPROBE_DEFER; + } hdmi->phy_dev = get_device(&phy_pdev->dev); diff --git a/drivers/gpu/drm/msm/msm_debugfs.c b/drivers/gpu/drm/msm/msm_debugfs.c index 1c74381a4fc9d3eaacc4ffa6f900160db8f3096d..08995e981808ae0dbbe3d1333cad44430105b1cc 100644 --- a/drivers/gpu/drm/msm/msm_debugfs.c +++ b/drivers/gpu/drm/msm/msm_debugfs.c @@ -77,6 +77,7 @@ static int msm_gpu_open(struct inode *inode, struct file *file) goto free_priv; pm_runtime_get_sync(&gpu->pdev->dev); + msm_gpu_hw_init(gpu); show_priv->state = gpu->funcs->gpu_state_get(gpu); pm_runtime_put_sync(&gpu->pdev->dev); diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index 7443df77cadb5d9528da50b4d8c4c9073674fcf7..407b51cf67909fb6e8d1f3150c41305b7b2fe06e 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -337,7 +337,7 @@ static int msm_init_vram(struct drm_device *dev) of_node_put(node); if (ret) return ret; - size = r.end - r.start; + size = r.end - r.start + 1; DRM_INFO("using VRAM carveout: %lx@%pa\n", size, &r.start); /* if we have no IOMMU, then we need to use carveout allocator. diff --git a/drivers/gpu/drm/nouveau/dispnv04/disp.c b/drivers/gpu/drm/nouveau/dispnv04/disp.c index dc64863b5fd88a8bcf30aea2c6212e87ac1d3cf0..f517b39aba56b78c574bbc34acc6f1183e2179b2 100644 --- a/drivers/gpu/drm/nouveau/dispnv04/disp.c +++ b/drivers/gpu/drm/nouveau/dispnv04/disp.c @@ -179,7 +179,7 @@ nv04_display_destroy(struct drm_device *dev) nvif_notify_fini(&disp->flip); nouveau_display(dev)->priv = NULL; - kfree(disp); + vfree(disp); nvif_object_unmap(&drm->client.device.object); } @@ -197,7 +197,7 @@ nv04_display_create(struct drm_device *dev) struct nv04_display *disp; int i, ret; - disp = kzalloc(sizeof(*disp), GFP_KERNEL); + disp = vzalloc(sizeof(*disp)); if (!disp) return -ENOMEM; diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c index 5347e5bdee8cc40e04c61a9d761234300c5658a2..e18938972a895672cd3ace34b2cc56677f0cb638 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drm.c +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c @@ -779,7 +779,7 @@ nouveau_drm_device_remove(struct drm_device *dev) struct nvkm_client *client; struct nvkm_device *device; - drm_dev_unregister(dev); + drm_dev_unplug(dev); dev->irq_enabled = false; client = nvxx_client(&drm->client.base); diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigv100.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigv100.c index 6e3c450eaacef779b2a8cae771da37457c79e465..3ff49344abc771a61993691149fd91c292fafb80 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigv100.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigv100.c @@ -62,7 +62,6 @@ gv100_hdmi_ctrl(struct nvkm_ior *ior, int head, bool enable, u8 max_ac_packet, nvkm_wr32(device, 0x6f0108 + hdmi, vendor_infoframe.header); nvkm_wr32(device, 0x6f010c + hdmi, vendor_infoframe.subpack0_low); nvkm_wr32(device, 0x6f0110 + hdmi, vendor_infoframe.subpack0_high); - nvkm_wr32(device, 0x6f0110 + hdmi, 0x00000000); nvkm_wr32(device, 0x6f0114 + hdmi, 0x00000000); nvkm_wr32(device, 0x6f0118 + hdmi, 0x00000000); nvkm_wr32(device, 0x6f011c + hdmi, 0x00000000); diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/base.c index f3c30b2a788e8534fe72c23729779afd5e39d573..8bff14ae16b0e5bd76ef0f7541040dda3cb80e70 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/base.c @@ -38,7 +38,7 @@ nvbios_addr(struct nvkm_bios *bios, u32 *addr, u8 size) *addr += bios->imaged_addr; } - if (unlikely(*addr + size >= bios->size)) { + if (unlikely(*addr + size > bios->size)) { nvkm_error(&bios->subdev, "OOB %d %08x %08x\n", size, p, *addr); return false; } diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/base.c index ea2e11771bca522e820151b204c098b230a56b22..105b4be467a3ed2c0637a6fbeb5631abbef1edf7 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/base.c @@ -88,20 +88,13 @@ nvkm_pmu_fini(struct nvkm_subdev *subdev, bool suspend) return 0; } -static int +static void nvkm_pmu_reset(struct nvkm_pmu *pmu) { struct nvkm_device *device = pmu->subdev.device; if (!pmu->func->enabled(pmu)) - return 0; - - /* Inhibit interrupts, and wait for idle. */ - nvkm_wr32(device, 0x10a014, 0x0000ffff); - nvkm_msec(device, 2000, - if (!nvkm_rd32(device, 0x10a04c)) - break; - ); + return; /* Reset. */ if (pmu->func->reset) @@ -112,25 +105,37 @@ nvkm_pmu_reset(struct nvkm_pmu *pmu) if (!(nvkm_rd32(device, 0x10a10c) & 0x00000006)) break; ); - - return 0; } static int nvkm_pmu_preinit(struct nvkm_subdev *subdev) { struct nvkm_pmu *pmu = nvkm_pmu(subdev); - return nvkm_pmu_reset(pmu); + nvkm_pmu_reset(pmu); + return 0; } static int nvkm_pmu_init(struct nvkm_subdev *subdev) { struct nvkm_pmu *pmu = nvkm_pmu(subdev); - int ret = nvkm_pmu_reset(pmu); - if (ret == 0 && pmu->func->init) - ret = pmu->func->init(pmu); - return ret; + struct nvkm_device *device = pmu->subdev.device; + + if (!pmu->func->init) + return 0; + + if (pmu->func->enabled(pmu)) { + /* Inhibit interrupts, and wait for idle. */ + nvkm_wr32(device, 0x10a014, 0x0000ffff); + nvkm_msec(device, 2000, + if (!nvkm_rd32(device, 0x10a04c)) + break; + ); + + nvkm_pmu_reset(pmu); + } + + return pmu->func->init(pmu); } static int diff --git a/drivers/gpu/drm/panel/panel-innolux-p079zca.c b/drivers/gpu/drm/panel/panel-innolux-p079zca.c index d92d1c98878c12f8bffecfd0d955d84140033ac1..df90b66079816c8bcf6c4b3df4e2694cc497d8bb 100644 --- a/drivers/gpu/drm/panel/panel-innolux-p079zca.c +++ b/drivers/gpu/drm/panel/panel-innolux-p079zca.c @@ -509,6 +509,7 @@ static void innolux_panel_del(struct innolux_panel *innolux) static int innolux_panel_probe(struct mipi_dsi_device *dsi) { const struct panel_desc *desc; + struct innolux_panel *innolux; int err; desc = of_device_get_match_data(&dsi->dev); @@ -520,7 +521,14 @@ static int innolux_panel_probe(struct mipi_dsi_device *dsi) if (err < 0) return err; - return mipi_dsi_attach(dsi); + err = mipi_dsi_attach(dsi); + if (err < 0) { + innolux = mipi_dsi_get_drvdata(dsi); + innolux_panel_del(innolux); + return err; + } + + return 0; } static int innolux_panel_remove(struct mipi_dsi_device *dsi) diff --git a/drivers/gpu/drm/panel/panel-kingdisplay-kd097d04.c b/drivers/gpu/drm/panel/panel-kingdisplay-kd097d04.c index 3ac04eb8d0fe59c1a2f44362bf2497b2c09c5116..1e7fecab72a9f5c32de94c25b637dc7fc7fb6852 100644 --- a/drivers/gpu/drm/panel/panel-kingdisplay-kd097d04.c +++ b/drivers/gpu/drm/panel/panel-kingdisplay-kd097d04.c @@ -424,7 +424,13 @@ static int kingdisplay_panel_probe(struct mipi_dsi_device *dsi) if (err < 0) return err; - return mipi_dsi_attach(dsi); + err = mipi_dsi_attach(dsi); + if (err < 0) { + kingdisplay_panel_del(kingdisplay); + return err; + } + + return 0; } static int kingdisplay_panel_remove(struct mipi_dsi_device *dsi) diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index 03d3550ecc7cb0028ff714c321a096bcaec2b508..51db8b4f6d5510eaa892cfce9688f13080c6a87f 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -634,6 +634,8 @@ void radeon_driver_lastclose_kms(struct drm_device *dev) int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv) { struct radeon_device *rdev = dev->dev_private; + struct radeon_fpriv *fpriv; + struct radeon_vm *vm; int r; file_priv->driver_priv = NULL; @@ -646,48 +648,52 @@ int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv) /* new gpu have virtual address space support */ if (rdev->family >= CHIP_CAYMAN) { - struct radeon_fpriv *fpriv; - struct radeon_vm *vm; fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL); if (unlikely(!fpriv)) { r = -ENOMEM; - goto out_suspend; + goto err_suspend; } if (rdev->accel_working) { vm = &fpriv->vm; r = radeon_vm_init(rdev, vm); - if (r) { - kfree(fpriv); - goto out_suspend; - } + if (r) + goto err_fpriv; r = radeon_bo_reserve(rdev->ring_tmp_bo.bo, false); - if (r) { - radeon_vm_fini(rdev, vm); - kfree(fpriv); - goto out_suspend; - } + if (r) + goto err_vm_fini; /* map the ib pool buffer read only into * virtual address space */ vm->ib_bo_va = radeon_vm_bo_add(rdev, vm, rdev->ring_tmp_bo.bo); + if (!vm->ib_bo_va) { + r = -ENOMEM; + goto err_vm_fini; + } + r = radeon_vm_bo_set_addr(rdev, vm->ib_bo_va, RADEON_VA_IB_OFFSET, RADEON_VM_PAGE_READABLE | RADEON_VM_PAGE_SNOOPED); - if (r) { - radeon_vm_fini(rdev, vm); - kfree(fpriv); - goto out_suspend; - } + if (r) + goto err_vm_fini; } file_priv->driver_priv = fpriv; } -out_suspend: + pm_runtime_mark_last_busy(dev->dev); + pm_runtime_put_autosuspend(dev->dev); + return 0; + +err_vm_fini: + radeon_vm_fini(rdev, vm); +err_fpriv: + kfree(fpriv); + +err_suspend: pm_runtime_mark_last_busy(dev->dev); pm_runtime_put_autosuspend(dev->dev); return r; diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c index 8dc91c2d916a8366b7f85051d46d28773ea207d8..f7191ae2266fd145ce3ac1384487825e006d1314 100644 --- a/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c +++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c @@ -231,6 +231,8 @@ struct dw_mipi_dsi_rockchip { struct dw_mipi_dsi *dmd; const struct rockchip_dw_dsi_chip_data *cdata; struct dw_mipi_dsi_plat_data pdata; + + bool dsi_bound; }; struct dphy_pll_parameter_map { @@ -625,10 +627,6 @@ static void dw_mipi_dsi_encoder_enable(struct drm_encoder *encoder) if (mux < 0) return; - pm_runtime_get_sync(dsi->dev); - if (dsi->slave) - pm_runtime_get_sync(dsi->slave->dev); - /* * For the RK3399, the clk of grf must be enabled before writing grf * register. And for RK3288 or other soc, this grf_clk must be NULL, @@ -647,20 +645,10 @@ static void dw_mipi_dsi_encoder_enable(struct drm_encoder *encoder) clk_disable_unprepare(dsi->grf_clk); } -static void dw_mipi_dsi_encoder_disable(struct drm_encoder *encoder) -{ - struct dw_mipi_dsi_rockchip *dsi = to_dsi(encoder); - - if (dsi->slave) - pm_runtime_put(dsi->slave->dev); - pm_runtime_put(dsi->dev); -} - static const struct drm_encoder_helper_funcs dw_mipi_dsi_encoder_helper_funcs = { .atomic_check = dw_mipi_dsi_encoder_atomic_check, .enable = dw_mipi_dsi_encoder_enable, - .disable = dw_mipi_dsi_encoder_disable, }; static const struct drm_encoder_funcs dw_mipi_dsi_encoder_funcs = { @@ -795,10 +783,14 @@ static int dw_mipi_dsi_rockchip_bind(struct device *dev, put_device(second); } + pm_runtime_get_sync(dsi->dev); + if (dsi->slave) + pm_runtime_get_sync(dsi->slave->dev); + ret = clk_prepare_enable(dsi->pllref_clk); if (ret) { DRM_DEV_ERROR(dev, "Failed to enable pllref_clk: %d\n", ret); - return ret; + goto out_pm_runtime; } /* @@ -810,7 +802,7 @@ static int dw_mipi_dsi_rockchip_bind(struct device *dev, ret = clk_prepare_enable(dsi->grf_clk); if (ret) { DRM_DEV_ERROR(dsi->dev, "Failed to enable grf_clk: %d\n", ret); - return ret; + goto out_pm_runtime; } dw_mipi_dsi_rockchip_config(dsi); @@ -822,16 +814,25 @@ static int dw_mipi_dsi_rockchip_bind(struct device *dev, ret = rockchip_dsi_drm_create_encoder(dsi, drm_dev); if (ret) { DRM_DEV_ERROR(dev, "Failed to create drm encoder\n"); - return ret; + goto out_pm_runtime; } ret = dw_mipi_dsi_bind(dsi->dmd, &dsi->encoder); if (ret) { DRM_DEV_ERROR(dev, "Failed to bind: %d\n", ret); - return ret; + goto out_pm_runtime; } + dsi->dsi_bound = true; + return 0; + +out_pm_runtime: + pm_runtime_put(dsi->dev); + if (dsi->slave) + pm_runtime_put(dsi->slave->dev); + + return ret; } static void dw_mipi_dsi_rockchip_unbind(struct device *dev, @@ -843,9 +844,15 @@ static void dw_mipi_dsi_rockchip_unbind(struct device *dev, if (dsi->is_slave) return; + dsi->dsi_bound = false; + dw_mipi_dsi_unbind(dsi->dmd); clk_disable_unprepare(dsi->pllref_clk); + + pm_runtime_put(dsi->dev); + if (dsi->slave) + pm_runtime_put(dsi->slave->dev); } static const struct component_ops dw_mipi_dsi_rockchip_ops = { @@ -903,6 +910,36 @@ static const struct dw_mipi_dsi_host_ops dw_mipi_dsi_rockchip_host_ops = { .detach = dw_mipi_dsi_rockchip_host_detach, }; +static int __maybe_unused dw_mipi_dsi_rockchip_resume(struct device *dev) +{ + struct dw_mipi_dsi_rockchip *dsi = dev_get_drvdata(dev); + int ret; + + /* + * Re-configure DSI state, if we were previously initialized. We need + * to do this before rockchip_drm_drv tries to re-enable() any panels. + */ + if (dsi->dsi_bound) { + ret = clk_prepare_enable(dsi->grf_clk); + if (ret) { + DRM_DEV_ERROR(dsi->dev, "Failed to enable grf_clk: %d\n", ret); + return ret; + } + + dw_mipi_dsi_rockchip_config(dsi); + if (dsi->slave) + dw_mipi_dsi_rockchip_config(dsi->slave); + + clk_disable_unprepare(dsi->grf_clk); + } + + return 0; +} + +static const struct dev_pm_ops dw_mipi_dsi_rockchip_pm_ops = { + SET_LATE_SYSTEM_SLEEP_PM_OPS(NULL, dw_mipi_dsi_rockchip_resume) +}; + static int dw_mipi_dsi_rockchip_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -986,14 +1023,10 @@ static int dw_mipi_dsi_rockchip_probe(struct platform_device *pdev) if (ret != -EPROBE_DEFER) DRM_DEV_ERROR(dev, "Failed to probe dw_mipi_dsi: %d\n", ret); - goto err_clkdisable; + return ret; } return 0; - -err_clkdisable: - clk_disable_unprepare(dsi->pllref_clk); - return ret; } static int dw_mipi_dsi_rockchip_remove(struct platform_device *pdev) @@ -1088,6 +1121,7 @@ struct platform_driver dw_mipi_dsi_rockchip_driver = { .remove = dw_mipi_dsi_rockchip_remove, .driver = { .of_match_table = dw_mipi_dsi_rockchip_dt_ids, + .pm = &dw_mipi_dsi_rockchip_pm_ops, .name = "dw-mipi-dsi-rockchip", }, }; diff --git a/drivers/gpu/drm/sun4i/Kconfig b/drivers/gpu/drm/sun4i/Kconfig index 37e90e42943f65d4a3243d5ecfeb78b588ff6370..0e2d304f0d83f05db68979a1e3e47400acee3ea6 100644 --- a/drivers/gpu/drm/sun4i/Kconfig +++ b/drivers/gpu/drm/sun4i/Kconfig @@ -46,6 +46,7 @@ config DRM_SUN6I_DSI default MACH_SUN8I select CRC_CCITT select DRM_MIPI_DSI + select RESET_CONTROLLER select PHY_SUN6I_MIPI_DPHY help Choose this option if you want have an Allwinner SoC with diff --git a/drivers/gpu/drm/udl/udl_connector.c b/drivers/gpu/drm/udl/udl_connector.c index ddb61a60c61049f787bd580d6f58c8082df172de..ef69773b5bed5b85f8e2177e46cbbafe03c886ee 100644 --- a/drivers/gpu/drm/udl/udl_connector.c +++ b/drivers/gpu/drm/udl/udl_connector.c @@ -29,7 +29,7 @@ static int udl_get_edid_block(void *data, u8 *buf, unsigned int block, ret = usb_control_msg(udl->udev, usb_rcvctrlpipe(udl->udev, 0), (0x02), (0x80 | (0x02 << 5)), bval, - 0xA1, read_buff, 2, HZ); + 0xA1, read_buff, 2, 1000); if (ret < 1) { DRM_ERROR("Read EDID byte %d failed err %x\n", i, ret); kfree(read_buff); diff --git a/drivers/gpu/drm/vc4/vc4_bo.c b/drivers/gpu/drm/vc4/vc4_bo.c index 72d30d90b856ce2f14249208641e6a720c7fbd1d..0af246a5609caa53a863e48212eff62e7e07550c 100644 --- a/drivers/gpu/drm/vc4/vc4_bo.c +++ b/drivers/gpu/drm/vc4/vc4_bo.c @@ -389,7 +389,7 @@ struct drm_gem_object *vc4_create_object(struct drm_device *dev, size_t size) bo = kzalloc(sizeof(*bo), GFP_KERNEL); if (!bo) - return ERR_PTR(-ENOMEM); + return NULL; bo->madv = VC4_MADV_WILLNEED; refcount_set(&bo->usecnt, 0); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h index 5eb73ded8e07a2f46706b21ac8390e43e4622498..765f7a62870db19c9c677af2a1738b4f02f09d3f 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h @@ -1002,15 +1002,14 @@ extern int vmw_execbuf_fence_commands(struct drm_file *file_priv, struct vmw_private *dev_priv, struct vmw_fence_obj **p_fence, uint32_t *p_handle); -extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv, +extern int vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv, struct vmw_fpriv *vmw_fp, int ret, struct drm_vmw_fence_rep __user *user_fence_rep, struct vmw_fence_obj *fence, uint32_t fence_handle, - int32_t out_fence_fd, - struct sync_file *sync_file); + int32_t out_fence_fd); bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd); /** diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c index ff86d49dc5e8acd66d01ce491c67593f13e4cb9f..e3d20048075bf3e5fd306ec4f37f31313a5d6eb4 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c @@ -3413,17 +3413,17 @@ int vmw_execbuf_fence_commands(struct drm_file *file_priv, * Also if copying fails, user-space will be unable to signal the fence object * so we wait for it immediately, and then unreference the user-space reference. */ -void +int vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv, struct vmw_fpriv *vmw_fp, int ret, struct drm_vmw_fence_rep __user *user_fence_rep, struct vmw_fence_obj *fence, uint32_t fence_handle, - int32_t out_fence_fd, struct sync_file *sync_file) + int32_t out_fence_fd) { struct drm_vmw_fence_rep fence_rep; if (user_fence_rep == NULL) - return; + return 0; memset(&fence_rep, 0, sizeof(fence_rep)); @@ -3451,20 +3451,14 @@ vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv, * handle. */ if (unlikely(ret != 0) && (fence_rep.error == 0)) { - if (sync_file) - fput(sync_file->file); - - if (fence_rep.fd != -1) { - put_unused_fd(fence_rep.fd); - fence_rep.fd = -1; - } - ttm_ref_object_base_unref(vmw_fp->tfile, fence_handle, TTM_REF_USAGE); VMW_DEBUG_USER("Fence copy error. Syncing.\n"); (void) vmw_fence_obj_wait(fence, false, false, VMW_FENCE_WAIT_TIMEOUT); } + + return ret ? -EFAULT : 0; } /** @@ -3806,16 +3800,23 @@ int vmw_execbuf_process(struct drm_file *file_priv, (void) vmw_fence_obj_wait(fence, false, false, VMW_FENCE_WAIT_TIMEOUT); + } + } + + ret = vmw_execbuf_copy_fence_user(dev_priv, vmw_fpriv(file_priv), ret, + user_fence_rep, fence, handle, out_fence_fd); + + if (sync_file) { + if (ret) { + /* usercopy of fence failed, put the file object */ + fput(sync_file->file); + put_unused_fd(out_fence_fd); } else { /* Link the fence with the FD created earlier */ fd_install(out_fence_fd, sync_file->file); } } - vmw_execbuf_copy_fence_user(dev_priv, vmw_fpriv(file_priv), ret, - user_fence_rep, fence, handle, out_fence_fd, - sync_file); - /* Don't unreference when handing fence out */ if (unlikely(out_fence != NULL)) { *out_fence = fence; @@ -3833,7 +3834,7 @@ int vmw_execbuf_process(struct drm_file *file_priv, */ vmw_validation_unref_lists(&val_ctx); - return 0; + return ret; out_unlock_binding: mutex_unlock(&dev_priv->binding_mutex); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c index 178a6cd1a06fe77535c470d96c736848bd3131ca..874093a0b04f0a3fe4c52edb88dc2ebacb944991 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c @@ -1171,7 +1171,7 @@ int vmw_fence_event_ioctl(struct drm_device *dev, void *data, } vmw_execbuf_copy_fence_user(dev_priv, vmw_fp, 0, user_fence_rep, fence, - handle, -1, NULL); + handle, -1); vmw_fence_obj_unreference(&fence); return 0; out_no_create: diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index 33b1519887474bc2fa3977be89bc74263919f147..0b800c354049230685a0a3d8c6af02a12ac1f8c0 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -2570,7 +2570,7 @@ void vmw_kms_helper_validation_finish(struct vmw_private *dev_priv, if (file_priv) vmw_execbuf_copy_fence_user(dev_priv, vmw_fpriv(file_priv), ret, user_fence_rep, fence, - handle, -1, NULL); + handle, -1); if (out_fence) *out_fence = fence; else diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 45f6b84f53efc846a3dd2f07c9f21c104b09aa30..b749e6b308628ab93f21d5561dbcbe22049913e2 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -149,6 +149,7 @@ config HID_APPLEIR config HID_ASUS tristate "Asus" + depends on USB_HID depends on LEDS_CLASS depends on ASUS_WMI || ASUS_WMI=n select POWER_SUPPLY diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c index 07df64daf7daea5cd9613ef7381c14ab2cf0232f..efce31d035ef5a6b9f6dd9a8fd2fb8c4b71c61e3 100644 --- a/drivers/hid/hid-apple.c +++ b/drivers/hid/hid-apple.c @@ -389,7 +389,7 @@ static int apple_input_configured(struct hid_device *hdev, if ((asc->quirks & APPLE_HAS_FN) && !asc->fn_found) { hid_info(hdev, "Fn key not found (Apple Wireless Keyboard clone?), disabling Fn key handling\n"); - asc->quirks = 0; + asc->quirks &= ~APPLE_HAS_FN; } return 0; diff --git a/drivers/hid/hid-google-hammer.c b/drivers/hid/hid-google-hammer.c index 505ed76a830e890c86e1bc88f35e6d008b5c8bb3..b6947d7573473936ae957791daaf42e0f0e173e9 100644 --- a/drivers/hid/hid-google-hammer.c +++ b/drivers/hid/hid-google-hammer.c @@ -469,6 +469,8 @@ static int hammer_probe(struct hid_device *hdev, static const struct hid_device_id hammer_devices[] = { { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, USB_VENDOR_ID_GOOGLE, USB_DEVICE_ID_GOOGLE_DON) }, + { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, + USB_VENDOR_ID_GOOGLE, USB_DEVICE_ID_GOOGLE_EEL) }, { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, USB_VENDOR_ID_GOOGLE, USB_DEVICE_ID_GOOGLE_HAMMER) }, { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC, diff --git a/drivers/hid/hid-holtek-mouse.c b/drivers/hid/hid-holtek-mouse.c index b7172c48ef9f0898ec5b6d0596d808aa4908b26c..7c907939bfae1d9a5398f574a284b66190fcbfd5 100644 --- a/drivers/hid/hid-holtek-mouse.c +++ b/drivers/hid/hid-holtek-mouse.c @@ -65,8 +65,23 @@ static __u8 *holtek_mouse_report_fixup(struct hid_device *hdev, __u8 *rdesc, static int holtek_mouse_probe(struct hid_device *hdev, const struct hid_device_id *id) { + int ret; + if (!hid_is_usb(hdev)) return -EINVAL; + + ret = hid_parse(hdev); + if (ret) { + hid_err(hdev, "hid parse failed: %d\n", ret); + return ret; + } + + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); + if (ret) { + hid_err(hdev, "hw start failed: %d\n", ret); + return ret; + } + return 0; } diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index a4e43e0bbddef4850a55be08b26b1c463302e141..fa5490f85c6f010f73d50647e9958229e1969a81 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -489,6 +489,7 @@ #define USB_DEVICE_ID_GOOGLE_MAGNEMITE 0x503d #define USB_DEVICE_ID_GOOGLE_MOONBALL 0x5044 #define USB_DEVICE_ID_GOOGLE_DON 0x5050 +#define USB_DEVICE_ID_GOOGLE_EEL 0x5057 #define USB_VENDOR_ID_GOTOP 0x08f2 #define USB_DEVICE_ID_SUPER_Q2 0x007f @@ -858,6 +859,7 @@ #define USB_DEVICE_ID_MS_TOUCH_COVER_2 0x07a7 #define USB_DEVICE_ID_MS_TYPE_COVER_2 0x07a9 #define USB_DEVICE_ID_MS_POWER_COVER 0x07da +#define USB_DEVICE_ID_MS_SURFACE3_COVER 0x07de #define USB_DEVICE_ID_MS_XBOX_ONE_S_CONTROLLER 0x02fd #define USB_DEVICE_ID_MS_PIXART_MOUSE 0x00cb #define SPI_DEVICE_ID_MS_SURFACE_D6_0 0x0c1d diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index ea4c97f5b073692cd2728dfc95b6a9a1903010c6..749558aa27e781f20ac86306831bfbacc32ad96e 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -1288,6 +1288,12 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct input = field->hidinput->input; + if (usage->type == EV_ABS && + (((*quirks & HID_QUIRK_X_INVERT) && usage->code == ABS_X) || + ((*quirks & HID_QUIRK_Y_INVERT) && usage->code == ABS_Y))) { + value = field->logical_maximum - value; + } + if (usage->hat_min < usage->hat_max || usage->hat_dir) { int hat_dir = usage->hat_dir; if (!hat_dir) diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c index 3192ec4bef939655fdfa9b746674289023bd3dcf..e038ba054876906c790d6141cf3d0d0a767dd596 100644 --- a/drivers/hid/hid-quirks.c +++ b/drivers/hid/hid-quirks.c @@ -124,6 +124,7 @@ static const struct hid_device_id hid_quirks[] = { { HID_USB_DEVICE(USB_VENDOR_ID_MCS, USB_DEVICE_ID_MCS_GAMEPADBLOCK), HID_QUIRK_MULTI_INPUT }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PIXART_MOUSE), HID_QUIRK_ALWAYS_POLL }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_POWER_COVER), HID_QUIRK_NO_INIT_REPORTS }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_SURFACE3_COVER), HID_QUIRK_NO_INIT_REPORTS }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_SURFACE_PRO_2), HID_QUIRK_NO_INIT_REPORTS }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TOUCH_COVER_2), HID_QUIRK_NO_INIT_REPORTS }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_2), HID_QUIRK_NO_INIT_REPORTS }, diff --git a/drivers/hid/hid-uclogic-params.c b/drivers/hid/hid-uclogic-params.c index ed4ede52b017f30c89177c9a0c995d6a6c738622..191aba9f6b497ed728b5ccea3ef288ba6dffe5b2 100644 --- a/drivers/hid/hid-uclogic-params.c +++ b/drivers/hid/hid-uclogic-params.c @@ -65,7 +65,7 @@ static int uclogic_params_get_str_desc(__u8 **pbuf, struct hid_device *hdev, __u8 idx, size_t len) { int rc; - struct usb_device *udev = hid_to_usb_dev(hdev); + struct usb_device *udev; __u8 *buf = NULL; /* Check arguments */ @@ -74,6 +74,8 @@ static int uclogic_params_get_str_desc(__u8 **pbuf, struct hid_device *hdev, goto cleanup; } + udev = hid_to_usb_dev(hdev); + buf = kmalloc(len, GFP_KERNEL); if (buf == NULL) { rc = -ENOMEM; @@ -449,7 +451,7 @@ static int uclogic_params_frame_init_v1_buttonpad( { int rc; bool found = false; - struct usb_device *usb_dev = hid_to_usb_dev(hdev); + struct usb_device *usb_dev; char *str_buf = NULL; const size_t str_len = 16; @@ -459,6 +461,8 @@ static int uclogic_params_frame_init_v1_buttonpad( goto cleanup; } + usb_dev = hid_to_usb_dev(hdev); + /* * Enable generic button mode */ @@ -705,9 +709,9 @@ static int uclogic_params_huion_init(struct uclogic_params *params, struct hid_device *hdev) { int rc; - struct usb_device *udev = hid_to_usb_dev(hdev); - struct usb_interface *iface = to_usb_interface(hdev->dev.parent); - __u8 bInterfaceNumber = iface->cur_altsetting->desc.bInterfaceNumber; + struct usb_device *udev; + struct usb_interface *iface; + __u8 bInterfaceNumber; bool found; /* The resulting parameters (noop) */ struct uclogic_params p = {0, }; @@ -721,6 +725,10 @@ static int uclogic_params_huion_init(struct uclogic_params *params, goto cleanup; } + udev = hid_to_usb_dev(hdev); + iface = to_usb_interface(hdev->dev.parent); + bInterfaceNumber = iface->cur_altsetting->desc.bInterfaceNumber; + /* If it's not a pen interface */ if (bInterfaceNumber != 0) { /* TODO: Consider marking the interface invalid */ @@ -832,10 +840,10 @@ int uclogic_params_init(struct uclogic_params *params, struct hid_device *hdev) { int rc; - struct usb_device *udev = hid_to_usb_dev(hdev); - __u8 bNumInterfaces = udev->config->desc.bNumInterfaces; - struct usb_interface *iface = to_usb_interface(hdev->dev.parent); - __u8 bInterfaceNumber = iface->cur_altsetting->desc.bInterfaceNumber; + struct usb_device *udev; + __u8 bNumInterfaces; + struct usb_interface *iface; + __u8 bInterfaceNumber; bool found; /* The resulting parameters (noop) */ struct uclogic_params p = {0, }; @@ -846,6 +854,11 @@ int uclogic_params_init(struct uclogic_params *params, goto cleanup; } + udev = hid_to_usb_dev(hdev); + bNumInterfaces = udev->config->desc.bNumInterfaces; + iface = to_usb_interface(hdev->dev.parent); + bInterfaceNumber = iface->cur_altsetting->desc.bInterfaceNumber; + /* * Set replacement report descriptor if the original matches the * specified size. Otherwise keep interface unchanged. diff --git a/drivers/hid/uhid.c b/drivers/hid/uhid.c index 8fe3efcb832715c4a978625387dc0bb0ea5b00a2..fc06d8bb42e0fe94e75167fe360c600283f80a4d 100644 --- a/drivers/hid/uhid.c +++ b/drivers/hid/uhid.c @@ -28,11 +28,22 @@ struct uhid_device { struct mutex devlock; + + /* This flag tracks whether the HID device is usable for commands from + * userspace. The flag is already set before hid_add_device(), which + * runs in workqueue context, to allow hid_add_device() to communicate + * with userspace. + * However, if hid_add_device() fails, the flag is cleared without + * holding devlock. + * We guarantee that if @running changes from true to false while you're + * holding @devlock, it's still fine to access @hid. + */ bool running; __u8 *rd_data; uint rd_size; + /* When this is NULL, userspace may use UHID_CREATE/UHID_CREATE2. */ struct hid_device *hid; struct uhid_event input_buf; @@ -63,9 +74,18 @@ static void uhid_device_add_worker(struct work_struct *work) if (ret) { hid_err(uhid->hid, "Cannot register HID device: error %d\n", ret); - hid_destroy_device(uhid->hid); - uhid->hid = NULL; + /* We used to call hid_destroy_device() here, but that's really + * messy to get right because we have to coordinate with + * concurrent writes from userspace that might be in the middle + * of using uhid->hid. + * Just leave uhid->hid as-is for now, and clean it up when + * userspace tries to close or reinitialize the uhid instance. + * + * However, we do have to clear the ->running flag and do a + * wakeup to make sure userspace knows that the device is gone. + */ uhid->running = false; + wake_up_interruptible(&uhid->report_wait); } } @@ -474,7 +494,7 @@ static int uhid_dev_create2(struct uhid_device *uhid, void *rd_data; int ret; - if (uhid->running) + if (uhid->hid) return -EALREADY; rd_size = ev->u.create2.rd_size; @@ -556,7 +576,7 @@ static int uhid_dev_create(struct uhid_device *uhid, static int uhid_dev_destroy(struct uhid_device *uhid) { - if (!uhid->running) + if (!uhid->hid) return -EINVAL; uhid->running = false; @@ -565,6 +585,7 @@ static int uhid_dev_destroy(struct uhid_device *uhid) cancel_work_sync(&uhid->worker); hid_destroy_device(uhid->hid); + uhid->hid = NULL; kfree(uhid->rd_data); return 0; diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index f6be2e70a49676f72aededf09188473f9806f392..de69ea5f5a4becd8b7a1b6f97d66846dc34cf3d8 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -2566,6 +2566,24 @@ static void wacom_wac_finger_slot(struct wacom_wac *wacom_wac, } } +static bool wacom_wac_slot_is_active(struct input_dev *dev, int key) +{ + struct input_mt *mt = dev->mt; + struct input_mt_slot *s; + + if (!mt) + return false; + + for (s = mt->slots; s != mt->slots + mt->num_slots; s++) { + if (s->key == key && + input_mt_get_value(s, ABS_MT_TRACKING_ID) >= 0) { + return true; + } + } + + return false; +} + static void wacom_wac_finger_event(struct hid_device *hdev, struct hid_field *field, struct hid_usage *usage, __s32 value) { @@ -2578,6 +2596,9 @@ static void wacom_wac_finger_event(struct hid_device *hdev, return; switch (equivalent_usage) { + case HID_DG_CONFIDENCE: + wacom_wac->hid_data.confidence = value; + break; case HID_GD_X: wacom_wac->hid_data.x = value; break; @@ -2610,8 +2631,14 @@ static void wacom_wac_finger_event(struct hid_device *hdev, } if (usage->usage_index + 1 == field->report_count) { - if (equivalent_usage == wacom_wac->hid_data.last_slot_field) - wacom_wac_finger_slot(wacom_wac, wacom_wac->touch_input); + if (equivalent_usage == wacom_wac->hid_data.last_slot_field) { + bool touch_removed = wacom_wac_slot_is_active(wacom_wac->touch_input, + wacom_wac->hid_data.id) && !wacom_wac->hid_data.tipswitch; + + if (wacom_wac->hid_data.confidence || touch_removed) { + wacom_wac_finger_slot(wacom_wac, wacom_wac->touch_input); + } + } } } @@ -2625,6 +2652,12 @@ static void wacom_wac_finger_pre_report(struct hid_device *hdev, wacom_wac->is_invalid_bt_frame = false; + hid_data->confidence = true; + + hid_data->cc_report = 0; + hid_data->cc_index = -1; + hid_data->cc_value_index = -1; + for (i = 0; i < report->maxfield; i++) { struct hid_field *field = report->field[i]; int j; @@ -2658,11 +2691,14 @@ static void wacom_wac_finger_pre_report(struct hid_device *hdev, hid_data->cc_index >= 0) { struct hid_field *field = report->field[hid_data->cc_index]; int value = field->value[hid_data->cc_value_index]; - if (value) + if (value) { hid_data->num_expected = value; + hid_data->num_received = 0; + } } else { hid_data->num_expected = wacom_wac->features.touch_max; + hid_data->num_received = 0; } } @@ -2686,6 +2722,7 @@ static void wacom_wac_finger_report(struct hid_device *hdev, input_sync(input); wacom_wac->hid_data.num_received = 0; + wacom_wac->hid_data.num_expected = 0; /* keep touch state for pen event */ wacom_wac->shared->touch_down = wacom_wac_finger_count_touches(wacom_wac); diff --git a/drivers/hid/wacom_wac.h b/drivers/hid/wacom_wac.h index e3835407e8d2399686121ce5f02afb708016c09b..8dea7cb298e693e5653fa9cb4d72ff8b67bd575c 100644 --- a/drivers/hid/wacom_wac.h +++ b/drivers/hid/wacom_wac.h @@ -300,6 +300,7 @@ struct hid_data { bool tipswitch; bool barrelswitch; bool barrelswitch2; + bool confidence; int x; int y; int pressure; diff --git a/drivers/hsi/hsi_core.c b/drivers/hsi/hsi_core.c index a5f92e2889cb81c58e66048b25d145502ea2a1bb..a330f58d45fc637d502a9efc331b9d9bb7948963 100644 --- a/drivers/hsi/hsi_core.c +++ b/drivers/hsi/hsi_core.c @@ -102,6 +102,7 @@ struct hsi_client *hsi_new_client(struct hsi_port *port, if (device_register(&cl->device) < 0) { pr_err("hsi: failed to register client: %s\n", info->name); put_device(&cl->device); + goto err; } return cl; diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 13a6b4afb4b360056695fb81d05812fa1964d2b2..049563d503b68e95b79d399678bebdd6f0e8abdc 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -1132,10 +1132,11 @@ config SENSORS_LM90 help If you say yes here you get support for National Semiconductor LM90, LM86, LM89 and LM99, Analog Devices ADM1032, ADT7461, and ADT7461A, - Maxim MAX6646, MAX6647, MAX6648, MAX6649, MAX6657, MAX6658, MAX6659, - MAX6680, MAX6681, MAX6692, MAX6695, MAX6696, ON Semiconductor NCT1008, - Winbond/Nuvoton W83L771W/G/AWG/ASG, Philips SA56004, GMT G781, and - Texas Instruments TMP451 sensor chips. + Maxim MAX6646, MAX6647, MAX6648, MAX6649, MAX6654, MAX6657, MAX6658, + MAX6659, MAX6680, MAX6681, MAX6692, MAX6695, MAX6696, + ON Semiconductor NCT1008, Winbond/Nuvoton W83L771W/G/AWG/ASG, + Philips SA56004, GMT G781, Texas Instruments TMP451 and TMP461 + sensor chips. This driver can also be built as a module. If so, the module will be called lm90. diff --git a/drivers/hwmon/dell-smm-hwmon.c b/drivers/hwmon/dell-smm-hwmon.c index 35c00420d855bdb28429a1628ae94dab790ea488..785e7a07bb291abebaf641c0a877147ad4b7b0ff 100644 --- a/drivers/hwmon/dell-smm-hwmon.c +++ b/drivers/hwmon/dell-smm-hwmon.c @@ -301,7 +301,7 @@ static int i8k_get_fan_nominal_speed(int fan, int speed) } /* - * Set the fan speed (off, low, high). Returns the new fan status. + * Set the fan speed (off, low, high, ...). */ static int i8k_set_fan(int fan, int speed) { @@ -313,7 +313,7 @@ static int i8k_set_fan(int fan, int speed) speed = (speed < 0) ? 0 : ((speed > i8k_fan_max) ? i8k_fan_max : speed); regs.ebx = (fan & 0xff) | (speed << 8); - return i8k_smm(®s) ? : i8k_get_fan_status(fan); + return i8k_smm(®s); } static int i8k_get_temp_type(int sensor) @@ -427,7 +427,7 @@ static int i8k_ioctl_unlocked(struct file *fp, unsigned int cmd, unsigned long arg) { int val = 0; - int speed; + int speed, err; unsigned char buff[16]; int __user *argp = (int __user *)arg; @@ -488,7 +488,11 @@ i8k_ioctl_unlocked(struct file *fp, unsigned int cmd, unsigned long arg) if (copy_from_user(&speed, argp + 1, sizeof(int))) return -EFAULT; - val = i8k_set_fan(val, speed); + err = i8k_set_fan(val, speed); + if (err < 0) + return err; + + val = i8k_get_fan_status(val); break; default: @@ -588,15 +592,18 @@ static const struct file_operations i8k_fops = { .unlocked_ioctl = i8k_ioctl, }; +static struct proc_dir_entry *entry; + static void __init i8k_init_procfs(void) { /* Register the proc entry */ - proc_create("i8k", 0, NULL, &i8k_fops); + entry = proc_create("i8k", 0, NULL, &i8k_fops); } static void __exit i8k_exit_procfs(void) { - remove_proc_entry("i8k", NULL); + if (entry) + remove_proc_entry("i8k", NULL); } #else diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c index 9b3c9f390ef816b699cb8da32487021606e24161..b62763a85d6e4904a2646dd986466da047a2b9b6 100644 --- a/drivers/hwmon/lm90.c +++ b/drivers/hwmon/lm90.c @@ -35,6 +35,15 @@ * explicitly as max6659, or if its address is not 0x4c. * These chips lack the remote temperature offset feature. * + * This driver also supports the MAX6654 chip made by Maxim. This chip can be + * at 9 different addresses, similar to MAX6680/MAX6681. The MAX6654 is similar + * to MAX6657/MAX6658/MAX6659, but does not support critical temperature + * limits. Extended range is available by setting the configuration register + * accordingly, and is done during initialization. Extended precision is only + * available at conversion rates of 1 Hz and slower. Note that extended + * precision is not enabled by default, as this driver initializes all chips + * to 2 Hz by design. + * * This driver also supports the MAX6646, MAX6647, MAX6648, MAX6649 and * MAX6692 chips made by Maxim. These are again similar to the LM86, * but they use unsigned temperature values and can report temperatures @@ -61,10 +70,10 @@ * This driver also supports the G781 from GMT. This device is compatible * with the ADM1032. * - * This driver also supports TMP451 from Texas Instruments. This device is - * supported in both compatibility and extended mode. It's mostly compatible - * with ADT7461 except for local temperature low byte register and max - * conversion rate. + * This driver also supports TMP451 and TMP461 from Texas Instruments. + * Those devices are supported in both compatibility and extended mode. + * They are mostly compatible with ADT7461 except for local temperature + * low byte register and max conversion rate. * * Since the LM90 was the first chipset supported by this driver, most * comments will refer to this chipset, but are actually general and @@ -94,8 +103,8 @@ * have address 0x4d. * MAX6647 has address 0x4e. * MAX6659 can have address 0x4c, 0x4d or 0x4e. - * MAX6680 and MAX6681 can have address 0x18, 0x19, 0x1a, 0x29, 0x2a, 0x2b, - * 0x4c, 0x4d or 0x4e. + * MAX6654, MAX6680, and MAX6681 can have address 0x18, 0x19, 0x1a, 0x29, + * 0x2a, 0x2b, 0x4c, 0x4d or 0x4e. * SA56004 can have address 0x48 through 0x4F. */ @@ -104,7 +113,7 @@ static const unsigned short normal_i2c[] = { 0x4d, 0x4e, 0x4f, I2C_CLIENT_END }; enum chips { lm90, adm1032, lm99, lm86, max6657, max6659, adt7461, max6680, - max6646, w83l771, max6696, sa56004, g781, tmp451 }; + max6646, w83l771, max6696, sa56004, g781, tmp451, tmp461, max6654 }; /* * The LM90 registers @@ -145,7 +154,7 @@ enum chips { lm90, adm1032, lm99, lm86, max6657, max6659, adt7461, max6680, #define LM90_REG_R_TCRIT_HYST 0x21 #define LM90_REG_W_TCRIT_HYST 0x21 -/* MAX6646/6647/6649/6657/6658/6659/6695/6696 registers */ +/* MAX6646/6647/6649/6654/6657/6658/6659/6695/6696 registers */ #define MAX6657_REG_R_LOCAL_TEMPL 0x11 #define MAX6696_REG_R_STATUS2 0x12 @@ -160,8 +169,12 @@ enum chips { lm90, adm1032, lm99, lm86, max6657, max6659, adt7461, max6680, #define LM90_MAX_CONVRATE_MS 16000 /* Maximum conversion rate in ms */ -/* TMP451 registers */ +/* TMP451/TMP461 registers */ #define TMP451_REG_R_LOCAL_TEMPL 0x15 +#define TMP451_REG_CONALERT 0x22 + +#define TMP461_REG_CHEN 0x16 +#define TMP461_REG_DFC 0x24 /* * Device flags @@ -174,7 +187,10 @@ enum chips { lm90, adm1032, lm99, lm86, max6657, max6659, adt7461, max6680, #define LM90_HAVE_EMERGENCY_ALARM (1 << 5)/* emergency alarm */ #define LM90_HAVE_TEMP3 (1 << 6) /* 3rd temperature sensor */ #define LM90_HAVE_BROKEN_ALERT (1 << 7) /* Broken alert */ -#define LM90_PAUSE_FOR_CONFIG (1 << 8) /* Pause conversion for config */ +#define LM90_HAVE_EXTENDED_TEMP (1 << 8) /* extended temperature support*/ +#define LM90_PAUSE_FOR_CONFIG (1 << 9) /* Pause conversion for config */ +#define LM90_HAVE_CRIT (1 << 10)/* Chip supports CRIT/OVERT register */ +#define LM90_HAVE_CRIT_ALRM_SWP (1 << 11)/* critical alarm bits swapped */ /* LM90 status */ #define LM90_STATUS_LTHRM (1 << 0) /* local THERM limit tripped */ @@ -184,6 +200,7 @@ enum chips { lm90, adm1032, lm99, lm86, max6657, max6659, adt7461, max6680, #define LM90_STATUS_RHIGH (1 << 4) /* remote high temp limit tripped */ #define LM90_STATUS_LLOW (1 << 5) /* local low temp limit tripped */ #define LM90_STATUS_LHIGH (1 << 6) /* local high temp limit tripped */ +#define LM90_STATUS_BUSY (1 << 7) /* conversion is ongoing */ #define MAX6696_STATUS2_R2THRM (1 << 1) /* remote2 THERM limit tripped */ #define MAX6696_STATUS2_R2OPEN (1 << 2) /* remote2 is an open circuit */ @@ -209,6 +226,7 @@ static const struct i2c_device_id lm90_id[] = { { "max6646", max6646 }, { "max6647", max6646 }, { "max6649", max6646 }, + { "max6654", max6654 }, { "max6657", max6657 }, { "max6658", max6657 }, { "max6659", max6659 }, @@ -220,6 +238,7 @@ static const struct i2c_device_id lm90_id[] = { { "w83l771", w83l771 }, { "sa56004", sa56004 }, { "tmp451", tmp451 }, + { "tmp461", tmp461 }, { } }; MODULE_DEVICE_TABLE(i2c, lm90_id); @@ -269,6 +288,10 @@ static const struct of_device_id __maybe_unused lm90_of_match[] = { .compatible = "dallas,max6649", .data = (void *)max6646 }, + { + .compatible = "dallas,max6654", + .data = (void *)max6654 + }, { .compatible = "dallas,max6657", .data = (void *)max6657 @@ -313,6 +336,10 @@ static const struct of_device_id __maybe_unused lm90_of_match[] = { .compatible = "ti,tmp451", .data = (void *)tmp451 }, + { + .compatible = "ti,tmp461", + .data = (void *)tmp461 + }, { }, }; MODULE_DEVICE_TABLE(of, lm90_of_match); @@ -331,80 +358,99 @@ struct lm90_params { static const struct lm90_params lm90_params[] = { [adm1032] = { .flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT - | LM90_HAVE_BROKEN_ALERT, + | LM90_HAVE_BROKEN_ALERT | LM90_HAVE_CRIT, .alert_alarms = 0x7c, .max_convrate = 10, }, [adt7461] = { .flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT - | LM90_HAVE_BROKEN_ALERT, + | LM90_HAVE_BROKEN_ALERT | LM90_HAVE_EXTENDED_TEMP + | LM90_HAVE_CRIT, .alert_alarms = 0x7c, .max_convrate = 10, }, [g781] = { .flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT - | LM90_HAVE_BROKEN_ALERT, + | LM90_HAVE_BROKEN_ALERT | LM90_HAVE_CRIT, .alert_alarms = 0x7c, - .max_convrate = 8, + .max_convrate = 7, }, [lm86] = { - .flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT, + .flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT + | LM90_HAVE_CRIT, .alert_alarms = 0x7b, .max_convrate = 9, }, [lm90] = { - .flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT, + .flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT + | LM90_HAVE_CRIT, .alert_alarms = 0x7b, .max_convrate = 9, }, [lm99] = { - .flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT, + .flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT + | LM90_HAVE_CRIT, .alert_alarms = 0x7b, .max_convrate = 9, }, [max6646] = { + .flags = LM90_HAVE_CRIT | LM90_HAVE_BROKEN_ALERT, .alert_alarms = 0x7c, .max_convrate = 6, .reg_local_ext = MAX6657_REG_R_LOCAL_TEMPL, }, + [max6654] = { + .flags = LM90_HAVE_BROKEN_ALERT, + .alert_alarms = 0x7c, + .max_convrate = 7, + .reg_local_ext = MAX6657_REG_R_LOCAL_TEMPL, + }, [max6657] = { - .flags = LM90_PAUSE_FOR_CONFIG, + .flags = LM90_PAUSE_FOR_CONFIG | LM90_HAVE_CRIT, .alert_alarms = 0x7c, .max_convrate = 8, .reg_local_ext = MAX6657_REG_R_LOCAL_TEMPL, }, [max6659] = { - .flags = LM90_HAVE_EMERGENCY, + .flags = LM90_HAVE_EMERGENCY | LM90_HAVE_CRIT, .alert_alarms = 0x7c, .max_convrate = 8, .reg_local_ext = MAX6657_REG_R_LOCAL_TEMPL, }, [max6680] = { - .flags = LM90_HAVE_OFFSET, + .flags = LM90_HAVE_OFFSET | LM90_HAVE_CRIT + | LM90_HAVE_CRIT_ALRM_SWP | LM90_HAVE_BROKEN_ALERT, .alert_alarms = 0x7c, .max_convrate = 7, }, [max6696] = { .flags = LM90_HAVE_EMERGENCY - | LM90_HAVE_EMERGENCY_ALARM | LM90_HAVE_TEMP3, + | LM90_HAVE_EMERGENCY_ALARM | LM90_HAVE_TEMP3 | LM90_HAVE_CRIT, .alert_alarms = 0x1c7c, .max_convrate = 6, .reg_local_ext = MAX6657_REG_R_LOCAL_TEMPL, }, [w83l771] = { - .flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT, + .flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT | LM90_HAVE_CRIT, .alert_alarms = 0x7c, .max_convrate = 8, }, [sa56004] = { - .flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT, + .flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT | LM90_HAVE_CRIT, .alert_alarms = 0x7b, .max_convrate = 9, .reg_local_ext = SA56004_REG_R_LOCAL_TEMPL, }, [tmp451] = { .flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT - | LM90_HAVE_BROKEN_ALERT, + | LM90_HAVE_BROKEN_ALERT | LM90_HAVE_EXTENDED_TEMP | LM90_HAVE_CRIT, + .alert_alarms = 0x7c, + .max_convrate = 9, + .reg_local_ext = TMP451_REG_R_LOCAL_TEMPL, + }, + [tmp461] = { + .flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT + | LM90_HAVE_BROKEN_ALERT | LM90_HAVE_EXTENDED_TEMP | LM90_HAVE_CRIT, .alert_alarms = 0x7c, .max_convrate = 9, .reg_local_ext = TMP451_REG_R_LOCAL_TEMPL, @@ -632,20 +678,22 @@ static int lm90_update_limits(struct device *dev) struct i2c_client *client = data->client; int val; - val = lm90_read_reg(client, LM90_REG_R_LOCAL_CRIT); - if (val < 0) - return val; - data->temp8[LOCAL_CRIT] = val; + if (data->flags & LM90_HAVE_CRIT) { + val = lm90_read_reg(client, LM90_REG_R_LOCAL_CRIT); + if (val < 0) + return val; + data->temp8[LOCAL_CRIT] = val; - val = lm90_read_reg(client, LM90_REG_R_REMOTE_CRIT); - if (val < 0) - return val; - data->temp8[REMOTE_CRIT] = val; + val = lm90_read_reg(client, LM90_REG_R_REMOTE_CRIT); + if (val < 0) + return val; + data->temp8[REMOTE_CRIT] = val; - val = lm90_read_reg(client, LM90_REG_R_TCRIT_HYST); - if (val < 0) - return val; - data->temp_hyst = val; + val = lm90_read_reg(client, LM90_REG_R_TCRIT_HYST); + if (val < 0) + return val; + data->temp_hyst = val; + } val = lm90_read_reg(client, LM90_REG_R_REMOTE_LOWH); if (val < 0) @@ -773,7 +821,7 @@ static int lm90_update_device(struct device *dev) val = lm90_read_reg(client, LM90_REG_R_STATUS); if (val < 0) return val; - data->alarms = val; /* lower 8 bit of alarms */ + data->alarms = val & ~LM90_STATUS_BUSY; if (data->kind == max6696) { val = lm90_select_remote_channel(data, 1); @@ -979,7 +1027,7 @@ static int lm90_get_temp11(struct lm90_data *data, int index) s16 temp11 = data->temp11[index]; int temp; - if (data->kind == adt7461 || data->kind == tmp451) + if (data->flags & LM90_HAVE_EXTENDED_TEMP) temp = temp_from_u16_adt7461(data, temp11); else if (data->kind == max6646) temp = temp_from_u16(temp11); @@ -1013,7 +1061,7 @@ static int lm90_set_temp11(struct lm90_data *data, int index, long val) if (data->kind == lm99 && index <= 2) val -= 16000; - if (data->kind == adt7461 || data->kind == tmp451) + if (data->flags & LM90_HAVE_EXTENDED_TEMP) data->temp11[index] = temp_to_u16_adt7461(data, val); else if (data->kind == max6646) data->temp11[index] = temp_to_u8(val) << 8; @@ -1040,7 +1088,7 @@ static int lm90_get_temp8(struct lm90_data *data, int index) s8 temp8 = data->temp8[index]; int temp; - if (data->kind == adt7461 || data->kind == tmp451) + if (data->flags & LM90_HAVE_EXTENDED_TEMP) temp = temp_from_u8_adt7461(data, temp8); else if (data->kind == max6646) temp = temp_from_u8(temp8); @@ -1073,7 +1121,7 @@ static int lm90_set_temp8(struct lm90_data *data, int index, long val) if (data->kind == lm99 && index == 3) val -= 16000; - if (data->kind == adt7461 || data->kind == tmp451) + if (data->flags & LM90_HAVE_EXTENDED_TEMP) data->temp8[index] = temp_to_u8_adt7461(data, val); else if (data->kind == max6646) data->temp8[index] = temp_to_u8(val); @@ -1091,7 +1139,7 @@ static int lm90_get_temphyst(struct lm90_data *data, int index) { int temp; - if (data->kind == adt7461 || data->kind == tmp451) + if (data->flags & LM90_HAVE_EXTENDED_TEMP) temp = temp_from_u8_adt7461(data, data->temp8[index]); else if (data->kind == max6646) temp = temp_from_u8(data->temp8[index]); @@ -1111,7 +1159,7 @@ static int lm90_set_temphyst(struct lm90_data *data, long val) int temp; int err; - if (data->kind == adt7461 || data->kind == tmp451) + if (data->flags & LM90_HAVE_EXTENDED_TEMP) temp = temp_from_u8_adt7461(data, data->temp8[LOCAL_CRIT]); else if (data->kind == max6646) temp = temp_from_u8(data->temp8[LOCAL_CRIT]); @@ -1147,6 +1195,7 @@ static const u8 lm90_temp_emerg_index[3] = { static const u8 lm90_min_alarm_bits[3] = { 5, 3, 11 }; static const u8 lm90_max_alarm_bits[3] = { 6, 4, 12 }; static const u8 lm90_crit_alarm_bits[3] = { 0, 1, 9 }; +static const u8 lm90_crit_alarm_bits_swapped[3] = { 1, 0, 9 }; static const u8 lm90_emergency_alarm_bits[3] = { 15, 13, 14 }; static const u8 lm90_fault_bits[3] = { 0, 2, 10 }; @@ -1172,7 +1221,10 @@ static int lm90_temp_read(struct device *dev, u32 attr, int channel, long *val) *val = (data->alarms >> lm90_max_alarm_bits[channel]) & 1; break; case hwmon_temp_crit_alarm: - *val = (data->alarms >> lm90_crit_alarm_bits[channel]) & 1; + if (data->flags & LM90_HAVE_CRIT_ALRM_SWP) + *val = (data->alarms >> lm90_crit_alarm_bits_swapped[channel]) & 1; + else + *val = (data->alarms >> lm90_crit_alarm_bits[channel]) & 1; break; case hwmon_temp_emergency_alarm: *val = (data->alarms >> lm90_emergency_alarm_bits[channel]) & 1; @@ -1420,12 +1472,11 @@ static int lm90_detect(struct i2c_client *client, if (man_id < 0 || chip_id < 0 || config1 < 0 || convrate < 0) return -ENODEV; - if (man_id == 0x01 || man_id == 0x5C || man_id == 0x41) { + if (man_id == 0x01 || man_id == 0x5C || man_id == 0xA1) { config2 = i2c_smbus_read_byte_data(client, LM90_REG_R_CONFIG2); if (config2 < 0) return -ENODEV; - } else - config2 = 0; /* Make compiler happy */ + } if ((address == 0x4C || address == 0x4D) && man_id == 0x01) { /* National Semiconductor */ @@ -1557,6 +1608,16 @@ static int lm90_detect(struct i2c_client *client, && (config1 & 0x3f) == 0x00 && convrate <= 0x07) { name = "max6646"; + } else + /* + * The chip_id of the MAX6654 holds the revision of the chip. + * The lowest 3 bits of the config1 register are unused and + * should return zero when read. + */ + if (chip_id == 0x08 + && (config1 & 0x07) == 0x00 + && convrate <= 0x07) { + name = "max6654"; } } else if (address == 0x4C @@ -1589,18 +1650,26 @@ static int lm90_detect(struct i2c_client *client, && convrate <= 0x08) name = "g781"; } else - if (address == 0x4C - && man_id == 0x55) { /* Texas Instruments */ - int local_ext; + if (man_id == 0x55 && chip_id == 0x00 && + (config1 & 0x1B) == 0x00 && convrate <= 0x09) { + int local_ext, conalert, chen, dfc; local_ext = i2c_smbus_read_byte_data(client, TMP451_REG_R_LOCAL_TEMPL); - - if (chip_id == 0x00 /* TMP451 */ - && (config1 & 0x1B) == 0x00 - && convrate <= 0x09 - && (local_ext & 0x0F) == 0x00) - name = "tmp451"; + conalert = i2c_smbus_read_byte_data(client, + TMP451_REG_CONALERT); + chen = i2c_smbus_read_byte_data(client, TMP461_REG_CHEN); + dfc = i2c_smbus_read_byte_data(client, TMP461_REG_DFC); + + if ((local_ext & 0x0F) == 0x00 && + (conalert & 0xf1) == 0x01 && + (chen & 0xfc) == 0x00 && + (dfc & 0xfc) == 0x00) { + if (address == 0x4c && !(chen & 0x03)) + name = "tmp451"; + else if (address >= 0x48 && address <= 0x4f) + name = "tmp461"; + } } if (!name) { /* identification failed */ @@ -1647,7 +1716,7 @@ static int lm90_init_client(struct i2c_client *client, struct lm90_data *data) lm90_set_convrate(client, data, 500); /* 500ms; 2Hz conversion rate */ /* Check Temperature Range Select */ - if (data->kind == adt7461 || data->kind == tmp451) { + if (data->flags & LM90_HAVE_EXTENDED_TEMP) { if (config & 0x04) data->flags |= LM90_FLAG_ADT7461_EXT; } @@ -1660,6 +1729,15 @@ static int lm90_init_client(struct i2c_client *client, struct lm90_data *data) if (data->kind == max6680) config |= 0x18; + /* + * Put MAX6654 into extended range (0x20, extend minimum range from + * 0 degrees to -64 degrees). Note that extended resolution is not + * possible on the MAX6654 unless conversion rate is set to 1 Hz or + * slower, which is intentionally not done by default. + */ + if (data->kind == max6654) + config |= 0x20; + /* * Select external channel 0 for max6695/96 */ @@ -1806,11 +1884,14 @@ static int lm90_probe(struct i2c_client *client, info->config = data->channel_config; data->channel_config[0] = HWMON_T_INPUT | HWMON_T_MIN | HWMON_T_MAX | - HWMON_T_CRIT | HWMON_T_CRIT_HYST | HWMON_T_MIN_ALARM | - HWMON_T_MAX_ALARM | HWMON_T_CRIT_ALARM; + HWMON_T_MIN_ALARM | HWMON_T_MAX_ALARM; data->channel_config[1] = HWMON_T_INPUT | HWMON_T_MIN | HWMON_T_MAX | - HWMON_T_CRIT | HWMON_T_CRIT_HYST | HWMON_T_MIN_ALARM | - HWMON_T_MAX_ALARM | HWMON_T_CRIT_ALARM | HWMON_T_FAULT; + HWMON_T_MIN_ALARM | HWMON_T_MAX_ALARM | HWMON_T_FAULT; + + if (data->flags & LM90_HAVE_CRIT) { + data->channel_config[0] |= HWMON_T_CRIT | HWMON_T_CRIT_ALARM | HWMON_T_CRIT_HYST; + data->channel_config[1] |= HWMON_T_CRIT | HWMON_T_CRIT_ALARM | HWMON_T_CRIT_HYST; + } if (data->flags & LM90_HAVE_OFFSET) data->channel_config[1] |= HWMON_T_OFFSET; diff --git a/drivers/i2c/busses/i2c-cbus-gpio.c b/drivers/i2c/busses/i2c-cbus-gpio.c index 72df563477b1c3e3d99feea2126bdc03fd408cd2..f8639a4457d23ae55eece7874c10e3a05562b58d 100644 --- a/drivers/i2c/busses/i2c-cbus-gpio.c +++ b/drivers/i2c/busses/i2c-cbus-gpio.c @@ -195,8 +195,9 @@ static u32 cbus_i2c_func(struct i2c_adapter *adapter) } static const struct i2c_algorithm cbus_i2c_algo = { - .smbus_xfer = cbus_i2c_smbus_xfer, - .functionality = cbus_i2c_func, + .smbus_xfer = cbus_i2c_smbus_xfer, + .smbus_xfer_atomic = cbus_i2c_smbus_xfer, + .functionality = cbus_i2c_func, }; static int cbus_i2c_remove(struct platform_device *pdev) diff --git a/drivers/i2c/busses/i2c-designware-pcidrv.c b/drivers/i2c/busses/i2c-designware-pcidrv.c index 05b35ac33ce33b4063b6993c6054b54be78aea88..735326e5eb8cf2baf885b965f8aa2f5c5b764baf 100644 --- a/drivers/i2c/busses/i2c-designware-pcidrv.c +++ b/drivers/i2c/busses/i2c-designware-pcidrv.c @@ -37,10 +37,10 @@ enum dw_pci_ctl_id_t { }; struct dw_scl_sda_cfg { - u32 ss_hcnt; - u32 fs_hcnt; - u32 ss_lcnt; - u32 fs_lcnt; + u16 ss_hcnt; + u16 fs_hcnt; + u16 ss_lcnt; + u16 fs_lcnt; u32 sda_hold; }; diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index a959062ded4f8c0a37573f97313e90309efa9fbf..4e6d0b722ddcd86e729413ec9a3f4c008537507b 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -785,6 +785,11 @@ static int i801_block_transaction(struct i801_priv *priv, int result = 0; unsigned char hostc; + if (read_write == I2C_SMBUS_READ && command == I2C_SMBUS_BLOCK_DATA) + data->block[0] = I2C_SMBUS_BLOCK_MAX; + else if (data->block[0] < 1 || data->block[0] > I2C_SMBUS_BLOCK_MAX) + return -EPROTO; + if (command == I2C_SMBUS_I2C_BLOCK_DATA) { if (read_write == I2C_SMBUS_WRITE) { /* set I2C_EN bit in configuration register */ @@ -798,16 +803,6 @@ static int i801_block_transaction(struct i801_priv *priv, } } - if (read_write == I2C_SMBUS_WRITE - || command == I2C_SMBUS_I2C_BLOCK_DATA) { - if (data->block[0] < 1) - data->block[0] = 1; - if (data->block[0] > I2C_SMBUS_BLOCK_MAX) - data->block[0] = I2C_SMBUS_BLOCK_MAX; - } else { - data->block[0] = 32; /* max for SMBus block reads */ - } - /* Experience has shown that the block buffer can only be used for SMBus (not I2C) block transactions, even though the datasheet doesn't mention this limitation. */ diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c index af349661fd7694382a6d4221677715ade8e2b3d4..8de8296d258318437441ee7e8aa4529c15516c09 100644 --- a/drivers/i2c/busses/i2c-mpc.c +++ b/drivers/i2c/busses/i2c-mpc.c @@ -105,23 +105,30 @@ static irqreturn_t mpc_i2c_isr(int irq, void *dev_id) /* Sometimes 9th clock pulse isn't generated, and slave doesn't release * the bus, because it wants to send ACK. * Following sequence of enabling/disabling and sending start/stop generates - * the 9 pulses, so it's all OK. + * the 9 pulses, each with a START then ending with STOP, so it's all OK. */ static void mpc_i2c_fixup(struct mpc_i2c *i2c) { int k; - u32 delay_val = 1000000 / i2c->real_clk + 1; - - if (delay_val < 2) - delay_val = 2; + unsigned long flags; for (k = 9; k; k--) { writeccr(i2c, 0); - writeccr(i2c, CCR_MSTA | CCR_MTX | CCR_MEN); + writeb(0, i2c->base + MPC_I2C_SR); /* clear any status bits */ + writeccr(i2c, CCR_MEN | CCR_MSTA); /* START */ + readb(i2c->base + MPC_I2C_DR); /* init xfer */ + udelay(15); /* let it hit the bus */ + local_irq_save(flags); /* should not be delayed further */ + writeccr(i2c, CCR_MEN | CCR_MSTA | CCR_RSTA); /* delay SDA */ readb(i2c->base + MPC_I2C_DR); - writeccr(i2c, CCR_MEN); - udelay(delay_val << 1); + if (k != 1) + udelay(5); + local_irq_restore(flags); } + writeccr(i2c, CCR_MEN); /* Initiate STOP */ + readb(i2c->base + MPC_I2C_DR); + udelay(15); /* Let STOP propagate */ + writeccr(i2c, 0); } static int i2c_wait(struct mpc_i2c *i2c, unsigned timeout, int writing) diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c index 1a33007b03e9e83301da5afdff77e435e499e738..1107a5e7229e409956d09c7e5124f1b337b920e1 100644 --- a/drivers/i2c/busses/i2c-rk3x.c +++ b/drivers/i2c/busses/i2c-rk3x.c @@ -422,8 +422,8 @@ static void rk3x_i2c_handle_read(struct rk3x_i2c *i2c, unsigned int ipd) if (!(ipd & REG_INT_MBRF)) return; - /* ack interrupt */ - i2c_writel(i2c, REG_INT_MBRF, REG_IPD); + /* ack interrupt (read also produces a spurious START flag, clear it too) */ + i2c_writel(i2c, REG_INT_MBRF | REG_INT_START, REG_IPD); /* Can only handle a maximum of 32 bytes at a time */ if (len > 32) diff --git a/drivers/i2c/busses/i2c-stm32f7.c b/drivers/i2c/busses/i2c-stm32f7.c index a7977eef2ead54adefc3819750faba5f2054066a..0f0c41174dddcf8245b4cc68b72a89f569cf7cdd 100644 --- a/drivers/i2c/busses/i2c-stm32f7.c +++ b/drivers/i2c/busses/i2c-stm32f7.c @@ -1394,6 +1394,7 @@ static irqreturn_t stm32f7_i2c_isr_event(int irq, void *data) { struct stm32f7_i2c_dev *i2c_dev = data; struct stm32f7_i2c_msg *f7_msg = &i2c_dev->f7_msg; + struct stm32_i2c_dma *dma = i2c_dev->dma; void __iomem *base = i2c_dev->base; u32 status, mask; int ret = IRQ_HANDLED; @@ -1418,6 +1419,10 @@ static irqreturn_t stm32f7_i2c_isr_event(int irq, void *data) if (status & STM32F7_I2C_ISR_NACKF) { dev_dbg(i2c_dev->dev, "<%s>: Receive NACK\n", __func__); writel_relaxed(STM32F7_I2C_ICR_NACKCF, base + STM32F7_I2C_ICR); + if (i2c_dev->use_dma) { + stm32f7_i2c_disable_dma_req(i2c_dev); + dmaengine_terminate_all(dma->chan_using); + } f7_msg->result = -ENXIO; } @@ -1433,7 +1438,7 @@ static irqreturn_t stm32f7_i2c_isr_event(int irq, void *data) /* Clear STOP flag */ writel_relaxed(STM32F7_I2C_ICR_STOPCF, base + STM32F7_I2C_ICR); - if (i2c_dev->use_dma) { + if (i2c_dev->use_dma && !f7_msg->result) { ret = IRQ_WAKE_THREAD; } else { i2c_dev->master_mode = false; @@ -1446,7 +1451,7 @@ static irqreturn_t stm32f7_i2c_isr_event(int irq, void *data) if (f7_msg->stop) { mask = STM32F7_I2C_CR2_STOP; stm32f7_i2c_set_bits(base + STM32F7_I2C_CR2, mask); - } else if (i2c_dev->use_dma) { + } else if (i2c_dev->use_dma && !f7_msg->result) { ret = IRQ_WAKE_THREAD; } else if (f7_msg->smbus) { stm32f7_i2c_smbus_rep_start(i2c_dev); @@ -1586,12 +1591,23 @@ static int stm32f7_i2c_xfer(struct i2c_adapter *i2c_adap, time_left = wait_for_completion_timeout(&i2c_dev->complete, i2c_dev->adap.timeout); ret = f7_msg->result; + if (ret) { + /* + * It is possible that some unsent data have already been + * written into TXDR. To avoid sending old data in a + * further transfer, flush TXDR in case of any error + */ + writel_relaxed(STM32F7_I2C_ISR_TXE, + i2c_dev->base + STM32F7_I2C_ISR); + goto pm_free; + } if (!time_left) { dev_dbg(i2c_dev->dev, "Access to slave 0x%x timed out\n", i2c_dev->msg->addr); if (i2c_dev->use_dma) dmaengine_terminate_all(dma->chan_using); + stm32f7_i2c_wait_free_bus(i2c_dev); ret = -ETIMEDOUT; } @@ -1634,13 +1650,22 @@ static int stm32f7_i2c_smbus_xfer(struct i2c_adapter *adapter, u16 addr, timeout = wait_for_completion_timeout(&i2c_dev->complete, i2c_dev->adap.timeout); ret = f7_msg->result; - if (ret) + if (ret) { + /* + * It is possible that some unsent data have already been + * written into TXDR. To avoid sending old data in a + * further transfer, flush TXDR in case of any error + */ + writel_relaxed(STM32F7_I2C_ISR_TXE, + i2c_dev->base + STM32F7_I2C_ISR); goto pm_free; + } if (!timeout) { dev_dbg(dev, "Access to slave 0x%x timed out\n", f7_msg->addr); if (i2c_dev->use_dma) dmaengine_terminate_all(dma->chan_using); + stm32f7_i2c_wait_free_bus(i2c_dev); ret = -ETIMEDOUT; goto pm_free; } diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c index c9ae1895cd48a57efd67326dc813af64a4cef614..7da6ca26a5f566d9baeca1b0c03dbd4cd2a01b97 100644 --- a/drivers/i2c/i2c-dev.c +++ b/drivers/i2c/i2c-dev.c @@ -536,6 +536,9 @@ static long compat_i2cdev_ioctl(struct file *file, unsigned int cmd, unsigned lo sizeof(rdwr_arg))) return -EFAULT; + if (!rdwr_arg.msgs || rdwr_arg.nmsgs == 0) + return -EINVAL; + if (rdwr_arg.nmsgs > I2C_RDWR_IOCTL_MAX_MSGS) return -EINVAL; diff --git a/drivers/iio/accel/kxcjk-1013.c b/drivers/iio/accel/kxcjk-1013.c index 57db60bf2d4cad89cb195b8447aaf654f0aa0e2c..6ff6f625bbf69a4aa23f22abd156b7ed775abbb0 100644 --- a/drivers/iio/accel/kxcjk-1013.c +++ b/drivers/iio/accel/kxcjk-1013.c @@ -1415,8 +1415,7 @@ static int kxcjk1013_probe(struct i2c_client *client, return 0; err_buffer_cleanup: - if (data->dready_trig) - iio_triggered_buffer_cleanup(indio_dev); + iio_triggered_buffer_cleanup(indio_dev); err_trigger_unregister: if (data->dready_trig) iio_trigger_unregister(data->dready_trig); @@ -1439,8 +1438,8 @@ static int kxcjk1013_remove(struct i2c_client *client) pm_runtime_set_suspended(&client->dev); pm_runtime_put_noidle(&client->dev); + iio_triggered_buffer_cleanup(indio_dev); if (data->dready_trig) { - iio_triggered_buffer_cleanup(indio_dev); iio_trigger_unregister(data->dready_trig); iio_trigger_unregister(data->motion_trig); } diff --git a/drivers/iio/accel/kxsd9.c b/drivers/iio/accel/kxsd9.c index 76429e2a6fb8f4ed34c3668c3ca6844bc4c52c0a..bc18f33c53e14139976f6d64a360d1bd702aa18f 100644 --- a/drivers/iio/accel/kxsd9.c +++ b/drivers/iio/accel/kxsd9.c @@ -224,14 +224,14 @@ static irqreturn_t kxsd9_trigger_handler(int irq, void *p) hw_values.chan, sizeof(hw_values.chan)); if (ret) { - dev_err(st->dev, - "error reading data\n"); - return ret; + dev_err(st->dev, "error reading data: %d\n", ret); + goto out; } iio_push_to_buffers_with_timestamp(indio_dev, &hw_values, iio_get_time_ns(indio_dev)); +out: iio_trigger_notify_done(indio_dev->trig); return IRQ_HANDLED; diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c index 85d453b3f5ec11b413313b2dd753cd6f7c3b654d..eaaee6f2a978b709dde14be89fd634dee5465ba5 100644 --- a/drivers/iio/accel/mma8452.c +++ b/drivers/iio/accel/mma8452.c @@ -1473,7 +1473,7 @@ static int mma8452_trigger_setup(struct iio_dev *indio_dev) if (ret) return ret; - indio_dev->trig = trig; + indio_dev->trig = iio_trigger_get(trig); return 0; } diff --git a/drivers/iio/adc/ad7768-1.c b/drivers/iio/adc/ad7768-1.c index 0f6c1be1cda2c2730ab24e47711cf31389c0cd4c..9e26517870595b5e362960a53e62c53a5716d70d 100644 --- a/drivers/iio/adc/ad7768-1.c +++ b/drivers/iio/adc/ad7768-1.c @@ -470,8 +470,8 @@ static irqreturn_t ad7768_trigger_handler(int irq, void *p) iio_push_to_buffers_with_timestamp(indio_dev, &st->data.scan, iio_get_time_ns(indio_dev)); - iio_trigger_notify_done(indio_dev->trig); err_unlock: + iio_trigger_notify_done(indio_dev->trig); mutex_unlock(&st->lock); return IRQ_HANDLED; diff --git a/drivers/iio/adc/at91-sama5d2_adc.c b/drivers/iio/adc/at91-sama5d2_adc.c index def4abeb47cae11c55a2f7e3dc6021e8e63a7097..8854da453669caedba75b955f8d91e985b4d95b1 100644 --- a/drivers/iio/adc/at91-sama5d2_adc.c +++ b/drivers/iio/adc/at91-sama5d2_adc.c @@ -1369,7 +1369,8 @@ static int at91_adc_read_info_raw(struct iio_dev *indio_dev, *val = st->conversion_value; ret = at91_adc_adjust_val_osr(st, val); if (chan->scan_type.sign == 's') - *val = sign_extend32(*val, 11); + *val = sign_extend32(*val, + chan->scan_type.realbits - 1); st->conversion_done = false; } diff --git a/drivers/iio/adc/axp20x_adc.c b/drivers/iio/adc/axp20x_adc.c index 88059480da17c3ec526cefd7175f6998aef176ca..e526c7d6e044ec9e2266fc55abf16164c7ffe892 100644 --- a/drivers/iio/adc/axp20x_adc.c +++ b/drivers/iio/adc/axp20x_adc.c @@ -251,19 +251,8 @@ static int axp22x_adc_raw(struct iio_dev *indio_dev, struct iio_chan_spec const *chan, int *val) { struct axp20x_adc_iio *info = iio_priv(indio_dev); - int size; - /* - * N.B.: Unlike the Chinese datasheets tell, the charging current is - * stored on 12 bits, not 13 bits. Only discharging current is on 13 - * bits. - */ - if (chan->type == IIO_CURRENT && chan->channel == AXP22X_BATT_DISCHRG_I) - size = 13; - else - size = 12; - - *val = axp20x_read_variable_width(info->regmap, chan->address, size); + *val = axp20x_read_variable_width(info->regmap, chan->address, 12); if (*val < 0) return *val; @@ -386,9 +375,8 @@ static int axp22x_adc_scale(struct iio_chan_spec const *chan, int *val, return IIO_VAL_INT_PLUS_MICRO; case IIO_CURRENT: - *val = 0; - *val2 = 500000; - return IIO_VAL_INT_PLUS_MICRO; + *val = 1; + return IIO_VAL_INT; case IIO_TEMP: *val = 100; diff --git a/drivers/iio/adc/dln2-adc.c b/drivers/iio/adc/dln2-adc.c index 65c7c9329b1c31dfd03b93aebd54dda901dd2b7a..2e37834633ff8c998278e4b2a2d2a188ec74ecb7 100644 --- a/drivers/iio/adc/dln2-adc.c +++ b/drivers/iio/adc/dln2-adc.c @@ -248,7 +248,6 @@ static int dln2_adc_set_chan_period(struct dln2_adc *dln2, static int dln2_adc_read(struct dln2_adc *dln2, unsigned int channel) { int ret, i; - struct iio_dev *indio_dev = platform_get_drvdata(dln2->pdev); u16 conflict; __le16 value; int olen = sizeof(value); @@ -257,13 +256,9 @@ static int dln2_adc_read(struct dln2_adc *dln2, unsigned int channel) .chan = channel, }; - ret = iio_device_claim_direct_mode(indio_dev); - if (ret < 0) - return ret; - ret = dln2_adc_set_chan_enabled(dln2, channel, true); if (ret < 0) - goto release_direct; + return ret; ret = dln2_adc_set_port_enabled(dln2, true, &conflict); if (ret < 0) { @@ -300,8 +295,6 @@ static int dln2_adc_read(struct dln2_adc *dln2, unsigned int channel) dln2_adc_set_port_enabled(dln2, false, NULL); disable_chan: dln2_adc_set_chan_enabled(dln2, channel, false); -release_direct: - iio_device_release_direct_mode(indio_dev); return ret; } @@ -337,10 +330,16 @@ static int dln2_adc_read_raw(struct iio_dev *indio_dev, switch (mask) { case IIO_CHAN_INFO_RAW: + ret = iio_device_claim_direct_mode(indio_dev); + if (ret < 0) + return ret; + mutex_lock(&dln2->mutex); ret = dln2_adc_read(dln2, chan->channel); mutex_unlock(&dln2->mutex); + iio_device_release_direct_mode(indio_dev); + if (ret < 0) return ret; @@ -666,7 +665,11 @@ static int dln2_adc_probe(struct platform_device *pdev) return -ENOMEM; } iio_trigger_set_drvdata(dln2->trig, dln2); - devm_iio_trigger_register(dev, dln2->trig); + ret = devm_iio_trigger_register(dev, dln2->trig); + if (ret) { + dev_err(dev, "failed to register trigger: %d\n", ret); + return ret; + } iio_trigger_set_immutable(indio_dev, dln2->trig); ret = devm_iio_triggered_buffer_setup(dev, indio_dev, NULL, diff --git a/drivers/iio/adc/stm32-adc.c b/drivers/iio/adc/stm32-adc.c index 94fde39d9ff7a8a41f38a1374d4970ad90214183..d1bbd2b197fc67adc06cfde943ab4590cf9858d0 100644 --- a/drivers/iio/adc/stm32-adc.c +++ b/drivers/iio/adc/stm32-adc.c @@ -933,6 +933,7 @@ static int stm32h7_adc_prepare(struct stm32_adc *adc) static void stm32h7_adc_unprepare(struct stm32_adc *adc) { + stm32_adc_writel(adc, STM32H7_ADC_PCSEL, 0); stm32h7_adc_disable(adc); stm32h7_adc_enter_pwr_down(adc); } diff --git a/drivers/iio/gyro/itg3200_buffer.c b/drivers/iio/gyro/itg3200_buffer.c index 1c3c1bd53374a4b45aa1917319e1182d5ef4d636..98b3f021f0bec1a85b0471f691a3d71cf5d9126d 100644 --- a/drivers/iio/gyro/itg3200_buffer.c +++ b/drivers/iio/gyro/itg3200_buffer.c @@ -61,9 +61,9 @@ static irqreturn_t itg3200_trigger_handler(int irq, void *p) iio_push_to_buffers_with_timestamp(indio_dev, &scan, pf->timestamp); +error_ret: iio_trigger_notify_done(indio_dev->trig); -error_ret: return IRQ_HANDLED; } diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c index 057a4b0100106bdc2e216b11339ffcf1b9371476..8850da8e25d69a1f08726f2168924027c0d5373e 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c @@ -1015,6 +1015,8 @@ static int st_lsm6dsx_set_odr(struct st_lsm6dsx_sensor *sensor, u16 req_odr) int err; switch (sensor->id) { + case ST_LSM6DSX_ID_GYRO: + break; case ST_LSM6DSX_ID_EXT0: case ST_LSM6DSX_ID_EXT1: case ST_LSM6DSX_ID_EXT2: @@ -1040,8 +1042,8 @@ static int st_lsm6dsx_set_odr(struct st_lsm6dsx_sensor *sensor, u16 req_odr) } break; } - default: - break; + default: /* should never occur */ + return -EINVAL; } if (req_odr > 0) { diff --git a/drivers/iio/industrialio-trigger.c b/drivers/iio/industrialio-trigger.c index 3908a9a900354fd0669ef648ba0381795a38eed5..65de21d9dda15021b2a9abc820ec195931b659b3 100644 --- a/drivers/iio/industrialio-trigger.c +++ b/drivers/iio/industrialio-trigger.c @@ -549,7 +549,6 @@ static struct iio_trigger *viio_trigger_alloc(const char *fmt, va_list vargs) irq_modify_status(trig->subirq_base + i, IRQ_NOREQUEST | IRQ_NOAUTOEN, IRQ_NOPROBE); } - get_device(&trig->dev); return trig; diff --git a/drivers/iio/light/ltr501.c b/drivers/iio/light/ltr501.c index 8bc01e8a424b00c7aaf29ebb7a593bcc9adcffcf..d84d6895ad30de997b885967a0769cd369d29841 100644 --- a/drivers/iio/light/ltr501.c +++ b/drivers/iio/light/ltr501.c @@ -1272,7 +1272,7 @@ static irqreturn_t ltr501_trigger_handler(int irq, void *p) ret = regmap_bulk_read(data->regmap, LTR501_ALS_DATA1, (u8 *)als_buf, sizeof(als_buf)); if (ret < 0) - return ret; + goto done; if (test_bit(0, indio_dev->active_scan_mask)) scan.channels[j++] = le16_to_cpu(als_buf[1]); if (test_bit(1, indio_dev->active_scan_mask)) diff --git a/drivers/iio/light/stk3310.c b/drivers/iio/light/stk3310.c index 185c24a75ae6fa2fadfc8c9736a3c550e865b42a..d9d32ada635bb8e9495742f3e19f9e3d0b9d594f 100644 --- a/drivers/iio/light/stk3310.c +++ b/drivers/iio/light/stk3310.c @@ -544,9 +544,8 @@ static irqreturn_t stk3310_irq_event_handler(int irq, void *private) mutex_lock(&data->lock); ret = regmap_field_read(data->reg_flag_nf, &dir); if (ret < 0) { - dev_err(&data->client->dev, "register read failed\n"); - mutex_unlock(&data->lock); - return ret; + dev_err(&data->client->dev, "register read failed: %d\n", ret); + goto out; } event = IIO_UNMOD_EVENT_CODE(IIO_PROXIMITY, 1, IIO_EV_TYPE_THRESH, @@ -558,6 +557,7 @@ static irqreturn_t stk3310_irq_event_handler(int irq, void *private) ret = regmap_field_write(data->reg_flag_psint, 0); if (ret < 0) dev_err(&data->client->dev, "failed to reset interrupts\n"); +out: mutex_unlock(&data->lock); return IRQ_HANDLED; diff --git a/drivers/iio/trigger/stm32-timer-trigger.c b/drivers/iio/trigger/stm32-timer-trigger.c index f98510c714b57be77be10d127785ca78a7aec02b..4ca9daadb3f161d88301685d8a31296b1fd21dc3 100644 --- a/drivers/iio/trigger/stm32-timer-trigger.c +++ b/drivers/iio/trigger/stm32-timer-trigger.c @@ -800,6 +800,6 @@ static struct platform_driver stm32_timer_trigger_driver = { }; module_platform_driver(stm32_timer_trigger_driver); -MODULE_ALIAS("platform: stm32-timer-trigger"); +MODULE_ALIAS("platform:stm32-timer-trigger"); MODULE_DESCRIPTION("STMicroelectronics STM32 Timer Trigger driver"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index ec9e9598894f6b036d85a3b6c48e33f17718fd6a..5e2b688e36fca16a1e4d172aa45f1b1edc4b917d 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -820,6 +820,7 @@ static int cma_resolve_ib_dev(struct rdma_id_private *id_priv) u16 pkey, index; u8 p; enum ib_port_state port_state; + int ret; int i; cma_dev = NULL; @@ -838,9 +839,14 @@ static int cma_resolve_ib_dev(struct rdma_id_private *id_priv) if (ib_get_cached_port_state(cur_dev->device, p, &port_state)) continue; - for (i = 0; !rdma_query_gid(cur_dev->device, - p, i, &gid); - i++) { + + for (i = 0; i < cur_dev->device->port_data[p].immutable.gid_tbl_len; + ++i) { + ret = rdma_query_gid(cur_dev->device, p, i, + &gid); + if (ret) + continue; + if (!memcmp(&gid, dgid, sizeof(gid))) { cma_dev = cur_dev; sgid = gid; diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c index 256d379bba676b91c3350da0af4254169b3c3d6c..de66d7da1bf6ebc73ccddc5f8fc8b0cb027dea64 100644 --- a/drivers/infiniband/core/device.c +++ b/drivers/infiniband/core/device.c @@ -2438,7 +2438,8 @@ int ib_find_gid(struct ib_device *device, union ib_gid *gid, ++i) { ret = rdma_query_gid(device, port, i, &tmp_gid); if (ret) - return ret; + continue; + if (!memcmp(&tmp_gid, gid, sizeof *gid)) { *port_num = port; if (index) diff --git a/drivers/infiniband/core/uverbs_marshall.c b/drivers/infiniband/core/uverbs_marshall.c index b8d715c68ca44e3c41bf87f1547384b40c82d4a4..11a0806469162640d32c094f55c1ae2d3913b20f 100644 --- a/drivers/infiniband/core/uverbs_marshall.c +++ b/drivers/infiniband/core/uverbs_marshall.c @@ -66,7 +66,7 @@ void ib_copy_ah_attr_to_user(struct ib_device *device, struct rdma_ah_attr *src = ah_attr; struct rdma_ah_attr conv_ah; - memset(&dst->grh.reserved, 0, sizeof(dst->grh.reserved)); + memset(&dst->grh, 0, sizeof(dst->grh)); if ((ah_attr->type == RDMA_AH_ATTR_TYPE_OPA) && (rdma_ah_get_dlid(ah_attr) > be16_to_cpu(IB_LID_PERMISSIVE)) && diff --git a/drivers/infiniband/core/uverbs_uapi.c b/drivers/infiniband/core/uverbs_uapi.c index 00c5478871322a7a85274140b593eb23ebf451e2..818699b855c5c753168ea7f2e7eb7e242c3819ca 100644 --- a/drivers/infiniband/core/uverbs_uapi.c +++ b/drivers/infiniband/core/uverbs_uapi.c @@ -450,6 +450,9 @@ static int uapi_finalize(struct uverbs_api *uapi) uapi->num_write_ex = max_write_ex + 1; data = kmalloc_array(uapi->num_write + uapi->num_write_ex, sizeof(*uapi->write_methods), GFP_KERNEL); + if (!data) + return -ENOMEM; + for (i = 0; i != uapi->num_write + uapi->num_write_ex; i++) data[i] = &uapi->notsupp_method; uapi->write_methods = data; diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c index a96f9142fe08e6baa0da647e4f9255f3ef6e177c..dd006b177b54444014c1dd498430d2b937b4ae70 100644 --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c @@ -3081,8 +3081,11 @@ static void bnxt_re_process_res_ud_wc(struct bnxt_re_qp *qp, struct ib_wc *wc, struct bnxt_qplib_cqe *cqe) { + struct bnxt_re_dev *rdev; + u16 vlan_id = 0; u8 nw_type; + rdev = qp->rdev; wc->opcode = IB_WC_RECV; wc->status = __rc_to_ib_wc_status(cqe->status); @@ -3094,9 +3097,12 @@ static void bnxt_re_process_res_ud_wc(struct bnxt_re_qp *qp, memcpy(wc->smac, cqe->smac, ETH_ALEN); wc->wc_flags |= IB_WC_WITH_SMAC; if (cqe->flags & CQ_RES_UD_FLAGS_META_FORMAT_VLAN) { - wc->vlan_id = (cqe->cfa_meta & 0xFFF); - if (wc->vlan_id < 0x1000) - wc->wc_flags |= IB_WC_WITH_VLAN; + vlan_id = (cqe->cfa_meta & 0xFFF); + } + /* Mark only if vlan_id is non zero */ + if (vlan_id && bnxt_re_check_if_vlan_valid(rdev, vlan_id)) { + wc->vlan_id = vlan_id; + wc->wc_flags |= IB_WC_WITH_VLAN; } nw_type = (cqe->flags & CQ_RES_UD_FLAGS_ROCE_IP_VER_MASK) >> CQ_RES_UD_FLAGS_ROCE_IP_VER_SFT; diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c index 3ac08f47a8ce47b79cd0e42e15da765af6363879..b3fbafbf66555a4d0e4d371956eb4d4cddeeb65e 100644 --- a/drivers/infiniband/hw/cxgb4/qp.c +++ b/drivers/infiniband/hw/cxgb4/qp.c @@ -2469,6 +2469,7 @@ int c4iw_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, memset(attr, 0, sizeof(*attr)); memset(init_attr, 0, sizeof(*init_attr)); attr->qp_state = to_ib_qp_state(qhp->attr.state); + attr->cur_qp_state = to_ib_qp_state(qhp->attr.state); init_attr->cap.max_send_wr = qhp->attr.sq_num_entries; init_attr->cap.max_recv_wr = qhp->attr.rq_num_entries; init_attr->cap.max_send_sge = qhp->attr.sq_max_sges; diff --git a/drivers/infiniband/hw/hfi1/init.c b/drivers/infiniband/hw/hfi1/init.c index 1256dbd5b2ef05aa7a14072c4e3f8578570973e0..85583f51124e28fc2c293cba7c78969280ba6ffb 100644 --- a/drivers/infiniband/hw/hfi1/init.c +++ b/drivers/infiniband/hw/hfi1/init.c @@ -1175,7 +1175,7 @@ void hfi1_free_ctxtdata(struct hfi1_devdata *dd, struct hfi1_ctxtdata *rcd) rcd->egrbufs.rcvtids = NULL; for (e = 0; e < rcd->egrbufs.alloced; e++) { - if (rcd->egrbufs.buffers[e].dma) + if (rcd->egrbufs.buffers[e].addr) dma_free_coherent(&dd->pcidev->dev, rcd->egrbufs.buffers[e].len, rcd->egrbufs.buffers[e].addr, diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c index f23a341400c06b6127887efbdaf1aa231a54327c..70991649dc6931b6a72a3f817c661514858c166b 100644 --- a/drivers/infiniband/hw/hns/hns_roce_main.c +++ b/drivers/infiniband/hw/hns/hns_roce_main.c @@ -279,6 +279,9 @@ static enum rdma_link_layer hns_roce_get_link_layer(struct ib_device *device, static int hns_roce_query_pkey(struct ib_device *ib_dev, u8 port, u16 index, u16 *pkey) { + if (index > 0) + return -EINVAL; + *pkey = PKEY_ID; return 0; @@ -359,7 +362,7 @@ static int hns_roce_mmap(struct ib_ucontext *context, return rdma_user_mmap_io(context, vma, to_hr_ucontext(context)->uar.pfn, PAGE_SIZE, - pgprot_noncached(vma->vm_page_prot)); + pgprot_device(vma->vm_page_prot)); /* vm_pgoff: 1 -- TPTR */ case 1: diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index 48864269f042a7129ed00da6b19b3f845d34528a..baa129a6c9127d2ca5c254d0874e89cf38694ea1 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -3291,7 +3291,7 @@ static void mlx4_ib_event(struct mlx4_dev *dev, void *ibdev_ptr, case MLX4_DEV_EVENT_PORT_MGMT_CHANGE: ew = kmalloc(sizeof *ew, GFP_ATOMIC); if (!ew) - break; + return; INIT_WORK(&ew->work, handle_port_mgmt_change_event); memcpy(&ew->ib_eqe, eqe, sizeof *eqe); diff --git a/drivers/infiniband/hw/qib/qib_user_sdma.c b/drivers/infiniband/hw/qib/qib_user_sdma.c index 5fd28574124fb3d41f644896a390236137a89f15..fde848b00202b74c67e29e44b5de13ee38b7a324 100644 --- a/drivers/infiniband/hw/qib/qib_user_sdma.c +++ b/drivers/infiniband/hw/qib/qib_user_sdma.c @@ -941,7 +941,7 @@ static int qib_user_sdma_queue_pkts(const struct qib_devdata *dd, &addrlimit) || addrlimit > type_max(typeof(pkt->addrlimit))) { ret = -EINVAL; - goto free_pbc; + goto free_pkt; } pkt->addrlimit = addrlimit; diff --git a/drivers/infiniband/sw/rdmavt/qp.c b/drivers/infiniband/sw/rdmavt/qp.c index d14ad523f96c85cb9c22ec4e1c55a8ac068ebc50..a5152f097cb7aa46e122cf14e90196e585d34bbb 100644 --- a/drivers/infiniband/sw/rdmavt/qp.c +++ b/drivers/infiniband/sw/rdmavt/qp.c @@ -3110,6 +3110,8 @@ void rvt_ruc_loopback(struct rvt_qp *sqp) case IB_WR_ATOMIC_FETCH_AND_ADD: if (unlikely(!(qp->qp_access_flags & IB_ACCESS_REMOTE_ATOMIC))) goto inv_err; + if (unlikely(wqe->atomic_wr.remote_addr & (sizeof(u64) - 1))) + goto inv_err; if (unlikely(!rvt_rkey_ok(qp, &qp->r_sge.sge, sizeof(u64), wqe->atomic_wr.remote_addr, wqe->atomic_wr.rkey, diff --git a/drivers/infiniband/sw/rxe/rxe_opcode.c b/drivers/infiniband/sw/rxe/rxe_opcode.c index 4cf11063e0b597bee02532a52ea648d0a26c2eac..0f166d6d0ccb00fd50937d8de438ecc13ccab8d7 100644 --- a/drivers/infiniband/sw/rxe/rxe_opcode.c +++ b/drivers/infiniband/sw/rxe/rxe_opcode.c @@ -137,7 +137,7 @@ struct rxe_opcode_info rxe_opcode[RXE_NUM_OPCODE] = { } }, [IB_OPCODE_RC_SEND_MIDDLE] = { - .name = "IB_OPCODE_RC_SEND_MIDDLE]", + .name = "IB_OPCODE_RC_SEND_MIDDLE", .mask = RXE_PAYLOAD_MASK | RXE_REQ_MASK | RXE_SEND_MASK | RXE_MIDDLE_MASK, .length = RXE_BTH_BYTES, diff --git a/drivers/infiniband/sw/siw/siw.h b/drivers/infiniband/sw/siw/siw.h index 4d8bc995b4503935ad1b05e5684d60ca535c046f..eaa9863dd1e0069347eb634d8ad06edb079d3ecf 100644 --- a/drivers/infiniband/sw/siw/siw.h +++ b/drivers/infiniband/sw/siw/siw.h @@ -658,14 +658,9 @@ static inline struct siw_sqe *orq_get_current(struct siw_qp *qp) return &qp->orq[qp->orq_get % qp->attrs.orq_size]; } -static inline struct siw_sqe *orq_get_tail(struct siw_qp *qp) -{ - return &qp->orq[qp->orq_put % qp->attrs.orq_size]; -} - static inline struct siw_sqe *orq_get_free(struct siw_qp *qp) { - struct siw_sqe *orq_e = orq_get_tail(qp); + struct siw_sqe *orq_e = &qp->orq[qp->orq_put % qp->attrs.orq_size]; if (READ_ONCE(orq_e->flags) == 0) return orq_e; diff --git a/drivers/infiniband/sw/siw/siw_qp_rx.c b/drivers/infiniband/sw/siw/siw_qp_rx.c index c7c38f7fd29d63f99e4f5353d007940ab840be5b..5f94c716301fa81b9b64b8138844879e0d81aa2e 100644 --- a/drivers/infiniband/sw/siw/siw_qp_rx.c +++ b/drivers/infiniband/sw/siw/siw_qp_rx.c @@ -1153,11 +1153,12 @@ static int siw_check_tx_fence(struct siw_qp *qp) spin_lock_irqsave(&qp->orq_lock, flags); - rreq = orq_get_current(qp); - /* free current orq entry */ + rreq = orq_get_current(qp); WRITE_ONCE(rreq->flags, 0); + qp->orq_get++; + if (qp->tx_ctx.orq_fence) { if (unlikely(tx_waiting->wr_status != SIW_WR_QUEUED)) { pr_warn("siw: [QP %u]: fence resume: bad status %d\n", @@ -1165,10 +1166,12 @@ static int siw_check_tx_fence(struct siw_qp *qp) rv = -EPROTO; goto out; } - /* resume SQ processing */ + /* resume SQ processing, if possible */ if (tx_waiting->sqe.opcode == SIW_OP_READ || tx_waiting->sqe.opcode == SIW_OP_READ_LOCAL_INV) { - rreq = orq_get_tail(qp); + + /* SQ processing was stopped because of a full ORQ */ + rreq = orq_get_free(qp); if (unlikely(!rreq)) { pr_warn("siw: [QP %u]: no ORQE\n", qp_id(qp)); rv = -EPROTO; @@ -1181,15 +1184,14 @@ static int siw_check_tx_fence(struct siw_qp *qp) resume_tx = 1; } else if (siw_orq_empty(qp)) { + /* + * SQ processing was stopped by fenced work request. + * Resume since all previous Read's are now completed. + */ qp->tx_ctx.orq_fence = 0; resume_tx = 1; - } else { - pr_warn("siw: [QP %u]: fence resume: orq idx: %d:%d\n", - qp_id(qp), qp->orq_get, qp->orq_put); - rv = -EPROTO; } } - qp->orq_get++; out: spin_unlock_irqrestore(&qp->orq_lock, flags); diff --git a/drivers/input/joystick/spaceball.c b/drivers/input/joystick/spaceball.c index cf7cbcd0c29df2b70f5b40f39b33b51974df91af..6971412990695262d37ad4ef8164c2ccc2098597 100644 --- a/drivers/input/joystick/spaceball.c +++ b/drivers/input/joystick/spaceball.c @@ -19,6 +19,7 @@ #include #include #include +#include #define DRIVER_DESC "SpaceTec SpaceBall 2003/3003/4000 FLX driver" @@ -75,9 +76,15 @@ static void spaceball_process_packet(struct spaceball* spaceball) case 'D': /* Ball data */ if (spaceball->idx != 15) return; - for (i = 0; i < 6; i++) + /* + * Skip first three bytes; read six axes worth of data. + * Axis values are signed 16-bit big-endian. + */ + data += 3; + for (i = 0; i < ARRAY_SIZE(spaceball_axes); i++) { input_report_abs(dev, spaceball_axes[i], - (__s16)((data[2 * i + 3] << 8) | data[2 * i + 2])); + (__s16)get_unaligned_be16(&data[i * 2])); + } break; case 'K': /* Button data */ diff --git a/drivers/input/mouse/appletouch.c b/drivers/input/mouse/appletouch.c index 3f06e8a495d80b15e6048c8fd91bb50e9963f57e..ff94388416645b69501315f1b73f927bf19143ba 100644 --- a/drivers/input/mouse/appletouch.c +++ b/drivers/input/mouse/appletouch.c @@ -916,6 +916,8 @@ static int atp_probe(struct usb_interface *iface, set_bit(BTN_TOOL_TRIPLETAP, input_dev->keybit); set_bit(BTN_LEFT, input_dev->keybit); + INIT_WORK(&dev->work, atp_reinit); + error = input_register_device(dev->input); if (error) goto err_free_buffer; @@ -923,8 +925,6 @@ static int atp_probe(struct usb_interface *iface, /* save our data pointer in this interface device */ usb_set_intfdata(iface, dev); - INIT_WORK(&dev->work, atp_reinit); - return 0; err_free_buffer: diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c index 0b5ed963cb0e1ba66968569d2f9def84ddeb91a2..3e78c2602581510fbd38e7d43a95a34e8652c8b4 100644 --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -1588,7 +1588,13 @@ static const struct dmi_system_id no_hw_res_dmi_table[] = { */ static int elantech_change_report_id(struct psmouse *psmouse) { - unsigned char param[2] = { 0x10, 0x03 }; + /* + * NOTE: the code is expecting to receive param[] as an array of 3 + * items (see __ps2_command()), even if in this case only 2 are + * actually needed. Make sure the array size is 3 to avoid potential + * stack out-of-bound accesses. + */ + unsigned char param[3] = { 0x10, 0x03 }; if (elantech_write_reg_params(psmouse, 0x7, param) || elantech_read_reg_params(psmouse, 0x7, param) || diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index 202e43a6ffae2e9016a579a73ea2459617349b31..0282c4c55e9da67a3e6919ab67afe6706501c4be 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -995,6 +995,24 @@ static const struct dmi_system_id __initconst i8042_dmi_kbdreset_table[] = { { } }; +static const struct dmi_system_id i8042_dmi_probe_defer_table[] __initconst = { + { + /* ASUS ZenBook UX425UA */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_MATCH(DMI_PRODUCT_NAME, "ZenBook UX425UA"), + }, + }, + { + /* ASUS ZenBook UM325UA */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_MATCH(DMI_PRODUCT_NAME, "ZenBook UX325UA_UM325UA"), + }, + }, + { } +}; + #endif /* CONFIG_X86 */ #ifdef CONFIG_PNP @@ -1314,6 +1332,9 @@ static int __init i8042_platform_init(void) if (dmi_check_system(i8042_dmi_kbdreset_table)) i8042_kbdreset = true; + if (dmi_check_system(i8042_dmi_probe_defer_table)) + i8042_probe_defer = true; + /* * A20 was already enabled during early kernel init. But some buggy * BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c index 6ff6b5710dd4ec113eb5c4ec66d6398da7c3e288..bb76ff2f6b1d8eb47db9b0d83a9935791767a109 100644 --- a/drivers/input/serio/i8042.c +++ b/drivers/input/serio/i8042.c @@ -44,6 +44,10 @@ static bool i8042_unlock; module_param_named(unlock, i8042_unlock, bool, 0); MODULE_PARM_DESC(unlock, "Ignore keyboard lock."); +static bool i8042_probe_defer; +module_param_named(probe_defer, i8042_probe_defer, bool, 0); +MODULE_PARM_DESC(probe_defer, "Allow deferred probing."); + enum i8042_controller_reset_mode { I8042_RESET_NEVER, I8042_RESET_ALWAYS, @@ -709,7 +713,7 @@ static int i8042_set_mux_mode(bool multiplex, unsigned char *mux_version) * LCS/Telegraphics. */ -static int __init i8042_check_mux(void) +static int i8042_check_mux(void) { unsigned char mux_version; @@ -738,10 +742,10 @@ static int __init i8042_check_mux(void) /* * The following is used to test AUX IRQ delivery. */ -static struct completion i8042_aux_irq_delivered __initdata; -static bool i8042_irq_being_tested __initdata; +static struct completion i8042_aux_irq_delivered; +static bool i8042_irq_being_tested; -static irqreturn_t __init i8042_aux_test_irq(int irq, void *dev_id) +static irqreturn_t i8042_aux_test_irq(int irq, void *dev_id) { unsigned long flags; unsigned char str, data; @@ -768,7 +772,7 @@ static irqreturn_t __init i8042_aux_test_irq(int irq, void *dev_id) * verifies success by readinng CTR. Used when testing for presence of AUX * port. */ -static int __init i8042_toggle_aux(bool on) +static int i8042_toggle_aux(bool on) { unsigned char param; int i; @@ -796,7 +800,7 @@ static int __init i8042_toggle_aux(bool on) * the presence of an AUX interface. */ -static int __init i8042_check_aux(void) +static int i8042_check_aux(void) { int retval = -1; bool irq_registered = false; @@ -1003,7 +1007,7 @@ static int i8042_controller_init(void) if (i8042_command(&ctr[n++ % 2], I8042_CMD_CTL_RCTR)) { pr_err("Can't read CTR while initializing i8042\n"); - return -EIO; + return i8042_probe_defer ? -EPROBE_DEFER : -EIO; } } while (n < 2 || ctr[0] != ctr[1]); @@ -1318,7 +1322,7 @@ static void i8042_shutdown(struct platform_device *dev) i8042_controller_reset(false); } -static int __init i8042_create_kbd_port(void) +static int i8042_create_kbd_port(void) { struct serio *serio; struct i8042_port *port = &i8042_ports[I8042_KBD_PORT_NO]; @@ -1346,7 +1350,7 @@ static int __init i8042_create_kbd_port(void) return 0; } -static int __init i8042_create_aux_port(int idx) +static int i8042_create_aux_port(int idx) { struct serio *serio; int port_no = idx < 0 ? I8042_AUX_PORT_NO : I8042_MUX_PORT_NO + idx; @@ -1383,13 +1387,13 @@ static int __init i8042_create_aux_port(int idx) return 0; } -static void __init i8042_free_kbd_port(void) +static void i8042_free_kbd_port(void) { kfree(i8042_ports[I8042_KBD_PORT_NO].serio); i8042_ports[I8042_KBD_PORT_NO].serio = NULL; } -static void __init i8042_free_aux_ports(void) +static void i8042_free_aux_ports(void) { int i; @@ -1399,7 +1403,7 @@ static void __init i8042_free_aux_ports(void) } } -static void __init i8042_register_ports(void) +static void i8042_register_ports(void) { int i; @@ -1440,7 +1444,7 @@ static void i8042_free_irqs(void) i8042_aux_irq_registered = i8042_kbd_irq_registered = false; } -static int __init i8042_setup_aux(void) +static int i8042_setup_aux(void) { int (*aux_enable)(void); int error; @@ -1482,7 +1486,7 @@ static int __init i8042_setup_aux(void) return error; } -static int __init i8042_setup_kbd(void) +static int i8042_setup_kbd(void) { int error; @@ -1532,7 +1536,7 @@ static int i8042_kbd_bind_notifier(struct notifier_block *nb, return 0; } -static int __init i8042_probe(struct platform_device *dev) +static int i8042_probe(struct platform_device *dev) { int error; @@ -1597,6 +1601,7 @@ static struct platform_driver i8042_driver = { .pm = &i8042_pm_ops, #endif }, + .probe = i8042_probe, .remove = i8042_remove, .shutdown = i8042_shutdown, }; @@ -1607,7 +1612,6 @@ static struct notifier_block i8042_kbd_bind_notifier_block = { static int __init i8042_init(void) { - struct platform_device *pdev; int err; dbg_init(); @@ -1623,17 +1627,29 @@ static int __init i8042_init(void) /* Set this before creating the dev to allow i8042_command to work right away */ i8042_present = true; - pdev = platform_create_bundle(&i8042_driver, i8042_probe, NULL, 0, NULL, 0); - if (IS_ERR(pdev)) { - err = PTR_ERR(pdev); + err = platform_driver_register(&i8042_driver); + if (err) goto err_platform_exit; + + i8042_platform_device = platform_device_alloc("i8042", -1); + if (!i8042_platform_device) { + err = -ENOMEM; + goto err_unregister_driver; } + err = platform_device_add(i8042_platform_device); + if (err) + goto err_free_device; + bus_register_notifier(&serio_bus, &i8042_kbd_bind_notifier_block); panic_blink = i8042_panic_blink; return 0; +err_free_device: + platform_device_put(i8042_platform_device); +err_unregister_driver: + platform_driver_unregister(&i8042_driver); err_platform_exit: i8042_platform_exit(); return err; diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index ae60442efda0dcc29988d16ac32e3488c4e107ea..fb31a9d43162baff6a27b969fc15eef72c8512f4 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -1794,7 +1794,7 @@ static int mxt_read_info_block(struct mxt_data *data) if (error) { dev_err(&client->dev, "Error %d parsing object table\n", error); mxt_free_object_table(data); - goto err_free_mem; + return error; } data->object_table = (struct mxt_object *)(id_buf + MXT_OBJECT_START); diff --git a/drivers/input/touchscreen/of_touchscreen.c b/drivers/input/touchscreen/of_touchscreen.c index e16ec4c7043a4da7833cf757e01501fff1b38474..ed5fbcb40e3f079619c8de073c8012d3ca223f42 100644 --- a/drivers/input/touchscreen/of_touchscreen.c +++ b/drivers/input/touchscreen/of_touchscreen.c @@ -77,12 +77,12 @@ void touchscreen_parse_properties(struct input_dev *input, bool multitouch, axis = multitouch ? ABS_MT_POSITION_X : ABS_X; data_present = touchscreen_get_prop_u32(dev, "touchscreen-min-x", input_abs_get_min(input, axis), - &minimum) | - touchscreen_get_prop_u32(dev, "touchscreen-size-x", + &minimum); + data_present |= touchscreen_get_prop_u32(dev, "touchscreen-size-x", input_abs_get_max(input, axis) + 1, - &maximum) | - touchscreen_get_prop_u32(dev, "touchscreen-fuzz-x", + &maximum); + data_present |= touchscreen_get_prop_u32(dev, "touchscreen-fuzz-x", input_abs_get_fuzz(input, axis), &fuzz); if (data_present) @@ -91,12 +91,12 @@ void touchscreen_parse_properties(struct input_dev *input, bool multitouch, axis = multitouch ? ABS_MT_POSITION_Y : ABS_Y; data_present = touchscreen_get_prop_u32(dev, "touchscreen-min-y", input_abs_get_min(input, axis), - &minimum) | - touchscreen_get_prop_u32(dev, "touchscreen-size-y", + &minimum); + data_present |= touchscreen_get_prop_u32(dev, "touchscreen-size-y", input_abs_get_max(input, axis) + 1, - &maximum) | - touchscreen_get_prop_u32(dev, "touchscreen-fuzz-y", + &maximum); + data_present |= touchscreen_get_prop_u32(dev, "touchscreen-fuzz-y", input_abs_get_fuzz(input, axis), &fuzz); if (data_present) @@ -106,11 +106,11 @@ void touchscreen_parse_properties(struct input_dev *input, bool multitouch, data_present = touchscreen_get_prop_u32(dev, "touchscreen-max-pressure", input_abs_get_max(input, axis), - &maximum) | - touchscreen_get_prop_u32(dev, - "touchscreen-fuzz-pressure", - input_abs_get_fuzz(input, axis), - &fuzz); + &maximum); + data_present |= touchscreen_get_prop_u32(dev, + "touchscreen-fuzz-pressure", + input_abs_get_fuzz(input, axis), + &fuzz); if (data_present) touchscreen_set_params(input, axis, 0, maximum, fuzz); diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index 692401e941a77446e73193cc4fc4b0b78230141e..7502fa84e2537decfa6531cc65d81be9fd554c19 100644 --- a/drivers/iommu/amd_iommu_init.c +++ b/drivers/iommu/amd_iommu_init.c @@ -21,6 +21,7 @@ #include #include #include +#include #include #include #include @@ -759,6 +760,7 @@ static int iommu_ga_log_enable(struct amd_iommu *iommu) status = readl(iommu->mmio_base + MMIO_STATUS_OFFSET); if (status & (MMIO_STATUS_GALOG_RUN_MASK)) break; + udelay(10); } if (i >= LOOP_TIMEOUT) diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c index 5dcc81b1df623a3e477bb914756884b832f723ea..f3b299b5c1c06a051317ba8557b16f51c1b9712e 100644 --- a/drivers/iommu/intel_irq_remapping.c +++ b/drivers/iommu/intel_irq_remapping.c @@ -570,9 +570,8 @@ static int intel_setup_irq_remapping(struct intel_iommu *iommu) fn, &intel_ir_domain_ops, iommu); if (!iommu->ir_domain) { - irq_domain_free_fwnode(fn); pr_err("IR%d: failed to allocate irqdomain\n", iommu->seq_id); - goto out_free_bitmap; + goto out_free_fwnode; } iommu->ir_msi_domain = arch_create_remap_msi_irq_domain(iommu->ir_domain, @@ -596,7 +595,7 @@ static int intel_setup_irq_remapping(struct intel_iommu *iommu) if (dmar_enable_qi(iommu)) { pr_err("Failed to enable queued invalidation\n"); - goto out_free_bitmap; + goto out_free_ir_domain; } } @@ -620,6 +619,14 @@ static int intel_setup_irq_remapping(struct intel_iommu *iommu) return 0; +out_free_ir_domain: + if (iommu->ir_msi_domain) + irq_domain_remove(iommu->ir_msi_domain); + iommu->ir_msi_domain = NULL; + irq_domain_remove(iommu->ir_domain); + iommu->ir_domain = NULL; +out_free_fwnode: + irq_domain_free_fwnode(fn); out_free_bitmap: bitmap_free(bitmap); out_free_pages: diff --git a/drivers/iommu/io-pgtable-arm-v7s.c b/drivers/iommu/io-pgtable-arm-v7s.c index 6c08e991c9b085c8fa15f9c8270c6842db74e78a..6376d5cdc42eb660f52de33c6fa9a5af9ce9f0cc 100644 --- a/drivers/iommu/io-pgtable-arm-v7s.c +++ b/drivers/iommu/io-pgtable-arm-v7s.c @@ -255,13 +255,17 @@ static void *__arm_v7s_alloc_table(int lvl, gfp_t gfp, __GFP_ZERO | ARM_V7S_TABLE_GFP_DMA, get_order(size)); else if (lvl == 2) table = kmem_cache_zalloc(data->l2_tables, gfp); + + if (!table) + return NULL; + phys = virt_to_phys(table); if (phys != (arm_v7s_iopte)phys) { /* Doesn't fit in PTE */ dev_err(dev, "Page table does not fit in PTE: %pa", &phys); goto out_free; } - if (table && !cfg->coherent_walk) { + if (!cfg->coherent_walk) { dma = dma_map_single(dev, table, size, DMA_TO_DEVICE); if (dma_mapping_error(dev, dma)) goto out_free; diff --git a/drivers/iommu/io-pgtable-arm.c b/drivers/iommu/io-pgtable-arm.c index 6ebfcc0f9acc7a1d480003c955b888af19e29474..a0949f087d5eb954d5ad03aabdb2013d817af2bb 100644 --- a/drivers/iommu/io-pgtable-arm.c +++ b/drivers/iommu/io-pgtable-arm.c @@ -348,11 +348,12 @@ static int arm_lpae_init_pte(struct arm_lpae_io_pgtable *data, static arm_lpae_iopte arm_lpae_install_table(arm_lpae_iopte *table, arm_lpae_iopte *ptep, arm_lpae_iopte curr, - struct io_pgtable_cfg *cfg) + struct arm_lpae_io_pgtable *data) { arm_lpae_iopte old, new; + struct io_pgtable_cfg *cfg = &data->iop.cfg; - new = __pa(table) | ARM_LPAE_PTE_TYPE_TABLE; + new = paddr_to_iopte(__pa(table), data) | ARM_LPAE_PTE_TYPE_TABLE; if (cfg->quirks & IO_PGTABLE_QUIRK_ARM_NS) new |= ARM_LPAE_PTE_NSTABLE; @@ -404,7 +405,7 @@ static int __arm_lpae_map(struct arm_lpae_io_pgtable *data, unsigned long iova, if (!cptep) return -ENOMEM; - pte = arm_lpae_install_table(cptep, ptep, 0, cfg); + pte = arm_lpae_install_table(cptep, ptep, 0, data); if (pte) __arm_lpae_free_pages(cptep, tblsz, cfg, cookie); } else if (!cfg->coherent_walk && !(pte & ARM_LPAE_PTE_SW_SYNC)) { @@ -575,7 +576,7 @@ static size_t arm_lpae_split_blk_unmap(struct arm_lpae_io_pgtable *data, __arm_lpae_init_pte(data, blk_paddr, pte, lvl, &tablep[i]); } - pte = arm_lpae_install_table(tablep, ptep, blk_pte, cfg); + pte = arm_lpae_install_table(tablep, ptep, blk_pte, data); if (pte != blk_pte) { __arm_lpae_free_pages(tablep, tablesz, cfg, cookie); /* diff --git a/drivers/iommu/iova.c b/drivers/iommu/iova.c index 7593ba3e76a3d8389676ef17f4e8cbd43e24b672..3674f695d9fc452688ac3b235aeecb2dcd3c1a08 100644 --- a/drivers/iommu/iova.c +++ b/drivers/iommu/iova.c @@ -65,8 +65,7 @@ static void free_iova_flush_queue(struct iova_domain *iovad) if (!has_iova_flush_queue(iovad)) return; - if (timer_pending(&iovad->fq_timer)) - del_timer(&iovad->fq_timer); + del_timer_sync(&iovad->fq_timer); fq_destroy_all_entries(iovad); diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c index c9bdc5221b82f9bf404c84d2930b4455cc3f4fe9..5849ac5a2ad3b49d3f7fcbcda724548fec02cc4a 100644 --- a/drivers/irqchip/irq-armada-370-xp.c +++ b/drivers/irqchip/irq-armada-370-xp.c @@ -232,16 +232,12 @@ static int armada_370_xp_msi_alloc(struct irq_domain *domain, unsigned int virq, int hwirq, i; mutex_lock(&msi_used_lock); + hwirq = bitmap_find_free_region(msi_used, PCI_MSI_DOORBELL_NR, + order_base_2(nr_irqs)); + mutex_unlock(&msi_used_lock); - hwirq = bitmap_find_next_zero_area(msi_used, PCI_MSI_DOORBELL_NR, - 0, nr_irqs, 0); - if (hwirq >= PCI_MSI_DOORBELL_NR) { - mutex_unlock(&msi_used_lock); + if (hwirq < 0) return -ENOSPC; - } - - bitmap_set(msi_used, hwirq, nr_irqs); - mutex_unlock(&msi_used_lock); for (i = 0; i < nr_irqs; i++) { irq_domain_set_info(domain, virq + i, hwirq + i, @@ -250,7 +246,7 @@ static int armada_370_xp_msi_alloc(struct irq_domain *domain, unsigned int virq, NULL, NULL); } - return hwirq; + return 0; } static void armada_370_xp_msi_free(struct irq_domain *domain, @@ -259,7 +255,7 @@ static void armada_370_xp_msi_free(struct irq_domain *domain, struct irq_data *d = irq_domain_get_irq_data(domain, virq); mutex_lock(&msi_used_lock); - bitmap_clear(msi_used, d->hwirq, nr_irqs); + bitmap_release_region(msi_used, d->hwirq, order_base_2(nr_irqs)); mutex_unlock(&msi_used_lock); } diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index 398c54387988a16774e4e220f861dd7ee8497bd3..fadd48882ef4c0ae0162f1713402f6f3f383b6ae 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -574,7 +574,7 @@ static struct its_collection *its_build_invall_cmd(struct its_node *its, its_fixup_cmd(cmd); - return NULL; + return desc->its_invall_cmd.col; } static struct its_vpe *its_build_vinvall_cmd(struct its_node *its, diff --git a/drivers/irqchip/irq-nvic.c b/drivers/irqchip/irq-nvic.c index a166d30deea267d84f6f7951f3cb0dd771eb2ea1..160b39b5cd108b0df057ba3ce52af5d4391395f3 100644 --- a/drivers/irqchip/irq-nvic.c +++ b/drivers/irqchip/irq-nvic.c @@ -26,7 +26,7 @@ #define NVIC_ISER 0x000 #define NVIC_ICER 0x080 -#define NVIC_IPR 0x300 +#define NVIC_IPR 0x400 #define NVIC_MAX_BANKS 16 /* diff --git a/drivers/isdn/mISDN/core.c b/drivers/isdn/mISDN/core.c index 55891e4204460c641a649327c10d41a5213f16a8..a41b4b264594121e45b338d151c59fd4937c16c4 100644 --- a/drivers/isdn/mISDN/core.c +++ b/drivers/isdn/mISDN/core.c @@ -381,7 +381,7 @@ mISDNInit(void) err = mISDN_inittimer(&debug); if (err) goto error2; - err = l1_init(&debug); + err = Isdnl1_Init(&debug); if (err) goto error3; err = Isdnl2_Init(&debug); @@ -395,7 +395,7 @@ mISDNInit(void) error5: Isdnl2_cleanup(); error4: - l1_cleanup(); + Isdnl1_cleanup(); error3: mISDN_timer_cleanup(); error2: @@ -408,7 +408,7 @@ static void mISDN_cleanup(void) { misdn_sock_cleanup(); Isdnl2_cleanup(); - l1_cleanup(); + Isdnl1_cleanup(); mISDN_timer_cleanup(); class_unregister(&mISDN_class); diff --git a/drivers/isdn/mISDN/core.h b/drivers/isdn/mISDN/core.h index 23b44d3033279b07a5fc721715e405e8f1cff11d..42599f49c189df0990e47dc043416d48cc1cab67 100644 --- a/drivers/isdn/mISDN/core.h +++ b/drivers/isdn/mISDN/core.h @@ -60,8 +60,8 @@ struct Bprotocol *get_Bprotocol4id(u_int); extern int mISDN_inittimer(u_int *); extern void mISDN_timer_cleanup(void); -extern int l1_init(u_int *); -extern void l1_cleanup(void); +extern int Isdnl1_Init(u_int *); +extern void Isdnl1_cleanup(void); extern int Isdnl2_Init(u_int *); extern void Isdnl2_cleanup(void); diff --git a/drivers/isdn/mISDN/layer1.c b/drivers/isdn/mISDN/layer1.c index 98a3bc6c17009485d9a6322982f48d3db24d36bf..7b31c25a550e3f9da3438e9c201dbdff6159c4bb 100644 --- a/drivers/isdn/mISDN/layer1.c +++ b/drivers/isdn/mISDN/layer1.c @@ -398,7 +398,7 @@ create_l1(struct dchannel *dch, dchannel_l1callback *dcb) { EXPORT_SYMBOL(create_l1); int -l1_init(u_int *deb) +Isdnl1_Init(u_int *deb) { debug = deb; l1fsm_s.state_count = L1S_STATE_COUNT; @@ -409,7 +409,7 @@ l1_init(u_int *deb) } void -l1_cleanup(void) +Isdnl1_cleanup(void) { mISDN_FsmFree(&l1fsm_s); } diff --git a/drivers/md/persistent-data/dm-btree-remove.c b/drivers/md/persistent-data/dm-btree-remove.c index 9e4d1212f4c16caefd33b51752b8bdeda0018423..63f2baed3c8a6e8d5f4d85abf2dd39e5951ea70a 100644 --- a/drivers/md/persistent-data/dm-btree-remove.c +++ b/drivers/md/persistent-data/dm-btree-remove.c @@ -423,9 +423,9 @@ static int rebalance_children(struct shadow_spine *s, memcpy(n, dm_block_data(child), dm_bm_block_size(dm_tm_get_bm(info->tm))); - dm_tm_unlock(info->tm, child); dm_tm_dec(info->tm, dm_block_location(child)); + dm_tm_unlock(info->tm, child); return 0; } diff --git a/drivers/md/persistent-data/dm-btree.c b/drivers/md/persistent-data/dm-btree.c index 8aae0624a2971e939fa79acd656f98035049460d..6383afb88f319b813d8df26082aafa9df29dd93c 100644 --- a/drivers/md/persistent-data/dm-btree.c +++ b/drivers/md/persistent-data/dm-btree.c @@ -83,14 +83,16 @@ void inc_children(struct dm_transaction_manager *tm, struct btree_node *n, } static int insert_at(size_t value_size, struct btree_node *node, unsigned index, - uint64_t key, void *value) - __dm_written_to_disk(value) + uint64_t key, void *value) + __dm_written_to_disk(value) { uint32_t nr_entries = le32_to_cpu(node->header.nr_entries); + uint32_t max_entries = le32_to_cpu(node->header.max_entries); __le64 key_le = cpu_to_le64(key); if (index > nr_entries || - index >= le32_to_cpu(node->header.max_entries)) { + index >= max_entries || + nr_entries >= max_entries) { DMERR("too many entries in btree node for insert"); __dm_unbless_for_disk(value); return -ENOMEM; diff --git a/drivers/md/persistent-data/dm-space-map-common.c b/drivers/md/persistent-data/dm-space-map-common.c index a213bf11738fbbb10448d09abfb8d532679f011e..85853ab6297171c755114929712322fc682170c3 100644 --- a/drivers/md/persistent-data/dm-space-map-common.c +++ b/drivers/md/persistent-data/dm-space-map-common.c @@ -281,6 +281,11 @@ int sm_ll_lookup_bitmap(struct ll_disk *ll, dm_block_t b, uint32_t *result) struct disk_index_entry ie_disk; struct dm_block *blk; + if (b >= ll->nr_blocks) { + DMERR_LIMIT("metadata block out of bounds"); + return -EINVAL; + } + b = do_div(index, ll->entries_per_block); r = ll->load_ie(ll, index, &ie_disk); if (r < 0) diff --git a/drivers/media/cec/cec-adap.c b/drivers/media/cec/cec-adap.c index 06383b26712b66bc667b3d2e5ff9a4dd4598b258..56857ac0a0be2293e4b662a31c69752bf8869244 100644 --- a/drivers/media/cec/cec-adap.c +++ b/drivers/media/cec/cec-adap.c @@ -1191,6 +1191,7 @@ void cec_received_msg_ts(struct cec_adapter *adap, if (abort) dst->rx_status |= CEC_RX_STATUS_FEATURE_ABORT; msg->flags = dst->flags; + msg->sequence = dst->sequence; /* Remove it from the wait_queue */ list_del_init(&data->list); diff --git a/drivers/media/common/saa7146/saa7146_fops.c b/drivers/media/common/saa7146/saa7146_fops.c index aabb830e746891a489d7f78dba39abb00b6e3fcb..4b332ea9861684cc5c57cb5aad3e1716df5355c0 100644 --- a/drivers/media/common/saa7146/saa7146_fops.c +++ b/drivers/media/common/saa7146/saa7146_fops.c @@ -525,7 +525,7 @@ int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv) ERR("out of memory. aborting.\n"); kfree(vv); v4l2_ctrl_handler_free(hdl); - return -1; + return -ENOMEM; } saa7146_video_uops.init(dev,vv); diff --git a/drivers/media/common/videobuf2/videobuf2-dma-contig.c b/drivers/media/common/videobuf2/videobuf2-dma-contig.c index 44cd0e530bbd3030b18dcf729406bad1a53b5a7e..093ebe6f279f70d0440fe144ac6b74fb9f2cb9fd 100644 --- a/drivers/media/common/videobuf2/videobuf2-dma-contig.c +++ b/drivers/media/common/videobuf2/videobuf2-dma-contig.c @@ -154,7 +154,7 @@ static void *vb2_dc_alloc(struct device *dev, unsigned long attrs, buf->cookie = dma_alloc_attrs(dev, size, &buf->dma_addr, GFP_KERNEL | gfp_flags, buf->attrs); if (!buf->cookie) { - dev_err(dev, "dma_alloc_coherent of size %ld failed\n", size); + dev_err(dev, "dma_alloc_coherent of size %lu failed\n", size); kfree(buf); return ERR_PTR(-ENOMEM); } @@ -200,9 +200,9 @@ static int vb2_dc_mmap(void *buf_priv, struct vm_area_struct *vma) vma->vm_ops->open(vma); - pr_debug("%s: mapped dma addr 0x%08lx at 0x%08lx, size %ld\n", - __func__, (unsigned long)buf->dma_addr, vma->vm_start, - buf->size); + pr_debug("%s: mapped dma addr 0x%08lx at 0x%08lx, size %lu\n", + __func__, (unsigned long)buf->dma_addr, vma->vm_start, + buf->size); return 0; } diff --git a/drivers/media/dvb-core/dmxdev.c b/drivers/media/dvb-core/dmxdev.c index f14a872d126872c3fc695cbd3f8460c32d317b14..e58cb8434dafeea3323ea892028be6ffde3ca155 100644 --- a/drivers/media/dvb-core/dmxdev.c +++ b/drivers/media/dvb-core/dmxdev.c @@ -1413,7 +1413,7 @@ static const struct dvb_device dvbdev_dvr = { }; int dvb_dmxdev_init(struct dmxdev *dmxdev, struct dvb_adapter *dvb_adapter) { - int i; + int i, ret; if (dmxdev->demux->open(dmxdev->demux) < 0) return -EUSERS; @@ -1432,14 +1432,26 @@ int dvb_dmxdev_init(struct dmxdev *dmxdev, struct dvb_adapter *dvb_adapter) DMXDEV_STATE_FREE); } - dvb_register_device(dvb_adapter, &dmxdev->dvbdev, &dvbdev_demux, dmxdev, + ret = dvb_register_device(dvb_adapter, &dmxdev->dvbdev, &dvbdev_demux, dmxdev, DVB_DEVICE_DEMUX, dmxdev->filternum); - dvb_register_device(dvb_adapter, &dmxdev->dvr_dvbdev, &dvbdev_dvr, + if (ret < 0) + goto err_register_dvbdev; + + ret = dvb_register_device(dvb_adapter, &dmxdev->dvr_dvbdev, &dvbdev_dvr, dmxdev, DVB_DEVICE_DVR, dmxdev->filternum); + if (ret < 0) + goto err_register_dvr_dvbdev; dvb_ringbuffer_init(&dmxdev->dvr_buffer, NULL, 8192); return 0; + +err_register_dvr_dvbdev: + dvb_unregister_device(dmxdev->dvbdev); +err_register_dvbdev: + vfree(dmxdev->filter); + dmxdev->filter = NULL; + return ret; } EXPORT_SYMBOL(dvb_dmxdev_init); diff --git a/drivers/media/dvb-frontends/dib8000.c b/drivers/media/dvb-frontends/dib8000.c index bb02354a48b81b4c6c6ff3c23558eb1df31afc34..d67f2dd997d06188bba43fb266829ffd298e8a82 100644 --- a/drivers/media/dvb-frontends/dib8000.c +++ b/drivers/media/dvb-frontends/dib8000.c @@ -4473,8 +4473,10 @@ static struct dvb_frontend *dib8000_init(struct i2c_adapter *i2c_adap, u8 i2c_ad state->timf_default = cfg->pll->timf; - if (dib8000_identify(&state->i2c) == 0) + if (dib8000_identify(&state->i2c) == 0) { + kfree(fe); goto error; + } dibx000_init_i2c_master(&state->i2c_master, DIB8000, state->i2c.adap, state->i2c.addr); diff --git a/drivers/media/pci/b2c2/flexcop-pci.c b/drivers/media/pci/b2c2/flexcop-pci.c index a9d9520a94c6d87437aa6e839099e569b28f91c8..c9e6c7d6637682cbf53c651a604b79cd9e0824df 100644 --- a/drivers/media/pci/b2c2/flexcop-pci.c +++ b/drivers/media/pci/b2c2/flexcop-pci.c @@ -185,6 +185,8 @@ static irqreturn_t flexcop_pci_isr(int irq, void *dev_id) dma_addr_t cur_addr = fc->read_ibi_reg(fc,dma1_008).dma_0x8.dma_cur_addr << 2; u32 cur_pos = cur_addr - fc_pci->dma[0].dma_addr0; + if (cur_pos > fc_pci->dma[0].size * 2) + goto error; deb_irq("%u irq: %08x cur_addr: %llx: cur_pos: %08x, last_cur_pos: %08x ", jiffies_to_usecs(jiffies - fc_pci->last_irq), @@ -225,6 +227,7 @@ static irqreturn_t flexcop_pci_isr(int irq, void *dev_id) ret = IRQ_NONE; } +error: spin_unlock_irqrestore(&fc_pci->irq_lock, flags); return ret; } diff --git a/drivers/media/pci/saa7146/hexium_gemini.c b/drivers/media/pci/saa7146/hexium_gemini.c index f962269306707179b992ee033d33e223c19c281a..86d4e2abed82acf83217f51abc0ee2bcea9f7db8 100644 --- a/drivers/media/pci/saa7146/hexium_gemini.c +++ b/drivers/media/pci/saa7146/hexium_gemini.c @@ -284,7 +284,12 @@ static int hexium_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_d hexium_set_input(hexium, 0); hexium->cur_input = 0; - saa7146_vv_init(dev, &vv_data); + ret = saa7146_vv_init(dev, &vv_data); + if (ret) { + i2c_del_adapter(&hexium->i2c_adapter); + kfree(hexium); + return ret; + } vv_data.vid_ops.vidioc_enum_input = vidioc_enum_input; vv_data.vid_ops.vidioc_g_input = vidioc_g_input; diff --git a/drivers/media/pci/saa7146/hexium_orion.c b/drivers/media/pci/saa7146/hexium_orion.c index bf5e55348f15997a85f015debd40e4b743504ec6..31388597386aa8b8ca4ec97f318b0b74db5f097a 100644 --- a/drivers/media/pci/saa7146/hexium_orion.c +++ b/drivers/media/pci/saa7146/hexium_orion.c @@ -355,10 +355,16 @@ static struct saa7146_ext_vv vv_data; static int hexium_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_data *info) { struct hexium *hexium = (struct hexium *) dev->ext_priv; + int ret; DEB_EE("\n"); - saa7146_vv_init(dev, &vv_data); + ret = saa7146_vv_init(dev, &vv_data); + if (ret) { + pr_err("Error in saa7146_vv_init()\n"); + return ret; + } + vv_data.vid_ops.vidioc_enum_input = vidioc_enum_input; vv_data.vid_ops.vidioc_g_input = vidioc_g_input; vv_data.vid_ops.vidioc_s_input = vidioc_s_input; diff --git a/drivers/media/pci/saa7146/mxb.c b/drivers/media/pci/saa7146/mxb.c index 952ea250feda0dc09e614cf472f2595926ab5db8..58fe4c1619eeb26cb0828959101a10737ba88708 100644 --- a/drivers/media/pci/saa7146/mxb.c +++ b/drivers/media/pci/saa7146/mxb.c @@ -683,10 +683,16 @@ static struct saa7146_ext_vv vv_data; static int mxb_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_data *info) { struct mxb *mxb; + int ret; DEB_EE("dev:%p\n", dev); - saa7146_vv_init(dev, &vv_data); + ret = saa7146_vv_init(dev, &vv_data); + if (ret) { + ERR("Error in saa7146_vv_init()"); + return ret; + } + if (mxb_probe(dev)) { saa7146_vv_release(dev); return -1; diff --git a/drivers/media/platform/aspeed-video.c b/drivers/media/platform/aspeed-video.c index 6dde49d9aa4c2e6619bad57e7f82f72a0f5c3f03..1e0867016bf37b3f30702f6cb1cfe048a2cb6799 100644 --- a/drivers/media/platform/aspeed-video.c +++ b/drivers/media/platform/aspeed-video.c @@ -477,6 +477,10 @@ static void aspeed_video_enable_mode_detect(struct aspeed_video *video) aspeed_video_update(video, VE_INTERRUPT_CTRL, 0, VE_INTERRUPT_MODE_DETECT); + /* Disable mode detect in order to re-trigger */ + aspeed_video_update(video, VE_SEQ_CTRL, + VE_SEQ_CTRL_TRIG_MODE_DET, 0); + /* Trigger mode detect */ aspeed_video_update(video, VE_SEQ_CTRL, 0, VE_SEQ_CTRL_TRIG_MODE_DET); } @@ -529,6 +533,8 @@ static void aspeed_video_irq_res_change(struct aspeed_video *video, ulong delay) set_bit(VIDEO_RES_CHANGE, &video->flags); clear_bit(VIDEO_FRAME_INPRG, &video->flags); + video->v4l2_input_status = V4L2_IN_ST_NO_SIGNAL; + aspeed_video_off(video); aspeed_video_bufs_done(video, VB2_BUF_STATE_ERROR); @@ -764,10 +770,6 @@ static void aspeed_video_get_resolution(struct aspeed_video *video) return; } - /* Disable mode detect in order to re-trigger */ - aspeed_video_update(video, VE_SEQ_CTRL, - VE_SEQ_CTRL_TRIG_MODE_DET, 0); - aspeed_video_check_and_set_polarity(video); aspeed_video_enable_mode_detect(video); @@ -1315,7 +1317,6 @@ static void aspeed_video_resolution_work(struct work_struct *work) struct delayed_work *dwork = to_delayed_work(work); struct aspeed_video *video = container_of(dwork, struct aspeed_video, res_work); - u32 input_status = video->v4l2_input_status; aspeed_video_on(video); @@ -1328,8 +1329,7 @@ static void aspeed_video_resolution_work(struct work_struct *work) aspeed_video_get_resolution(video); if (video->detected_timings.width != video->active_timings.width || - video->detected_timings.height != video->active_timings.height || - input_status != video->v4l2_input_status) { + video->detected_timings.height != video->active_timings.height) { static const struct v4l2_event ev = { .type = V4L2_EVENT_SOURCE_CHANGE, .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION, diff --git a/drivers/media/platform/coda/imx-vdoa.c b/drivers/media/platform/coda/imx-vdoa.c index 8bc0d83718193f3028693cd566ab69133a3f274d..dd6e2e320264ef3eae9b70ea25691b6fb5c0396f 100644 --- a/drivers/media/platform/coda/imx-vdoa.c +++ b/drivers/media/platform/coda/imx-vdoa.c @@ -287,7 +287,11 @@ static int vdoa_probe(struct platform_device *pdev) struct resource *res; int ret; - dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32)); + ret = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32)); + if (ret) { + dev_err(&pdev->dev, "DMA enable failed\n"); + return ret; + } vdoa = devm_kzalloc(&pdev->dev, sizeof(*vdoa), GFP_KERNEL); if (!vdoa) diff --git a/drivers/media/platform/imx-pxp.c b/drivers/media/platform/imx-pxp.c index 38d9423223025382d0e529dc82cc3229a8597765..3c36cefddec7cf79ae9b0848dfa67308c0936034 100644 --- a/drivers/media/platform/imx-pxp.c +++ b/drivers/media/platform/imx-pxp.c @@ -1664,6 +1664,8 @@ static int pxp_probe(struct platform_device *pdev) if (irq < 0) return irq; + spin_lock_init(&dev->irqlock); + ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, pxp_irq_handler, IRQF_ONESHOT, dev_name(&pdev->dev), dev); if (ret < 0) { @@ -1681,8 +1683,6 @@ static int pxp_probe(struct platform_device *pdev) goto err_clk; } - spin_lock_init(&dev->irqlock); - ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev); if (ret) goto err_clk; diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c index 1d82aa2b6017c00ea5168fdf2972fd8d686cced4..dea0ee2cb724584c3b813a2c652bc0605dbebc5d 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c @@ -209,11 +209,11 @@ static int fops_vcodec_release(struct file *file) mtk_v4l2_debug(1, "[%d] encoder", ctx->id); mutex_lock(&dev->dev_mutex); + v4l2_m2m_ctx_release(ctx->m2m_ctx); mtk_vcodec_enc_release(ctx); v4l2_fh_del(&ctx->fh); v4l2_fh_exit(&ctx->fh); v4l2_ctrl_handler_free(&ctx->ctrl_hdl); - v4l2_m2m_ctx_release(ctx->m2m_ctx); list_del_init(&ctx->list); kfree(ctx); diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c index bbc430a003443bfd48490671d2f0218646a18c2c..7b52d3e5d3f8984e4d8f52ac337cdbe38c6b0633 100644 --- a/drivers/media/platform/qcom/venus/core.c +++ b/drivers/media/platform/qcom/venus/core.c @@ -289,11 +289,11 @@ static int venus_probe(struct platform_device *pdev) ret = venus_firmware_init(core); if (ret) - goto err_runtime_disable; + goto err_of_depopulate; ret = venus_boot(core); if (ret) - goto err_runtime_disable; + goto err_firmware_deinit; ret = hfi_core_resume(core, true); if (ret) @@ -329,6 +329,10 @@ static int venus_probe(struct platform_device *pdev) hfi_core_deinit(core, false); err_venus_shutdown: venus_shutdown(core); +err_firmware_deinit: + venus_firmware_deinit(core); +err_of_depopulate: + of_platform_depopulate(dev); err_runtime_disable: pm_runtime_put_noidle(dev); pm_runtime_set_suspended(dev); diff --git a/drivers/media/platform/rcar-vin/rcar-csi2.c b/drivers/media/platform/rcar-vin/rcar-csi2.c index e01f22bf826d4025ab85eff7ac256a742fc0157f..db3d5d463f53e1b95db3d87bfd37a174893f94ca 100644 --- a/drivers/media/platform/rcar-vin/rcar-csi2.c +++ b/drivers/media/platform/rcar-vin/rcar-csi2.c @@ -430,16 +430,23 @@ static int rcsi2_wait_phy_start(struct rcar_csi2 *priv) static int rcsi2_set_phypll(struct rcar_csi2 *priv, unsigned int mbps) { const struct rcsi2_mbps_reg *hsfreq; + const struct rcsi2_mbps_reg *hsfreq_prev = NULL; - for (hsfreq = priv->info->hsfreqrange; hsfreq->mbps != 0; hsfreq++) + for (hsfreq = priv->info->hsfreqrange; hsfreq->mbps != 0; hsfreq++) { if (hsfreq->mbps >= mbps) break; + hsfreq_prev = hsfreq; + } if (!hsfreq->mbps) { dev_err(priv->dev, "Unsupported PHY speed (%u Mbps)", mbps); return -ERANGE; } + if (hsfreq_prev && + ((mbps - hsfreq_prev->mbps) <= (hsfreq->mbps - mbps))) + hsfreq = hsfreq_prev; + rcsi2_write(priv, PHYPLL_REG, PHYPLL_HSFREQRANGE(hsfreq->reg)); return 0; @@ -904,10 +911,17 @@ static int rcsi2_phtw_write_mbps(struct rcar_csi2 *priv, unsigned int mbps, const struct rcsi2_mbps_reg *values, u16 code) { const struct rcsi2_mbps_reg *value; + const struct rcsi2_mbps_reg *prev_value = NULL; - for (value = values; value->mbps; value++) + for (value = values; value->mbps; value++) { if (value->mbps >= mbps) break; + prev_value = value; + } + + if (prev_value && + ((mbps - prev_value->mbps) <= (value->mbps - mbps))) + value = prev_value; if (!value->mbps) { dev_err(priv->dev, "Unsupported PHY speed (%u Mbps)", mbps); diff --git a/drivers/media/radio/si470x/radio-si470x-i2c.c b/drivers/media/radio/si470x/radio-si470x-i2c.c index a972c0705ac79c9d90aa051610766d6b7becd872..76d39e2e877068e0a8fbe65c42f8de585cc95d9f 100644 --- a/drivers/media/radio/si470x/radio-si470x-i2c.c +++ b/drivers/media/radio/si470x/radio-si470x-i2c.c @@ -368,7 +368,7 @@ static int si470x_i2c_probe(struct i2c_client *client) if (radio->hdl.error) { retval = radio->hdl.error; dev_err(&client->dev, "couldn't register control\n"); - goto err_dev; + goto err_all; } /* video device initialization */ @@ -463,7 +463,6 @@ static int si470x_i2c_probe(struct i2c_client *client) return 0; err_all: v4l2_ctrl_handler_free(&radio->hdl); -err_dev: v4l2_device_unregister(&radio->v4l2_dev); err_initial: return retval; diff --git a/drivers/media/rc/igorplugusb.c b/drivers/media/rc/igorplugusb.c index b981f7290c1b20577ea2183c11d40769dee0c6c8..1e8276040ea5babd28e49b78207c7d315f1cdf61 100644 --- a/drivers/media/rc/igorplugusb.c +++ b/drivers/media/rc/igorplugusb.c @@ -64,9 +64,11 @@ static void igorplugusb_irdata(struct igorplugusb *ir, unsigned len) if (start >= len) { dev_err(ir->dev, "receive overflow invalid: %u", overflow); } else { - if (overflow > 0) + if (overflow > 0) { dev_warn(ir->dev, "receive overflow, at least %u lost", overflow); + ir_raw_event_reset(ir->rc); + } do { rawir.duration = ir->buf_in[i] * 85333; diff --git a/drivers/media/rc/mceusb.c b/drivers/media/rc/mceusb.c index 31e56f4f3479144d27f44bfc63cd712c0cca99c0..cfdd712e2adc3bdbab7b999de669b1b35c5142b7 100644 --- a/drivers/media/rc/mceusb.c +++ b/drivers/media/rc/mceusb.c @@ -1430,7 +1430,7 @@ static void mceusb_gen1_init(struct mceusb_dev *ir) */ ret = usb_control_msg(ir->usbdev, usb_rcvctrlpipe(ir->usbdev, 0), USB_REQ_SET_ADDRESS, USB_TYPE_VENDOR, 0, 0, - data, USB_CTRL_MSG_SZ, HZ * 3); + data, USB_CTRL_MSG_SZ, 3000); dev_dbg(dev, "set address - ret = %d", ret); dev_dbg(dev, "set address - data[0] = %d, data[1] = %d", data[0], data[1]); @@ -1438,20 +1438,20 @@ static void mceusb_gen1_init(struct mceusb_dev *ir) /* set feature: bit rate 38400 bps */ ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0), USB_REQ_SET_FEATURE, USB_TYPE_VENDOR, - 0xc04e, 0x0000, NULL, 0, HZ * 3); + 0xc04e, 0x0000, NULL, 0, 3000); dev_dbg(dev, "set feature - ret = %d", ret); /* bRequest 4: set char length to 8 bits */ ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0), 4, USB_TYPE_VENDOR, - 0x0808, 0x0000, NULL, 0, HZ * 3); + 0x0808, 0x0000, NULL, 0, 3000); dev_dbg(dev, "set char length - retB = %d", ret); /* bRequest 2: set handshaking to use DTR/DSR */ ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0), 2, USB_TYPE_VENDOR, - 0x0000, 0x0100, NULL, 0, HZ * 3); + 0x0000, 0x0100, NULL, 0, 3000); dev_dbg(dev, "set handshake - retC = %d", ret); /* device resume */ diff --git a/drivers/media/rc/redrat3.c b/drivers/media/rc/redrat3.c index aad9526f3754d4a94ea46522d0055b6a8596b886..c392276610478a3915fc8eb1e8e8e64f273b4845 100644 --- a/drivers/media/rc/redrat3.c +++ b/drivers/media/rc/redrat3.c @@ -405,7 +405,7 @@ static int redrat3_send_cmd(int cmd, struct redrat3_dev *rr3) udev = rr3->udev; res = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), cmd, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, - 0x0000, 0x0000, data, sizeof(u8), HZ * 10); + 0x0000, 0x0000, data, sizeof(u8), 10000); if (res < 0) { dev_err(rr3->dev, "%s: Error sending rr3 cmd res %d, data %d", @@ -481,7 +481,7 @@ static u32 redrat3_get_timeout(struct redrat3_dev *rr3) pipe = usb_rcvctrlpipe(rr3->udev, 0); ret = usb_control_msg(rr3->udev, pipe, RR3_GET_IR_PARAM, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, - RR3_IR_IO_SIG_TIMEOUT, 0, tmp, len, HZ * 5); + RR3_IR_IO_SIG_TIMEOUT, 0, tmp, len, 5000); if (ret != len) dev_warn(rr3->dev, "Failed to read timeout from hardware\n"); else { @@ -511,7 +511,7 @@ static int redrat3_set_timeout(struct rc_dev *rc_dev, unsigned int timeoutns) ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), RR3_SET_IR_PARAM, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT, RR3_IR_IO_SIG_TIMEOUT, 0, timeout, sizeof(*timeout), - HZ * 25); + 25000); dev_dbg(dev, "set ir parm timeout %d ret 0x%02x\n", be32_to_cpu(*timeout), ret); @@ -543,32 +543,32 @@ static void redrat3_reset(struct redrat3_dev *rr3) *val = 0x01; rc = usb_control_msg(udev, rxpipe, RR3_RESET, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, - RR3_CPUCS_REG_ADDR, 0, val, len, HZ * 25); + RR3_CPUCS_REG_ADDR, 0, val, len, 25000); dev_dbg(dev, "reset returned 0x%02x\n", rc); *val = length_fuzz; rc = usb_control_msg(udev, txpipe, RR3_SET_IR_PARAM, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT, - RR3_IR_IO_LENGTH_FUZZ, 0, val, len, HZ * 25); + RR3_IR_IO_LENGTH_FUZZ, 0, val, len, 25000); dev_dbg(dev, "set ir parm len fuzz %d rc 0x%02x\n", *val, rc); *val = (65536 - (minimum_pause * 2000)) / 256; rc = usb_control_msg(udev, txpipe, RR3_SET_IR_PARAM, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT, - RR3_IR_IO_MIN_PAUSE, 0, val, len, HZ * 25); + RR3_IR_IO_MIN_PAUSE, 0, val, len, 25000); dev_dbg(dev, "set ir parm min pause %d rc 0x%02x\n", *val, rc); *val = periods_measure_carrier; rc = usb_control_msg(udev, txpipe, RR3_SET_IR_PARAM, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT, - RR3_IR_IO_PERIODS_MF, 0, val, len, HZ * 25); + RR3_IR_IO_PERIODS_MF, 0, val, len, 25000); dev_dbg(dev, "set ir parm periods measure carrier %d rc 0x%02x", *val, rc); *val = RR3_DRIVER_MAXLENS; rc = usb_control_msg(udev, txpipe, RR3_SET_IR_PARAM, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT, - RR3_IR_IO_MAX_LENGTHS, 0, val, len, HZ * 25); + RR3_IR_IO_MAX_LENGTHS, 0, val, len, 25000); dev_dbg(dev, "set ir parm max lens %d rc 0x%02x\n", *val, rc); kfree(val); @@ -586,7 +586,7 @@ static void redrat3_get_firmware_rev(struct redrat3_dev *rr3) rc = usb_control_msg(rr3->udev, usb_rcvctrlpipe(rr3->udev, 0), RR3_FW_VERSION, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, - 0, 0, buffer, RR3_FW_VERSION_LEN, HZ * 5); + 0, 0, buffer, RR3_FW_VERSION_LEN, 5000); if (rc >= 0) dev_info(rr3->dev, "Firmware rev: %s", buffer); @@ -826,14 +826,14 @@ static int redrat3_transmit_ir(struct rc_dev *rcdev, unsigned *txbuf, pipe = usb_sndbulkpipe(rr3->udev, rr3->ep_out->bEndpointAddress); ret = usb_bulk_msg(rr3->udev, pipe, irdata, - sendbuf_len, &ret_len, 10 * HZ); + sendbuf_len, &ret_len, 10000); dev_dbg(dev, "sent %d bytes, (ret %d)\n", ret_len, ret); /* now tell the hardware to transmit what we sent it */ pipe = usb_rcvctrlpipe(rr3->udev, 0); ret = usb_control_msg(rr3->udev, pipe, RR3_TX_SEND_SIGNAL, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, - 0, 0, irdata, 2, HZ * 10); + 0, 0, irdata, 2, 10000); if (ret < 0) dev_err(dev, "Error: control msg send failed, rc %d\n", ret); diff --git a/drivers/media/tuners/msi001.c b/drivers/media/tuners/msi001.c index 78e6fd600d8ef77ec60fd1e55aa96feaaf90827f..44247049a31903f5cbb9159d9be8ae934d5fb9ae 100644 --- a/drivers/media/tuners/msi001.c +++ b/drivers/media/tuners/msi001.c @@ -442,6 +442,13 @@ static int msi001_probe(struct spi_device *spi) V4L2_CID_RF_TUNER_BANDWIDTH_AUTO, 0, 1, 1, 1); dev->bandwidth = v4l2_ctrl_new_std(&dev->hdl, &msi001_ctrl_ops, V4L2_CID_RF_TUNER_BANDWIDTH, 200000, 8000000, 1, 200000); + if (dev->hdl.error) { + ret = dev->hdl.error; + dev_err(&spi->dev, "Could not initialize controls\n"); + /* control init failed, free handler */ + goto err_ctrl_handler_free; + } + v4l2_ctrl_auto_cluster(2, &dev->bandwidth_auto, 0, false); dev->lna_gain = v4l2_ctrl_new_std(&dev->hdl, &msi001_ctrl_ops, V4L2_CID_RF_TUNER_LNA_GAIN, 0, 1, 1, 1); diff --git a/drivers/media/tuners/si2157.c b/drivers/media/tuners/si2157.c index a39e1966816bfb98b70e0a53fbdc04c650419584..8db9f0eb98b52902b49cb92af5104c865b1c1e82 100644 --- a/drivers/media/tuners/si2157.c +++ b/drivers/media/tuners/si2157.c @@ -80,7 +80,7 @@ static int si2157_init(struct dvb_frontend *fe) dev_dbg(&client->dev, "\n"); /* Try to get Xtal trim property, to verify tuner still running */ - memcpy(cmd.args, "\x15\x00\x04\x02", 4); + memcpy(cmd.args, "\x15\x00\x02\x04", 4); cmd.wlen = 4; cmd.rlen = 4; ret = si2157_cmd_execute(client, &cmd); diff --git a/drivers/media/usb/b2c2/flexcop-usb.c b/drivers/media/usb/b2c2/flexcop-usb.c index 198ddfb8d2b18e1fa12b22afdae24add748032b3..e51338d5eac0c0e44850ed0f7989de728a3a1f8f 100644 --- a/drivers/media/usb/b2c2/flexcop-usb.c +++ b/drivers/media/usb/b2c2/flexcop-usb.c @@ -87,7 +87,7 @@ static int flexcop_usb_readwrite_dw(struct flexcop_device *fc, u16 wRegOffsPCI, 0, fc_usb->data, sizeof(u32), - B2C2_WAIT_FOR_OPERATION_RDW * HZ); + B2C2_WAIT_FOR_OPERATION_RDW); if (ret != sizeof(u32)) { err("error while %s dword from %d (%d).", read ? "reading" : @@ -155,7 +155,7 @@ static int flexcop_usb_v8_memory_req(struct flexcop_usb *fc_usb, wIndex, fc_usb->data, buflen, - nWaitTime * HZ); + nWaitTime); if (ret != buflen) ret = -EIO; @@ -249,13 +249,13 @@ static int flexcop_usb_i2c_req(struct flexcop_i2c_adapter *i2c, /* DKT 020208 - add this to support special case of DiSEqC */ case USB_FUNC_I2C_CHECKWRITE: pipe = B2C2_USB_CTRL_PIPE_OUT; - nWaitTime = 2; + nWaitTime = 2000; request_type |= USB_DIR_OUT; break; case USB_FUNC_I2C_READ: case USB_FUNC_I2C_REPEATREAD: pipe = B2C2_USB_CTRL_PIPE_IN; - nWaitTime = 2; + nWaitTime = 2000; request_type |= USB_DIR_IN; break; default: @@ -282,7 +282,7 @@ static int flexcop_usb_i2c_req(struct flexcop_i2c_adapter *i2c, wIndex, fc_usb->data, buflen, - nWaitTime * HZ); + nWaitTime); if (ret != buflen) ret = -EIO; diff --git a/drivers/media/usb/b2c2/flexcop-usb.h b/drivers/media/usb/b2c2/flexcop-usb.h index e86faa0e06ca649b03daf41f848121a756e71111..3dfd25fa4750fb490e11a7ec34f5f17521f8163f 100644 --- a/drivers/media/usb/b2c2/flexcop-usb.h +++ b/drivers/media/usb/b2c2/flexcop-usb.h @@ -91,13 +91,13 @@ typedef enum { UTILITY_SRAM_TESTVERIFY = 0x16, } flexcop_usb_utility_function_t; -#define B2C2_WAIT_FOR_OPERATION_RW (1*HZ) -#define B2C2_WAIT_FOR_OPERATION_RDW (3*HZ) -#define B2C2_WAIT_FOR_OPERATION_WDW (1*HZ) +#define B2C2_WAIT_FOR_OPERATION_RW 1000 +#define B2C2_WAIT_FOR_OPERATION_RDW 3000 +#define B2C2_WAIT_FOR_OPERATION_WDW 1000 -#define B2C2_WAIT_FOR_OPERATION_V8READ (3*HZ) -#define B2C2_WAIT_FOR_OPERATION_V8WRITE (3*HZ) -#define B2C2_WAIT_FOR_OPERATION_V8FLASH (3*HZ) +#define B2C2_WAIT_FOR_OPERATION_V8READ 3000 +#define B2C2_WAIT_FOR_OPERATION_V8WRITE 3000 +#define B2C2_WAIT_FOR_OPERATION_V8FLASH 3000 typedef enum { V8_MEMORY_PAGE_DVB_CI = 0x20, diff --git a/drivers/media/usb/cpia2/cpia2_usb.c b/drivers/media/usb/cpia2/cpia2_usb.c index 76aac06f9fb8e2cb5b85ada5a77be10900e37dfc..cba03b286473858851310c678f047ffc772f6e8f 100644 --- a/drivers/media/usb/cpia2/cpia2_usb.c +++ b/drivers/media/usb/cpia2/cpia2_usb.c @@ -550,7 +550,7 @@ static int write_packet(struct usb_device *udev, 0, /* index */ buf, /* buffer */ size, - HZ); + 1000); kfree(buf); return ret; @@ -582,7 +582,7 @@ static int read_packet(struct usb_device *udev, 0, /* index */ buf, /* buffer */ size, - HZ); + 1000); if (ret >= 0) memcpy(registers, buf, size); diff --git a/drivers/media/usb/dvb-usb-v2/mxl111sf.c b/drivers/media/usb/dvb-usb-v2/mxl111sf.c index 55b4ae7037a4e554ce87c0eab776e9ebc9c90af8..5fbce81b64c77dad415105d957cd85a0d20a928c 100644 --- a/drivers/media/usb/dvb-usb-v2/mxl111sf.c +++ b/drivers/media/usb/dvb-usb-v2/mxl111sf.c @@ -931,8 +931,6 @@ static int mxl111sf_init(struct dvb_usb_device *d) .len = sizeof(eeprom), .buf = eeprom }, }; - mutex_init(&state->msg_lock); - ret = get_chip_info(state); if (mxl_fail(ret)) pr_err("failed to get chip info during probe"); @@ -1074,6 +1072,14 @@ static int mxl111sf_get_stream_config_dvbt(struct dvb_frontend *fe, return 0; } +static int mxl111sf_probe(struct dvb_usb_device *dev) +{ + struct mxl111sf_state *state = d_to_priv(dev); + + mutex_init(&state->msg_lock); + return 0; +} + static struct dvb_usb_device_properties mxl111sf_props_dvbt = { .driver_name = KBUILD_MODNAME, .owner = THIS_MODULE, @@ -1083,6 +1089,7 @@ static struct dvb_usb_device_properties mxl111sf_props_dvbt = { .generic_bulk_ctrl_endpoint = 0x02, .generic_bulk_ctrl_endpoint_response = 0x81, + .probe = mxl111sf_probe, .i2c_algo = &mxl111sf_i2c_algo, .frontend_attach = mxl111sf_frontend_attach_dvbt, .tuner_attach = mxl111sf_attach_tuner, @@ -1124,6 +1131,7 @@ static struct dvb_usb_device_properties mxl111sf_props_atsc = { .generic_bulk_ctrl_endpoint = 0x02, .generic_bulk_ctrl_endpoint_response = 0x81, + .probe = mxl111sf_probe, .i2c_algo = &mxl111sf_i2c_algo, .frontend_attach = mxl111sf_frontend_attach_atsc, .tuner_attach = mxl111sf_attach_tuner, @@ -1165,6 +1173,7 @@ static struct dvb_usb_device_properties mxl111sf_props_mh = { .generic_bulk_ctrl_endpoint = 0x02, .generic_bulk_ctrl_endpoint_response = 0x81, + .probe = mxl111sf_probe, .i2c_algo = &mxl111sf_i2c_algo, .frontend_attach = mxl111sf_frontend_attach_mh, .tuner_attach = mxl111sf_attach_tuner, @@ -1233,6 +1242,7 @@ static struct dvb_usb_device_properties mxl111sf_props_atsc_mh = { .generic_bulk_ctrl_endpoint = 0x02, .generic_bulk_ctrl_endpoint_response = 0x81, + .probe = mxl111sf_probe, .i2c_algo = &mxl111sf_i2c_algo, .frontend_attach = mxl111sf_frontend_attach_atsc_mh, .tuner_attach = mxl111sf_attach_tuner, @@ -1311,6 +1321,7 @@ static struct dvb_usb_device_properties mxl111sf_props_mercury = { .generic_bulk_ctrl_endpoint = 0x02, .generic_bulk_ctrl_endpoint_response = 0x81, + .probe = mxl111sf_probe, .i2c_algo = &mxl111sf_i2c_algo, .frontend_attach = mxl111sf_frontend_attach_mercury, .tuner_attach = mxl111sf_attach_tuner, @@ -1381,6 +1392,7 @@ static struct dvb_usb_device_properties mxl111sf_props_mercury_mh = { .generic_bulk_ctrl_endpoint = 0x02, .generic_bulk_ctrl_endpoint_response = 0x81, + .probe = mxl111sf_probe, .i2c_algo = &mxl111sf_i2c_algo, .frontend_attach = mxl111sf_frontend_attach_mercury_mh, .tuner_attach = mxl111sf_attach_tuner, diff --git a/drivers/media/usb/dvb-usb/dib0700_core.c b/drivers/media/usb/dvb-usb/dib0700_core.c index ef62dd6c5ae4457649cffbe240714f00cb1a8d96..07d5e94578775aea7fce7fbed2117d67b1a19c48 100644 --- a/drivers/media/usb/dvb-usb/dib0700_core.c +++ b/drivers/media/usb/dvb-usb/dib0700_core.c @@ -616,8 +616,6 @@ int dib0700_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff) deb_info("the endpoint number (%i) is not correct, use the adapter id instead", adap->fe_adap[0].stream.props.endpoint); if (onoff) st->channel_state |= 1 << (adap->id); - else - st->channel_state |= 1 << ~(adap->id); } else { if (onoff) st->channel_state |= 1 << (adap->fe_adap[0].stream.props.endpoint-2); diff --git a/drivers/media/usb/dvb-usb/dw2102.c b/drivers/media/usb/dvb-usb/dw2102.c index b960abd00d483e63665e66bb1162a121754089f2..8493ebb377c4dc3797e1e26b7536e4e3706660b2 100644 --- a/drivers/media/usb/dvb-usb/dw2102.c +++ b/drivers/media/usb/dvb-usb/dw2102.c @@ -2098,46 +2098,153 @@ static struct dvb_usb_device_properties s6x0_properties = { } }; -static const struct dvb_usb_device_description d1100 = { - "Prof 1100 USB ", - {&dw2102_table[PROF_1100], NULL}, - {NULL}, -}; +static struct dvb_usb_device_properties p1100_properties = { + .caps = DVB_USB_IS_AN_I2C_ADAPTER, + .usb_ctrl = DEVICE_SPECIFIC, + .size_of_priv = sizeof(struct dw2102_state), + .firmware = P1100_FIRMWARE, + .no_reconnect = 1, -static const struct dvb_usb_device_description d660 = { - "TeVii S660 USB", - {&dw2102_table[TEVII_S660], NULL}, - {NULL}, -}; + .i2c_algo = &s6x0_i2c_algo, + .rc.core = { + .rc_interval = 150, + .rc_codes = RC_MAP_TBS_NEC, + .module_name = "dw2102", + .allowed_protos = RC_PROTO_BIT_NEC, + .rc_query = prof_rc_query, + }, -static const struct dvb_usb_device_description d480_1 = { - "TeVii S480.1 USB", - {&dw2102_table[TEVII_S480_1], NULL}, - {NULL}, + .generic_bulk_ctrl_endpoint = 0x81, + .num_adapters = 1, + .download_firmware = dw2102_load_firmware, + .read_mac_address = s6x0_read_mac_address, + .adapter = { + { + .num_frontends = 1, + .fe = {{ + .frontend_attach = stv0288_frontend_attach, + .stream = { + .type = USB_BULK, + .count = 8, + .endpoint = 0x82, + .u = { + .bulk = { + .buffersize = 4096, + } + } + }, + } }, + } + }, + .num_device_descs = 1, + .devices = { + {"Prof 1100 USB ", + {&dw2102_table[PROF_1100], NULL}, + {NULL}, + }, + } }; -static const struct dvb_usb_device_description d480_2 = { - "TeVii S480.2 USB", - {&dw2102_table[TEVII_S480_2], NULL}, - {NULL}, -}; +static struct dvb_usb_device_properties s660_properties = { + .caps = DVB_USB_IS_AN_I2C_ADAPTER, + .usb_ctrl = DEVICE_SPECIFIC, + .size_of_priv = sizeof(struct dw2102_state), + .firmware = S660_FIRMWARE, + .no_reconnect = 1, -static const struct dvb_usb_device_description d7500 = { - "Prof 7500 USB DVB-S2", - {&dw2102_table[PROF_7500], NULL}, - {NULL}, -}; + .i2c_algo = &s6x0_i2c_algo, + .rc.core = { + .rc_interval = 150, + .rc_codes = RC_MAP_TEVII_NEC, + .module_name = "dw2102", + .allowed_protos = RC_PROTO_BIT_NEC, + .rc_query = dw2102_rc_query, + }, -static const struct dvb_usb_device_description d421 = { - "TeVii S421 PCI", - {&dw2102_table[TEVII_S421], NULL}, - {NULL}, + .generic_bulk_ctrl_endpoint = 0x81, + .num_adapters = 1, + .download_firmware = dw2102_load_firmware, + .read_mac_address = s6x0_read_mac_address, + .adapter = { + { + .num_frontends = 1, + .fe = {{ + .frontend_attach = ds3000_frontend_attach, + .stream = { + .type = USB_BULK, + .count = 8, + .endpoint = 0x82, + .u = { + .bulk = { + .buffersize = 4096, + } + } + }, + } }, + } + }, + .num_device_descs = 3, + .devices = { + {"TeVii S660 USB", + {&dw2102_table[TEVII_S660], NULL}, + {NULL}, + }, + {"TeVii S480.1 USB", + {&dw2102_table[TEVII_S480_1], NULL}, + {NULL}, + }, + {"TeVii S480.2 USB", + {&dw2102_table[TEVII_S480_2], NULL}, + {NULL}, + }, + } }; -static const struct dvb_usb_device_description d632 = { - "TeVii S632 USB", - {&dw2102_table[TEVII_S632], NULL}, - {NULL}, +static struct dvb_usb_device_properties p7500_properties = { + .caps = DVB_USB_IS_AN_I2C_ADAPTER, + .usb_ctrl = DEVICE_SPECIFIC, + .size_of_priv = sizeof(struct dw2102_state), + .firmware = P7500_FIRMWARE, + .no_reconnect = 1, + + .i2c_algo = &s6x0_i2c_algo, + .rc.core = { + .rc_interval = 150, + .rc_codes = RC_MAP_TBS_NEC, + .module_name = "dw2102", + .allowed_protos = RC_PROTO_BIT_NEC, + .rc_query = prof_rc_query, + }, + + .generic_bulk_ctrl_endpoint = 0x81, + .num_adapters = 1, + .download_firmware = dw2102_load_firmware, + .read_mac_address = s6x0_read_mac_address, + .adapter = { + { + .num_frontends = 1, + .fe = {{ + .frontend_attach = prof_7500_frontend_attach, + .stream = { + .type = USB_BULK, + .count = 8, + .endpoint = 0x82, + .u = { + .bulk = { + .buffersize = 4096, + } + } + }, + } }, + } + }, + .num_device_descs = 1, + .devices = { + {"Prof 7500 USB DVB-S2", + {&dw2102_table[PROF_7500], NULL}, + {NULL}, + }, + } }; static struct dvb_usb_device_properties su3000_properties = { @@ -2209,6 +2316,59 @@ static struct dvb_usb_device_properties su3000_properties = { } }; +static struct dvb_usb_device_properties s421_properties = { + .caps = DVB_USB_IS_AN_I2C_ADAPTER, + .usb_ctrl = DEVICE_SPECIFIC, + .size_of_priv = sizeof(struct dw2102_state), + .power_ctrl = su3000_power_ctrl, + .num_adapters = 1, + .identify_state = su3000_identify_state, + .i2c_algo = &su3000_i2c_algo, + + .rc.core = { + .rc_interval = 150, + .rc_codes = RC_MAP_SU3000, + .module_name = "dw2102", + .allowed_protos = RC_PROTO_BIT_RC5, + .rc_query = su3000_rc_query, + }, + + .read_mac_address = su3000_read_mac_address, + + .generic_bulk_ctrl_endpoint = 0x01, + + .adapter = { + { + .num_frontends = 1, + .fe = {{ + .streaming_ctrl = su3000_streaming_ctrl, + .frontend_attach = m88rs2000_frontend_attach, + .stream = { + .type = USB_BULK, + .count = 8, + .endpoint = 0x82, + .u = { + .bulk = { + .buffersize = 4096, + } + } + } + } }, + } + }, + .num_device_descs = 2, + .devices = { + { "TeVii S421 PCI", + { &dw2102_table[TEVII_S421], NULL }, + { NULL }, + }, + { "TeVii S632 USB", + { &dw2102_table[TEVII_S632], NULL }, + { NULL }, + }, + } +}; + static struct dvb_usb_device_properties t220_properties = { .caps = DVB_USB_IS_AN_I2C_ADAPTER, .usb_ctrl = DEVICE_SPECIFIC, @@ -2326,101 +2486,33 @@ static struct dvb_usb_device_properties tt_s2_4600_properties = { static int dw2102_probe(struct usb_interface *intf, const struct usb_device_id *id) { - int retval = -ENOMEM; - struct dvb_usb_device_properties *p1100; - struct dvb_usb_device_properties *s660; - struct dvb_usb_device_properties *p7500; - struct dvb_usb_device_properties *s421; - - p1100 = kmemdup(&s6x0_properties, - sizeof(struct dvb_usb_device_properties), GFP_KERNEL); - if (!p1100) - goto err0; - - /* copy default structure */ - /* fill only different fields */ - p1100->firmware = P1100_FIRMWARE; - p1100->devices[0] = d1100; - p1100->rc.core.rc_query = prof_rc_query; - p1100->rc.core.rc_codes = RC_MAP_TBS_NEC; - p1100->adapter->fe[0].frontend_attach = stv0288_frontend_attach; - - s660 = kmemdup(&s6x0_properties, - sizeof(struct dvb_usb_device_properties), GFP_KERNEL); - if (!s660) - goto err1; - - s660->firmware = S660_FIRMWARE; - s660->num_device_descs = 3; - s660->devices[0] = d660; - s660->devices[1] = d480_1; - s660->devices[2] = d480_2; - s660->adapter->fe[0].frontend_attach = ds3000_frontend_attach; - - p7500 = kmemdup(&s6x0_properties, - sizeof(struct dvb_usb_device_properties), GFP_KERNEL); - if (!p7500) - goto err2; - - p7500->firmware = P7500_FIRMWARE; - p7500->devices[0] = d7500; - p7500->rc.core.rc_query = prof_rc_query; - p7500->rc.core.rc_codes = RC_MAP_TBS_NEC; - p7500->adapter->fe[0].frontend_attach = prof_7500_frontend_attach; - - - s421 = kmemdup(&su3000_properties, - sizeof(struct dvb_usb_device_properties), GFP_KERNEL); - if (!s421) - goto err3; - - s421->num_device_descs = 2; - s421->devices[0] = d421; - s421->devices[1] = d632; - s421->adapter->fe[0].frontend_attach = m88rs2000_frontend_attach; - - if (0 == dvb_usb_device_init(intf, &dw2102_properties, - THIS_MODULE, NULL, adapter_nr) || - 0 == dvb_usb_device_init(intf, &dw2104_properties, - THIS_MODULE, NULL, adapter_nr) || - 0 == dvb_usb_device_init(intf, &dw3101_properties, - THIS_MODULE, NULL, adapter_nr) || - 0 == dvb_usb_device_init(intf, &s6x0_properties, - THIS_MODULE, NULL, adapter_nr) || - 0 == dvb_usb_device_init(intf, p1100, - THIS_MODULE, NULL, adapter_nr) || - 0 == dvb_usb_device_init(intf, s660, - THIS_MODULE, NULL, adapter_nr) || - 0 == dvb_usb_device_init(intf, p7500, - THIS_MODULE, NULL, adapter_nr) || - 0 == dvb_usb_device_init(intf, s421, - THIS_MODULE, NULL, adapter_nr) || - 0 == dvb_usb_device_init(intf, &su3000_properties, - THIS_MODULE, NULL, adapter_nr) || - 0 == dvb_usb_device_init(intf, &t220_properties, - THIS_MODULE, NULL, adapter_nr) || - 0 == dvb_usb_device_init(intf, &tt_s2_4600_properties, - THIS_MODULE, NULL, adapter_nr)) { - - /* clean up copied properties */ - kfree(s421); - kfree(p7500); - kfree(s660); - kfree(p1100); + if (!(dvb_usb_device_init(intf, &dw2102_properties, + THIS_MODULE, NULL, adapter_nr) && + dvb_usb_device_init(intf, &dw2104_properties, + THIS_MODULE, NULL, adapter_nr) && + dvb_usb_device_init(intf, &dw3101_properties, + THIS_MODULE, NULL, adapter_nr) && + dvb_usb_device_init(intf, &s6x0_properties, + THIS_MODULE, NULL, adapter_nr) && + dvb_usb_device_init(intf, &p1100_properties, + THIS_MODULE, NULL, adapter_nr) && + dvb_usb_device_init(intf, &s660_properties, + THIS_MODULE, NULL, adapter_nr) && + dvb_usb_device_init(intf, &p7500_properties, + THIS_MODULE, NULL, adapter_nr) && + dvb_usb_device_init(intf, &s421_properties, + THIS_MODULE, NULL, adapter_nr) && + dvb_usb_device_init(intf, &su3000_properties, + THIS_MODULE, NULL, adapter_nr) && + dvb_usb_device_init(intf, &t220_properties, + THIS_MODULE, NULL, adapter_nr) && + dvb_usb_device_init(intf, &tt_s2_4600_properties, + THIS_MODULE, NULL, adapter_nr))) { return 0; } - retval = -ENODEV; - kfree(s421); -err3: - kfree(p7500); -err2: - kfree(s660); -err1: - kfree(p1100); -err0: - return retval; + return -ENODEV; } static void dw2102_disconnect(struct usb_interface *intf) diff --git a/drivers/media/usb/dvb-usb/m920x.c b/drivers/media/usb/dvb-usb/m920x.c index d866a1990a7d24a93a70a9a3f64ac8fe0591cb20..7282f602265589b3633edb5ee6baa695bd08569b 100644 --- a/drivers/media/usb/dvb-usb/m920x.c +++ b/drivers/media/usb/dvb-usb/m920x.c @@ -274,6 +274,13 @@ static int m920x_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], int nu /* Should check for ack here, if we knew how. */ } if (msg[i].flags & I2C_M_RD) { + char *read = kmalloc(1, GFP_KERNEL); + if (!read) { + ret = -ENOMEM; + kfree(read); + goto unlock; + } + for (j = 0; j < msg[i].len; j++) { /* Last byte of transaction? * Send STOP, otherwise send ACK. */ @@ -281,9 +288,12 @@ static int m920x_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], int nu if ((ret = m920x_read(d->udev, M9206_I2C, 0x0, 0x20 | stop, - &msg[i].buf[j], 1)) != 0) + read, 1)) != 0) goto unlock; + msg[i].buf[j] = read[0]; } + + kfree(read); } else { for (j = 0; j < msg[i].len; j++) { /* Last byte of transaction? Then send STOP. */ diff --git a/drivers/media/usb/em28xx/em28xx-cards.c b/drivers/media/usb/em28xx/em28xx-cards.c index 3e96b4b711d758f2541932f3d6fda5bd96d3f23f..bfca9d0a1fe15a9a34dd3fbd91576622dd7547b7 100644 --- a/drivers/media/usb/em28xx/em28xx-cards.c +++ b/drivers/media/usb/em28xx/em28xx-cards.c @@ -3515,8 +3515,10 @@ static int em28xx_init_dev(struct em28xx *dev, struct usb_device *udev, if (dev->is_audio_only) { retval = em28xx_audio_setup(dev); - if (retval) - return -ENODEV; + if (retval) { + retval = -ENODEV; + goto err_deinit_media; + } em28xx_init_extension(dev); return 0; @@ -3535,7 +3537,7 @@ static int em28xx_init_dev(struct em28xx *dev, struct usb_device *udev, dev_err(&dev->intf->dev, "%s: em28xx_i2c_register bus 0 - error [%d]!\n", __func__, retval); - return retval; + goto err_deinit_media; } /* register i2c bus 1 */ @@ -3551,9 +3553,7 @@ static int em28xx_init_dev(struct em28xx *dev, struct usb_device *udev, "%s: em28xx_i2c_register bus 1 - error [%d]!\n", __func__, retval); - em28xx_i2c_unregister(dev, 0); - - return retval; + goto err_unreg_i2c; } } @@ -3561,6 +3561,12 @@ static int em28xx_init_dev(struct em28xx *dev, struct usb_device *udev, em28xx_card_setup(dev); return 0; + +err_unreg_i2c: + em28xx_i2c_unregister(dev, 0); +err_deinit_media: + em28xx_unregister_media_device(dev); + return retval; } static int em28xx_duplicate_dev(struct em28xx *dev) diff --git a/drivers/media/usb/em28xx/em28xx-core.c b/drivers/media/usb/em28xx/em28xx-core.c index af9216278024f7c4ddb13e22fc817210c1cfed80..308bc029099d9da5de834f76e8e7b1b8fc4831f5 100644 --- a/drivers/media/usb/em28xx/em28xx-core.c +++ b/drivers/media/usb/em28xx/em28xx-core.c @@ -89,7 +89,7 @@ int em28xx_read_reg_req_len(struct em28xx *dev, u8 req, u16 reg, mutex_lock(&dev->ctrl_urb_lock); ret = usb_control_msg(udev, pipe, req, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - 0x0000, reg, dev->urb_buf, len, HZ); + 0x0000, reg, dev->urb_buf, len, 1000); if (ret < 0) { em28xx_regdbg("(pipe 0x%08x): IN: %02x %02x %02x %02x %02x %02x %02x %02x failed with error %i\n", pipe, @@ -158,7 +158,7 @@ int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf, memcpy(dev->urb_buf, buf, len); ret = usb_control_msg(udev, pipe, req, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - 0x0000, reg, dev->urb_buf, len, HZ); + 0x0000, reg, dev->urb_buf, len, 1000); mutex_unlock(&dev->ctrl_urb_lock); if (ret < 0) { diff --git a/drivers/media/usb/pvrusb2/pvrusb2-hdw.c b/drivers/media/usb/pvrusb2/pvrusb2-hdw.c index 4c991eae53cdf1ebf284bae1a029be822927513f..2f00679f65a0af046898af6691297b4898489771 100644 --- a/drivers/media/usb/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/usb/pvrusb2/pvrusb2-hdw.c @@ -1468,7 +1468,7 @@ static int pvr2_upload_firmware1(struct pvr2_hdw *hdw) for (address = 0; address < fwsize; address += 0x800) { memcpy(fw_ptr, fw_entry->data + address, 0x800); ret += usb_control_msg(hdw->usb_dev, pipe, 0xa0, 0x40, address, - 0, fw_ptr, 0x800, HZ); + 0, fw_ptr, 0x800, 1000); } trace_firmware("Upload done, releasing device's CPU"); @@ -1606,7 +1606,7 @@ int pvr2_upload_firmware2(struct pvr2_hdw *hdw) ((u32 *)fw_ptr)[icnt] = swab32(((u32 *)fw_ptr)[icnt]); ret |= usb_bulk_msg(hdw->usb_dev, pipe, fw_ptr,bcnt, - &actual_length, HZ); + &actual_length, 1000); ret |= (actual_length != bcnt); if (ret) break; fw_done += bcnt; @@ -3439,7 +3439,7 @@ void pvr2_hdw_cpufw_set_enabled(struct pvr2_hdw *hdw, 0xa0,0xc0, address,0, hdw->fw_buffer+address, - 0x800,HZ); + 0x800,1000); if (ret < 0) break; } @@ -3978,7 +3978,7 @@ void pvr2_hdw_cpureset_assert(struct pvr2_hdw *hdw,int val) /* Write the CPUCS register on the 8051. The lsb of the register is the reset bit; a 1 asserts reset while a 0 clears it. */ pipe = usb_sndctrlpipe(hdw->usb_dev, 0); - ret = usb_control_msg(hdw->usb_dev,pipe,0xa0,0x40,0xe600,0,da,1,HZ); + ret = usb_control_msg(hdw->usb_dev,pipe,0xa0,0x40,0xe600,0,da,1,1000); if (ret < 0) { pvr2_trace(PVR2_TRACE_ERROR_LEGS, "cpureset_assert(%d) error=%d",val,ret); diff --git a/drivers/media/usb/s2255/s2255drv.c b/drivers/media/usb/s2255/s2255drv.c index 329ec808959276dc0e224ae3cb044173cdb4437b..7ed526306816a4a25e4812074f72a13b5c8f0f77 100644 --- a/drivers/media/usb/s2255/s2255drv.c +++ b/drivers/media/usb/s2255/s2255drv.c @@ -1884,7 +1884,7 @@ static long s2255_vendor_req(struct s2255_dev *dev, unsigned char Request, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, Value, Index, buf, - TransferBufferLength, HZ * 5); + TransferBufferLength, USB_CTRL_SET_TIMEOUT); if (r >= 0) memcpy(TransferBuffer, buf, TransferBufferLength); @@ -1893,7 +1893,7 @@ static long s2255_vendor_req(struct s2255_dev *dev, unsigned char Request, r = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), Request, USB_TYPE_VENDOR | USB_RECIP_DEVICE, Value, Index, buf, - TransferBufferLength, HZ * 5); + TransferBufferLength, USB_CTRL_SET_TIMEOUT); } kfree(buf); return r; diff --git a/drivers/media/usb/stk1160/stk1160-core.c b/drivers/media/usb/stk1160/stk1160-core.c index b4f8bc5db138917baa34d827cc209554c15ef43e..4e1698f7881876010ff05f18b39610d863fccaa6 100644 --- a/drivers/media/usb/stk1160/stk1160-core.c +++ b/drivers/media/usb/stk1160/stk1160-core.c @@ -65,7 +65,7 @@ int stk1160_read_reg(struct stk1160 *dev, u16 reg, u8 *value) return -ENOMEM; ret = usb_control_msg(dev->udev, pipe, 0x00, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - 0x00, reg, buf, sizeof(u8), HZ); + 0x00, reg, buf, sizeof(u8), 1000); if (ret < 0) { stk1160_err("read failed on reg 0x%x (%d)\n", reg, ret); @@ -85,7 +85,7 @@ int stk1160_write_reg(struct stk1160 *dev, u16 reg, u16 value) ret = usb_control_msg(dev->udev, pipe, 0x01, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - value, reg, NULL, 0, HZ); + value, reg, NULL, 0, 1000); if (ret < 0) { stk1160_err("write failed on reg 0x%x (%d)\n", reg, ret); diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c index 378cfc46fc1955f92ff11df7de0b1aabae6a96ed..40ca1d4e03483a63f884f2dcb1592d0a89b0e123 100644 --- a/drivers/media/usb/uvc/uvc_driver.c +++ b/drivers/media/usb/uvc/uvc_driver.c @@ -1972,7 +1972,6 @@ int uvc_register_video_device(struct uvc_device *dev, const struct v4l2_file_operations *fops, const struct v4l2_ioctl_ops *ioctl_ops) { - const char *name; int ret; /* Initialize the video buffers queue. */ @@ -2001,20 +2000,16 @@ int uvc_register_video_device(struct uvc_device *dev, case V4L2_BUF_TYPE_VIDEO_CAPTURE: default: vdev->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING; - name = "Video Capture"; break; case V4L2_BUF_TYPE_VIDEO_OUTPUT: vdev->device_caps = V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_STREAMING; - name = "Video Output"; break; case V4L2_BUF_TYPE_META_CAPTURE: vdev->device_caps = V4L2_CAP_META_CAPTURE | V4L2_CAP_STREAMING; - name = "Metadata"; break; } - snprintf(vdev->name, sizeof(vdev->name), "%s %u", name, - stream->header.bTerminalLink); + strscpy(vdev->name, dev->name, sizeof(vdev->name)); /* * Set the driver data before calling video_register_device, otherwise diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c index 96b85d66e7a87a96ec6b8fca83152394c6377461..fe58723fc5ac7ffd943b8263fcfbdcd10a779a53 100644 --- a/drivers/media/usb/uvc/uvc_video.c +++ b/drivers/media/usb/uvc/uvc_video.c @@ -1915,6 +1915,10 @@ static int uvc_video_start_transfer(struct uvc_streaming *stream, if (ep == NULL) return -EIO; + /* Reject broken descriptors. */ + if (usb_endpoint_maxp(&ep->desc) == 0) + return -EIO; + ret = uvc_init_video_bulk(stream, ep, gfp_flags); } diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h index 24e3d8c647e77191e2317101aac3e277d6bcb381..5f137400bebd6f5153c61fd1ef082b7f999c04ea 100644 --- a/drivers/media/usb/uvc/uvcvideo.h +++ b/drivers/media/usb/uvc/uvcvideo.h @@ -179,7 +179,7 @@ /* Maximum status buffer size in bytes of interrupt URB. */ #define UVC_MAX_STATUS_SIZE 16 -#define UVC_CTRL_CONTROL_TIMEOUT 500 +#define UVC_CTRL_CONTROL_TIMEOUT 5000 #define UVC_CTRL_STREAMING_TIMEOUT 5000 /* Maximum allowed number of control mappings per device */ diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c index 98633fa5d46fde2f5619f9bcc525fd728176da0f..3012e8ecffb9466807d94a6ed685ee4fcfd232de 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -2046,6 +2046,7 @@ static int v4l_prepare_buf(const struct v4l2_ioctl_ops *ops, static int v4l_g_parm(const struct v4l2_ioctl_ops *ops, struct file *file, void *fh, void *arg) { + struct video_device *vfd = video_devdata(file); struct v4l2_streamparm *p = arg; v4l2_std_id std; int ret = check_fmt(file, p->type); @@ -2057,7 +2058,8 @@ static int v4l_g_parm(const struct v4l2_ioctl_ops *ops, if (p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && p->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) return -EINVAL; - p->parm.capture.readbuffers = 2; + if (vfd->device_caps & V4L2_CAP_READWRITE) + p->parm.capture.readbuffers = 2; ret = ops->vidioc_g_std(file, fh, &std); if (ret == 0) v4l2_video_std_frame_period(std, &p->parm.capture.timeperframe); diff --git a/drivers/mfd/intel-lpss-acpi.c b/drivers/mfd/intel-lpss-acpi.c index c8fe334b5fe8bb425833bd57baf24c59b71afefe..045cbf0cbe53ae55f334f0a0d83aa25da96bf5cc 100644 --- a/drivers/mfd/intel-lpss-acpi.c +++ b/drivers/mfd/intel-lpss-acpi.c @@ -102,6 +102,7 @@ static int intel_lpss_acpi_probe(struct platform_device *pdev) { struct intel_lpss_platform_info *info; const struct acpi_device_id *id; + int ret; id = acpi_match_device(intel_lpss_acpi_ids, &pdev->dev); if (!id) @@ -115,10 +116,14 @@ static int intel_lpss_acpi_probe(struct platform_device *pdev) info->mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); info->irq = platform_get_irq(pdev, 0); + ret = intel_lpss_probe(&pdev->dev, info); + if (ret) + return ret; + pm_runtime_set_active(&pdev->dev); pm_runtime_enable(&pdev->dev); - return intel_lpss_probe(&pdev->dev, info); + return 0; } static int intel_lpss_acpi_remove(struct platform_device *pdev) diff --git a/drivers/misc/eeprom/ee1004.c b/drivers/misc/eeprom/ee1004.c index b081c67416d774969fbcfbdf21d027fdbdc6bd51..6b313997085e07296c85d150557056b3205d4f67 100644 --- a/drivers/misc/eeprom/ee1004.c +++ b/drivers/misc/eeprom/ee1004.c @@ -82,6 +82,9 @@ static ssize_t ee1004_eeprom_read(struct i2c_client *client, char *buf, if (unlikely(offset + count > EE1004_PAGE_SIZE)) count = EE1004_PAGE_SIZE - offset; + if (count > I2C_SMBUS_BLOCK_MAX) + count = I2C_SMBUS_BLOCK_MAX; + status = i2c_smbus_read_i2c_block_data_or_emulated(client, offset, count, buf); dev_dbg(&client->dev, "read %zu@%d --> %d\n", count, offset, status); diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c index beaf15807f78984548847c1f0d87222baa6b76ad..fb5ddf3864fdd77def9128b64351f601d5a882ea 100644 --- a/drivers/misc/fastrpc.c +++ b/drivers/misc/fastrpc.c @@ -693,16 +693,18 @@ static int fastrpc_get_meta_size(struct fastrpc_invoke_ctx *ctx) static u64 fastrpc_get_payload_size(struct fastrpc_invoke_ctx *ctx, int metalen) { u64 size = 0; - int i; + int oix; size = ALIGN(metalen, FASTRPC_ALIGN); - for (i = 0; i < ctx->nscalars; i++) { + for (oix = 0; oix < ctx->nbufs; oix++) { + int i = ctx->olaps[oix].raix; + if (ctx->args[i].fd == 0 || ctx->args[i].fd == -1) { - if (ctx->olaps[i].offset == 0) + if (ctx->olaps[oix].offset == 0) size = ALIGN(size, FASTRPC_ALIGN); - size += (ctx->olaps[i].mend - ctx->olaps[i].mstart); + size += (ctx->olaps[oix].mend - ctx->olaps[oix].mstart); } } @@ -1243,7 +1245,14 @@ static int fastrpc_dmabuf_alloc(struct fastrpc_user *fl, char __user *argp) } if (copy_to_user(argp, &bp, sizeof(bp))) { - dma_buf_put(buf->dmabuf); + /* + * The usercopy failed, but we can't do much about it, as + * dma_buf_fd() already called fd_install() and made the + * file descriptor accessible for the current process. It + * might already be closed and dmabuf no longer valid when + * we reach this point. Therefore "leak" the fd and rely on + * the process exit path to do any required cleanup. + */ return -EFAULT; } diff --git a/drivers/misc/lattice-ecp3-config.c b/drivers/misc/lattice-ecp3-config.c index 884485c3f723230505050e350af0b98786a6ad12..3a0d2b052ed290a2484a5e93167c24ddcd8b11d1 100644 --- a/drivers/misc/lattice-ecp3-config.c +++ b/drivers/misc/lattice-ecp3-config.c @@ -77,12 +77,12 @@ static void firmware_load(const struct firmware *fw, void *context) if (fw == NULL) { dev_err(&spi->dev, "Cannot load firmware, aborting\n"); - return; + goto out; } if (fw->size == 0) { dev_err(&spi->dev, "Error: Firmware size is 0!\n"); - return; + goto out; } /* Fill dummy data (24 stuffing bits for commands) */ @@ -104,7 +104,7 @@ static void firmware_load(const struct firmware *fw, void *context) dev_err(&spi->dev, "Error: No supported FPGA detected (JEDEC_ID=%08x)!\n", jedec_id); - return; + goto out; } dev_info(&spi->dev, "FPGA %s detected\n", ecp3_dev[i].name); @@ -117,7 +117,7 @@ static void firmware_load(const struct firmware *fw, void *context) buffer = kzalloc(fw->size + 8, GFP_KERNEL); if (!buffer) { dev_err(&spi->dev, "Error: Can't allocate memory!\n"); - return; + goto out; } /* @@ -156,7 +156,7 @@ static void firmware_load(const struct firmware *fw, void *context) "Error: Timeout waiting for FPGA to clear (status=%08x)!\n", status); kfree(buffer); - return; + goto out; } dev_info(&spi->dev, "Configuring the FPGA...\n"); @@ -182,7 +182,7 @@ static void firmware_load(const struct firmware *fw, void *context) release_firmware(fw); kfree(buffer); - +out: complete(&data->fw_loaded); } diff --git a/drivers/misc/lkdtm/Makefile b/drivers/misc/lkdtm/Makefile index 73fb627f0e723f726c404acda4fa805b9e2c8b4f..0d768a13e2bb705ff645df6cf1e3d1c7a0055726 100644 --- a/drivers/misc/lkdtm/Makefile +++ b/drivers/misc/lkdtm/Makefile @@ -17,7 +17,7 @@ CFLAGS_REMOVE_rodata.o += $(CC_FLAGS_LTO) OBJCOPYFLAGS := OBJCOPYFLAGS_rodata_objcopy.o := \ - --rename-section .noinstr.text=.rodata,alloc,readonly,load + --rename-section .noinstr.text=.rodata,alloc,readonly,load,contents targets += rodata.o rodata_objcopy.o $(obj)/rodata_objcopy.o: $(obj)/rodata.o FORCE $(call if_changed,objcopy) diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index 8f94c2539508066fe5d5e756db341756b0bb25ab..d7bda1fa0a6e279d1ee08f0f0094d70122ac1a3e 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -2364,7 +2364,7 @@ void mmc_start_host(struct mmc_host *host) _mmc_detect_change(host, 0, false); } -void mmc_stop_host(struct mmc_host *host) +void __mmc_stop_host(struct mmc_host *host) { if (host->slot.cd_irq >= 0) { mmc_gpio_set_cd_wake(host, false); @@ -2373,6 +2373,11 @@ void mmc_stop_host(struct mmc_host *host) host->rescan_disable = 1; cancel_delayed_work_sync(&host->detect); +} + +void mmc_stop_host(struct mmc_host *host) +{ + __mmc_stop_host(host); /* clear pm flags now and let card drivers set them as needed */ host->pm_flags = 0; diff --git a/drivers/mmc/core/core.h b/drivers/mmc/core/core.h index 8032451abaea9c732d4640ee0ffec2a7ae808793..38f10d13c9811dbf8bfc71fc90d04e8d9fb8a3dc 100644 --- a/drivers/mmc/core/core.h +++ b/drivers/mmc/core/core.h @@ -68,6 +68,7 @@ static inline void mmc_delay(unsigned int ms) void mmc_rescan(struct work_struct *work); void mmc_start_host(struct mmc_host *host); +void __mmc_stop_host(struct mmc_host *host); void mmc_stop_host(struct mmc_host *host); void _mmc_detect_change(struct mmc_host *host, unsigned long delay, diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c index 815413a0e477c60379b0af98d02b183fd3c289ce..335c3a89ce0a44d61618ad80437a513678eb8a69 100644 --- a/drivers/mmc/core/host.c +++ b/drivers/mmc/core/host.c @@ -77,9 +77,18 @@ static void mmc_host_classdev_release(struct device *dev) kfree(host); } +static int mmc_host_classdev_shutdown(struct device *dev) +{ + struct mmc_host *host = cls_dev_to_mmc_host(dev); + + __mmc_stop_host(host); + return 0; +} + static struct class mmc_host_class = { .name = "mmc_host", .dev_release = mmc_host_classdev_release, + .shutdown_pre = mmc_host_classdev_shutdown, .pm = MMC_HOST_CLASS_DEV_PM_OPS, }; diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c index 0bf33786fc5c5f673ed12fec3338b5171e0d07e8..9e0791332ef38195918e3544b1696f3e5660786a 100644 --- a/drivers/mmc/core/sdio.c +++ b/drivers/mmc/core/sdio.c @@ -626,6 +626,8 @@ static int mmc_sdio_init_card(struct mmc_host *host, u32 ocr, if (host->ops->init_card) host->ops->init_card(host, card); + card->ocr = ocr_card; + /* * If the host and card support UHS-I mode request the card * to switch to 1.8V signaling level. No 1.8v signalling if @@ -738,7 +740,7 @@ static int mmc_sdio_init_card(struct mmc_host *host, u32 ocr, goto mismatch; } } - card->ocr = ocr_card; + mmc_fixup_device(card, sdio_fixup_methods); if (card->type == MMC_TYPE_SD_COMBO) { diff --git a/drivers/mmc/host/meson-mx-sdio.c b/drivers/mmc/host/meson-mx-sdio.c index 360d523132bd53d398d8409c819ef36050d91909..780552a86ec08692422b136e4450dc436013ba87 100644 --- a/drivers/mmc/host/meson-mx-sdio.c +++ b/drivers/mmc/host/meson-mx-sdio.c @@ -665,6 +665,11 @@ static int meson_mx_mmc_probe(struct platform_device *pdev) } irq = platform_get_irq(pdev, 0); + if (irq < 0) { + ret = irq; + goto error_free_mmc; + } + ret = devm_request_threaded_irq(host->controller_dev, irq, meson_mx_mmc_irq, meson_mx_mmc_irq_thread, IRQF_ONESHOT, diff --git a/drivers/mmc/host/moxart-mmc.c b/drivers/mmc/host/moxart-mmc.c index 5553a5643f40560a5b3e56d8b605a93ba2e199a9..5c81dc7371db76927feb078220981874dc5bb7b9 100644 --- a/drivers/mmc/host/moxart-mmc.c +++ b/drivers/mmc/host/moxart-mmc.c @@ -696,12 +696,12 @@ static int moxart_remove(struct platform_device *pdev) if (!IS_ERR(host->dma_chan_rx)) dma_release_channel(host->dma_chan_rx); mmc_remove_host(mmc); - mmc_free_host(mmc); writel(0, host->base + REG_INTERRUPT_MASK); writel(0, host->base + REG_POWER_CONTROL); writel(readl(host->base + REG_CLOCK_CONTROL) | CLK_OFF, host->base + REG_CLOCK_CONTROL); + mmc_free_host(mmc); } return 0; } diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c index 2c01e2ebef7aa6221ec8c27e2b114aadd04a1f51..d97c19ef75830e8d52ec25678cd7966f7741970e 100644 --- a/drivers/mmc/host/sdhci-esdhc-imx.c +++ b/drivers/mmc/host/sdhci-esdhc-imx.c @@ -218,8 +218,7 @@ static struct esdhc_soc_data usdhc_imx7ulp_data = { static struct esdhc_soc_data usdhc_imx8qxp_data = { .flags = ESDHC_FLAG_USDHC | ESDHC_FLAG_STD_TUNING | ESDHC_FLAG_HAVE_CAP1 | ESDHC_FLAG_HS200 - | ESDHC_FLAG_HS400 | ESDHC_FLAG_HS400_ES - | ESDHC_FLAG_CQHCI, + | ESDHC_FLAG_HS400 | ESDHC_FLAG_HS400_ES, }; struct pltfm_imx_data { diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c index 5922ae021d869b7c9bce874ec2291445ecf5cb65..0ff339004d8a5c8fc645b73e30ed6d5ed9d85a70 100644 --- a/drivers/mmc/host/sdhci-of-esdhc.c +++ b/drivers/mmc/host/sdhci-of-esdhc.c @@ -519,12 +519,16 @@ static void esdhc_of_adma_workaround(struct sdhci_host *host, u32 intmask) static int esdhc_of_enable_dma(struct sdhci_host *host) { + int ret; u32 value; struct device *dev = mmc_dev(host->mmc); if (of_device_is_compatible(dev->of_node, "fsl,ls1043a-esdhc") || - of_device_is_compatible(dev->of_node, "fsl,ls1046a-esdhc")) - dma_set_mask_and_coherent(dev, DMA_BIT_MASK(40)); + of_device_is_compatible(dev->of_node, "fsl,ls1046a-esdhc")) { + ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(40)); + if (ret) + return ret; + } value = sdhci_readl(host, ESDHC_DMA_SYSCTL); diff --git a/drivers/mmc/host/sdhci-pci-core.c b/drivers/mmc/host/sdhci-pci-core.c index a9151bd27211ab535a42068627649f8bd652b69d..1e19c0d0bca803669d272d1b0fa17926f1a80fca 100644 --- a/drivers/mmc/host/sdhci-pci-core.c +++ b/drivers/mmc/host/sdhci-pci-core.c @@ -1936,6 +1936,7 @@ static const struct pci_device_id pci_ids[] = { SDHCI_PCI_DEVICE(INTEL, JSL_SD, intel_byt_sd), SDHCI_PCI_DEVICE(INTEL, LKF_EMMC, intel_glk_emmc), SDHCI_PCI_DEVICE(INTEL, LKF_SD, intel_byt_sd), + SDHCI_PCI_DEVICE(INTEL, ADL_EMMC, intel_glk_emmc), SDHCI_PCI_DEVICE(O2, 8120, o2), SDHCI_PCI_DEVICE(O2, 8220, o2), SDHCI_PCI_DEVICE(O2, 8221, o2), diff --git a/drivers/mmc/host/sdhci-pci.h b/drivers/mmc/host/sdhci-pci.h index 779156ce1ee171e1c364c58dd9f4f5a8043596c8..b4ac314790b2c31a5f87b0240eb3a21479d14f74 100644 --- a/drivers/mmc/host/sdhci-pci.h +++ b/drivers/mmc/host/sdhci-pci.h @@ -59,6 +59,7 @@ #define PCI_DEVICE_ID_INTEL_JSL_SD 0x4df8 #define PCI_DEVICE_ID_INTEL_LKF_EMMC 0x98c4 #define PCI_DEVICE_ID_INTEL_LKF_SD 0x98f8 +#define PCI_DEVICE_ID_INTEL_ADL_EMMC 0x54c4 #define PCI_DEVICE_ID_SYSKONNECT_8000 0x8000 #define PCI_DEVICE_ID_VIA_95D0 0x95d0 diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c index c105356ad4cb7da063f7d5a513e8f7c018d2126a..65dfe75120ed672c7f04e0a159e8e4349f76fd51 100644 --- a/drivers/mmc/host/sdhci-tegra.c +++ b/drivers/mmc/host/sdhci-tegra.c @@ -340,23 +340,6 @@ static void tegra_sdhci_set_tap(struct sdhci_host *host, unsigned int tap) } } -static void tegra_sdhci_hs400_enhanced_strobe(struct mmc_host *mmc, - struct mmc_ios *ios) -{ - struct sdhci_host *host = mmc_priv(mmc); - u32 val; - - val = sdhci_readl(host, SDHCI_TEGRA_VENDOR_SYS_SW_CTRL); - - if (ios->enhanced_strobe) - val |= SDHCI_TEGRA_SYS_SW_CTRL_ENHANCED_STROBE; - else - val &= ~SDHCI_TEGRA_SYS_SW_CTRL_ENHANCED_STROBE; - - sdhci_writel(host, val, SDHCI_TEGRA_VENDOR_SYS_SW_CTRL); - -} - static void tegra_sdhci_reset(struct sdhci_host *host, u8 mask) { struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); @@ -768,6 +751,32 @@ static void tegra_sdhci_set_clock(struct sdhci_host *host, unsigned int clock) } } +static void tegra_sdhci_hs400_enhanced_strobe(struct mmc_host *mmc, + struct mmc_ios *ios) +{ + struct sdhci_host *host = mmc_priv(mmc); + u32 val; + + val = sdhci_readl(host, SDHCI_TEGRA_VENDOR_SYS_SW_CTRL); + + if (ios->enhanced_strobe) { + val |= SDHCI_TEGRA_SYS_SW_CTRL_ENHANCED_STROBE; + /* + * When CMD13 is sent from mmc_select_hs400es() after + * switching to HS400ES mode, the bus is operating at + * either MMC_HIGH_26_MAX_DTR or MMC_HIGH_52_MAX_DTR. + * To meet Tegra SDHCI requirement at HS400ES mode, force SDHCI + * interface clock to MMC_HS200_MAX_DTR (200 MHz) so that host + * controller CAR clock and the interface clock are rate matched. + */ + tegra_sdhci_set_clock(host, MMC_HS200_MAX_DTR); + } else { + val &= ~SDHCI_TEGRA_SYS_SW_CTRL_ENHANCED_STROBE; + } + + sdhci_writel(host, val, SDHCI_TEGRA_VENDOR_SYS_SW_CTRL); +} + static unsigned int tegra_sdhci_get_max_clock(struct sdhci_host *host) { struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); diff --git a/drivers/mtd/chips/Kconfig b/drivers/mtd/chips/Kconfig index c3722c2da3c519dbcca6c1e89bff404d98fe485d..ad6711cc531e9e6c685997b048142842f93c5619 100644 --- a/drivers/mtd/chips/Kconfig +++ b/drivers/mtd/chips/Kconfig @@ -55,12 +55,14 @@ choice LITTLE_ENDIAN_BYTE, if the bytes are reversed. config MTD_CFI_NOSWAP + depends on !ARCH_IXP4XX || CPU_BIG_ENDIAN bool "NO" config MTD_CFI_BE_BYTE_SWAP bool "BIG_ENDIAN_BYTE" config MTD_CFI_LE_BYTE_SWAP + depends on !ARCH_IXP4XX bool "LITTLE_ENDIAN_BYTE" endchoice diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig index bc82305ebb4c2cd5c30d7ae1a95f0656c6b4290f..ffbf4f6cb9cfe684788588e3a5bb9deaa9aaca17 100644 --- a/drivers/mtd/maps/Kconfig +++ b/drivers/mtd/maps/Kconfig @@ -303,7 +303,7 @@ config MTD_DC21285 config MTD_IXP4XX tristate "CFI Flash device mapped on Intel IXP4xx based systems" - depends on MTD_CFI && MTD_COMPLEX_MAPPINGS && ARCH_IXP4XX + depends on MTD_CFI && MTD_COMPLEX_MAPPINGS && ARCH_IXP4XX && MTD_CFI_ADV_OPTIONS help This enables MTD access to flash devices on platforms based on Intel's IXP4xx family of network processors such as the diff --git a/drivers/mtd/nand/bbt.c b/drivers/mtd/nand/bbt.c index 044adf91385465ca73e54f53238fb68b03c8a604..64af6898131d656401a42135855c22e183df4109 100644 --- a/drivers/mtd/nand/bbt.c +++ b/drivers/mtd/nand/bbt.c @@ -123,7 +123,7 @@ int nanddev_bbt_set_block_status(struct nand_device *nand, unsigned int entry, unsigned int rbits = bits_per_block + offs - BITS_PER_LONG; pos[1] &= ~GENMASK(rbits - 1, 0); - pos[1] |= val >> rbits; + pos[1] |= val >> (bits_per_block - rbits); } return 0; diff --git a/drivers/mtd/nand/raw/fsmc_nand.c b/drivers/mtd/nand/raw/fsmc_nand.c index 81e4b0f466623531b356dd2021e3155a314fa6dd..cc8369a595de351dc4409ef9bfc4f2d0f88fc67f 100644 --- a/drivers/mtd/nand/raw/fsmc_nand.c +++ b/drivers/mtd/nand/raw/fsmc_nand.c @@ -15,6 +15,7 @@ #include #include +#include #include #include #include @@ -93,6 +94,14 @@ #define FSMC_BUSY_WAIT_TIMEOUT (1 * HZ) +/* + * According to SPEAr300 Reference Manual (RM0082) + * TOUDEL = 7ns (Output delay from the flip-flops to the board) + * TINDEL = 5ns (Input delay from the board to the flipflop) + */ +#define TOUTDEL 7000 +#define TINDEL 5000 + struct fsmc_nand_timings { u8 tclr; u8 tar; @@ -277,7 +286,7 @@ static int fsmc_calc_timings(struct fsmc_nand_data *host, { unsigned long hclk = clk_get_rate(host->clk); unsigned long hclkn = NSEC_PER_SEC / hclk; - u32 thiz, thold, twait, tset; + u32 thiz, thold, twait, tset, twait_min; if (sdrt->tRC_min < 30000) return -EOPNOTSUPP; @@ -309,13 +318,6 @@ static int fsmc_calc_timings(struct fsmc_nand_data *host, else if (tims->thold > FSMC_THOLD_MASK) tims->thold = FSMC_THOLD_MASK; - twait = max(sdrt->tRP_min, sdrt->tWP_min); - tims->twait = DIV_ROUND_UP(twait / 1000, hclkn) - 1; - if (tims->twait == 0) - tims->twait = 1; - else if (tims->twait > FSMC_TWAIT_MASK) - tims->twait = FSMC_TWAIT_MASK; - tset = max(sdrt->tCS_min - sdrt->tWP_min, sdrt->tCEA_max - sdrt->tREA_max); tims->tset = DIV_ROUND_UP(tset / 1000, hclkn) - 1; @@ -324,6 +326,21 @@ static int fsmc_calc_timings(struct fsmc_nand_data *host, else if (tims->tset > FSMC_TSET_MASK) tims->tset = FSMC_TSET_MASK; + /* + * According to SPEAr300 Reference Manual (RM0082) which gives more + * information related to FSMSC timings than the SPEAr600 one (RM0305), + * twait >= tCEA - (tset * TCLK) + TOUTDEL + TINDEL + */ + twait_min = sdrt->tCEA_max - ((tims->tset + 1) * hclkn * 1000) + + TOUTDEL + TINDEL; + twait = max3(sdrt->tRP_min, sdrt->tWP_min, twait_min); + + tims->twait = DIV_ROUND_UP(twait / 1000, hclkn) - 1; + if (tims->twait == 0) + tims->twait = 1; + else if (tims->twait > FSMC_TWAIT_MASK) + tims->twait = FSMC_TWAIT_MASK; + return 0; } @@ -650,6 +667,9 @@ static int fsmc_exec_op(struct nand_chip *chip, const struct nand_operation *op, instr->ctx.waitrdy.timeout_ms); break; } + + if (instr->delay_ns) + ndelay(instr->delay_ns); } return ret; diff --git a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c index 60f146920b9f43df0d2f8a9014aedbfe4de9bc42..515094e253dcdba0addd6920bf769423e876c00b 100644 --- a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c +++ b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c @@ -710,14 +710,32 @@ static void gpmi_nfc_compute_timings(struct gpmi_nand_data *this, (use_half_period ? BM_GPMI_CTRL1_HALF_PERIOD : 0); } -static void gpmi_nfc_apply_timings(struct gpmi_nand_data *this) +static int gpmi_nfc_apply_timings(struct gpmi_nand_data *this) { struct gpmi_nfc_hardware_timing *hw = &this->hw; struct resources *r = &this->resources; void __iomem *gpmi_regs = r->gpmi_regs; unsigned int dll_wait_time_us; + int ret; + + /* Clock dividers do NOT guarantee a clean clock signal on its output + * during the change of the divide factor on i.MX6Q/UL/SX. On i.MX7/8, + * all clock dividers provide these guarantee. + */ + if (GPMI_IS_MX6Q(this) || GPMI_IS_MX6SX(this)) + clk_disable_unprepare(r->clock[0]); - clk_set_rate(r->clock[0], hw->clk_rate); + ret = clk_set_rate(r->clock[0], hw->clk_rate); + if (ret) { + dev_err(this->dev, "cannot set clock rate to %lu Hz: %d\n", hw->clk_rate, ret); + return ret; + } + + if (GPMI_IS_MX6Q(this) || GPMI_IS_MX6SX(this)) { + ret = clk_prepare_enable(r->clock[0]); + if (ret) + return ret; + } writel(hw->timing0, gpmi_regs + HW_GPMI_TIMING0); writel(hw->timing1, gpmi_regs + HW_GPMI_TIMING1); @@ -736,6 +754,8 @@ static void gpmi_nfc_apply_timings(struct gpmi_nand_data *this) /* Wait for the DLL to settle. */ udelay(dll_wait_time_us); + + return 0; } static int gpmi_setup_data_interface(struct nand_chip *chip, int chipnr, @@ -1184,15 +1204,6 @@ static int gpmi_get_clks(struct gpmi_nand_data *this) r->clock[i] = clk; } - if (GPMI_IS_MX6(this)) - /* - * Set the default value for the gpmi clock. - * - * If you want to use the ONFI nand which is in the - * Synchronous Mode, you should change the clock as you need. - */ - clk_set_rate(r->clock[0], 22000000); - return 0; err_clock: @@ -2429,7 +2440,9 @@ static int gpmi_nfc_exec_op(struct nand_chip *chip, */ if (this->hw.must_apply_timings) { this->hw.must_apply_timings = false; - gpmi_nfc_apply_timings(this); + ret = gpmi_nfc_apply_timings(this); + if (ret) + return ret; } dev_dbg(this->dev, "%s: %d instructions\n", __func__, op->ninstrs); diff --git a/drivers/mtd/nand/raw/mpc5121_nfc.c b/drivers/mtd/nand/raw/mpc5121_nfc.c index 8b90def6686fbe2b7a4388d7a3942ed52bf7d3f7..a5eb0a1f559c7f0ebfa66a3fefe6996d96152e2e 100644 --- a/drivers/mtd/nand/raw/mpc5121_nfc.c +++ b/drivers/mtd/nand/raw/mpc5121_nfc.c @@ -290,7 +290,6 @@ static int ads5121_chipselect_init(struct mtd_info *mtd) /* Control chips select signal on ADS5121 board */ static void ads5121_select_chip(struct nand_chip *nand, int chip) { - struct mtd_info *mtd = nand_to_mtd(nand); struct mpc5121_nfc_prv *prv = nand_get_controller_data(nand); u8 v; diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c index e3b25f31093672084213ae29990365cd72626bd8..ed170d803247ae51032be14daed9c756e17a03a2 100644 --- a/drivers/net/bonding/bond_3ad.c +++ b/drivers/net/bonding/bond_3ad.c @@ -1013,8 +1013,8 @@ static void ad_mux_machine(struct port *port, bool *update_slave_arr) if (port->aggregator && port->aggregator->is_active && !__port_is_enabled(port)) { - __enable_port(port); + *update_slave_arr = true; } } break; @@ -1770,6 +1770,7 @@ static void ad_agg_selection_logic(struct aggregator *agg, port = port->next_port_in_aggregator) { __enable_port(port); } + *update_slave_arr = true; } } diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c index c81698550e5a78b091a761638ee35f887aacba1d..a4af185fa466dea05480335c481ce4db789cd07c 100644 --- a/drivers/net/bonding/bond_alb.c +++ b/drivers/net/bonding/bond_alb.c @@ -1514,14 +1514,14 @@ void bond_alb_monitor(struct work_struct *work) struct slave *slave; if (!bond_has_slaves(bond)) { - bond_info->tx_rebalance_counter = 0; + atomic_set(&bond_info->tx_rebalance_counter, 0); bond_info->lp_counter = 0; goto re_arm; } rcu_read_lock(); - bond_info->tx_rebalance_counter++; + atomic_inc(&bond_info->tx_rebalance_counter); bond_info->lp_counter++; /* send learning packets */ @@ -1543,7 +1543,7 @@ void bond_alb_monitor(struct work_struct *work) } /* rebalance tx traffic */ - if (bond_info->tx_rebalance_counter >= BOND_TLB_REBALANCE_TICKS) { + if (atomic_read(&bond_info->tx_rebalance_counter) >= BOND_TLB_REBALANCE_TICKS) { bond_for_each_slave_rcu(bond, slave, iter) { tlb_clear_slave(bond, slave, 1); if (slave == rcu_access_pointer(bond->curr_active_slave)) { @@ -1553,7 +1553,7 @@ void bond_alb_monitor(struct work_struct *work) bond_info->unbalanced_load = 0; } } - bond_info->tx_rebalance_counter = 0; + atomic_set(&bond_info->tx_rebalance_counter, 0); } if (bond_info->rlb_enabled) { @@ -1623,7 +1623,8 @@ int bond_alb_init_slave(struct bonding *bond, struct slave *slave) tlb_init_slave(slave); /* order a rebalance ASAP */ - bond->alb_info.tx_rebalance_counter = BOND_TLB_REBALANCE_TICKS; + atomic_set(&bond->alb_info.tx_rebalance_counter, + BOND_TLB_REBALANCE_TICKS); if (bond->alb_info.rlb_enabled) bond->alb_info.rlb_rebalance = 1; @@ -1660,7 +1661,8 @@ void bond_alb_handle_link_change(struct bonding *bond, struct slave *slave, char rlb_clear_slave(bond, slave); } else if (link == BOND_LINK_UP) { /* order a rebalance ASAP */ - bond_info->tx_rebalance_counter = BOND_TLB_REBALANCE_TICKS; + atomic_set(&bond_info->tx_rebalance_counter, + BOND_TLB_REBALANCE_TICKS); if (bond->alb_info.rlb_enabled) { bond->alb_info.rlb_rebalance = 1; /* If the updelay module parameter is smaller than the diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index a7eaf80f500c0b41af0cf17cc1e830d314be2144..ff50ccc7dceb1770a26fc2d8ad137cffe393fa3a 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -792,9 +792,6 @@ static bool bond_should_notify_peers(struct bonding *bond) slave = rcu_dereference(bond->curr_active_slave); rcu_read_unlock(); - netdev_dbg(bond->dev, "bond_should_notify_peers: slave %s\n", - slave ? slave->dev->name : "NULL"); - if (!slave || !bond->send_peer_notif || bond->send_peer_notif % max(1, bond->params.peer_notif_delay) != 0 || @@ -802,6 +799,9 @@ static bool bond_should_notify_peers(struct bonding *bond) test_bit(__LINK_STATE_LINKWATCH_PENDING, &slave->dev->state)) return false; + netdev_dbg(bond->dev, "bond_should_notify_peers: slave %s\n", + slave ? slave->dev->name : "NULL"); + return true; } diff --git a/drivers/net/bonding/bond_options.c b/drivers/net/bonding/bond_options.c index 215c1092328937a01531840ea9222fc5fe0e13a2..933087d85549afcaf55985f27a4c7a1f534822ce 100644 --- a/drivers/net/bonding/bond_options.c +++ b/drivers/net/bonding/bond_options.c @@ -1452,7 +1452,7 @@ static int bond_option_ad_actor_system_set(struct bonding *bond, mac = (u8 *)&newval->value; } - if (!is_valid_ether_addr(mac)) + if (is_multicast_ether_addr(mac)) goto err; netdev_dbg(bond->dev, "Setting ad_actor_system to %pM\n", mac); diff --git a/drivers/net/can/kvaser_pciefd.c b/drivers/net/can/kvaser_pciefd.c index e7a26ec9bdc11dbd33d24bf432dec048522f8be6..faa78d38d752b214b76ede28f76d61146d493092 100644 --- a/drivers/net/can/kvaser_pciefd.c +++ b/drivers/net/can/kvaser_pciefd.c @@ -248,6 +248,9 @@ MODULE_DESCRIPTION("CAN driver for Kvaser CAN/PCIe devices"); #define KVASER_PCIEFD_SPACK_EWLR BIT(23) #define KVASER_PCIEFD_SPACK_EPLR BIT(24) +/* Kvaser KCAN_EPACK second word */ +#define KVASER_PCIEFD_EPACK_DIR_TX BIT(0) + struct kvaser_pciefd; struct kvaser_pciefd_can { @@ -1283,7 +1286,10 @@ static int kvaser_pciefd_rx_error_frame(struct kvaser_pciefd_can *can, can->err_rep_cnt++; can->can.can_stats.bus_error++; - stats->rx_errors++; + if (p->header[1] & KVASER_PCIEFD_EPACK_DIR_TX) + stats->tx_errors++; + else + stats->rx_errors++; can->bec.txerr = bec.txerr; can->bec.rxerr = bec.rxerr; diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c index de275ccb4fd0b6d10dccbed3e76e9bce032da243..9ae3efce0f66b4a60322c645ffbe70b0bd4f9f66 100644 --- a/drivers/net/can/m_can/m_can.c +++ b/drivers/net/can/m_can/m_can.c @@ -206,15 +206,15 @@ enum m_can_reg { /* Interrupts for version 3.0.x */ #define IR_ERR_LEC_30X (IR_STE | IR_FOE | IR_ACKE | IR_BE | IR_CRCE) -#define IR_ERR_BUS_30X (IR_ERR_LEC_30X | IR_WDI | IR_ELO | IR_BEU | \ - IR_BEC | IR_TOO | IR_MRAF | IR_TSW | IR_TEFL | \ - IR_RF1L | IR_RF0L) +#define IR_ERR_BUS_30X (IR_ERR_LEC_30X | IR_WDI | IR_BEU | IR_BEC | \ + IR_TOO | IR_MRAF | IR_TSW | IR_TEFL | IR_RF1L | \ + IR_RF0L) #define IR_ERR_ALL_30X (IR_ERR_STATE | IR_ERR_BUS_30X) /* Interrupts for version >= 3.1.x */ #define IR_ERR_LEC_31X (IR_PED | IR_PEA) -#define IR_ERR_BUS_31X (IR_ERR_LEC_31X | IR_WDI | IR_ELO | IR_BEU | \ - IR_BEC | IR_TOO | IR_MRAF | IR_TSW | IR_TEFL | \ - IR_RF1L | IR_RF0L) +#define IR_ERR_BUS_31X (IR_ERR_LEC_31X | IR_WDI | IR_BEU | IR_BEC | \ + IR_TOO | IR_MRAF | IR_TSW | IR_TEFL | IR_RF1L | \ + IR_RF0L) #define IR_ERR_ALL_31X (IR_ERR_STATE | IR_ERR_BUS_31X) /* Interrupt Line Select (ILS) */ @@ -751,8 +751,6 @@ static void m_can_handle_other_err(struct net_device *dev, u32 irqstatus) { if (irqstatus & IR_WDI) netdev_err(dev, "Message RAM Watchdog event due to missing READY\n"); - if (irqstatus & IR_ELO) - netdev_err(dev, "Error Logging Overflow\n"); if (irqstatus & IR_BEU) netdev_err(dev, "Bit Error Uncorrected\n"); if (irqstatus & IR_BEC) diff --git a/drivers/net/can/pch_can.c b/drivers/net/can/pch_can.c index db41dddd57716924194f8267a12ab7015ac3f52c..e90651f7b2eafd1bebecf622bda4cd76951cf085 100644 --- a/drivers/net/can/pch_can.c +++ b/drivers/net/can/pch_can.c @@ -692,11 +692,11 @@ static int pch_can_rx_normal(struct net_device *ndev, u32 obj_num, int quota) cf->data[i + 1] = data_reg >> 8; } - netif_receive_skb(skb); rcv_pkts++; stats->rx_packets++; quota--; stats->rx_bytes += cf->can_dlc; + netif_receive_skb(skb); pch_fifo_thresh(priv, obj_num); obj_num++; diff --git a/drivers/net/can/sja1000/ems_pcmcia.c b/drivers/net/can/sja1000/ems_pcmcia.c index 770304eaef950386f0754c7f35854bf94005001f..80b30768d9c6c589c0bc64786dae3d204aa718eb 100644 --- a/drivers/net/can/sja1000/ems_pcmcia.c +++ b/drivers/net/can/sja1000/ems_pcmcia.c @@ -235,7 +235,12 @@ static int ems_pcmcia_add_card(struct pcmcia_device *pdev, unsigned long base) free_sja1000dev(dev); } - err = request_irq(dev->irq, &ems_pcmcia_interrupt, IRQF_SHARED, + if (!card->channels) { + err = -ENODEV; + goto failure_cleanup; + } + + err = request_irq(pdev->irq, &ems_pcmcia_interrupt, IRQF_SHARED, DRV_NAME, card); if (!err) return 0; diff --git a/drivers/net/can/softing/softing_cs.c b/drivers/net/can/softing/softing_cs.c index 2e93ee79237395e310b5f16e0ef15aa77e427111..e5c939b63fa65889e34e274aaee1426a349b056e 100644 --- a/drivers/net/can/softing/softing_cs.c +++ b/drivers/net/can/softing/softing_cs.c @@ -293,7 +293,7 @@ static int softingcs_probe(struct pcmcia_device *pcmcia) return 0; platform_failed: - kfree(dev); + platform_device_put(pdev); mem_failed: pcmcia_bad: pcmcia_failed: diff --git a/drivers/net/can/softing/softing_fw.c b/drivers/net/can/softing/softing_fw.c index 8f44fdd8804bf8902174395210ca1b7a1902c844..1c2afa17c26d1e3408a19fb19328f5caa55bb0d6 100644 --- a/drivers/net/can/softing/softing_fw.c +++ b/drivers/net/can/softing/softing_fw.c @@ -565,18 +565,19 @@ int softing_startstop(struct net_device *dev, int up) if (ret < 0) goto failed; } - /* enable_error_frame */ - /* + + /* enable_error_frame + * * Error reporting is switched off at the moment since * the receiving of them is not yet 100% verified * This should be enabled sooner or later - * - if (error_reporting) { + */ + if (0 && error_reporting) { ret = softing_fct_cmd(card, 51, "enable_error_frame"); if (ret < 0) goto failed; } - */ + /* initialize interface */ iowrite16(1, &card->dpram[DPRAM_FCT_PARAM + 2]); iowrite16(1, &card->dpram[DPRAM_FCT_PARAM + 4]); diff --git a/drivers/net/can/usb/gs_usb.c b/drivers/net/can/usb/gs_usb.c index 0ad13d78815c52d62f31ad1be8168c05083e942e..8b4c1bb77c334ac89ca89dc42badb20f494e735e 100644 --- a/drivers/net/can/usb/gs_usb.c +++ b/drivers/net/can/usb/gs_usb.c @@ -320,7 +320,7 @@ static void gs_usb_receive_bulk_callback(struct urb *urb) /* device reports out of range channel id */ if (hf->channel >= GS_MAX_INTF) - goto resubmit_urb; + goto device_detach; dev = usbcan->canch[hf->channel]; @@ -405,6 +405,7 @@ static void gs_usb_receive_bulk_callback(struct urb *urb) /* USB failure take down all interfaces */ if (rc == -ENODEV) { + device_detach: for (rc = 0; rc < GS_MAX_INTF; rc++) { if (usbcan->canch[rc]) netif_device_detach(usbcan->canch[rc]->netdev); @@ -506,6 +507,8 @@ static netdev_tx_t gs_can_start_xmit(struct sk_buff *skb, hf->echo_id = idx; hf->channel = dev->channel; + hf->flags = 0; + hf->reserved = 0; cf = (struct can_frame *)skb->data; diff --git a/drivers/net/can/usb/kvaser_usb/kvaser_usb_leaf.c b/drivers/net/can/usb/kvaser_usb/kvaser_usb_leaf.c index 1b9957f12459a9780ac9e94a73fa773cca6483de..8b5d1add899a60143d7d7d0563ed4b81376b90e1 100644 --- a/drivers/net/can/usb/kvaser_usb/kvaser_usb_leaf.c +++ b/drivers/net/can/usb/kvaser_usb/kvaser_usb_leaf.c @@ -28,10 +28,6 @@ #include "kvaser_usb.h" -/* Forward declaration */ -static const struct kvaser_usb_dev_cfg kvaser_usb_leaf_dev_cfg; - -#define CAN_USB_CLOCK 8000000 #define MAX_USBCAN_NET_DEVICES 2 /* Command header size */ @@ -80,6 +76,12 @@ static const struct kvaser_usb_dev_cfg kvaser_usb_leaf_dev_cfg; #define CMD_LEAF_LOG_MESSAGE 106 +/* Leaf frequency options */ +#define KVASER_USB_LEAF_SWOPTION_FREQ_MASK 0x60 +#define KVASER_USB_LEAF_SWOPTION_FREQ_16_MHZ_CLK 0 +#define KVASER_USB_LEAF_SWOPTION_FREQ_32_MHZ_CLK BIT(5) +#define KVASER_USB_LEAF_SWOPTION_FREQ_24_MHZ_CLK BIT(6) + /* error factors */ #define M16C_EF_ACKE BIT(0) #define M16C_EF_CRCE BIT(1) @@ -340,6 +342,50 @@ struct kvaser_usb_err_summary { }; }; +static const struct can_bittiming_const kvaser_usb_leaf_bittiming_const = { + .name = "kvaser_usb", + .tseg1_min = KVASER_USB_TSEG1_MIN, + .tseg1_max = KVASER_USB_TSEG1_MAX, + .tseg2_min = KVASER_USB_TSEG2_MIN, + .tseg2_max = KVASER_USB_TSEG2_MAX, + .sjw_max = KVASER_USB_SJW_MAX, + .brp_min = KVASER_USB_BRP_MIN, + .brp_max = KVASER_USB_BRP_MAX, + .brp_inc = KVASER_USB_BRP_INC, +}; + +static const struct kvaser_usb_dev_cfg kvaser_usb_leaf_dev_cfg_8mhz = { + .clock = { + .freq = 8000000, + }, + .timestamp_freq = 1, + .bittiming_const = &kvaser_usb_leaf_bittiming_const, +}; + +static const struct kvaser_usb_dev_cfg kvaser_usb_leaf_dev_cfg_16mhz = { + .clock = { + .freq = 16000000, + }, + .timestamp_freq = 1, + .bittiming_const = &kvaser_usb_leaf_bittiming_const, +}; + +static const struct kvaser_usb_dev_cfg kvaser_usb_leaf_dev_cfg_24mhz = { + .clock = { + .freq = 24000000, + }, + .timestamp_freq = 1, + .bittiming_const = &kvaser_usb_leaf_bittiming_const, +}; + +static const struct kvaser_usb_dev_cfg kvaser_usb_leaf_dev_cfg_32mhz = { + .clock = { + .freq = 32000000, + }, + .timestamp_freq = 1, + .bittiming_const = &kvaser_usb_leaf_bittiming_const, +}; + static void * kvaser_usb_leaf_frame_to_cmd(const struct kvaser_usb_net_priv *priv, const struct sk_buff *skb, int *frame_len, @@ -471,6 +517,27 @@ static int kvaser_usb_leaf_send_simple_cmd(const struct kvaser_usb *dev, return rc; } +static void kvaser_usb_leaf_get_software_info_leaf(struct kvaser_usb *dev, + const struct leaf_cmd_softinfo *softinfo) +{ + u32 sw_options = le32_to_cpu(softinfo->sw_options); + + dev->fw_version = le32_to_cpu(softinfo->fw_version); + dev->max_tx_urbs = le16_to_cpu(softinfo->max_outstanding_tx); + + switch (sw_options & KVASER_USB_LEAF_SWOPTION_FREQ_MASK) { + case KVASER_USB_LEAF_SWOPTION_FREQ_16_MHZ_CLK: + dev->cfg = &kvaser_usb_leaf_dev_cfg_16mhz; + break; + case KVASER_USB_LEAF_SWOPTION_FREQ_24_MHZ_CLK: + dev->cfg = &kvaser_usb_leaf_dev_cfg_24mhz; + break; + case KVASER_USB_LEAF_SWOPTION_FREQ_32_MHZ_CLK: + dev->cfg = &kvaser_usb_leaf_dev_cfg_32mhz; + break; + } +} + static int kvaser_usb_leaf_get_software_info_inner(struct kvaser_usb *dev) { struct kvaser_cmd cmd; @@ -486,14 +553,13 @@ static int kvaser_usb_leaf_get_software_info_inner(struct kvaser_usb *dev) switch (dev->card_data.leaf.family) { case KVASER_LEAF: - dev->fw_version = le32_to_cpu(cmd.u.leaf.softinfo.fw_version); - dev->max_tx_urbs = - le16_to_cpu(cmd.u.leaf.softinfo.max_outstanding_tx); + kvaser_usb_leaf_get_software_info_leaf(dev, &cmd.u.leaf.softinfo); break; case KVASER_USBCAN: dev->fw_version = le32_to_cpu(cmd.u.usbcan.softinfo.fw_version); dev->max_tx_urbs = le16_to_cpu(cmd.u.usbcan.softinfo.max_outstanding_tx); + dev->cfg = &kvaser_usb_leaf_dev_cfg_8mhz; break; } @@ -1225,24 +1291,11 @@ static int kvaser_usb_leaf_init_card(struct kvaser_usb *dev) { struct kvaser_usb_dev_card_data *card_data = &dev->card_data; - dev->cfg = &kvaser_usb_leaf_dev_cfg; card_data->ctrlmode_supported |= CAN_CTRLMODE_3_SAMPLES; return 0; } -static const struct can_bittiming_const kvaser_usb_leaf_bittiming_const = { - .name = "kvaser_usb", - .tseg1_min = KVASER_USB_TSEG1_MIN, - .tseg1_max = KVASER_USB_TSEG1_MAX, - .tseg2_min = KVASER_USB_TSEG2_MIN, - .tseg2_max = KVASER_USB_TSEG2_MAX, - .sjw_max = KVASER_USB_SJW_MAX, - .brp_min = KVASER_USB_BRP_MIN, - .brp_max = KVASER_USB_BRP_MAX, - .brp_inc = KVASER_USB_BRP_INC, -}; - static int kvaser_usb_leaf_set_bittiming(struct net_device *netdev) { struct kvaser_usb_net_priv *priv = netdev_priv(netdev); @@ -1348,11 +1401,3 @@ const struct kvaser_usb_dev_ops kvaser_usb_leaf_dev_ops = { .dev_read_bulk_callback = kvaser_usb_leaf_read_bulk_callback, .dev_frame_to_cmd = kvaser_usb_leaf_frame_to_cmd, }; - -static const struct kvaser_usb_dev_cfg kvaser_usb_leaf_dev_cfg = { - .clock = { - .freq = CAN_USB_CLOCK, - }, - .timestamp_freq = 1, - .bittiming_const = &kvaser_usb_leaf_bittiming_const, -}; diff --git a/drivers/net/can/xilinx_can.c b/drivers/net/can/xilinx_can.c index 0de39ebb356626bc219e0fe304727a1627e257ee..008d3d492bd1c6c896e3f81f43c4d02dce20e7b3 100644 --- a/drivers/net/can/xilinx_can.c +++ b/drivers/net/can/xilinx_can.c @@ -1753,7 +1753,12 @@ static int xcan_probe(struct platform_device *pdev) spin_lock_init(&priv->tx_lock); /* Get IRQ for the device */ - ndev->irq = platform_get_irq(pdev, 0); + ret = platform_get_irq(pdev, 0); + if (ret < 0) + goto err_free; + + ndev->irq = ret; + ndev->flags |= IFF_ECHO; /* We support local echo */ platform_set_drvdata(pdev, ndev); diff --git a/drivers/net/ethernet/altera/altera_tse_main.c b/drivers/net/ethernet/altera/altera_tse_main.c index bb032be7fe31edf950f04754608bec104e885665..1f8c3b669dc14c28712c8656bcbe4b750c9c469c 100644 --- a/drivers/net/ethernet/altera/altera_tse_main.c +++ b/drivers/net/ethernet/altera/altera_tse_main.c @@ -1431,16 +1431,19 @@ static int altera_tse_probe(struct platform_device *pdev) priv->rxdescmem_busaddr = dma_res->start; } else { + ret = -ENODEV; goto err_free_netdev; } - if (!dma_set_mask(priv->device, DMA_BIT_MASK(priv->dmaops->dmamask))) + if (!dma_set_mask(priv->device, DMA_BIT_MASK(priv->dmaops->dmamask))) { dma_set_coherent_mask(priv->device, DMA_BIT_MASK(priv->dmaops->dmamask)); - else if (!dma_set_mask(priv->device, DMA_BIT_MASK(32))) + } else if (!dma_set_mask(priv->device, DMA_BIT_MASK(32))) { dma_set_coherent_mask(priv->device, DMA_BIT_MASK(32)); - else + } else { + ret = -EIO; goto err_free_netdev; + } /* MAC address space */ ret = request_and_map(pdev, "control_port", &control_port, diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c index da8c2c4aca7ef069436082efbf722e1196372d61..0442d7e1cd20bd6adc7e98fdceb4cab90876295b 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c @@ -721,7 +721,9 @@ static void xgbe_stop_timers(struct xgbe_prv_data *pdata) if (!channel->tx_ring) break; + /* Deactivate the Tx timer */ del_timer_sync(&channel->tx_timer); + channel->tx_timer_active = 0; } } @@ -2765,6 +2767,14 @@ static int xgbe_rx_poll(struct xgbe_channel *channel, int budget) buf2_len = xgbe_rx_buf2_len(rdata, packet, len); len += buf2_len; + if (buf2_len > rdata->rx.buf.dma_len) { + /* Hardware inconsistency within the descriptors + * that has resulted in a length underflow. + */ + error = 1; + goto skip_data; + } + if (!skb) { skb = xgbe_create_skb(pdata, napi, rdata, buf1_len); @@ -2794,8 +2804,10 @@ static int xgbe_rx_poll(struct xgbe_channel *channel, int budget) if (!last || context_next) goto read_again; - if (!skb) + if (!skb || error) { + dev_kfree_skb(skb); goto next_packet; + } /* Be sure we don't exceed the configured MTU */ max_len = netdev->mtu + ETH_HLEN; diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-pci.c b/drivers/net/ethernet/amd/xgbe/xgbe-pci.c index 7b86240ecd5fef3f66782c3dc116ae042dc49b20..c4f1fc97987ae0c9724b814106b551eb966cb6fe 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-pci.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-pci.c @@ -418,6 +418,9 @@ static void xgbe_pci_remove(struct pci_dev *pdev) pci_free_irq_vectors(pdata->pcidev); + /* Disable all interrupts in the hardware */ + XP_IOWRITE(pdata, XP_INT_EN, 0x0); + xgbe_free_pdata(pdata); } diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c index 03821b46a8cb4090c9d1cb0fdc71d8a284236bd2..4c22f119ac62f79d54a3818458869e975ec93d24 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c @@ -305,6 +305,10 @@ int aq_ring_rx_clean(struct aq_ring_s *self, if (!buff->is_eop) { buff_ = buff; do { + if (buff_->next >= self->size) { + err = -EIO; + goto err_exit; + } next_ = buff_->next, buff_ = &self->buff_ring[next_]; is_rsc_completed = @@ -327,6 +331,10 @@ int aq_ring_rx_clean(struct aq_ring_s *self, if (buff->is_error || buff->is_cso_err) { buff_ = buff; do { + if (buff_->next >= self->size) { + err = -EIO; + goto err_exit; + } next_ = buff_->next, buff_ = &self->buff_ring[next_]; diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c index 873f9865f0d1528ff2338a535b132d4edad68aa6..b7d70c33459fd15048cbc3f7f8f66e845433ebac 100644 --- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c +++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c @@ -481,6 +481,11 @@ int hw_atl_utils_fw_rpc_wait(struct aq_hw_s *self, goto err_exit; if (fw.len == 0xFFFFU) { + if (sw.len > sizeof(self->rpc)) { + printk(KERN_INFO "Invalid sw len: %x\n", sw.len); + err = -EINVAL; + goto err_exit; + } err = hw_atl_utils_fw_rpc_call(self, sw.len); if (err < 0) goto err_exit; @@ -489,6 +494,11 @@ int hw_atl_utils_fw_rpc_wait(struct aq_hw_s *self, if (rpc) { if (fw.len) { + if (fw.len > sizeof(self->rpc)) { + printk(KERN_INFO "Invalid fw len: %x\n", fw.len); + err = -EINVAL; + goto err_exit; + } err = hw_atl_utils_fw_downld_dwords(self, self->rpc_addr, diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c index 470d12e308814d4ef48c66c81514391e98a6c183..5a2094a281e157d9ad076caf96405e197d1afedb 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.c +++ b/drivers/net/ethernet/broadcom/bcmsysport.c @@ -1277,11 +1277,11 @@ static netdev_tx_t bcm_sysport_xmit(struct sk_buff *skb, struct bcm_sysport_priv *priv = netdev_priv(dev); struct device *kdev = &priv->pdev->dev; struct bcm_sysport_tx_ring *ring; + unsigned long flags, desc_flags; struct bcm_sysport_cb *cb; struct netdev_queue *txq; u32 len_status, addr_lo; unsigned int skb_len; - unsigned long flags; dma_addr_t mapping; u16 queue; int ret; @@ -1339,8 +1339,10 @@ static netdev_tx_t bcm_sysport_xmit(struct sk_buff *skb, ring->desc_count--; /* Ports are latched, so write upper address first */ + spin_lock_irqsave(&priv->desc_lock, desc_flags); tdma_writel(priv, len_status, TDMA_WRITE_PORT_HI(ring->index)); tdma_writel(priv, addr_lo, TDMA_WRITE_PORT_LO(ring->index)); + spin_unlock_irqrestore(&priv->desc_lock, desc_flags); /* Check ring space and update SW control flow */ if (ring->desc_count == 0) @@ -1970,6 +1972,7 @@ static int bcm_sysport_open(struct net_device *dev) } /* Initialize both hardware and software ring */ + spin_lock_init(&priv->desc_lock); for (i = 0; i < dev->num_tx_queues; i++) { ret = bcm_sysport_init_tx_ring(priv, i); if (ret) { diff --git a/drivers/net/ethernet/broadcom/bcmsysport.h b/drivers/net/ethernet/broadcom/bcmsysport.h index 6d80735fbc7f4f1387ed325752a8a5e82da4424e..57336ca3f4277783fdc144d51f97c9de099bef4a 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.h +++ b/drivers/net/ethernet/broadcom/bcmsysport.h @@ -742,6 +742,7 @@ struct bcm_sysport_priv { int wol_irq; /* Transmit rings */ + spinlock_t desc_lock; struct bcm_sysport_tx_ring *tx_rings; /* Receive queue */ diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_init_ops.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_init_ops.h index 1835d2e451c0139e272e400774b0d6d19487df98..fc7fce642666ceab237461a33bf1ee051eef50b2 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_init_ops.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_init_ops.h @@ -635,11 +635,13 @@ static int bnx2x_ilt_client_mem_op(struct bnx2x *bp, int cli_num, { int i, rc; struct bnx2x_ilt *ilt = BP_ILT(bp); - struct ilt_client_info *ilt_cli = &ilt->clients[cli_num]; + struct ilt_client_info *ilt_cli; if (!ilt || !ilt->lines) return -1; + ilt_cli = &ilt->clients[cli_num]; + if (ilt_cli->flags & (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM)) return 0; diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index c2a1fa75b2147db68d00a722c2443f1f19ae69b1..2affdddc12bf6b08c2ed09f5aa7c28d020897750 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -3507,10 +3507,12 @@ static int bcmgenet_probe(struct platform_device *pdev) /* Request the WOL interrupt and advertise suspend if available */ priv->wol_irq_disabled = true; - err = devm_request_irq(&pdev->dev, priv->wol_irq, bcmgenet_wol_isr, 0, - dev->name, priv); - if (!err) - device_set_wakeup_capable(&pdev->dev, 1); + if (priv->wol_irq > 0) { + err = devm_request_irq(&pdev->dev, priv->wol_irq, + bcmgenet_wol_isr, 0, dev->name, priv); + if (!err) + device_set_wakeup_capable(&pdev->dev, 1); + } /* Set the needed headroom to account for any possible * features enabling/disabling at runtime diff --git a/drivers/net/ethernet/chelsio/libcxgb/libcxgb_cm.c b/drivers/net/ethernet/chelsio/libcxgb/libcxgb_cm.c index d04a6c1634452034217e9dc4ab8771bf02899b86..da8d10475a08e6e23c466b6f62637f7c840e86bd 100644 --- a/drivers/net/ethernet/chelsio/libcxgb/libcxgb_cm.c +++ b/drivers/net/ethernet/chelsio/libcxgb/libcxgb_cm.c @@ -32,6 +32,7 @@ #include #include +#include #include #include @@ -99,7 +100,7 @@ cxgb_find_route(struct cxgb4_lld_info *lldi, rt = ip_route_output_ports(&init_net, &fl4, NULL, peer_ip, local_ip, peer_port, local_port, IPPROTO_TCP, - tos, 0); + tos & ~INET_ECN_MASK, 0); if (IS_ERR(rt)) return NULL; n = dst_neigh_lookup(&rt->dst, &peer_ip); diff --git a/drivers/net/ethernet/cortina/gemini.c b/drivers/net/ethernet/cortina/gemini.c index c9fb1ec625d8b3dcd6a5676cbc1579c9a0c5703f..a8a8b77c1611e20f612319fb20464d0962194b57 100644 --- a/drivers/net/ethernet/cortina/gemini.c +++ b/drivers/net/ethernet/cortina/gemini.c @@ -304,21 +304,21 @@ static void gmac_speed_set(struct net_device *netdev) switch (phydev->speed) { case 1000: status.bits.speed = GMAC_SPEED_1000; - if (phydev->interface == PHY_INTERFACE_MODE_RGMII) + if (phy_interface_mode_is_rgmii(phydev->interface)) status.bits.mii_rmii = GMAC_PHY_RGMII_1000; netdev_dbg(netdev, "connect %s to RGMII @ 1Gbit\n", phydev_name(phydev)); break; case 100: status.bits.speed = GMAC_SPEED_100; - if (phydev->interface == PHY_INTERFACE_MODE_RGMII) + if (phy_interface_mode_is_rgmii(phydev->interface)) status.bits.mii_rmii = GMAC_PHY_RGMII_100_10; netdev_dbg(netdev, "connect %s to RGMII @ 100 Mbit\n", phydev_name(phydev)); break; case 10: status.bits.speed = GMAC_SPEED_10; - if (phydev->interface == PHY_INTERFACE_MODE_RGMII) + if (phy_interface_mode_is_rgmii(phydev->interface)) status.bits.mii_rmii = GMAC_PHY_RGMII_100_10; netdev_dbg(netdev, "connect %s to RGMII @ 10 Mbit\n", phydev_name(phydev)); @@ -388,6 +388,9 @@ static int gmac_setup_phy(struct net_device *netdev) status.bits.mii_rmii = GMAC_PHY_GMII; break; case PHY_INTERFACE_MODE_RGMII: + case PHY_INTERFACE_MODE_RGMII_ID: + case PHY_INTERFACE_MODE_RGMII_TXID: + case PHY_INTERFACE_MODE_RGMII_RXID: netdev_dbg(netdev, "RGMII: set GMAC0 and GMAC1 to MII/RGMII mode\n"); status.bits.mii_rmii = GMAC_PHY_RGMII_100_10; diff --git a/drivers/net/ethernet/dec/tulip/de4x5.c b/drivers/net/ethernet/dec/tulip/de4x5.c index c813e6f2b371eb81ff006183ac94e678f2f9df8b..c97fc0e384ca66587ee62d9f023dc6c922d7527f 100644 --- a/drivers/net/ethernet/dec/tulip/de4x5.c +++ b/drivers/net/ethernet/dec/tulip/de4x5.c @@ -4708,6 +4708,10 @@ type3_infoblock(struct net_device *dev, u_char count, u_char *p) lp->ibn = 3; lp->active = *p++; if (MOTO_SROM_BUG) lp->active = 0; + /* if (MOTO_SROM_BUG) statement indicates lp->active could + * be 8 (i.e. the size of array lp->phy) */ + if (WARN_ON(lp->active >= ARRAY_SIZE(lp->phy))) + return -EINVAL; lp->phy[lp->active].gep = (*p ? p : NULL); p += (2 * (*p) + 1); lp->phy[lp->active].rst = (*p ? p : NULL); p += (2 * (*p) + 1); lp->phy[lp->active].mc = get_unaligned_le16(p); p += 2; @@ -4999,19 +5003,23 @@ mii_get_phy(struct net_device *dev) } if ((j == limit) && (i < DE4X5_MAX_MII)) { for (k=0; k < DE4X5_MAX_PHY && lp->phy[k].id; k++); - lp->phy[k].addr = i; - lp->phy[k].id = id; - lp->phy[k].spd.reg = GENERIC_REG; /* ANLPA register */ - lp->phy[k].spd.mask = GENERIC_MASK; /* 100Mb/s technologies */ - lp->phy[k].spd.value = GENERIC_VALUE; /* TX & T4, H/F Duplex */ - lp->mii_cnt++; - lp->active++; - printk("%s: Using generic MII device control. If the board doesn't operate,\nplease mail the following dump to the author:\n", dev->name); - j = de4x5_debug; - de4x5_debug |= DEBUG_MII; - de4x5_dbg_mii(dev, k); - de4x5_debug = j; - printk("\n"); + if (k < DE4X5_MAX_PHY) { + lp->phy[k].addr = i; + lp->phy[k].id = id; + lp->phy[k].spd.reg = GENERIC_REG; /* ANLPA register */ + lp->phy[k].spd.mask = GENERIC_MASK; /* 100Mb/s technologies */ + lp->phy[k].spd.value = GENERIC_VALUE; /* TX & T4, H/F Duplex */ + lp->mii_cnt++; + lp->active++; + printk("%s: Using generic MII device control. If the board doesn't operate,\nplease mail the following dump to the author:\n", dev->name); + j = de4x5_debug; + de4x5_debug |= DEBUG_MII; + de4x5_dbg_mii(dev, k); + de4x5_debug = j; + printk("\n"); + } else { + goto purgatory; + } } } purgatory: diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c index 7af7cc7c8669aa2cbf6e60db63662c18f63ee149..34540e604f74862c6f815254fdc08c1e4eb51afa 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c @@ -3616,10 +3616,10 @@ static int dpaa2_eth_remove(struct fsl_mc_device *ls_dev) fsl_mc_portal_free(priv->mc_io); - free_netdev(net_dev); - dev_dbg(net_dev->dev.parent, "Removed interface %s\n", net_dev->name); + free_netdev(net_dev); + return 0; } diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h index d89568f810bc4642fbb09ddc866afbda5cf68b1a..5163e06a7dd7dcd012c4478c437a4884d845d667 100644 --- a/drivers/net/ethernet/freescale/fec.h +++ b/drivers/net/ethernet/freescale/fec.h @@ -373,6 +373,9 @@ struct bufdesc_ex { #define FEC_ENET_WAKEUP ((uint)0x00020000) /* Wakeup request */ #define FEC_ENET_TXF (FEC_ENET_TXF_0 | FEC_ENET_TXF_1 | FEC_ENET_TXF_2) #define FEC_ENET_RXF (FEC_ENET_RXF_0 | FEC_ENET_RXF_1 | FEC_ENET_RXF_2) +#define FEC_ENET_RXF_GET(X) (((X) == 0) ? FEC_ENET_RXF_0 : \ + (((X) == 1) ? FEC_ENET_RXF_1 : \ + FEC_ENET_RXF_2)) #define FEC_ENET_TS_AVAIL ((uint)0x00010000) #define FEC_ENET_TS_TIMER ((uint)0x00008000) diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index a53c2d637a9710d5eb8f9f731a2b15cf2eb243a9..a31f891d51fbcb5cf64b92a26d3d482850dcabef 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -1444,7 +1444,7 @@ fec_enet_rx_queue(struct net_device *ndev, int budget, u16 queue_id) break; pkt_received++; - writel(FEC_ENET_RXF, fep->hwp + FEC_IEVENT); + writel(FEC_ENET_RXF_GET(queue_id), fep->hwp + FEC_IEVENT); /* Check for errors. */ status ^= BD_ENET_RX_LAST; diff --git a/drivers/net/ethernet/freescale/fman/fman_port.c b/drivers/net/ethernet/freescale/fman/fman_port.c index 47f6fee1f396436ecb8524675eda721379ee8e9b..1812434cda847a6dd2db63e1e8848f80864fc978 100644 --- a/drivers/net/ethernet/freescale/fman/fman_port.c +++ b/drivers/net/ethernet/freescale/fman/fman_port.c @@ -1791,7 +1791,7 @@ static int fman_port_probe(struct platform_device *of_dev) fman = dev_get_drvdata(&fm_pdev->dev); if (!fman) { err = -EINVAL; - goto return_err; + goto put_device; } err = of_property_read_u32(port_node, "cell-index", &val); @@ -1799,7 +1799,7 @@ static int fman_port_probe(struct platform_device *of_dev) dev_err(port->dev, "%s: reading cell-index for %pOF failed\n", __func__, port_node); err = -EINVAL; - goto return_err; + goto put_device; } port_id = (u8)val; port->dts_params.id = port_id; @@ -1833,7 +1833,7 @@ static int fman_port_probe(struct platform_device *of_dev) } else { dev_err(port->dev, "%s: Illegal port type\n", __func__); err = -EINVAL; - goto return_err; + goto put_device; } port->dts_params.type = port_type; @@ -1847,7 +1847,7 @@ static int fman_port_probe(struct platform_device *of_dev) dev_err(port->dev, "%s: incorrect qman-channel-id\n", __func__); err = -EINVAL; - goto return_err; + goto put_device; } port->dts_params.qman_channel_id = qman_channel_id; } @@ -1857,7 +1857,7 @@ static int fman_port_probe(struct platform_device *of_dev) dev_err(port->dev, "%s: of_address_to_resource() failed\n", __func__); err = -ENOMEM; - goto return_err; + goto put_device; } port->dts_params.fman = fman; @@ -1882,6 +1882,8 @@ static int fman_port_probe(struct platform_device *of_dev) return 0; +put_device: + put_device(&fm_pdev->dev); return_err: of_node_put(port_node); free_port: diff --git a/drivers/net/ethernet/freescale/fman/mac.c b/drivers/net/ethernet/freescale/fman/mac.c index 7ab8095db1928a68a36810161d644b0b0b60c260..147126e79986c8de0c98b3ae469fc2a4aab05bea 100644 --- a/drivers/net/ethernet/freescale/fman/mac.c +++ b/drivers/net/ethernet/freescale/fman/mac.c @@ -94,14 +94,17 @@ static void mac_exception(void *handle, enum fman_mac_exceptions ex) __func__, ex); } -static void set_fman_mac_params(struct mac_device *mac_dev, - struct fman_mac_params *params) +static int set_fman_mac_params(struct mac_device *mac_dev, + struct fman_mac_params *params) { struct mac_priv_s *priv = mac_dev->priv; params->base_addr = (typeof(params->base_addr)) devm_ioremap(priv->dev, mac_dev->res->start, resource_size(mac_dev->res)); + if (!params->base_addr) + return -ENOMEM; + memcpy(¶ms->addr, mac_dev->addr, sizeof(mac_dev->addr)); params->max_speed = priv->max_speed; params->phy_if = mac_dev->phy_if; @@ -112,6 +115,8 @@ static void set_fman_mac_params(struct mac_device *mac_dev, params->event_cb = mac_exception; params->dev_id = mac_dev; params->internal_phy_node = priv->internal_phy_node; + + return 0; } static int tgec_initialization(struct mac_device *mac_dev) @@ -123,7 +128,9 @@ static int tgec_initialization(struct mac_device *mac_dev) priv = mac_dev->priv; - set_fman_mac_params(mac_dev, ¶ms); + err = set_fman_mac_params(mac_dev, ¶ms); + if (err) + goto _return; mac_dev->fman_mac = tgec_config(¶ms); if (!mac_dev->fman_mac) { @@ -169,7 +176,9 @@ static int dtsec_initialization(struct mac_device *mac_dev) priv = mac_dev->priv; - set_fman_mac_params(mac_dev, ¶ms); + err = set_fman_mac_params(mac_dev, ¶ms); + if (err) + goto _return; mac_dev->fman_mac = dtsec_config(¶ms); if (!mac_dev->fman_mac) { @@ -218,7 +227,9 @@ static int memac_initialization(struct mac_device *mac_dev) priv = mac_dev->priv; - set_fman_mac_params(mac_dev, ¶ms); + err = set_fman_mac_params(mac_dev, ¶ms); + if (err) + goto _return; if (priv->max_speed == SPEED_10000) params.phy_if = PHY_INTERFACE_MODE_XGMII; diff --git a/drivers/net/ethernet/freescale/xgmac_mdio.c b/drivers/net/ethernet/freescale/xgmac_mdio.c index c82c85ef5fb3407d1a0016573b325dd39e068ffa..c37aea7ba8502cb6b7dc8a97f3d63f21e6bb6773 100644 --- a/drivers/net/ethernet/freescale/xgmac_mdio.c +++ b/drivers/net/ethernet/freescale/xgmac_mdio.c @@ -301,9 +301,10 @@ static int xgmac_mdio_probe(struct platform_device *pdev) static int xgmac_mdio_remove(struct platform_device *pdev) { struct mii_bus *bus = platform_get_drvdata(pdev); + struct mdio_fsl_priv *priv = bus->priv; mdiobus_unregister(bus); - iounmap(bus->priv); + iounmap(priv->mdio_base); mdiobus_free(bus); return 0; diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c index ed3829ae4ef1b596fbcc10b688439afa69c683f7..580199fdd0c22a072820a2362744135e78ac1f76 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c @@ -398,6 +398,10 @@ static void hns_dsaf_ge_srst_by_port(struct dsaf_device *dsaf_dev, u32 port, return; if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) { + /* DSAF_MAX_PORT_NUM is 6, but DSAF_GE_NUM is 8. + We need check to prevent array overflow */ + if (port >= DSAF_MAX_PORT_NUM) + return; reg_val_1 = 0x1 << port; port_rst_off = dsaf_dev->mac_cb[port]->port_rst_off; /* there is difference between V1 and V2 in register.*/ diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c index db2e9dd5681ebcee5426b42bdd4248b64469a918..403c1b9cf6ab823321ab6d0266b37ae68dd1a6d9 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c @@ -644,9 +644,9 @@ static int hclgevf_set_rss_tc_mode(struct hclgevf_dev *hdev, u16 rss_size) roundup_size = ilog2(roundup_size); for (i = 0; i < HCLGEVF_MAX_TC_NUM; i++) { - tc_valid[i] = !!(hdev->hw_tc_map & BIT(i)); + tc_valid[i] = 1; tc_size[i] = roundup_size; - tc_offset[i] = rss_size * i; + tc_offset[i] = (hdev->hw_tc_map & BIT(i)) ? rss_size * i : 0; } hclgevf_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_RSS_TC_MODE, false); @@ -1970,8 +1970,7 @@ static irqreturn_t hclgevf_misc_irq_handle(int irq, void *data) break; } - if (event_cause != HCLGEVF_VECTOR0_EVENT_OTHER) - hclgevf_enable_vector(&hdev->misc_vector, true); + hclgevf_enable_vector(&hdev->misc_vector, true); return IRQ_HANDLED; } diff --git a/drivers/net/ethernet/i825xx/sni_82596.c b/drivers/net/ethernet/i825xx/sni_82596.c index 6436a98c5953fcd92ad37e1436e784b53b39c709..90e237fdfbd0e3559ba6ef3d7282775935e85f0a 100644 --- a/drivers/net/ethernet/i825xx/sni_82596.c +++ b/drivers/net/ethernet/i825xx/sni_82596.c @@ -123,9 +123,10 @@ static int sni_82596_probe(struct platform_device *dev) netdevice->dev_addr[5] = readb(eth_addr + 0x06); iounmap(eth_addr); - if (!netdevice->irq) { + if (netdevice->irq < 0) { printk(KERN_ERR "%s: IRQ not found for i82596 at 0x%lx\n", __FILE__, netdevice->base_addr); + retval = netdevice->irq; goto probe_failed; } diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index 9adfc0a7ab823f103a5b64278d9fc7326baae263..26d49dcdbeb3e484dfc31cd3b354ca4d9c7609a0 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -3258,11 +3258,25 @@ static void ibmvnic_send_req_caps(struct ibmvnic_adapter *adapter, int retry) struct device *dev = &adapter->vdev->dev; union ibmvnic_crq crq; int max_entries; + int cap_reqs; + + /* We send out 6 or 7 REQUEST_CAPABILITY CRQs below (depending on + * the PROMISC flag). Initialize this count upfront. When the tasklet + * receives a response to all of these, it will send the next protocol + * message (QUERY_IP_OFFLOAD). + */ + if (!(adapter->netdev->flags & IFF_PROMISC) || + adapter->promisc_supported) + cap_reqs = 7; + else + cap_reqs = 6; if (!retry) { /* Sub-CRQ entries are 32 byte long */ int entries_page = 4 * PAGE_SIZE / (sizeof(u64) * 4); + atomic_set(&adapter->running_cap_crqs, cap_reqs); + if (adapter->min_tx_entries_per_subcrq > entries_page || adapter->min_rx_add_entries_per_subcrq > entries_page) { dev_err(dev, "Fatal, invalid entries per sub-crq\n"); @@ -3323,44 +3337,45 @@ static void ibmvnic_send_req_caps(struct ibmvnic_adapter *adapter, int retry) adapter->opt_rx_comp_queues; adapter->req_rx_add_queues = adapter->max_rx_add_queues; + } else { + atomic_add(cap_reqs, &adapter->running_cap_crqs); } - memset(&crq, 0, sizeof(crq)); crq.request_capability.first = IBMVNIC_CRQ_CMD; crq.request_capability.cmd = REQUEST_CAPABILITY; crq.request_capability.capability = cpu_to_be16(REQ_TX_QUEUES); crq.request_capability.number = cpu_to_be64(adapter->req_tx_queues); - atomic_inc(&adapter->running_cap_crqs); + cap_reqs--; ibmvnic_send_crq(adapter, &crq); crq.request_capability.capability = cpu_to_be16(REQ_RX_QUEUES); crq.request_capability.number = cpu_to_be64(adapter->req_rx_queues); - atomic_inc(&adapter->running_cap_crqs); + cap_reqs--; ibmvnic_send_crq(adapter, &crq); crq.request_capability.capability = cpu_to_be16(REQ_RX_ADD_QUEUES); crq.request_capability.number = cpu_to_be64(adapter->req_rx_add_queues); - atomic_inc(&adapter->running_cap_crqs); + cap_reqs--; ibmvnic_send_crq(adapter, &crq); crq.request_capability.capability = cpu_to_be16(REQ_TX_ENTRIES_PER_SUBCRQ); crq.request_capability.number = cpu_to_be64(adapter->req_tx_entries_per_subcrq); - atomic_inc(&adapter->running_cap_crqs); + cap_reqs--; ibmvnic_send_crq(adapter, &crq); crq.request_capability.capability = cpu_to_be16(REQ_RX_ADD_ENTRIES_PER_SUBCRQ); crq.request_capability.number = cpu_to_be64(adapter->req_rx_add_entries_per_subcrq); - atomic_inc(&adapter->running_cap_crqs); + cap_reqs--; ibmvnic_send_crq(adapter, &crq); crq.request_capability.capability = cpu_to_be16(REQ_MTU); crq.request_capability.number = cpu_to_be64(adapter->req_mtu); - atomic_inc(&adapter->running_cap_crqs); + cap_reqs--; ibmvnic_send_crq(adapter, &crq); if (adapter->netdev->flags & IFF_PROMISC) { @@ -3368,16 +3383,21 @@ static void ibmvnic_send_req_caps(struct ibmvnic_adapter *adapter, int retry) crq.request_capability.capability = cpu_to_be16(PROMISC_REQUESTED); crq.request_capability.number = cpu_to_be64(1); - atomic_inc(&adapter->running_cap_crqs); + cap_reqs--; ibmvnic_send_crq(adapter, &crq); } } else { crq.request_capability.capability = cpu_to_be16(PROMISC_REQUESTED); crq.request_capability.number = cpu_to_be64(0); - atomic_inc(&adapter->running_cap_crqs); + cap_reqs--; ibmvnic_send_crq(adapter, &crq); } + + /* Keep at end to catch any discrepancy between expected and actual + * CRQs sent. + */ + WARN_ON(cap_reqs != 0); } static int pending_scrq(struct ibmvnic_adapter *adapter, @@ -3782,118 +3802,132 @@ static void send_map_query(struct ibmvnic_adapter *adapter) static void send_cap_queries(struct ibmvnic_adapter *adapter) { union ibmvnic_crq crq; + int cap_reqs; + + /* We send out 25 QUERY_CAPABILITY CRQs below. Initialize this count + * upfront. When the tasklet receives a response to all of these, it + * can send out the next protocol messaage (REQUEST_CAPABILITY). + */ + cap_reqs = 25; + + atomic_set(&adapter->running_cap_crqs, cap_reqs); - atomic_set(&adapter->running_cap_crqs, 0); memset(&crq, 0, sizeof(crq)); crq.query_capability.first = IBMVNIC_CRQ_CMD; crq.query_capability.cmd = QUERY_CAPABILITY; crq.query_capability.capability = cpu_to_be16(MIN_TX_QUEUES); - atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); + cap_reqs--; crq.query_capability.capability = cpu_to_be16(MIN_RX_QUEUES); - atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); + cap_reqs--; crq.query_capability.capability = cpu_to_be16(MIN_RX_ADD_QUEUES); - atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); + cap_reqs--; crq.query_capability.capability = cpu_to_be16(MAX_TX_QUEUES); - atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); + cap_reqs--; crq.query_capability.capability = cpu_to_be16(MAX_RX_QUEUES); - atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); + cap_reqs--; crq.query_capability.capability = cpu_to_be16(MAX_RX_ADD_QUEUES); - atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); + cap_reqs--; crq.query_capability.capability = cpu_to_be16(MIN_TX_ENTRIES_PER_SUBCRQ); - atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); + cap_reqs--; crq.query_capability.capability = cpu_to_be16(MIN_RX_ADD_ENTRIES_PER_SUBCRQ); - atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); + cap_reqs--; crq.query_capability.capability = cpu_to_be16(MAX_TX_ENTRIES_PER_SUBCRQ); - atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); + cap_reqs--; crq.query_capability.capability = cpu_to_be16(MAX_RX_ADD_ENTRIES_PER_SUBCRQ); - atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); + cap_reqs--; crq.query_capability.capability = cpu_to_be16(TCP_IP_OFFLOAD); - atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); + cap_reqs--; crq.query_capability.capability = cpu_to_be16(PROMISC_SUPPORTED); - atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); + cap_reqs--; crq.query_capability.capability = cpu_to_be16(MIN_MTU); - atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); + cap_reqs--; crq.query_capability.capability = cpu_to_be16(MAX_MTU); - atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); + cap_reqs--; crq.query_capability.capability = cpu_to_be16(MAX_MULTICAST_FILTERS); - atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); + cap_reqs--; crq.query_capability.capability = cpu_to_be16(VLAN_HEADER_INSERTION); - atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); + cap_reqs--; crq.query_capability.capability = cpu_to_be16(RX_VLAN_HEADER_INSERTION); - atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); + cap_reqs--; crq.query_capability.capability = cpu_to_be16(MAX_TX_SG_ENTRIES); - atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); + cap_reqs--; crq.query_capability.capability = cpu_to_be16(RX_SG_SUPPORTED); - atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); + cap_reqs--; crq.query_capability.capability = cpu_to_be16(OPT_TX_COMP_SUB_QUEUES); - atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); + cap_reqs--; crq.query_capability.capability = cpu_to_be16(OPT_RX_COMP_QUEUES); - atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); + cap_reqs--; crq.query_capability.capability = cpu_to_be16(OPT_RX_BUFADD_Q_PER_RX_COMP_Q); - atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); + cap_reqs--; crq.query_capability.capability = cpu_to_be16(OPT_TX_ENTRIES_PER_SUBCRQ); - atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); + cap_reqs--; crq.query_capability.capability = cpu_to_be16(OPT_RXBA_ENTRIES_PER_SUBCRQ); - atomic_inc(&adapter->running_cap_crqs); ibmvnic_send_crq(adapter, &crq); + cap_reqs--; crq.query_capability.capability = cpu_to_be16(TX_RX_DESC_REQ); - atomic_inc(&adapter->running_cap_crqs); + ibmvnic_send_crq(adapter, &crq); + cap_reqs--; + + /* Keep at end to catch any discrepancy between expected and actual + * CRQs sent. + */ + WARN_ON(cap_reqs != 0); } static void handle_vpd_size_rsp(union ibmvnic_crq *crq, @@ -4160,6 +4194,8 @@ static void handle_request_cap_rsp(union ibmvnic_crq *crq, char *name; atomic_dec(&adapter->running_cap_crqs); + netdev_dbg(adapter->netdev, "Outstanding request-caps: %d\n", + atomic_read(&adapter->running_cap_crqs)); switch (be16_to_cpu(crq->request_capability_rsp.capability)) { case REQ_TX_QUEUES: req_value = &adapter->req_tx_queues; @@ -4787,12 +4823,6 @@ static void ibmvnic_tasklet(void *data) ibmvnic_handle_crq(crq, adapter); crq->generic.first = 0; } - - /* remain in tasklet until all - * capabilities responses are received - */ - if (!adapter->wait_capability) - done = true; } /* if capabilities CRQ's were sent in this tasklet, the following * tasklet must wait until all responses are received diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h index e571c6116c4b7abca71e32975468ea5a2b54100d..4c8c31692e9e0b1a801fe53adc288a9eae0862d1 100644 --- a/drivers/net/ethernet/intel/i40e/i40e.h +++ b/drivers/net/ethernet/intel/i40e/i40e.h @@ -169,6 +169,7 @@ enum i40e_vsi_state_t { __I40E_VSI_OVERFLOW_PROMISC, __I40E_VSI_REINIT_REQUESTED, __I40E_VSI_DOWN_REQUESTED, + __I40E_VSI_RELEASING, /* This must be last as it determines the size of the BITMAP */ __I40E_VSI_STATE_SIZE__, }; @@ -181,7 +182,6 @@ enum i40e_interrupt_policy { struct i40e_lump_tracking { u16 num_entries; - u16 search_hint; u16 list[0]; #define I40E_PILE_VALID_BIT 0x8000 #define I40E_IWARP_IRQ_PILE_ID (I40E_PILE_VALID_BIT - 2) @@ -756,12 +756,12 @@ struct i40e_vsi { struct rtnl_link_stats64 net_stats_offsets; struct i40e_eth_stats eth_stats; struct i40e_eth_stats eth_stats_offsets; - u32 tx_restart; - u32 tx_busy; + u64 tx_restart; + u64 tx_busy; u64 tx_linearize; u64 tx_force_wb; - u32 rx_buf_failed; - u32 rx_page_failed; + u64 rx_buf_failed; + u64 rx_page_failed; /* These are containers of ring pointers, allocated at run-time */ struct i40e_ring **rx_rings; @@ -1146,6 +1146,7 @@ void i40e_ptp_save_hw_time(struct i40e_pf *pf); void i40e_ptp_restore_hw_time(struct i40e_pf *pf); void i40e_ptp_init(struct i40e_pf *pf); void i40e_ptp_stop(struct i40e_pf *pf); +int i40e_update_adq_vsi_queues(struct i40e_vsi *vsi, int vsi_offset); int i40e_is_vsi_uplink_mode_veb(struct i40e_vsi *vsi); i40e_status i40e_get_partition_bw_setting(struct i40e_pf *pf); i40e_status i40e_set_partition_bw_setting(struct i40e_pf *pf); diff --git a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c index 99ea543dd2453b6cf6f8fd0d2b3914172e122e6a..276f04c0e51d6a8ef01c101e4a07b818f959c5b4 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c +++ b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c @@ -234,7 +234,7 @@ static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid) (unsigned long int)vsi->net_stats_offsets.rx_compressed, (unsigned long int)vsi->net_stats_offsets.tx_compressed); dev_info(&pf->pdev->dev, - " tx_restart = %d, tx_busy = %d, rx_buf_failed = %d, rx_page_failed = %d\n", + " tx_restart = %llu, tx_busy = %llu, rx_buf_failed = %llu, rx_page_failed = %llu\n", vsi->tx_restart, vsi->tx_busy, vsi->rx_buf_failed, vsi->rx_page_failed); rcu_read_lock(); diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 917be10a5cf5c6340f39ef77d5414c428ddf7385..a6ae4b7b11afdd5afba67f1c8f1fa5f737f19117 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -107,6 +107,24 @@ MODULE_VERSION(DRV_VERSION); static struct workqueue_struct *i40e_wq; +static void netdev_hw_addr_refcnt(struct i40e_mac_filter *f, + struct net_device *netdev, int delta) +{ + struct netdev_hw_addr *ha; + + if (!f || !netdev) + return; + + netdev_for_each_mc_addr(ha, netdev) { + if (ether_addr_equal(ha->addr, f->macaddr)) { + ha->refcount += delta; + if (ha->refcount <= 0) + ha->refcount = 1; + break; + } + } +} + /** * i40e_allocate_dma_mem_d - OS specific memory alloc for shared code * @hw: pointer to the HW structure @@ -186,10 +204,6 @@ int i40e_free_virt_mem_d(struct i40e_hw *hw, struct i40e_virt_mem *mem) * @id: an owner id to stick on the items assigned * * Returns the base item index of the lump, or negative for error - * - * The search_hint trick and lack of advanced fit-finding only work - * because we're highly likely to have all the same size lump requests. - * Linear search time and any fragmentation should be minimal. **/ static int i40e_get_lump(struct i40e_pf *pf, struct i40e_lump_tracking *pile, u16 needed, u16 id) @@ -204,8 +218,21 @@ static int i40e_get_lump(struct i40e_pf *pf, struct i40e_lump_tracking *pile, return -EINVAL; } - /* start the linear search with an imperfect hint */ - i = pile->search_hint; + /* Allocate last queue in the pile for FDIR VSI queue + * so it doesn't fragment the qp_pile + */ + if (pile == pf->qp_pile && pf->vsi[id]->type == I40E_VSI_FDIR) { + if (pile->list[pile->num_entries - 1] & I40E_PILE_VALID_BIT) { + dev_err(&pf->pdev->dev, + "Cannot allocate queue %d for I40E_VSI_FDIR\n", + pile->num_entries - 1); + return -ENOMEM; + } + pile->list[pile->num_entries - 1] = id | I40E_PILE_VALID_BIT; + return pile->num_entries - 1; + } + + i = 0; while (i < pile->num_entries) { /* skip already allocated entries */ if (pile->list[i] & I40E_PILE_VALID_BIT) { @@ -224,7 +251,6 @@ static int i40e_get_lump(struct i40e_pf *pf, struct i40e_lump_tracking *pile, for (j = 0; j < needed; j++) pile->list[i+j] = id | I40E_PILE_VALID_BIT; ret = i; - pile->search_hint = i + j; break; } @@ -247,7 +273,7 @@ static int i40e_put_lump(struct i40e_lump_tracking *pile, u16 index, u16 id) { int valid_id = (id | I40E_PILE_VALID_BIT); int count = 0; - int i; + u16 i; if (!pile || index >= pile->num_entries) return -EINVAL; @@ -259,8 +285,6 @@ static int i40e_put_lump(struct i40e_lump_tracking *pile, u16 index, u16 id) count++; } - if (count && index < pile->search_hint) - pile->search_hint = index; return count; } @@ -780,9 +804,9 @@ static void i40e_update_vsi_stats(struct i40e_vsi *vsi) struct rtnl_link_stats64 *ns; /* netdev stats */ struct i40e_eth_stats *oes; struct i40e_eth_stats *es; /* device's eth stats */ - u32 tx_restart, tx_busy; + u64 tx_restart, tx_busy; struct i40e_ring *p; - u32 rx_page, rx_buf; + u64 rx_page, rx_buf; u64 bytes, packets; unsigned int start; u64 tx_linearize; @@ -1776,6 +1800,7 @@ static void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi, bool is_add) { struct i40e_pf *pf = vsi->back; + u16 num_tc_qps = 0; u16 sections = 0; u8 netdev_tc = 0; u16 numtc = 1; @@ -1783,13 +1808,33 @@ static void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi, u8 offset; u16 qmap; int i; - u16 num_tc_qps = 0; sections = I40E_AQ_VSI_PROP_QUEUE_MAP_VALID; offset = 0; + /* zero out queue mapping, it will get updated on the end of the function */ + memset(ctxt->info.queue_mapping, 0, sizeof(ctxt->info.queue_mapping)); + + if (vsi->type == I40E_VSI_MAIN) { + /* This code helps add more queue to the VSI if we have + * more cores than RSS can support, the higher cores will + * be served by ATR or other filters. Furthermore, the + * non-zero req_queue_pairs says that user requested a new + * queue count via ethtool's set_channels, so use this + * value for queues distribution across traffic classes + */ + if (vsi->req_queue_pairs > 0) + vsi->num_queue_pairs = vsi->req_queue_pairs; + else if (pf->flags & I40E_FLAG_MSIX_ENABLED) + vsi->num_queue_pairs = pf->num_lan_msix; + } /* Number of queues per enabled TC */ - num_tc_qps = vsi->alloc_queue_pairs; + if (vsi->type == I40E_VSI_MAIN || + (vsi->type == I40E_VSI_SRIOV && vsi->num_queue_pairs != 0)) + num_tc_qps = vsi->num_queue_pairs; + else + num_tc_qps = vsi->alloc_queue_pairs; + if (enabled_tc && (vsi->back->flags & I40E_FLAG_DCB_ENABLED)) { /* Find numtc from enabled TC bitmap */ for (i = 0, numtc = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { @@ -1867,15 +1912,11 @@ static void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi, } ctxt->info.tc_mapping[i] = cpu_to_le16(qmap); } - - /* Set actual Tx/Rx queue pairs */ - vsi->num_queue_pairs = offset; - if ((vsi->type == I40E_VSI_MAIN) && (numtc == 1)) { - if (vsi->req_queue_pairs > 0) - vsi->num_queue_pairs = vsi->req_queue_pairs; - else if (pf->flags & I40E_FLAG_MSIX_ENABLED) - vsi->num_queue_pairs = pf->num_lan_msix; - } + /* Do not change previously set num_queue_pairs for PFs and VFs*/ + if ((vsi->type == I40E_VSI_MAIN && numtc != 1) || + (vsi->type == I40E_VSI_SRIOV && vsi->num_queue_pairs == 0) || + (vsi->type != I40E_VSI_MAIN && vsi->type != I40E_VSI_SRIOV)) + vsi->num_queue_pairs = offset; /* Scheduler section valid can only be set for ADD VSI */ if (is_add) { @@ -2005,6 +2046,7 @@ static void i40e_undo_add_filter_entries(struct i40e_vsi *vsi, hlist_for_each_entry_safe(new, h, from, hlist) { /* We can simply free the wrapper structure */ hlist_del(&new->hlist); + netdev_hw_addr_refcnt(new->f, vsi->netdev, -1); kfree(new); } } @@ -2352,6 +2394,10 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi) &tmp_add_list, &tmp_del_list, vlan_filters); + + hlist_for_each_entry(new, &tmp_add_list, hlist) + netdev_hw_addr_refcnt(new->f, vsi->netdev, 1); + if (retval) goto err_no_memory_locked; @@ -2484,6 +2530,7 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi) if (new->f->state == I40E_FILTER_NEW) new->f->state = new->state; hlist_del(&new->hlist); + netdev_hw_addr_refcnt(new->f, vsi->netdev, -1); kfree(new); } spin_unlock_bh(&vsi->mac_filter_hash_lock); @@ -2609,7 +2656,8 @@ static void i40e_sync_filters_subtask(struct i40e_pf *pf) for (v = 0; v < pf->num_alloc_vsi; v++) { if (pf->vsi[v] && - (pf->vsi[v]->flags & I40E_VSI_FLAG_FILTER_CHANGED)) { + (pf->vsi[v]->flags & I40E_VSI_FLAG_FILTER_CHANGED) && + !test_bit(__I40E_VSI_RELEASING, pf->vsi[v]->state)) { int ret = i40e_sync_vsi_filters(pf->vsi[v]); if (ret) { @@ -5371,6 +5419,58 @@ static void i40e_vsi_update_queue_map(struct i40e_vsi *vsi, sizeof(vsi->info.tc_mapping)); } +/** + * i40e_update_adq_vsi_queues - update queue mapping for ADq VSI + * @vsi: the VSI being reconfigured + * @vsi_offset: offset from main VF VSI + */ +int i40e_update_adq_vsi_queues(struct i40e_vsi *vsi, int vsi_offset) +{ + struct i40e_vsi_context ctxt = {}; + struct i40e_pf *pf; + struct i40e_hw *hw; + int ret; + + if (!vsi) + return I40E_ERR_PARAM; + pf = vsi->back; + hw = &pf->hw; + + ctxt.seid = vsi->seid; + ctxt.pf_num = hw->pf_id; + ctxt.vf_num = vsi->vf_id + hw->func_caps.vf_base_id + vsi_offset; + ctxt.uplink_seid = vsi->uplink_seid; + ctxt.connection_type = I40E_AQ_VSI_CONN_TYPE_NORMAL; + ctxt.flags = I40E_AQ_VSI_TYPE_VF; + ctxt.info = vsi->info; + + i40e_vsi_setup_queue_map(vsi, &ctxt, vsi->tc_config.enabled_tc, + false); + if (vsi->reconfig_rss) { + vsi->rss_size = min_t(int, pf->alloc_rss_size, + vsi->num_queue_pairs); + ret = i40e_vsi_config_rss(vsi); + if (ret) { + dev_info(&pf->pdev->dev, "Failed to reconfig rss for num_queues\n"); + return ret; + } + vsi->reconfig_rss = false; + } + + ret = i40e_aq_update_vsi_params(hw, &ctxt, NULL); + if (ret) { + dev_info(&pf->pdev->dev, "Update vsi config failed, err %s aq_err %s\n", + i40e_stat_str(hw, ret), + i40e_aq_str(hw, hw->aq.asq_last_status)); + return ret; + } + /* update the local VSI info with updated queue map */ + i40e_vsi_update_queue_map(vsi, &ctxt); + vsi->info.valid_sections = 0; + + return ret; +} + /** * i40e_vsi_config_tc - Configure VSI Tx Scheduler for given TC map * @vsi: VSI to be configured @@ -5661,24 +5761,6 @@ static void i40e_remove_queue_channels(struct i40e_vsi *vsi) INIT_LIST_HEAD(&vsi->ch_list); } -/** - * i40e_is_any_channel - channel exist or not - * @vsi: ptr to VSI to which channels are associated with - * - * Returns true or false if channel(s) exist for associated VSI or not - **/ -static bool i40e_is_any_channel(struct i40e_vsi *vsi) -{ - struct i40e_channel *ch, *ch_tmp; - - list_for_each_entry_safe(ch, ch_tmp, &vsi->ch_list, list) { - if (ch->initialized) - return true; - } - - return false; -} - /** * i40e_get_max_queues_for_channel * @vsi: ptr to VSI to which channels are associated with @@ -6186,26 +6268,15 @@ int i40e_create_queue_channel(struct i40e_vsi *vsi, /* By default we are in VEPA mode, if this is the first VF/VMDq * VSI to be added switch to VEB mode. */ - if ((!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) || - (!i40e_is_any_channel(vsi))) { - if (!is_power_of_2(vsi->tc_config.tc_info[0].qcount)) { - dev_dbg(&pf->pdev->dev, - "Failed to create channel. Override queues (%u) not power of 2\n", - vsi->tc_config.tc_info[0].qcount); - return -EINVAL; - } - if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) { - pf->flags |= I40E_FLAG_VEB_MODE_ENABLED; + if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) { + pf->flags |= I40E_FLAG_VEB_MODE_ENABLED; - if (vsi->type == I40E_VSI_MAIN) { - if (pf->flags & I40E_FLAG_TC_MQPRIO) - i40e_do_reset(pf, I40E_PF_RESET_FLAG, - true); - else - i40e_do_reset_safe(pf, - I40E_PF_RESET_FLAG); - } + if (vsi->type == I40E_VSI_MAIN) { + if (pf->flags & I40E_FLAG_TC_MQPRIO) + i40e_do_reset(pf, I40E_PF_RESET_FLAG, true); + else + i40e_do_reset_safe(pf, I40E_PF_RESET_FLAG); } /* now onwards for main VSI, number of queues will be value * of TC0's queue count @@ -7497,12 +7568,20 @@ static int i40e_setup_tc(struct net_device *netdev, void *type_data) vsi->seid); need_reset = true; goto exit; - } else { - dev_info(&vsi->back->pdev->dev, - "Setup channel (id:%u) utilizing num_queues %d\n", - vsi->seid, vsi->tc_config.tc_info[0].qcount); + } else if (enabled_tc && + (!is_power_of_2(vsi->tc_config.tc_info[0].qcount))) { + netdev_info(netdev, + "Failed to create channel. Override queues (%u) not power of 2\n", + vsi->tc_config.tc_info[0].qcount); + ret = -EINVAL; + need_reset = true; + goto exit; } + dev_info(&vsi->back->pdev->dev, + "Setup channel (id:%u) utilizing num_queues %d\n", + vsi->seid, vsi->tc_config.tc_info[0].qcount); + if (pf->flags & I40E_FLAG_TC_MQPRIO) { if (vsi->mqprio_qopt.max_rate[0]) { u64 max_tx_rate = vsi->mqprio_qopt.max_rate[0]; @@ -8067,9 +8146,8 @@ static int i40e_configure_clsflower(struct i40e_vsi *vsi, err = i40e_add_del_cloud_filter(vsi, filter, true); if (err) { - dev_err(&pf->pdev->dev, - "Failed to add cloud filter, err %s\n", - i40e_stat_str(&pf->hw, err)); + dev_err(&pf->pdev->dev, "Failed to add cloud filter, err %d\n", + err); goto err; } @@ -8254,6 +8332,27 @@ int i40e_open(struct net_device *netdev) return 0; } +/** + * i40e_netif_set_realnum_tx_rx_queues - Update number of tx/rx queues + * @vsi: vsi structure + * + * This updates netdev's number of tx/rx queues + * + * Returns status of setting tx/rx queues + **/ +static int i40e_netif_set_realnum_tx_rx_queues(struct i40e_vsi *vsi) +{ + int ret; + + ret = netif_set_real_num_rx_queues(vsi->netdev, + vsi->num_queue_pairs); + if (ret) + return ret; + + return netif_set_real_num_tx_queues(vsi->netdev, + vsi->num_queue_pairs); +} + /** * i40e_vsi_open - * @vsi: the VSI to open @@ -8290,13 +8389,7 @@ int i40e_vsi_open(struct i40e_vsi *vsi) goto err_setup_rx; /* Notify the stack of the actual queue counts. */ - err = netif_set_real_num_tx_queues(vsi->netdev, - vsi->num_queue_pairs); - if (err) - goto err_set_queues; - - err = netif_set_real_num_rx_queues(vsi->netdev, - vsi->num_queue_pairs); + err = i40e_netif_set_realnum_tx_rx_queues(vsi); if (err) goto err_set_queues; @@ -9997,15 +10090,9 @@ static void i40e_rebuild(struct i40e_pf *pf, bool reinit, bool lock_acquired) } i40e_get_oem_version(&pf->hw); - if (test_bit(__I40E_EMP_RESET_INTR_RECEIVED, pf->state) && - ((hw->aq.fw_maj_ver == 4 && hw->aq.fw_min_ver <= 33) || - hw->aq.fw_maj_ver < 4) && hw->mac.type == I40E_MAC_XL710) { - /* The following delay is necessary for 4.33 firmware and older - * to recover after EMP reset. 200 ms should suffice but we - * put here 300 ms to be sure that FW is ready to operate - * after reset. - */ - mdelay(300); + if (test_and_clear_bit(__I40E_EMP_RESET_INTR_RECEIVED, pf->state)) { + /* The following delay is necessary for firmware update. */ + mdelay(1000); } /* re-verify the eeprom if we just had an EMP reset */ @@ -11301,7 +11388,6 @@ static int i40e_init_interrupt_scheme(struct i40e_pf *pf) return -ENOMEM; pf->irq_pile->num_entries = vectors; - pf->irq_pile->search_hint = 0; /* track first vector for misc interrupts, ignore return */ (void)i40e_get_lump(pf, pf->irq_pile, 1, I40E_PILE_VALID_BIT - 1); @@ -12052,7 +12138,6 @@ static int i40e_sw_init(struct i40e_pf *pf) goto sw_init_done; } pf->qp_pile->num_entries = pf->hw.func_caps.num_tx_qp; - pf->qp_pile->search_hint = 0; pf->tx_timeout_recovery_level = 1; @@ -13388,7 +13473,7 @@ int i40e_vsi_release(struct i40e_vsi *vsi) dev_info(&pf->pdev->dev, "Can't remove PF VSI\n"); return -ENODEV; } - + set_bit(__I40E_VSI_RELEASING, vsi->state); uplink_seid = vsi->uplink_seid; if (vsi->type != I40E_VSI_SRIOV) { if (vsi->netdev_registered) { @@ -13718,6 +13803,9 @@ struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type, case I40E_VSI_MAIN: case I40E_VSI_VMDQ2: ret = i40e_config_netdev(vsi); + if (ret) + goto err_netdev; + ret = i40e_netif_set_realnum_tx_rx_queues(vsi); if (ret) goto err_netdev; ret = register_netdev(vsi->netdev); @@ -14964,8 +15052,8 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (hw->aq.api_maj_ver == I40E_FW_API_VERSION_MAJOR && hw->aq.api_min_ver > I40E_FW_MINOR_VERSION(hw)) - dev_info(&pdev->dev, - "The driver for the device detected a newer version of the NVM image v%u.%u than expected v%u.%u. Please install the most recent version of the network driver.\n", + dev_dbg(&pdev->dev, + "The driver for the device detected a newer version of the NVM image v%u.%u than v%u.%u.\n", hw->aq.api_maj_ver, hw->aq.api_min_ver, I40E_FW_API_VERSION_MAJOR, diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index e561073054865e0fd3a318365d62430bb2271a90..4962e6193eecab2444bb4a73c3490e0851585e90 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -621,14 +621,13 @@ static int i40e_config_vsi_rx_queue(struct i40e_vf *vf, u16 vsi_id, u16 vsi_queue_id, struct virtchnl_rxq_info *info) { + u16 pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id, vsi_queue_id); struct i40e_pf *pf = vf->pf; + struct i40e_vsi *vsi = pf->vsi[vf->lan_vsi_idx]; struct i40e_hw *hw = &pf->hw; struct i40e_hmc_obj_rxq rx_ctx; - u16 pf_queue_id; int ret = 0; - pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id, vsi_queue_id); - /* clear the context structure first */ memset(&rx_ctx, 0, sizeof(struct i40e_hmc_obj_rxq)); @@ -666,6 +665,10 @@ static int i40e_config_vsi_rx_queue(struct i40e_vf *vf, u16 vsi_id, } rx_ctx.rxmax = info->max_pkt_size; + /* if port VLAN is configured increase the max packet size */ + if (vsi->info.pvid) + rx_ctx.rxmax += VLAN_HLEN; + /* enable 32bytes desc always */ rx_ctx.dsize = 1; @@ -1801,6 +1804,32 @@ static int i40e_vc_send_resp_to_vf(struct i40e_vf *vf, return i40e_vc_send_msg_to_vf(vf, opcode, retval, NULL, 0); } +/** + * i40e_sync_vf_state + * @vf: pointer to the VF info + * @state: VF state + * + * Called from a VF message to synchronize the service with a potential + * VF reset state + **/ +static bool i40e_sync_vf_state(struct i40e_vf *vf, enum i40e_vf_states state) +{ + int i; + + /* When handling some messages, it needs VF state to be set. + * It is possible that this flag is cleared during VF reset, + * so there is a need to wait until the end of the reset to + * handle the request message correctly. + */ + for (i = 0; i < I40E_VF_STATE_WAIT_COUNT; i++) { + if (test_bit(state, &vf->vf_states)) + return true; + usleep_range(10000, 20000); + } + + return test_bit(state, &vf->vf_states); +} + /** * i40e_vc_get_version_msg * @vf: pointer to the VF info @@ -1861,7 +1890,7 @@ static int i40e_vc_get_vf_resources_msg(struct i40e_vf *vf, u8 *msg) size_t len = 0; int ret; - if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states)) { + if (!i40e_sync_vf_state(vf, I40E_VF_STATE_INIT)) { aq_ret = I40E_ERR_PARAM; goto err; } @@ -2016,7 +2045,7 @@ static int i40e_vc_config_promiscuous_mode_msg(struct i40e_vf *vf, u8 *msg) bool allmulti = false; bool alluni = false; - if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) { + if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) { aq_ret = I40E_ERR_PARAM; goto err_out; } @@ -2097,13 +2126,14 @@ static int i40e_vc_config_queues_msg(struct i40e_vf *vf, u8 *msg) struct virtchnl_vsi_queue_config_info *qci = (struct virtchnl_vsi_queue_config_info *)msg; struct virtchnl_queue_pair_info *qpi; - struct i40e_pf *pf = vf->pf; u16 vsi_id, vsi_queue_id = 0; - u16 num_qps_all = 0; + struct i40e_pf *pf = vf->pf; i40e_status aq_ret = 0; int i, j = 0, idx = 0; + struct i40e_vsi *vsi; + u16 num_qps_all = 0; - if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) { + if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) { aq_ret = I40E_ERR_PARAM; goto error_param; } @@ -2190,9 +2220,15 @@ static int i40e_vc_config_queues_msg(struct i40e_vf *vf, u8 *msg) pf->vsi[vf->lan_vsi_idx]->num_queue_pairs = qci->num_queue_pairs; } else { - for (i = 0; i < vf->num_tc; i++) - pf->vsi[vf->ch[i].vsi_idx]->num_queue_pairs = - vf->ch[i].num_qps; + for (i = 0; i < vf->num_tc; i++) { + vsi = pf->vsi[vf->ch[i].vsi_idx]; + vsi->num_queue_pairs = vf->ch[i].num_qps; + + if (i40e_update_adq_vsi_queues(vsi, i)) { + aq_ret = I40E_ERR_CONFIG; + goto error_param; + } + } } error_param: @@ -2245,7 +2281,7 @@ static int i40e_vc_config_irq_map_msg(struct i40e_vf *vf, u8 *msg) i40e_status aq_ret = 0; int i; - if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) { + if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) { aq_ret = I40E_ERR_PARAM; goto error_param; } @@ -2417,7 +2453,7 @@ static int i40e_vc_disable_queues_msg(struct i40e_vf *vf, u8 *msg) struct i40e_pf *pf = vf->pf; i40e_status aq_ret = 0; - if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) { + if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) { aq_ret = I40E_ERR_PARAM; goto error_param; } @@ -2449,6 +2485,59 @@ static int i40e_vc_disable_queues_msg(struct i40e_vf *vf, u8 *msg) aq_ret); } +/** + * i40e_check_enough_queue - find big enough queue number + * @vf: pointer to the VF info + * @needed: the number of items needed + * + * Returns the base item index of the queue, or negative for error + **/ +static int i40e_check_enough_queue(struct i40e_vf *vf, u16 needed) +{ + unsigned int i, cur_queues, more, pool_size; + struct i40e_lump_tracking *pile; + struct i40e_pf *pf = vf->pf; + struct i40e_vsi *vsi; + + vsi = pf->vsi[vf->lan_vsi_idx]; + cur_queues = vsi->alloc_queue_pairs; + + /* if current allocated queues are enough for need */ + if (cur_queues >= needed) + return vsi->base_queue; + + pile = pf->qp_pile; + if (cur_queues > 0) { + /* if the allocated queues are not zero + * just check if there are enough queues for more + * behind the allocated queues. + */ + more = needed - cur_queues; + for (i = vsi->base_queue + cur_queues; + i < pile->num_entries; i++) { + if (pile->list[i] & I40E_PILE_VALID_BIT) + break; + + if (more-- == 1) + /* there is enough */ + return vsi->base_queue; + } + } + + pool_size = 0; + for (i = 0; i < pile->num_entries; i++) { + if (pile->list[i] & I40E_PILE_VALID_BIT) { + pool_size = 0; + continue; + } + if (needed <= ++pool_size) + /* there is enough */ + return i; + } + + return -ENOMEM; +} + /** * i40e_vc_request_queues_msg * @vf: pointer to the VF info @@ -2467,7 +2556,7 @@ static int i40e_vc_request_queues_msg(struct i40e_vf *vf, u8 *msg) u8 cur_pairs = vf->num_queue_pairs; struct i40e_pf *pf = vf->pf; - if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) + if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) return -EINVAL; if (req_pairs > I40E_MAX_VF_QUEUES) { @@ -2483,6 +2572,12 @@ static int i40e_vc_request_queues_msg(struct i40e_vf *vf, u8 *msg) req_pairs - cur_pairs, pf->queues_left); vfres->num_queue_pairs = pf->queues_left + cur_pairs; + } else if (i40e_check_enough_queue(vf, req_pairs) < 0) { + dev_warn(&pf->pdev->dev, + "VF %d requested %d more queues, but there is not enough for it.\n", + vf->vf_id, + req_pairs - cur_pairs); + vfres->num_queue_pairs = cur_pairs; } else { /* successful request */ vf->num_req_queues = req_pairs; @@ -2513,7 +2608,7 @@ static int i40e_vc_get_stats_msg(struct i40e_vf *vf, u8 *msg) memset(&stats, 0, sizeof(struct i40e_eth_stats)); - if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) { + if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) { aq_ret = I40E_ERR_PARAM; goto error_param; } @@ -2622,7 +2717,7 @@ static int i40e_vc_add_mac_addr_msg(struct i40e_vf *vf, u8 *msg) i40e_status ret = 0; int i; - if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) || + if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE) || !i40e_vc_isvalid_vsi_id(vf, al->vsi_id)) { ret = I40E_ERR_PARAM; goto error_param; @@ -2691,7 +2786,7 @@ static int i40e_vc_del_mac_addr_msg(struct i40e_vf *vf, u8 *msg) i40e_status ret = 0; int i; - if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) || + if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE) || !i40e_vc_isvalid_vsi_id(vf, al->vsi_id)) { ret = I40E_ERR_PARAM; goto error_param; @@ -2830,7 +2925,7 @@ static int i40e_vc_remove_vlan_msg(struct i40e_vf *vf, u8 *msg) i40e_status aq_ret = 0; int i; - if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) || + if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE) || !i40e_vc_isvalid_vsi_id(vf, vfl->vsi_id)) { aq_ret = I40E_ERR_PARAM; goto error_param; @@ -2950,9 +3045,9 @@ static int i40e_vc_config_rss_key(struct i40e_vf *vf, u8 *msg) struct i40e_vsi *vsi = NULL; i40e_status aq_ret = 0; - if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) || + if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE) || !i40e_vc_isvalid_vsi_id(vf, vrk->vsi_id) || - (vrk->key_len != I40E_HKEY_ARRAY_SIZE)) { + vrk->key_len != I40E_HKEY_ARRAY_SIZE) { aq_ret = I40E_ERR_PARAM; goto err; } @@ -2981,9 +3076,9 @@ static int i40e_vc_config_rss_lut(struct i40e_vf *vf, u8 *msg) i40e_status aq_ret = 0; u16 i; - if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) || + if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE) || !i40e_vc_isvalid_vsi_id(vf, vrl->vsi_id) || - (vrl->lut_entries != I40E_VF_HLUT_ARRAY_SIZE)) { + vrl->lut_entries != I40E_VF_HLUT_ARRAY_SIZE) { aq_ret = I40E_ERR_PARAM; goto err; } @@ -3016,7 +3111,7 @@ static int i40e_vc_get_rss_hena(struct i40e_vf *vf, u8 *msg) i40e_status aq_ret = 0; int len = 0; - if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) { + if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) { aq_ret = I40E_ERR_PARAM; goto err; } @@ -3052,7 +3147,7 @@ static int i40e_vc_set_rss_hena(struct i40e_vf *vf, u8 *msg) struct i40e_hw *hw = &pf->hw; i40e_status aq_ret = 0; - if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) { + if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) { aq_ret = I40E_ERR_PARAM; goto err; } @@ -3077,7 +3172,7 @@ static int i40e_vc_enable_vlan_stripping(struct i40e_vf *vf, u8 *msg) i40e_status aq_ret = 0; struct i40e_vsi *vsi; - if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) { + if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) { aq_ret = I40E_ERR_PARAM; goto err; } @@ -3103,7 +3198,7 @@ static int i40e_vc_disable_vlan_stripping(struct i40e_vf *vf, u8 *msg) i40e_status aq_ret = 0; struct i40e_vsi *vsi; - if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) { + if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) { aq_ret = I40E_ERR_PARAM; goto err; } @@ -3330,7 +3425,7 @@ static int i40e_vc_del_cloud_filter(struct i40e_vf *vf, u8 *msg) i40e_status aq_ret = 0; int i, ret; - if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) { + if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) { aq_ret = I40E_ERR_PARAM; goto err; } @@ -3461,7 +3556,7 @@ static int i40e_vc_add_cloud_filter(struct i40e_vf *vf, u8 *msg) i40e_status aq_ret = 0; int i, ret; - if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) { + if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) { aq_ret = I40E_ERR_PARAM; goto err_out; } @@ -3570,7 +3665,7 @@ static int i40e_vc_add_qch_msg(struct i40e_vf *vf, u8 *msg) i40e_status aq_ret = 0; u64 speed = 0; - if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) { + if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) { aq_ret = I40E_ERR_PARAM; goto err; } @@ -3677,11 +3772,6 @@ static int i40e_vc_add_qch_msg(struct i40e_vf *vf, u8 *msg) /* set this flag only after making sure all inputs are sane */ vf->adq_enabled = true; - /* num_req_queues is set when user changes number of queues via ethtool - * and this causes issue for default VSI(which depends on this variable) - * when ADq is enabled, hence reset it. - */ - vf->num_req_queues = 0; /* reset the VF in order to allocate resources */ i40e_vc_notify_vf_reset(vf); @@ -3705,7 +3795,7 @@ static int i40e_vc_del_qch_msg(struct i40e_vf *vf, u8 *msg) struct i40e_pf *pf = vf->pf; i40e_status aq_ret = 0; - if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) { + if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) { aq_ret = I40E_ERR_PARAM; goto err; } @@ -4050,34 +4140,6 @@ int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac) return ret; } -/** - * i40e_vsi_has_vlans - True if VSI has configured VLANs - * @vsi: pointer to the vsi - * - * Check if a VSI has configured any VLANs. False if we have a port VLAN or if - * we have no configured VLANs. Do not call while holding the - * mac_filter_hash_lock. - */ -static bool i40e_vsi_has_vlans(struct i40e_vsi *vsi) -{ - bool have_vlans; - - /* If we have a port VLAN, then the VSI cannot have any VLANs - * configured, as all MAC/VLAN filters will be assigned to the PVID. - */ - if (vsi->info.pvid) - return false; - - /* Since we don't have a PVID, we know that if the device is in VLAN - * mode it must be because of a VLAN filter configured on this VSI. - */ - spin_lock_bh(&vsi->mac_filter_hash_lock); - have_vlans = i40e_is_vsi_in_vlan(vsi); - spin_unlock_bh(&vsi->mac_filter_hash_lock); - - return have_vlans; -} - /** * i40e_ndo_set_vf_port_vlan * @netdev: network interface device structure @@ -4134,19 +4196,9 @@ int i40e_ndo_set_vf_port_vlan(struct net_device *netdev, int vf_id, /* duplicate request, so just return success */ goto error_pvid; - if (i40e_vsi_has_vlans(vsi)) { - dev_err(&pf->pdev->dev, - "VF %d has already configured VLAN filters and the administrator is requesting a port VLAN override.\nPlease unload and reload the VF driver for this change to take effect.\n", - vf_id); - /* Administrator Error - knock the VF offline until he does - * the right thing by reconfiguring his network correctly - * and then reloading the VF driver. - */ - i40e_vc_disable_vf(vf); - /* During reset the VF got a new VSI, so refresh the pointer. */ - vsi = pf->vsi[vf->lan_vsi_idx]; - } - + i40e_vc_disable_vf(vf); + /* During reset the VF got a new VSI, so refresh a pointer. */ + vsi = pf->vsi[vf->lan_vsi_idx]; /* Locked once because multiple functions below iterate list */ spin_lock_bh(&vsi->mac_filter_hash_lock); diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h index f65cc0c1655029fa7119c364f18be581a0a6b398..7df3e5833c5d20cd9d45886ef1ef68398d711f7d 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h @@ -19,6 +19,8 @@ #define I40E_MAX_VF_PROMISC_FLAGS 3 +#define I40E_VF_STATE_WAIT_COUNT 20 + /* Various queue ctrls */ enum i40e_queue_ctrl { I40E_QUEUE_CTRL_UNKNOWN = 0, diff --git a/drivers/net/ethernet/intel/iavf/iavf_ethtool.c b/drivers/net/ethernet/intel/iavf/iavf_ethtool.c index 758bef02a2a86798726e104bedba0b6e93c78960..ed45f3c8338e83617541ebc68799776730a4effc 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_ethtool.c +++ b/drivers/net/ethernet/intel/iavf/iavf_ethtool.c @@ -612,23 +612,44 @@ static int iavf_set_ringparam(struct net_device *netdev, if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) return -EINVAL; - new_tx_count = clamp_t(u32, ring->tx_pending, - IAVF_MIN_TXD, - IAVF_MAX_TXD); - new_tx_count = ALIGN(new_tx_count, IAVF_REQ_DESCRIPTOR_MULTIPLE); + if (ring->tx_pending > IAVF_MAX_TXD || + ring->tx_pending < IAVF_MIN_TXD || + ring->rx_pending > IAVF_MAX_RXD || + ring->rx_pending < IAVF_MIN_RXD) { + netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n", + ring->tx_pending, ring->rx_pending, IAVF_MIN_TXD, + IAVF_MAX_RXD, IAVF_REQ_DESCRIPTOR_MULTIPLE); + return -EINVAL; + } + + new_tx_count = ALIGN(ring->tx_pending, IAVF_REQ_DESCRIPTOR_MULTIPLE); + if (new_tx_count != ring->tx_pending) + netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n", + new_tx_count); - new_rx_count = clamp_t(u32, ring->rx_pending, - IAVF_MIN_RXD, - IAVF_MAX_RXD); - new_rx_count = ALIGN(new_rx_count, IAVF_REQ_DESCRIPTOR_MULTIPLE); + new_rx_count = ALIGN(ring->rx_pending, IAVF_REQ_DESCRIPTOR_MULTIPLE); + if (new_rx_count != ring->rx_pending) + netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n", + new_rx_count); /* if nothing to do return success */ if ((new_tx_count == adapter->tx_desc_count) && - (new_rx_count == adapter->rx_desc_count)) + (new_rx_count == adapter->rx_desc_count)) { + netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n"); return 0; + } - adapter->tx_desc_count = new_tx_count; - adapter->rx_desc_count = new_rx_count; + if (new_tx_count != adapter->tx_desc_count) { + netdev_dbg(netdev, "Changing Tx descriptor count from %d to %d\n", + adapter->tx_desc_count, new_tx_count); + adapter->tx_desc_count = new_tx_count; + } + + if (new_rx_count != adapter->rx_desc_count) { + netdev_dbg(netdev, "Changing Rx descriptor count from %d to %d\n", + adapter->rx_desc_count, new_rx_count); + adapter->rx_desc_count = new_rx_count; + } if (netif_running(netdev)) { adapter->flags |= IAVF_FLAG_RESET_NEEDED; @@ -719,12 +740,31 @@ static int iavf_get_per_queue_coalesce(struct net_device *netdev, u32 queue, * * Change the ITR settings for a specific queue. **/ -static void iavf_set_itr_per_queue(struct iavf_adapter *adapter, - struct ethtool_coalesce *ec, int queue) +static int iavf_set_itr_per_queue(struct iavf_adapter *adapter, + struct ethtool_coalesce *ec, int queue) { struct iavf_ring *rx_ring = &adapter->rx_rings[queue]; struct iavf_ring *tx_ring = &adapter->tx_rings[queue]; struct iavf_q_vector *q_vector; + u16 itr_setting; + + itr_setting = rx_ring->itr_setting & ~IAVF_ITR_DYNAMIC; + + if (ec->rx_coalesce_usecs != itr_setting && + ec->use_adaptive_rx_coalesce) { + netif_info(adapter, drv, adapter->netdev, + "Rx interrupt throttling cannot be changed if adaptive-rx is enabled\n"); + return -EINVAL; + } + + itr_setting = tx_ring->itr_setting & ~IAVF_ITR_DYNAMIC; + + if (ec->tx_coalesce_usecs != itr_setting && + ec->use_adaptive_tx_coalesce) { + netif_info(adapter, drv, adapter->netdev, + "Tx interrupt throttling cannot be changed if adaptive-tx is enabled\n"); + return -EINVAL; + } rx_ring->itr_setting = ITR_REG_ALIGN(ec->rx_coalesce_usecs); tx_ring->itr_setting = ITR_REG_ALIGN(ec->tx_coalesce_usecs); @@ -747,6 +787,7 @@ static void iavf_set_itr_per_queue(struct iavf_adapter *adapter, * the Tx and Rx ITR values based on the values we have entered * into the q_vector, no need to write the values now. */ + return 0; } /** @@ -788,9 +829,11 @@ static int __iavf_set_coalesce(struct net_device *netdev, */ if (queue < 0) { for (i = 0; i < adapter->num_active_queues; i++) - iavf_set_itr_per_queue(adapter, ec, i); + if (iavf_set_itr_per_queue(adapter, ec, i)) + return -EINVAL; } else if (queue < adapter->num_active_queues) { - iavf_set_itr_per_queue(adapter, ec, queue); + if (iavf_set_itr_per_queue(adapter, ec, queue)) + return -EINVAL; } else { netif_info(adapter, drv, netdev, "Invalid queue value, queue range is 0 - %d\n", adapter->num_active_queues - 1); @@ -962,14 +1005,13 @@ static int iavf_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, if (hfunc) *hfunc = ETH_RSS_HASH_TOP; - if (!indir) - return 0; - - memcpy(key, adapter->rss_key, adapter->rss_key_size); + if (key) + memcpy(key, adapter->rss_key, adapter->rss_key_size); - /* Each 32 bits pointed by 'indir' is stored with a lut entry */ - for (i = 0; i < adapter->rss_lut_size; i++) - indir[i] = (u32)adapter->rss_lut[i]; + if (indir) + /* Each 32 bits pointed by 'indir' is stored with a lut entry */ + for (i = 0; i < adapter->rss_lut_size; i++) + indir[i] = (u32)adapter->rss_lut[i]; return 0; } diff --git a/drivers/net/ethernet/intel/iavf/iavf_main.c b/drivers/net/ethernet/intel/iavf/iavf_main.c index bc46c262b42d8c60b916123a0a34adc3e7c35c3a..309e953ed1e44d5049bac3311b76e6c404f4aaaa 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_main.c +++ b/drivers/net/ethernet/intel/iavf/iavf_main.c @@ -1626,8 +1626,7 @@ static int iavf_process_aq_command(struct iavf_adapter *adapter) iavf_set_promiscuous(adapter, FLAG_VF_MULTICAST_PROMISC); return 0; } - - if ((adapter->aq_required & IAVF_FLAG_AQ_RELEASE_PROMISC) && + if ((adapter->aq_required & IAVF_FLAG_AQ_RELEASE_PROMISC) || (adapter->aq_required & IAVF_FLAG_AQ_RELEASE_ALLMULTI)) { iavf_set_promiscuous(adapter, 0); return 0; @@ -2057,8 +2056,8 @@ static void iavf_disable_vf(struct iavf_adapter *adapter) iavf_free_misc_irq(adapter); iavf_reset_interrupt_capability(adapter); - iavf_free_queues(adapter); iavf_free_q_vectors(adapter); + iavf_free_queues(adapter); memset(adapter->vf_res, 0, IAVF_VIRTCHNL_VF_RESOURCE_SIZE); iavf_shutdown_adminq(&adapter->hw); adapter->netdev->flags &= ~IFF_UP; @@ -2152,6 +2151,7 @@ static void iavf_reset_task(struct work_struct *work) } pci_set_master(adapter->pdev); + pci_restore_msi_state(adapter->pdev); if (i == IAVF_RESET_WAIT_COUNT) { dev_err(&adapter->pdev->dev, "Reset never finished (%x)\n", @@ -2342,7 +2342,7 @@ static void iavf_adminq_task(struct work_struct *work) /* check for error indications */ val = rd32(hw, hw->aq.arq.len); - if (val == 0xdeadbeef) /* indicates device in reset */ + if (val == 0xdeadbeef || val == 0xffffffff) /* device in reset */ goto freedom; oldval = val; if (val & IAVF_VF_ARQLEN1_ARQVFE_MASK) { @@ -2604,8 +2604,11 @@ static int iavf_validate_ch_config(struct iavf_adapter *adapter, total_max_rate += tx_rate; num_qps += mqprio_qopt->qopt.count[i]; } - if (num_qps > IAVF_MAX_REQ_QUEUES) + if (num_qps > adapter->num_active_queues) { + dev_err(&adapter->pdev->dev, + "Cannot support requested number of queues\n"); return -EINVAL; + } ret = iavf_validate_tx_bandwidth(adapter, total_max_rate); return ret; @@ -3034,11 +3037,11 @@ static int iavf_configure_clsflower(struct iavf_adapter *adapter, /* start out with flow type and eth type IPv4 to begin with */ filter->f.flow_type = VIRTCHNL_TCP_V4_FLOW; err = iavf_parse_cls_flower(adapter, cls_flower, filter); - if (err < 0) + if (err) goto err; err = iavf_handle_tclass(adapter, tc, filter); - if (err < 0) + if (err) goto err; /* add filter to the list */ @@ -3425,7 +3428,8 @@ static netdev_features_t iavf_fix_features(struct net_device *netdev, { struct iavf_adapter *adapter = netdev_priv(netdev); - if (!(adapter->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN)) + if (adapter->vf_res && + !(adapter->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN)) features &= ~(NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_FILTER); diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index d0ccb7ad447b194a849663770b05ad310d1040e4..3eea68f3a52621a77a88b4e75a27dc66af699854 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c @@ -3005,9 +3005,6 @@ static void ice_remove(struct pci_dev *pdev) struct ice_pf *pf = pci_get_drvdata(pdev); int i; - if (!pf) - return; - for (i = 0; i < ICE_MAX_RESET_WAIT; i++) { if (!ice_is_reset_in_progress(pf->state)) break; @@ -3564,6 +3561,9 @@ static int ice_up_complete(struct ice_vsi *vsi) netif_carrier_on(vsi->netdev); } + /* clear this now, and the first stats read will be used as baseline */ + vsi->stat_offsets_loaded = false; + ice_service_task_schedule(pf); return 0; diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 158feb0ab2739d38b6d4934fb26a296dfc85fdb4..3df25b231ab5cbbfa8382fbd13940a26b3fb0880 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -7374,6 +7374,20 @@ static int igb_set_vf_mac_filter(struct igb_adapter *adapter, const int vf, struct vf_mac_filter *entry = NULL; int ret = 0; + if ((vf_data->flags & IGB_VF_FLAG_PF_SET_MAC) && + !vf_data->trusted) { + dev_warn(&pdev->dev, + "VF %d requested MAC filter but is administratively denied\n", + vf); + return -EINVAL; + } + if (!is_valid_ether_addr(addr)) { + dev_warn(&pdev->dev, + "VF %d attempted to set invalid MAC filter\n", + vf); + return -EINVAL; + } + switch (info) { case E1000_VF_MAC_FILTER_CLR: /* remove all unicast MAC filters related to the current VF */ @@ -7387,20 +7401,6 @@ static int igb_set_vf_mac_filter(struct igb_adapter *adapter, const int vf, } break; case E1000_VF_MAC_FILTER_ADD: - if ((vf_data->flags & IGB_VF_FLAG_PF_SET_MAC) && - !vf_data->trusted) { - dev_warn(&pdev->dev, - "VF %d requested MAC filter but is administratively denied\n", - vf); - return -EINVAL; - } - if (!is_valid_ether_addr(addr)) { - dev_warn(&pdev->dev, - "VF %d attempted to set invalid MAC filter\n", - vf); - return -EINVAL; - } - /* try to find empty slot in the list */ list_for_each(pos, &adapter->vf_macs.l) { entry = list_entry(pos, struct vf_mac_filter, l); @@ -7752,7 +7752,7 @@ static int igb_poll(struct napi_struct *napi, int budget) if (likely(napi_complete_done(napi, work_done))) igb_ring_irq_enable(q_vector); - return min(work_done, budget - 1); + return work_done; } /** diff --git a/drivers/net/ethernet/intel/igbvf/netdev.c b/drivers/net/ethernet/intel/igbvf/netdev.c index 77cb2ab7dab404189acfe0cc1db4d125e7e6f569..1082e49ea0560b9e1953e39bd1fc34ad0f7b7521 100644 --- a/drivers/net/ethernet/intel/igbvf/netdev.c +++ b/drivers/net/ethernet/intel/igbvf/netdev.c @@ -2887,6 +2887,7 @@ static int igbvf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) return 0; err_hw_init: + netif_napi_del(&adapter->rx_ring->napi); kfree(adapter->tx_ring); kfree(adapter->rx_ring); err_sw_init: diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c index 9c42f741ed5efde3ad667bbc75d4a6b5ea5dec15..74728c0a44a81fcd2dd0c8f01e82dccea109e442 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c @@ -3405,6 +3405,9 @@ static s32 ixgbe_reset_hw_X550em(struct ixgbe_hw *hw) /* flush pending Tx transactions */ ixgbe_clear_tx_pending(hw); + /* set MDIO speed before talking to the PHY in case it's the 1st time */ + ixgbe_set_mdio_speed(hw); + /* PHY ops must be identified and initialized prior to reset */ status = hw->phy.ops.init(hw); if (status == IXGBE_ERR_SFP_NOT_SUPPORTED || diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c index be8e6d4e376ec8eb5f6fef8d0ca7c291e2f8b6c2..9bd02766a4bcc268240554b1278b1d70db982c99 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c @@ -1979,14 +1979,15 @@ static void ixgbevf_set_rx_buffer_len(struct ixgbevf_adapter *adapter, if (adapter->flags & IXGBEVF_FLAGS_LEGACY_RX) return; - set_ring_build_skb_enabled(rx_ring); + if (PAGE_SIZE < 8192) + if (max_frame > IXGBEVF_MAX_FRAME_BUILD_SKB) + set_ring_uses_large_buffer(rx_ring); - if (PAGE_SIZE < 8192) { - if (max_frame <= IXGBEVF_MAX_FRAME_BUILD_SKB) - return; + /* 82599 can't rely on RXDCTL.RLPML to restrict the size of the frame */ + if (adapter->hw.mac.type == ixgbe_mac_82599_vf && !ring_uses_large_buffer(rx_ring)) + return; - set_ring_uses_large_buffer(rx_ring); - } + set_ring_build_skb_enabled(rx_ring); } /** diff --git a/drivers/net/ethernet/lantiq_xrx200.c b/drivers/net/ethernet/lantiq_xrx200.c index 6e504854571cfc656d7e5ebadda10c3aebd26ca0..94541bf889a23d496fff88aaf7d78b3f1d7f3b99 100644 --- a/drivers/net/ethernet/lantiq_xrx200.c +++ b/drivers/net/ethernet/lantiq_xrx200.c @@ -209,7 +209,7 @@ static int xrx200_hw_receive(struct xrx200_chan *ch) skb->protocol = eth_type_trans(skb, net_dev); netif_receive_skb(skb); net_dev->stats.rx_packets++; - net_dev->stats.rx_bytes += len - ETH_FCS_LEN; + net_dev->stats.rx_bytes += len; return 0; } diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index dac0e51e6aafd217db071be24275b58499b2d4f0..d700f1b5a4bf75e1d8cb31b944ee66d54e0239ec 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -4545,7 +4545,7 @@ static int mvpp2_port_init(struct mvpp2_port *port) struct mvpp2 *priv = port->priv; struct mvpp2_txq_pcpu *txq_pcpu; unsigned int thread; - int queue, err, val; + int queue, err; /* Checks for hardware constraints */ if (port->first_rxq + port->nrxqs > @@ -4559,18 +4559,6 @@ static int mvpp2_port_init(struct mvpp2_port *port) mvpp2_egress_disable(port); mvpp2_port_disable(port); - if (mvpp2_is_xlg(port->phy_interface)) { - val = readl(port->base + MVPP22_XLG_CTRL0_REG); - val &= ~MVPP22_XLG_CTRL0_FORCE_LINK_PASS; - val |= MVPP22_XLG_CTRL0_FORCE_LINK_DOWN; - writel(val, port->base + MVPP22_XLG_CTRL0_REG); - } else { - val = readl(port->base + MVPP2_GMAC_AUTONEG_CONFIG); - val &= ~MVPP2_GMAC_FORCE_LINK_PASS; - val |= MVPP2_GMAC_FORCE_LINK_DOWN; - writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG); - } - port->tx_time_coal = MVPP2_TXDONE_COAL_USEC; port->txqs = devm_kcalloc(dev, port->ntxqs, sizeof(*port->txqs), @@ -5785,7 +5773,7 @@ static int mvpp2_probe(struct platform_device *pdev) shared = num_present_cpus() - priv->nthreads; if (shared > 0) - bitmap_fill(&priv->lock_map, + bitmap_set(&priv->lock_map, 0, min_t(int, shared, MVPP2_MAX_THREADS)); for (i = 0; i < MVPP2_MAX_THREADS; i++) { diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index 48b395b9c15adaf215e3c89b8a88e806e1c323d2..3351d4f9363af771e6f01195d2b1edf78947069b 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -215,7 +215,7 @@ static void mtk_mac_config(struct phylink_config *config, unsigned int mode, phylink_config); struct mtk_eth *eth = mac->hw; u32 mcr_cur, mcr_new, sid, i; - int val, ge_mode, err; + int val, ge_mode, err = 0; /* MT76x8 has no hardware settings between for the MAC */ if (!MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628) && diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c index 426786a349c3cddb75ad1b116597f895df61cf6c..dd029d91bbc2d8a574fbe27e17edad83b9f2102e 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c @@ -663,7 +663,7 @@ void __init mlx4_en_init_ptys2ethtool_map(void) MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_1000BASE_T, SPEED_1000, ETHTOOL_LINK_MODE_1000baseT_Full_BIT); MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_1000BASE_CX_SGMII, SPEED_1000, - ETHTOOL_LINK_MODE_1000baseKX_Full_BIT); + ETHTOOL_LINK_MODE_1000baseX_Full_BIT); MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_1000BASE_KX, SPEED_1000, ETHTOOL_LINK_MODE_1000baseKX_Full_BIT); MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_10GBASE_T, SPEED_10000, @@ -675,9 +675,9 @@ void __init mlx4_en_init_ptys2ethtool_map(void) MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_10GBASE_KR, SPEED_10000, ETHTOOL_LINK_MODE_10000baseKR_Full_BIT); MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_10GBASE_CR, SPEED_10000, - ETHTOOL_LINK_MODE_10000baseKR_Full_BIT); + ETHTOOL_LINK_MODE_10000baseCR_Full_BIT); MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_10GBASE_SR, SPEED_10000, - ETHTOOL_LINK_MODE_10000baseKR_Full_BIT); + ETHTOOL_LINK_MODE_10000baseSR_Full_BIT); MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_20GBASE_KR2, SPEED_20000, ETHTOOL_LINK_MODE_20000baseMLD2_Full_BIT, ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT); diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index d029179a4804c6dcf1465793604af0c999c9dbcd..91334229c1205da12c2f4fc8614dfda76cb3aa8f 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -2281,9 +2281,14 @@ int mlx4_en_try_alloc_resources(struct mlx4_en_priv *priv, bool carry_xdp_prog) { struct bpf_prog *xdp_prog; - int i, t; + int i, t, ret; - mlx4_en_copy_priv(tmp, priv, prof); + ret = mlx4_en_copy_priv(tmp, priv, prof); + if (ret) { + en_warn(priv, "%s: mlx4_en_copy_priv() failed, return\n", + __func__); + return ret; + } if (mlx4_en_alloc_resources(tmp)) { en_warn(priv, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c index bf091a6c0cd2d1e04ddcb9ca4d0caa9e51f2d94d..1a7aa078f35109d5b5a6777813a352525b466856 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c @@ -147,8 +147,12 @@ static void cmd_ent_put(struct mlx5_cmd_work_ent *ent) if (!refcount_dec_and_test(&ent->refcnt)) return; - if (ent->idx >= 0) - cmd_free_index(ent->cmd, ent->idx); + if (ent->idx >= 0) { + struct mlx5_cmd *cmd = ent->cmd; + + cmd_free_index(cmd, ent->idx); + up(ent->page_queue ? &cmd->pages_sem : &cmd->sem); + } cmd_free_ent(ent); } @@ -883,25 +887,6 @@ static bool opcode_allowed(struct mlx5_cmd *cmd, u16 opcode) return cmd->allowed_opcode == opcode; } -static int cmd_alloc_index_retry(struct mlx5_cmd *cmd) -{ - unsigned long alloc_end = jiffies + msecs_to_jiffies(1000); - int idx; - -retry: - idx = cmd_alloc_index(cmd); - if (idx < 0 && time_before(jiffies, alloc_end)) { - /* Index allocation can fail on heavy load of commands. This is a temporary - * situation as the current command already holds the semaphore, meaning that - * another command completion is being handled and it is expected to release - * the entry index soon. - */ - cpu_relax(); - goto retry; - } - return idx; -} - static void cmd_work_handler(struct work_struct *work) { struct mlx5_cmd_work_ent *ent = container_of(work, struct mlx5_cmd_work_ent, work); @@ -919,7 +904,7 @@ static void cmd_work_handler(struct work_struct *work) sem = ent->page_queue ? &cmd->pages_sem : &cmd->sem; down(sem); if (!ent->page_queue) { - alloc_ret = cmd_alloc_index_retry(cmd); + alloc_ret = cmd_alloc_index(cmd); if (alloc_ret < 0) { mlx5_core_err(dev, "failed to allocate command entry\n"); if (ent->callback) { @@ -1577,8 +1562,6 @@ static void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec, bool force vector = vec & 0xffffffff; for (i = 0; i < (1 << cmd->log_sz); i++) { if (test_bit(i, &vector)) { - struct semaphore *sem; - ent = cmd->ent_arr[i]; /* if we already completed the command, ignore it */ @@ -1601,10 +1584,6 @@ static void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec, bool force dev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) cmd_ent_put(ent); - if (ent->page_queue) - sem = &cmd->pages_sem; - else - sem = &cmd->sem; ent->ts2 = ktime_get_ns(); memcpy(ent->out->first.data, ent->lay->out, sizeof(ent->lay->out)); dump_command(dev, ent, 0); @@ -1658,7 +1637,6 @@ static void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec, bool force */ complete(&ent->done); } - up(sem); } } } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index 5f4f0f61c83c8ea5a1f5d9ba645f5c032372f11d..2465165cbea73552af2420cd3e92dcfc1722209a 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -3907,12 +3907,11 @@ static int set_feature_arfs(struct net_device *netdev, bool enable) static int mlx5e_handle_feature(struct net_device *netdev, netdev_features_t *features, - netdev_features_t wanted_features, netdev_features_t feature, mlx5e_feature_handler feature_handler) { - netdev_features_t changes = wanted_features ^ netdev->features; - bool enable = !!(wanted_features & feature); + netdev_features_t changes = *features ^ netdev->features; + bool enable = !!(*features & feature); int err; if (!(changes & feature)) @@ -3920,22 +3919,22 @@ static int mlx5e_handle_feature(struct net_device *netdev, err = feature_handler(netdev, enable); if (err) { + MLX5E_SET_FEATURE(features, feature, !enable); netdev_err(netdev, "%s feature %pNF failed, err %d\n", enable ? "Enable" : "Disable", &feature, err); return err; } - MLX5E_SET_FEATURE(features, feature, enable); return 0; } int mlx5e_set_features(struct net_device *netdev, netdev_features_t features) { - netdev_features_t oper_features = netdev->features; + netdev_features_t oper_features = features; int err = 0; #define MLX5E_HANDLE_FEATURE(feature, handler) \ - mlx5e_handle_feature(netdev, &oper_features, features, feature, handler) + mlx5e_handle_feature(netdev, &oper_features, feature, handler) err |= MLX5E_HANDLE_FEATURE(NETIF_F_LRO, set_feature_lro); err |= MLX5E_HANDLE_FEATURE(NETIF_F_HW_VLAN_CTAG_FILTER, @@ -5054,9 +5053,13 @@ static void mlx5e_build_nic_netdev(struct net_device *netdev) } if (mlx5_vxlan_allowed(mdev->vxlan) || mlx5_geneve_tx_allowed(mdev)) { - netdev->hw_features |= NETIF_F_GSO_UDP_TUNNEL; - netdev->hw_enc_features |= NETIF_F_GSO_UDP_TUNNEL; - netdev->vlan_features |= NETIF_F_GSO_UDP_TUNNEL; + netdev->hw_features |= NETIF_F_GSO_UDP_TUNNEL | + NETIF_F_GSO_UDP_TUNNEL_CSUM; + netdev->hw_enc_features |= NETIF_F_GSO_UDP_TUNNEL | + NETIF_F_GSO_UDP_TUNNEL_CSUM; + netdev->gso_partial_features = NETIF_F_GSO_UDP_TUNNEL_CSUM; + netdev->vlan_features |= NETIF_F_GSO_UDP_TUNNEL | + NETIF_F_GSO_UDP_TUNNEL_CSUM; } if (mlx5e_tunnel_proto_supported(mdev, IPPROTO_GRE)) { diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c b/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c index bdc7f915d80e312595701dae8237e26ccca3160d..101667c6b5843e7eaf6fc3ffcb0439b5c4fe6a16 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c @@ -265,10 +265,8 @@ static int mlx5_lag_fib_event(struct notifier_block *nb, fen_info = container_of(info, struct fib_entry_notifier_info, info); fi = fen_info->fi; - if (fi->nh) { - NL_SET_ERR_MSG_MOD(info->extack, "IPv4 route with nexthop objects is not supported"); - return notifier_from_errno(-EINVAL); - } + if (fi->nh) + return NOTIFY_DONE; fib_dev = fib_info_nh(fen_info->fi, 0)->fib_nh_dev; if (fib_dev != ldev->pf[0].netdev && fib_dev != ldev->pf[1].netdev) { diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_domain.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_domain.c index 56bf900eb753f9f3ece046bafb49b2c4a44d03f4..dbdb6a9592f091ea3a6d7c207c808fc9215c5190 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_domain.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_domain.c @@ -2,6 +2,7 @@ /* Copyright (c) 2019 Mellanox Technologies. */ #include +#include #include "dr_types.h" static int dr_domain_init_cache(struct mlx5dr_domain *dmn) @@ -64,9 +65,9 @@ static int dr_domain_init_resources(struct mlx5dr_domain *dmn) } dmn->uar = mlx5_get_uars_page(dmn->mdev); - if (!dmn->uar) { + if (IS_ERR(dmn->uar)) { mlx5dr_err(dmn, "Couldn't allocate UAR\n"); - ret = -ENOMEM; + ret = PTR_ERR(dmn->uar); goto clean_pd; } diff --git a/drivers/net/ethernet/mellanox/mlxsw/pci.c b/drivers/net/ethernet/mellanox/mlxsw/pci.c index aa4fef789084162ec7db253aea311f58a44db88d..ff331251a019a1e82535c1bd8e606c8592a98ba1 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/pci.c +++ b/drivers/net/ethernet/mellanox/mlxsw/pci.c @@ -1876,6 +1876,7 @@ int mlxsw_pci_driver_register(struct pci_driver *pci_driver) { pci_driver->probe = mlxsw_pci_probe; pci_driver->remove = mlxsw_pci_remove; + pci_driver->shutdown = mlxsw_pci_remove; return pci_register_driver(pci_driver); } EXPORT_SYMBOL(mlxsw_pci_driver_register); diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c index 6030c90d50ccbaad0b8c5208a494d1ca4081b851..bf7832b34a00003548118c166e9a661e28bed641 100644 --- a/drivers/net/ethernet/mscc/ocelot.c +++ b/drivers/net/ethernet/mscc/ocelot.c @@ -1024,12 +1024,6 @@ static int ocelot_hwstamp_set(struct ocelot_port *port, struct ifreq *ifr) switch (cfg.rx_filter) { case HWTSTAMP_FILTER_NONE: break; - case HWTSTAMP_FILTER_ALL: - case HWTSTAMP_FILTER_SOME: - case HWTSTAMP_FILTER_PTP_V1_L4_EVENT: - case HWTSTAMP_FILTER_PTP_V1_L4_SYNC: - case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ: - case HWTSTAMP_FILTER_NTP_ALL: case HWTSTAMP_FILTER_PTP_V2_L4_EVENT: case HWTSTAMP_FILTER_PTP_V2_L4_SYNC: case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ: @@ -1189,7 +1183,10 @@ static int ocelot_get_ts_info(struct net_device *dev, SOF_TIMESTAMPING_RAW_HARDWARE; info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON) | BIT(HWTSTAMP_TX_ONESTEP_SYNC); - info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | BIT(HWTSTAMP_FILTER_ALL); + info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | + BIT(HWTSTAMP_FILTER_PTP_V2_EVENT) | + BIT(HWTSTAMP_FILTER_PTP_V2_L2_EVENT) | + BIT(HWTSTAMP_FILTER_PTP_V2_L4_EVENT); return 0; } diff --git a/drivers/net/ethernet/natsemi/xtsonic.c b/drivers/net/ethernet/natsemi/xtsonic.c index 44171d7bb434cbda099f0a1d9580545e03efb2b7..5117864738a7ef484d1a1fb4487400ce19f40b58 100644 --- a/drivers/net/ethernet/natsemi/xtsonic.c +++ b/drivers/net/ethernet/natsemi/xtsonic.c @@ -120,7 +120,7 @@ static const struct net_device_ops xtsonic_netdev_ops = { .ndo_set_mac_address = eth_mac_addr, }; -static int __init sonic_probe1(struct net_device *dev) +static int sonic_probe1(struct net_device *dev) { unsigned int silicon_revision; struct sonic_local *lp = netdev_priv(dev); diff --git a/drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c b/drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c index 2600ce476d6b219e18540efb1f8e3883957731d6..f8c8451919cb64bce93ebef24562afc2e9f92e8a 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c +++ b/drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c @@ -677,6 +677,7 @@ nfp_tunnel_del_shared_mac(struct nfp_app *app, struct net_device *netdev, struct nfp_flower_repr_priv *repr_priv; struct nfp_tun_offloaded_mac *entry; struct nfp_repr *repr; + u16 nfp_mac_idx; int ida_idx; entry = nfp_tunnel_lookup_offloaded_macs(app, mac); @@ -695,8 +696,6 @@ nfp_tunnel_del_shared_mac(struct nfp_app *app, struct net_device *netdev, entry->bridge_count--; if (!entry->bridge_count && entry->ref_count) { - u16 nfp_mac_idx; - nfp_mac_idx = entry->index & ~NFP_TUN_PRE_TUN_IDX_BIT; if (__nfp_tunnel_offload_mac(app, mac, nfp_mac_idx, false)) { @@ -712,7 +711,6 @@ nfp_tunnel_del_shared_mac(struct nfp_app *app, struct net_device *netdev, /* If MAC is now used by 1 repr set the offloaded MAC index to port. */ if (entry->ref_count == 1 && list_is_singular(&entry->repr_list)) { - u16 nfp_mac_idx; int port, err; repr_priv = list_first_entry(&entry->repr_list, @@ -740,8 +738,14 @@ nfp_tunnel_del_shared_mac(struct nfp_app *app, struct net_device *netdev, WARN_ON_ONCE(rhashtable_remove_fast(&priv->tun.offloaded_macs, &entry->ht_node, offloaded_macs_params)); + + if (nfp_flower_is_supported_bridge(netdev)) + nfp_mac_idx = entry->index & ~NFP_TUN_PRE_TUN_IDX_BIT; + else + nfp_mac_idx = entry->index; + /* If MAC has global ID then extract and free the ida entry. */ - if (nfp_tunnel_is_mac_idx_global(entry->index)) { + if (nfp_tunnel_is_mac_idx_global(nfp_mac_idx)) { ida_idx = nfp_tunnel_get_ida_from_global_mac_idx(entry->index); ida_simple_remove(&priv->tun.mac_off_ids, ida_idx); } diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net.h b/drivers/net/ethernet/netronome/nfp/nfp_net.h index 250f510b1d212f65c4e8c2d7f9c99f32891c09e3..3dcb09f17b77f9240ecefff2d484800a57c75393 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net.h +++ b/drivers/net/ethernet/netronome/nfp/nfp_net.h @@ -557,7 +557,6 @@ struct nfp_net_dp { * @exn_name: Name for Exception interrupt * @shared_handler: Handler for shared interrupts * @shared_name: Name for shared interrupt - * @me_freq_mhz: ME clock_freq (MHz) * @reconfig_lock: Protects @reconfig_posted, @reconfig_timer_active, * @reconfig_sync_present and HW reconfiguration request * regs/machinery from async requests (sync must take @@ -639,8 +638,6 @@ struct nfp_net { irq_handler_t shared_handler; char shared_name[IFNAMSIZ + 8]; - u32 me_freq_mhz; - bool link_up; spinlock_t link_status_lock; diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c index 2354dec994184f71ee83cc2be55da9a5c4fea165..89e578e25ff8f213f187393c5ed34f4d3a61e93c 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c @@ -1269,7 +1269,7 @@ static int nfp_net_set_coalesce(struct net_device *netdev, * ME timestamp ticks. There are 16 ME clock cycles for each timestamp * count. */ - factor = nn->me_freq_mhz / 16; + factor = nn->tlv_caps.me_freq_mhz / 16; /* Each pair of (usecs, max_frames) fields specifies that interrupts * should be coalesced until diff --git a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cppcore.c b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cppcore.c index 94994a939277b6f78790bf3b3a999eea3a72d3b7..6ef48eb3a77d43e4268feb536968841e8cb72cbe 100644 --- a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cppcore.c +++ b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cppcore.c @@ -803,8 +803,10 @@ int nfp_cpp_area_cache_add(struct nfp_cpp *cpp, size_t size) return -ENOMEM; cache = kzalloc(sizeof(*cache), GFP_KERNEL); - if (!cache) + if (!cache) { + nfp_cpp_area_free(area); return -ENOMEM; + } cache->id = 0; cache->addr = 0; diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c index 99ba3551458fc6ca6d75fbaa8f4e4a6e2df0f5d3..f9c303d76658a0cf05a05815201d318f6a6336e3 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c @@ -1995,7 +1995,7 @@ static int ionic_lif_init(struct ionic_lif *lif) return -EINVAL; } - lif->dbid_inuse = bitmap_alloc(lif->dbid_count, GFP_KERNEL); + lif->dbid_inuse = bitmap_zalloc(lif->dbid_count, GFP_KERNEL); if (!lif->dbid_inuse) { dev_err(dev, "Failed alloc doorbell id bitmap, aborting\n"); return -ENOMEM; diff --git a/drivers/net/ethernet/qlogic/qede/qede_fp.c b/drivers/net/ethernet/qlogic/qede/qede_fp.c index f310a94e048985a7d5b38a4029aaa9295587a290..b81579afa361dee3074af7430c179f0e1ecc9f8a 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_fp.c +++ b/drivers/net/ethernet/qlogic/qede/qede_fp.c @@ -1597,6 +1597,13 @@ netdev_tx_t qede_start_xmit(struct sk_buff *skb, struct net_device *ndev) data_split = true; } } else { + if (unlikely(skb->len > ETH_TX_MAX_NON_LSO_PKT_LEN)) { + DP_ERR(edev, "Unexpected non LSO skb length = 0x%x\n", skb->len); + qede_free_failed_tx_pkt(txq, first_bd, 0, false); + qede_update_tx_producer(txq); + return NETDEV_TX_OK; + } + val |= ((skb->len & ETH_TX_DATA_1ST_BD_PKT_LEN_MASK) << ETH_TX_DATA_1ST_BD_PKT_LEN_SHIFT); } diff --git a/drivers/net/ethernet/qlogic/qla3xxx.c b/drivers/net/ethernet/qlogic/qla3xxx.c index 6ca2216e4058517f9f50a7e76036d60aec6d5d14..da2862d59681356136093cf93edb7298d3e19c31 100644 --- a/drivers/net/ethernet/qlogic/qla3xxx.c +++ b/drivers/net/ethernet/qlogic/qla3xxx.c @@ -3495,20 +3495,19 @@ static int ql_adapter_up(struct ql3_adapter *qdev) spin_lock_irqsave(&qdev->hw_lock, hw_flags); - err = ql_wait_for_drvr_lock(qdev); - if (err) { - err = ql_adapter_initialize(qdev); - if (err) { - netdev_err(ndev, "Unable to initialize adapter\n"); - goto err_init; - } - netdev_err(ndev, "Releasing driver lock\n"); - ql_sem_unlock(qdev, QL_DRVR_SEM_MASK); - } else { + if (!ql_wait_for_drvr_lock(qdev)) { netdev_err(ndev, "Could not acquire driver lock\n"); + err = -ENODEV; goto err_lock; } + err = ql_adapter_initialize(qdev); + if (err) { + netdev_err(ndev, "Unable to initialize adapter\n"); + goto err_init; + } + ql_sem_unlock(qdev, QL_DRVR_SEM_MASK); + spin_unlock_irqrestore(&qdev->hw_lock, hw_flags); set_bit(QL_ADAPTER_UP, &qdev->flags); diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c index f2014c10f7c9715487917bc713a92df5c4f1352c..df43d364e6a418fe6c471f32935e9551800de10d 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c @@ -1079,8 +1079,14 @@ static int qlcnic_83xx_add_rings(struct qlcnic_adapter *adapter) sds_mbx_size = sizeof(struct qlcnic_sds_mbx); context_id = recv_ctx->context_id; num_sds = adapter->drv_sds_rings - QLCNIC_MAX_SDS_RINGS; - ahw->hw_ops->alloc_mbx_args(&cmd, adapter, - QLCNIC_CMD_ADD_RCV_RINGS); + err = ahw->hw_ops->alloc_mbx_args(&cmd, adapter, + QLCNIC_CMD_ADD_RCV_RINGS); + if (err) { + dev_err(&adapter->pdev->dev, + "Failed to alloc mbx args %d\n", err); + return err; + } + cmd.req.arg[1] = 0 | (num_sds << 8) | (context_id << 16); /* set up status rings, mbx 2-81 */ diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov.h index 5f327659efa7a34c3bd6211a6247b734a34f4382..85b688f60b8765b8045bc9332b64526ca33bf2df 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov.h +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov.h @@ -202,7 +202,7 @@ int qlcnic_sriov_get_vf_vport_info(struct qlcnic_adapter *, struct qlcnic_info *, u16); int qlcnic_sriov_cfg_vf_guest_vlan(struct qlcnic_adapter *, u16, u8); void qlcnic_sriov_free_vlans(struct qlcnic_adapter *); -void qlcnic_sriov_alloc_vlans(struct qlcnic_adapter *); +int qlcnic_sriov_alloc_vlans(struct qlcnic_adapter *); bool qlcnic_sriov_check_any_vlan(struct qlcnic_vf_info *); void qlcnic_sriov_del_vlan_id(struct qlcnic_sriov *, struct qlcnic_vf_info *, u16); diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c index f7c2f32237cb0738be4f26aa06a6008efdc143a2..400bc2c3f222eb5d0d51ea31968926143dcb1257 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c @@ -433,7 +433,7 @@ static int qlcnic_sriov_set_guest_vlan_mode(struct qlcnic_adapter *adapter, struct qlcnic_cmd_args *cmd) { struct qlcnic_sriov *sriov = adapter->ahw->sriov; - int i, num_vlans; + int i, num_vlans, ret; u16 *vlans; if (sriov->allowed_vlans) @@ -444,7 +444,9 @@ static int qlcnic_sriov_set_guest_vlan_mode(struct qlcnic_adapter *adapter, dev_info(&adapter->pdev->dev, "Number of allowed Guest VLANs = %d\n", sriov->num_allowed_vlans); - qlcnic_sriov_alloc_vlans(adapter); + ret = qlcnic_sriov_alloc_vlans(adapter); + if (ret) + return ret; if (!sriov->any_vlan) return 0; @@ -2160,7 +2162,7 @@ static int qlcnic_sriov_vf_resume(struct qlcnic_adapter *adapter) return err; } -void qlcnic_sriov_alloc_vlans(struct qlcnic_adapter *adapter) +int qlcnic_sriov_alloc_vlans(struct qlcnic_adapter *adapter) { struct qlcnic_sriov *sriov = adapter->ahw->sriov; struct qlcnic_vf_info *vf; @@ -2170,7 +2172,11 @@ void qlcnic_sriov_alloc_vlans(struct qlcnic_adapter *adapter) vf = &sriov->vf_info[i]; vf->sriov_vlans = kcalloc(sriov->num_allowed_vlans, sizeof(*vf->sriov_vlans), GFP_KERNEL); + if (!vf->sriov_vlans) + return -ENOMEM; } + + return 0; } void qlcnic_sriov_free_vlans(struct qlcnic_adapter *adapter) diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c index 5632da05145a5500776f58801e681d7aab6c94c3..ed218ed2f466d851e75614499aedb5cc6d0e973e 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c @@ -598,7 +598,9 @@ static int __qlcnic_pci_sriov_enable(struct qlcnic_adapter *adapter, if (err) goto del_flr_queue; - qlcnic_sriov_alloc_vlans(adapter); + err = qlcnic_sriov_alloc_vlans(adapter); + if (err) + goto del_flr_queue; return err; diff --git a/drivers/net/ethernet/rocker/rocker_ofdpa.c b/drivers/net/ethernet/rocker/rocker_ofdpa.c index 7072b249c8bd60ebb302db31df468635d841acc6..8157666209798ffc73a1c97d2905d7be16c5584f 100644 --- a/drivers/net/ethernet/rocker/rocker_ofdpa.c +++ b/drivers/net/ethernet/rocker/rocker_ofdpa.c @@ -2795,7 +2795,8 @@ static void ofdpa_fib4_abort(struct rocker *rocker) if (!ofdpa_port) continue; nh->fib_nh_flags &= ~RTNH_F_OFFLOAD; - ofdpa_flow_tbl_del(ofdpa_port, OFDPA_OP_FLAG_REMOVE, + ofdpa_flow_tbl_del(ofdpa_port, + OFDPA_OP_FLAG_REMOVE | OFDPA_OP_FLAG_NOWAIT, flow_entry); } spin_unlock_irqrestore(&ofdpa->flow_tbl_lock, flags); diff --git a/drivers/net/ethernet/sfc/falcon/rx.c b/drivers/net/ethernet/sfc/falcon/rx.c index 05ea3523890a9347ad30cbf3d50a0bba92316ad4..d516f81ab37a7a9b2023dfd90c45876fcc97bd4a 100644 --- a/drivers/net/ethernet/sfc/falcon/rx.c +++ b/drivers/net/ethernet/sfc/falcon/rx.c @@ -726,7 +726,10 @@ static void ef4_init_rx_recycle_ring(struct ef4_nic *efx, efx->rx_bufs_per_page); rx_queue->page_ring = kcalloc(page_ring_size, sizeof(*rx_queue->page_ring), GFP_KERNEL); - rx_queue->page_ptr_mask = page_ring_size - 1; + if (!rx_queue->page_ring) + rx_queue->page_ptr_mask = 0; + else + rx_queue->page_ptr_mask = page_ring_size - 1; } void ef4_init_rx_queue(struct ef4_rx_queue *rx_queue) diff --git a/drivers/net/ethernet/smsc/smc911x.c b/drivers/net/ethernet/smsc/smc911x.c index 7b65e79d6ae91b4d2676d5a73ee25e555753cf6f..82ca29b6781b2b8c4e646c26b98e46eb9bd2e724 100644 --- a/drivers/net/ethernet/smsc/smc911x.c +++ b/drivers/net/ethernet/smsc/smc911x.c @@ -2069,6 +2069,11 @@ static int smc911x_drv_probe(struct platform_device *pdev) ndev->dma = (unsigned char)-1; ndev->irq = platform_get_irq(pdev, 0); + if (ndev->irq < 0) { + ret = ndev->irq; + goto release_both; + } + lp = netdev_priv(ndev); lp->netdev = ndev; #ifdef SMC_DYNAMIC_BUS_CONFIG diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c index 2f6258ca95155f4fed4104acde4b800857a286bc..7c73d296b940deb5e39afe7e766cd0293ec98bb9 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c @@ -718,7 +718,7 @@ static int sun8i_dwmac_reset(struct stmmac_priv *priv) if (err) { dev_err(priv->device, "EMAC reset timeout\n"); - return -EFAULT; + return err; } return 0; } diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac_dma.h b/drivers/net/ethernet/stmicro/stmmac/dwmac_dma.h index 292b880f3f9fc8419055776947856b67628e73f1..3587b2e7843ef348766da039552fc4673477feb2 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac_dma.h +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac_dma.h @@ -128,6 +128,7 @@ #define NUM_DWMAC100_DMA_REGS 9 #define NUM_DWMAC1000_DMA_REGS 23 +#define NUM_DWMAC4_DMA_REGS 27 void dwmac_enable_dma_transmission(void __iomem *ioaddr); void dwmac_enable_dma_irq(void __iomem *ioaddr, u32 chan); diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c index ce1346c14b05a018d9d28acca1c8c28c88fbe285..30b9393ae8f2f8984008ddea2ec4054e87439f8f 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c @@ -21,10 +21,18 @@ #include "dwxgmac2.h" #define REG_SPACE_SIZE 0x1060 +#define GMAC4_REG_SPACE_SIZE 0x116C #define MAC100_ETHTOOL_NAME "st_mac100" #define GMAC_ETHTOOL_NAME "st_gmac" #define XGMAC_ETHTOOL_NAME "st_xgmac" +/* Same as DMA_CHAN_BASE_ADDR defined in dwmac4_dma.h + * + * It is here because dwmac_dma.h and dwmac4_dam.h can not be included at the + * same time due to the conflicting macro names. + */ +#define GMAC4_DMA_CHAN_BASE_ADDR 0x00001100 + #define ETHTOOL_DMA_OFFSET 55 struct stmmac_stats { @@ -413,6 +421,8 @@ static int stmmac_ethtool_get_regs_len(struct net_device *dev) if (priv->plat->has_xgmac) return XGMAC_REGSIZE * 4; + else if (priv->plat->has_gmac4) + return GMAC4_REG_SPACE_SIZE; return REG_SPACE_SIZE; } @@ -425,8 +435,13 @@ static void stmmac_ethtool_gregs(struct net_device *dev, stmmac_dump_mac_regs(priv, priv->hw, reg_space); stmmac_dump_dma_regs(priv, priv->ioaddr, reg_space); - if (!priv->plat->has_xgmac) { - /* Copy DMA registers to where ethtool expects them */ + /* Copy DMA registers to where ethtool expects them */ + if (priv->plat->has_gmac4) { + /* GMAC4 dumps its DMA registers at its DMA_CHAN_BASE_ADDR */ + memcpy(®_space[ETHTOOL_DMA_OFFSET], + ®_space[GMAC4_DMA_CHAN_BASE_ADDR / 4], + NUM_DWMAC4_DMA_REGS * 4); + } else if (!priv->plat->has_xgmac) { memcpy(®_space[ETHTOOL_DMA_OFFSET], ®_space[DMA_BUS_MODE / 4], NUM_DWMAC1000_DMA_REGS * 4); diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c index e5d9007c8090b4e5441147ff444ee7b526277fba..8c14c9966394128a8bce6f18e9edab936afb5ecc 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c @@ -149,15 +149,20 @@ static int adjust_systime(void __iomem *ioaddr, u32 sec, u32 nsec, static void get_systime(void __iomem *ioaddr, u64 *systime) { - u64 ns; - - /* Get the TSSS value */ - ns = readl(ioaddr + PTP_STNSR); - /* Get the TSS and convert sec time value to nanosecond */ - ns += readl(ioaddr + PTP_STSR) * 1000000000ULL; + u64 ns, sec0, sec1; + + /* Get the TSS value */ + sec1 = readl_relaxed(ioaddr + PTP_STSR); + do { + sec0 = sec1; + /* Get the TSSS value */ + ns = readl_relaxed(ioaddr + PTP_STNSR); + /* Get the TSS value */ + sec1 = readl_relaxed(ioaddr + PTP_STSR); + } while (sec0 != sec1); if (systime) - *systime = ns; + *systime = ns + (sec1 * 1000000000ULL); } const struct stmmac_hwtimestamp stmmac_ptp = { diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c index f98318d93ce72716b597dfdc5d821cbed1deb535..0ef806ea183271321c34bf1a0bed9fca37cb7a1c 100644 --- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c +++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c @@ -41,8 +41,9 @@ #include "xilinx_axienet.h" /* Descriptors defines for Tx and Rx DMA */ -#define TX_BD_NUM_DEFAULT 64 +#define TX_BD_NUM_DEFAULT 128 #define RX_BD_NUM_DEFAULT 1024 +#define TX_BD_NUM_MIN (MAX_SKB_FRAGS + 1) #define TX_BD_NUM_MAX 4096 #define RX_BD_NUM_MAX 4096 @@ -635,7 +636,7 @@ axienet_start_xmit(struct sk_buff *skb, struct net_device *ndev) num_frag = skb_shinfo(skb)->nr_frags; cur_p = &lp->tx_bd_v[lp->tx_bd_tail]; - if (axienet_check_tx_bd_space(lp, num_frag)) { + if (axienet_check_tx_bd_space(lp, num_frag + 1)) { if (netif_queue_stopped(ndev)) return NETDEV_TX_BUSY; @@ -645,7 +646,7 @@ axienet_start_xmit(struct sk_buff *skb, struct net_device *ndev) smp_mb(); /* Space might have just been freed - check again */ - if (axienet_check_tx_bd_space(lp, num_frag)) + if (axienet_check_tx_bd_space(lp, num_frag + 1)) return NETDEV_TX_BUSY; netif_wake_queue(ndev); @@ -1223,7 +1224,8 @@ static int axienet_ethtools_set_ringparam(struct net_device *ndev, if (ering->rx_pending > RX_BD_NUM_MAX || ering->rx_mini_pending || ering->rx_jumbo_pending || - ering->rx_pending > TX_BD_NUM_MAX) + ering->tx_pending < TX_BD_NUM_MIN || + ering->tx_pending > TX_BD_NUM_MAX) return -EINVAL; if (netif_running(ndev)) diff --git a/drivers/net/fjes/fjes_main.c b/drivers/net/fjes/fjes_main.c index b89b4a3800a4d579da654f813670cf59a200a986..bef0133696c31a8bbf45b2f1b3d2b6725c72f175 100644 --- a/drivers/net/fjes/fjes_main.c +++ b/drivers/net/fjes/fjes_main.c @@ -1269,6 +1269,11 @@ static int fjes_probe(struct platform_device *plat_dev) hw->hw_res.start = res->start; hw->hw_res.size = resource_size(res); hw->hw_res.irq = platform_get_irq(plat_dev, 0); + if (hw->hw_res.irq < 0) { + err = hw->hw_res.irq; + goto err_free_control_wq; + } + err = fjes_hw_init(&adapter->hw); if (err) goto err_free_control_wq; diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c index 352f9e75954ce75cf60cfb778578d40c2eab96ed..d2eb33f53993b2b95b5ecde2a2fc349599481371 100644 --- a/drivers/net/hamradio/mkiss.c +++ b/drivers/net/hamradio/mkiss.c @@ -793,13 +793,14 @@ static void mkiss_close(struct tty_struct *tty) */ netif_stop_queue(ax->dev); - /* Free all AX25 frame buffers. */ + unregister_netdev(ax->dev); + + /* Free all AX25 frame buffers after unreg. */ kfree(ax->rbuff); kfree(ax->xbuff); ax->tty = NULL; - unregister_netdev(ax->dev); free_netdev(ax->dev); } diff --git a/drivers/net/hamradio/yam.c b/drivers/net/hamradio/yam.c index 5ab53e9942f3052b16f9e1f867e63901341b67b1..5d30b3e1806ab91fe39f0fa95586e79591035b28 100644 --- a/drivers/net/hamradio/yam.c +++ b/drivers/net/hamradio/yam.c @@ -951,9 +951,7 @@ static int yam_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) sizeof(struct yamdrv_ioctl_mcs)); if (IS_ERR(ym)) return PTR_ERR(ym); - if (ym->cmd != SIOCYAMSMCS) - return -EINVAL; - if (ym->bitrate > YAM_MAXBITRATE) { + if (ym->cmd != SIOCYAMSMCS || ym->bitrate > YAM_MAXBITRATE) { kfree(ym); return -EINVAL; } diff --git a/drivers/net/ieee802154/atusb.c b/drivers/net/ieee802154/atusb.c index 23ee0b14cbfa1f39f5d3a828d2cad130b456bffd..2f5e7b31032aa130f808491b85930b7be07577b9 100644 --- a/drivers/net/ieee802154/atusb.c +++ b/drivers/net/ieee802154/atusb.c @@ -93,7 +93,9 @@ static int atusb_control_msg(struct atusb *atusb, unsigned int pipe, ret = usb_control_msg(usb_dev, pipe, request, requesttype, value, index, data, size, timeout); - if (ret < 0) { + if (ret < size) { + ret = ret < 0 ? ret : -ENODATA; + atusb->err = ret; dev_err(&usb_dev->dev, "%s: req 0x%02x val 0x%x idx 0x%x, error %d\n", @@ -861,9 +863,9 @@ static int atusb_get_and_show_build(struct atusb *atusb) if (!build) return -ENOMEM; - ret = atusb_control_msg(atusb, usb_rcvctrlpipe(usb_dev, 0), - ATUSB_BUILD, ATUSB_REQ_FROM_DEV, 0, 0, - build, ATUSB_BUILD_SIZE, 1000); + /* We cannot call atusb_control_msg() here, since this request may read various length data */ + ret = usb_control_msg(atusb->usb_dev, usb_rcvctrlpipe(usb_dev, 0), ATUSB_BUILD, + ATUSB_REQ_FROM_DEV, 0, 0, build, ATUSB_BUILD_SIZE, 1000); if (ret >= 0) { build[ret] = 0; dev_info(&usb_dev->dev, "Firmware: build %s\n", build); diff --git a/drivers/net/ieee802154/ca8210.c b/drivers/net/ieee802154/ca8210.c index 25dbea302fb6d314f38513d525d1e6ce36476697..7c131a423cafa5d56388f5822de55829aebc5925 100644 --- a/drivers/net/ieee802154/ca8210.c +++ b/drivers/net/ieee802154/ca8210.c @@ -1770,6 +1770,7 @@ static int ca8210_async_xmit_complete( status ); if (status != MAC_TRANSACTION_OVERFLOW) { + dev_kfree_skb_any(priv->tx_skb); ieee802154_wake_queue(priv->hw); return 0; } diff --git a/drivers/net/ieee802154/mac802154_hwsim.c b/drivers/net/ieee802154/mac802154_hwsim.c index 2a78084aeaedbdc2cf82d315f74b84f4f17dec41..1d181eff0c299e65205ddd563f042031cbf5d44c 100644 --- a/drivers/net/ieee802154/mac802154_hwsim.c +++ b/drivers/net/ieee802154/mac802154_hwsim.c @@ -786,6 +786,7 @@ static int hwsim_add_one(struct genl_info *info, struct device *dev, goto err_pib; } + pib->channel = 13; rcu_assign_pointer(phy->pib, pib); phy->idx = idx; INIT_LIST_HEAD(&phy->edges); diff --git a/drivers/net/ieee802154/mcr20a.c b/drivers/net/ieee802154/mcr20a.c index 8dc04e2590b18b1b41239c4ebf8ac1382942a8d5..383231b85464252a9dfc6a20f938247e5b546959 100644 --- a/drivers/net/ieee802154/mcr20a.c +++ b/drivers/net/ieee802154/mcr20a.c @@ -976,8 +976,8 @@ static void mcr20a_hw_setup(struct mcr20a_local *lp) dev_dbg(printdev(lp), "%s\n", __func__); phy->symbol_duration = 16; - phy->lifs_period = 40; - phy->sifs_period = 12; + phy->lifs_period = 40 * phy->symbol_duration; + phy->sifs_period = 12 * phy->symbol_duration; hw->flags = IEEE802154_HW_TX_OMIT_CKSUM | IEEE802154_HW_AFILT | diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c index f233a6933a9760fdb9c5428952711926a84f1ae2..f729f55f6a17405f5b639346b05e27ad2ec16152 100644 --- a/drivers/net/macsec.c +++ b/drivers/net/macsec.c @@ -3247,6 +3247,15 @@ static int macsec_newlink(struct net *net, struct net_device *dev, macsec->real_dev = real_dev; + /* send_sci must be set to true when transmit sci explicitly is set */ + if ((data && data[IFLA_MACSEC_SCI]) && + (data && data[IFLA_MACSEC_INC_SCI])) { + u8 send_sci = !!nla_get_u8(data[IFLA_MACSEC_INC_SCI]); + + if (!send_sci) + return -EINVAL; + } + if (data && data[IFLA_MACSEC_ICV_LEN]) icv_len = nla_get_u8(data[IFLA_MACSEC_ICV_LEN]); mtu = real_dev->mtu - icv_len - macsec_extra_len(true); diff --git a/drivers/net/netdevsim/bpf.c b/drivers/net/netdevsim/bpf.c index 2b74425822ab118b4fc723fcbaa3d91385c33e2b..e0a4acc6144bff4fb09411d2cfe23d2406085aa7 100644 --- a/drivers/net/netdevsim/bpf.c +++ b/drivers/net/netdevsim/bpf.c @@ -510,6 +510,7 @@ nsim_bpf_map_alloc(struct netdevsim *ns, struct bpf_offloaded_map *offmap) goto err_free; key = nmap->entry[i].key; *key = i; + memset(nmap->entry[i].value, 0, offmap->map.value_size); } } diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c index 5e956089bf5252795977e5bc6fa12d8a9d483906..c23fec34b50e9c53a03ff99afc9b1cecc97dc2ab 100644 --- a/drivers/net/phy/broadcom.c +++ b/drivers/net/phy/broadcom.c @@ -646,6 +646,7 @@ static struct phy_driver broadcom_drivers[] = { .phy_id_mask = 0xfffffff0, .name = "Broadcom BCM54616S", /* PHY_GBIT_FEATURES */ + .soft_reset = genphy_soft_reset, .config_init = bcm54xx_config_init, .config_aneg = bcm54616s_config_aneg, .ack_interrupt = bcm_phy_ack_intr, diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index 9dbe625ad4477f7e8d6863f46aa6a132657bea0d..53420c5312667b209960d0961070dbdfbcbfad84 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -444,9 +444,9 @@ static int m88e1121_config_aneg_rgmii_delays(struct phy_device *phydev) else mscr = 0; - return phy_modify_paged(phydev, MII_MARVELL_MSCR_PAGE, - MII_88E1121_PHY_MSCR_REG, - MII_88E1121_PHY_MSCR_DELAY_MASK, mscr); + return phy_modify_paged_changed(phydev, MII_MARVELL_MSCR_PAGE, + MII_88E1121_PHY_MSCR_REG, + MII_88E1121_PHY_MSCR_DELAY_MASK, mscr); } static int m88e1121_config_aneg(struct phy_device *phydev) @@ -460,11 +460,13 @@ static int m88e1121_config_aneg(struct phy_device *phydev) return err; } + changed = err; + err = marvell_set_polarity(phydev, phydev->mdix_ctrl); if (err < 0) return err; - changed = err; + changed |= err; err = genphy_config_aneg(phydev); if (err < 0) @@ -886,16 +888,15 @@ static int m88e1118_config_aneg(struct phy_device *phydev) { int err; - err = genphy_soft_reset(phydev); + err = marvell_set_polarity(phydev, phydev->mdix_ctrl); if (err < 0) return err; - err = marvell_set_polarity(phydev, phydev->mdix_ctrl); + err = genphy_config_aneg(phydev); if (err < 0) return err; - err = genphy_config_aneg(phydev); - return 0; + return genphy_soft_reset(phydev); } static int m88e1118_config_init(struct phy_device *phydev) @@ -917,6 +918,12 @@ static int m88e1118_config_init(struct phy_device *phydev) if (err < 0) return err; + if (phy_interface_is_rgmii(phydev)) { + err = m88e1121_config_aneg_rgmii_delays(phydev); + if (err < 0) + return err; + } + /* Adjust LED Control */ if (phydev->dev_flags & MARVELL_PHY_M1118_DNS323_LEDS) err = phy_write(phydev, 0x10, 0x1100); diff --git a/drivers/net/phy/mdio-aspeed.c b/drivers/net/phy/mdio-aspeed.c index cad820568f75119f70c234d9efe15cb54847bd7f..e2273588c75b6f3dd212269611d7f41a8769ed16 100644 --- a/drivers/net/phy/mdio-aspeed.c +++ b/drivers/net/phy/mdio-aspeed.c @@ -61,6 +61,13 @@ static int aspeed_mdio_read(struct mii_bus *bus, int addr, int regnum) iowrite32(ctrl, ctx->base + ASPEED_MDIO_CTRL); + rc = readl_poll_timeout(ctx->base + ASPEED_MDIO_CTRL, ctrl, + !(ctrl & ASPEED_MDIO_CTRL_FIRE), + ASPEED_MDIO_INTERVAL_US, + ASPEED_MDIO_TIMEOUT_US); + if (rc < 0) + return rc; + rc = readl_poll_timeout(ctx->base + ASPEED_MDIO_DATA, data, data & ASPEED_MDIO_DATA_IDLE, ASPEED_MDIO_INTERVAL_US, @@ -141,6 +148,7 @@ static const struct of_device_id aspeed_mdio_of_match[] = { { .compatible = "aspeed,ast2600-mdio", }, { }, }; +MODULE_DEVICE_TABLE(of, aspeed_mdio_of_match); static struct platform_driver aspeed_mdio_driver = { .driver = { diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index bec73f0640d03cf57d9a36bb938524637b296f02..b0a439248ff696fe5fa2f5996faeebe2a94e2a1d 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -433,7 +433,7 @@ int __mdiobus_register(struct mii_bus *bus, struct module *owner) mdiobus_setup_mdiodev_from_board_info(bus, mdiobus_create_device); bus->state = MDIOBUS_REGISTERED; - pr_info("%s: probed\n", bus->name); + dev_dbg(&bus->dev, "probed\n"); return 0; error: diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c index 0b61d80ea3f8c2b6379cb46c9a8cc3a293242f4e..18cc5e4280e83f8362ba3e14cfffc8156bca99f3 100644 --- a/drivers/net/phy/micrel.c +++ b/drivers/net/phy/micrel.c @@ -1096,6 +1096,7 @@ static struct phy_driver ksphy_driver[] = { .probe = kszphy_probe, .config_init = ksz8081_config_init, .ack_interrupt = kszphy_ack_interrupt, + .soft_reset = genphy_soft_reset, .config_intr = kszphy_config_intr, .get_sset_count = kszphy_get_sset_count, .get_strings = kszphy_get_strings, diff --git a/drivers/net/phy/phy-core.c b/drivers/net/phy/phy-core.c index 9412669b579c7d1292f41ab32fac5197ecf5778d..84064120918f0b0799298917d8cc073326125106 100644 --- a/drivers/net/phy/phy-core.c +++ b/drivers/net/phy/phy-core.c @@ -128,11 +128,11 @@ static const struct phy_setting settings[] = { PHY_SETTING( 2500, FULL, 2500baseT_Full ), PHY_SETTING( 2500, FULL, 2500baseX_Full ), /* 1G */ - PHY_SETTING( 1000, FULL, 1000baseKX_Full ), PHY_SETTING( 1000, FULL, 1000baseT_Full ), PHY_SETTING( 1000, HALF, 1000baseT_Half ), PHY_SETTING( 1000, FULL, 1000baseT1_Full ), PHY_SETTING( 1000, FULL, 1000baseX_Full ), + PHY_SETTING( 1000, FULL, 1000baseKX_Full ), /* 100M */ PHY_SETTING( 100, FULL, 100baseT_Full ), PHY_SETTING( 100, FULL, 100baseT1_Full ), diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 35ade5d21de5138e54488a586fbd98c4f0b43746..78b918dcd5472b940d637fb4d63f38e6112a4377 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -1433,6 +1433,9 @@ void phy_detach(struct phy_device *phydev) phy_driver_is_genphy_10g(phydev)) device_release_driver(&phydev->mdio.dev); + /* Assert the reset signal */ + phy_device_reset(phydev, 1); + /* * The phydev might go away on the put_device() below, so avoid * a use-after-free bug by reading the underlying bus first. @@ -1444,9 +1447,6 @@ void phy_detach(struct phy_device *phydev) ndev_owner = dev->dev.parent->driver->owner; if (ndev_owner != bus->owner) module_put(bus->owner); - - /* Assert the reset signal */ - phy_device_reset(phydev, 1); } EXPORT_SYMBOL(phy_detach); diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c index 7be43a1eaefdade6dfb9eb14fdec20b742c2bba7..5b2bf7526903397e565ca20580e2c669994e02e6 100644 --- a/drivers/net/phy/phylink.c +++ b/drivers/net/phy/phylink.c @@ -582,6 +582,11 @@ static int phylink_register_sfp(struct phylink *pl, return ret; } + if (!fwnode_device_is_available(ref.fwnode)) { + fwnode_handle_put(ref.fwnode); + return 0; + } + pl->sfp_bus = sfp_register_upstream(ref.fwnode, pl, &sfp_phylink_ops); if (!pl->sfp_bus) return -ENOMEM; diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c index c6c41a7836c93c732595211f5c34d13c7b406fff..a085213dc2eaa7721433f00e98fc464eaab6245e 100644 --- a/drivers/net/ppp/ppp_generic.c +++ b/drivers/net/ppp/ppp_generic.c @@ -69,6 +69,8 @@ #define MPHDRLEN 6 /* multilink protocol header length */ #define MPHDRLEN_SSN 4 /* ditto with short sequence numbers */ +#define PPP_PROTO_LEN 2 + /* * An instance of /dev/ppp can be associated with either a ppp * interface unit or a ppp channel. In both cases, file->private_data @@ -498,6 +500,9 @@ static ssize_t ppp_write(struct file *file, const char __user *buf, if (!pf) return -ENXIO; + /* All PPP packets should start with the 2-byte protocol */ + if (count < PPP_PROTO_LEN) + return -EINVAL; ret = -ENOMEM; skb = alloc_skb(count + pf->hdrlen, GFP_KERNEL); if (!skb) @@ -1544,7 +1549,7 @@ ppp_send_frame(struct ppp *ppp, struct sk_buff *skb) } ++ppp->stats64.tx_packets; - ppp->stats64.tx_bytes += skb->len - 2; + ppp->stats64.tx_bytes += skb->len - PPP_PROTO_LEN; switch (proto) { case PPP_IP: diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 7c40ae058e6d1d1163c2996ed0e9dcc3562cfcd5..10211ea60514005e50c7a6af22df86acd3330a85 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1071,6 +1071,7 @@ static netdev_tx_t tun_net_xmit(struct sk_buff *skb, struct net_device *dev) { struct tun_struct *tun = netdev_priv(dev); int txq = skb->queue_mapping; + struct netdev_queue *queue; struct tun_file *tfile; int len = skb->len; @@ -1117,6 +1118,10 @@ static netdev_tx_t tun_net_xmit(struct sk_buff *skb, struct net_device *dev) if (ptr_ring_produce(&tfile->tx_ring, skb)) goto drop; + /* NETIF_F_LLTX requires to do our own update of trans_start */ + queue = netdev_get_tx_queue(dev, txq); + queue->trans_start = jiffies; + /* Notify and wake up reader process */ if (tfile->flags & TUN_FASYNC) kill_fasync(&tfile->fasync, SIGIO, POLL_IN); diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c index ec4b148b1e6c32fe72b13a745f2f4c5a9f3545cb..a06c3924e039630a1262617e32a1da49f5e630e7 100644 --- a/drivers/net/usb/ax88179_178a.c +++ b/drivers/net/usb/ax88179_178a.c @@ -1361,58 +1361,68 @@ static int ax88179_rx_fixup(struct usbnet *dev, struct sk_buff *skb) u16 hdr_off; u32 *pkt_hdr; - /* This check is no longer done by usbnet */ - if (skb->len < dev->net->hard_header_len) + /* At the end of the SKB, there's a header telling us how many packets + * are bundled into this buffer and where we can find an array of + * per-packet metadata (which contains elements encoded into u16). + */ + if (skb->len < 4) return 0; - skb_trim(skb, skb->len - 4); rx_hdr = get_unaligned_le32(skb_tail_pointer(skb)); - pkt_cnt = (u16)rx_hdr; hdr_off = (u16)(rx_hdr >> 16); + + if (pkt_cnt == 0) + return 0; + + /* Make sure that the bounds of the metadata array are inside the SKB + * (and in front of the counter at the end). + */ + if (pkt_cnt * 2 + hdr_off > skb->len) + return 0; pkt_hdr = (u32 *)(skb->data + hdr_off); - while (pkt_cnt--) { + /* Packets must not overlap the metadata array */ + skb_trim(skb, hdr_off); + + for (; ; pkt_cnt--, pkt_hdr++) { u16 pkt_len; le32_to_cpus(pkt_hdr); pkt_len = (*pkt_hdr >> 16) & 0x1fff; - /* Check CRC or runt packet */ - if ((*pkt_hdr & AX_RXHDR_CRC_ERR) || - (*pkt_hdr & AX_RXHDR_DROP_ERR)) { - skb_pull(skb, (pkt_len + 7) & 0xFFF8); - pkt_hdr++; - continue; - } - - if (pkt_cnt == 0) { - skb->len = pkt_len; - /* Skip IP alignment pseudo header */ - skb_pull(skb, 2); - skb_set_tail_pointer(skb, skb->len); - skb->truesize = pkt_len + sizeof(struct sk_buff); - ax88179_rx_checksum(skb, pkt_hdr); - return 1; - } + if (pkt_len > skb->len) + return 0; - ax_skb = skb_clone(skb, GFP_ATOMIC); - if (ax_skb) { + /* Check CRC or runt packet */ + if (((*pkt_hdr & (AX_RXHDR_CRC_ERR | AX_RXHDR_DROP_ERR)) == 0) && + pkt_len >= 2 + ETH_HLEN) { + bool last = (pkt_cnt == 0); + + if (last) { + ax_skb = skb; + } else { + ax_skb = skb_clone(skb, GFP_ATOMIC); + if (!ax_skb) + return 0; + } ax_skb->len = pkt_len; /* Skip IP alignment pseudo header */ skb_pull(ax_skb, 2); skb_set_tail_pointer(ax_skb, ax_skb->len); ax_skb->truesize = pkt_len + sizeof(struct sk_buff); ax88179_rx_checksum(ax_skb, pkt_hdr); + + if (last) + return 1; + usbnet_skb_return(dev, ax_skb); - } else { - return 0; } - skb_pull(skb, (pkt_len + 7) & 0xFFF8); - pkt_hdr++; + /* Trim this packet away from the SKB */ + if (!skb_pull(skb, (pkt_len + 7) & 0xFFF8)) + return 0; } - return 1; } static struct sk_buff * diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index 4cff0a6b1098af098bee2374aa86b9ea10fb6aa5..1c9a1b94f6e2860d1d56105856df10291a9577b0 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -177,6 +177,8 @@ static u32 cdc_ncm_check_tx_max(struct usbnet *dev, u32 new_tx) /* clamp new_tx to sane values */ min = ctx->max_datagram_size + ctx->max_ndp_size + sizeof(struct usb_cdc_ncm_nth16); max = min_t(u32, CDC_NCM_NTB_MAX_SIZE_TX, le32_to_cpu(ctx->ncm_parm.dwNtbOutMaxSize)); + if (max == 0) + max = CDC_NCM_NTB_MAX_SIZE_TX; /* dwNtbOutMaxSize not set */ /* some devices set dwNtbOutMaxSize too low for the above default */ min = min(min, max); diff --git a/drivers/net/usb/ipheth.c b/drivers/net/usb/ipheth.c index 345576f1a7470763bead8ea3bb95ed40495fdbf7..73ad78f47763c5e97fee600ed7d2aebdf2a82435 100644 --- a/drivers/net/usb/ipheth.c +++ b/drivers/net/usb/ipheth.c @@ -121,7 +121,7 @@ static int ipheth_alloc_urbs(struct ipheth_device *iphone) if (tx_buf == NULL) goto free_rx_urb; - rx_buf = usb_alloc_coherent(iphone->udev, IPHETH_BUF_SIZE, + rx_buf = usb_alloc_coherent(iphone->udev, IPHETH_BUF_SIZE + IPHETH_IP_ALIGN, GFP_KERNEL, &rx_urb->transfer_dma); if (rx_buf == NULL) goto free_tx_buf; @@ -146,7 +146,7 @@ static int ipheth_alloc_urbs(struct ipheth_device *iphone) static void ipheth_free_urbs(struct ipheth_device *iphone) { - usb_free_coherent(iphone->udev, IPHETH_BUF_SIZE, iphone->rx_buf, + usb_free_coherent(iphone->udev, IPHETH_BUF_SIZE + IPHETH_IP_ALIGN, iphone->rx_buf, iphone->rx_urb->transfer_dma); usb_free_coherent(iphone->udev, IPHETH_BUF_SIZE, iphone->tx_buf, iphone->tx_urb->transfer_dma); @@ -317,7 +317,7 @@ static int ipheth_rx_submit(struct ipheth_device *dev, gfp_t mem_flags) usb_fill_bulk_urb(dev->rx_urb, udev, usb_rcvbulkpipe(udev, dev->bulk_in), - dev->rx_buf, IPHETH_BUF_SIZE, + dev->rx_buf, IPHETH_BUF_SIZE + IPHETH_IP_ALIGN, ipheth_rcvbulk_callback, dev); dev->rx_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c index fe830b72c3b0f3488a285ddf4d875d2d64418d57..ce3c8f476d75c3acc9b4f9ef650bb287953171a9 100644 --- a/drivers/net/usb/lan78xx.c +++ b/drivers/net/usb/lan78xx.c @@ -64,6 +64,8 @@ #define LAN7801_USB_PRODUCT_ID (0x7801) #define LAN78XX_EEPROM_MAGIC (0x78A5) #define LAN78XX_OTP_MAGIC (0x78F3) +#define AT29M2AF_USB_VENDOR_ID (0x07C9) +#define AT29M2AF_USB_PRODUCT_ID (0x0012) #define MII_READ 1 #define MII_WRITE 0 @@ -2136,7 +2138,7 @@ static int lan78xx_phy_init(struct lan78xx_net *dev) if (dev->domain_data.phyirq > 0) phydev->irq = dev->domain_data.phyirq; else - phydev->irq = 0; + phydev->irq = PHY_POLL; netdev_dbg(dev->net, "phydev->irq = %d\n", phydev->irq); /* set to AUTOMDIX */ @@ -4153,6 +4155,10 @@ static const struct usb_device_id products[] = { /* LAN7801 USB Gigabit Ethernet Device */ USB_DEVICE(LAN78XX_USB_VENDOR_ID, LAN7801_USB_PRODUCT_ID), }, + { + /* ATM2-AF USB Gigabit Ethernet Device */ + USB_DEVICE(AT29M2AF_USB_VENDOR_ID, AT29M2AF_USB_PRODUCT_ID), + }, {}, }; MODULE_DEVICE_TABLE(usb, products); diff --git a/drivers/net/usb/mcs7830.c b/drivers/net/usb/mcs7830.c index 09bfa6a4dfbc17ecd40bc1fd37f23a8e88b75afe..7e40e2e2f37230c43ac875997485e23741abb420 100644 --- a/drivers/net/usb/mcs7830.c +++ b/drivers/net/usb/mcs7830.c @@ -108,8 +108,16 @@ static const char driver_name[] = "MOSCHIP usb-ethernet driver"; static int mcs7830_get_reg(struct usbnet *dev, u16 index, u16 size, void *data) { - return usbnet_read_cmd(dev, MCS7830_RD_BREQ, MCS7830_RD_BMREQ, - 0x0000, index, data, size); + int ret; + + ret = usbnet_read_cmd(dev, MCS7830_RD_BREQ, MCS7830_RD_BMREQ, + 0x0000, index, data, size); + if (ret < 0) + return ret; + else if (ret < size) + return -ENODATA; + + return ret; } static int mcs7830_set_reg(struct usbnet *dev, u16 index, u16 size, const void *data) diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c index b744c09346a7c44c65c002634ac675c15aa43c0c..dda051c94fb4d2e45bb2a9fe5d1ec2f1bb82a5af 100644 --- a/drivers/net/usb/pegasus.c +++ b/drivers/net/usb/pegasus.c @@ -495,11 +495,11 @@ static void read_bulk_callback(struct urb *urb) goto goon; rx_status = buf[count - 2]; - if (rx_status & 0x1e) { + if (rx_status & 0x1c) { netif_dbg(pegasus, rx_err, net, "RX packet error %x\n", rx_status); net->stats.rx_errors++; - if (rx_status & 0x06) /* long or runt */ + if (rx_status & 0x04) /* runt */ net->stats.rx_length_errors++; if (rx_status & 0x08) net->stats.rx_crc_errors++; diff --git a/drivers/net/usb/rndis_host.c b/drivers/net/usb/rndis_host.c index f9b359d4e29398379e95063dbd88b3d44e9acbc3..1505fe3f87ed395a62b2a1d71e60fe98581a6c24 100644 --- a/drivers/net/usb/rndis_host.c +++ b/drivers/net/usb/rndis_host.c @@ -608,6 +608,11 @@ static const struct usb_device_id products [] = { USB_DEVICE_AND_INTERFACE_INFO(0x1630, 0x0042, USB_CLASS_COMM, 2 /* ACM */, 0x0ff), .driver_info = (unsigned long) &rndis_poll_status_info, +}, { + /* Hytera Communications DMR radios' "Radio to PC Network" */ + USB_VENDOR_AND_INTERFACE_INFO(0x238b, + USB_CLASS_COMM, 2 /* ACM */, 0x0ff), + .driver_info = (unsigned long)&rndis_info, }, { /* RNDIS is MSFT's un-official variant of CDC ACM */ USB_INTERFACE_INFO(USB_CLASS_COMM, 2 /* ACM */, 0x0ff), diff --git a/drivers/net/veth.c b/drivers/net/veth.c index 44ad412f9a06f817b74f77425e4401690039a7e9..10a876f8831c7571ba3ac69bd22d35bf1ba478ff 100644 --- a/drivers/net/veth.c +++ b/drivers/net/veth.c @@ -209,9 +209,10 @@ static void __veth_xdp_flush(struct veth_rq *rq) { /* Write ptr_ring before reading rx_notify_masked */ smp_mb(); - if (!rq->rx_notify_masked) { - rq->rx_notify_masked = true; - napi_schedule(&rq->xdp_napi); + if (!READ_ONCE(rq->rx_notify_masked) && + napi_schedule_prep(&rq->xdp_napi)) { + WRITE_ONCE(rq->rx_notify_masked, true); + __napi_schedule(&rq->xdp_napi); } } @@ -254,7 +255,6 @@ static netdev_tx_t veth_xmit(struct sk_buff *skb, struct net_device *dev) if (rxq < rcv->real_num_rx_queues) { rq = &rcv_priv->rq[rxq]; rcv_xdp = rcu_access_pointer(rq->xdp_prog); - skb_record_rx_queue(skb, rxq); } skb_tx_timestamp(skb); @@ -781,8 +781,10 @@ static int veth_poll(struct napi_struct *napi, int budget) /* Write rx_notify_masked before reading ptr_ring */ smp_store_mb(rq->rx_notify_masked, false); if (unlikely(!__ptr_ring_empty(&rq->xdp_ring))) { - rq->rx_notify_masked = true; - napi_schedule(&rq->xdp_napi); + if (napi_schedule_prep(&rq->xdp_napi)) { + WRITE_ONCE(rq->rx_notify_masked, true); + __napi_schedule(&rq->xdp_napi); + } } } diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c index f436b8c1306118a72af6faf15435924000e023a7..b51a2367dbaa066483b71beb92890f3185bdf946 100644 --- a/drivers/net/vrf.c +++ b/drivers/net/vrf.c @@ -221,6 +221,7 @@ static netdev_tx_t vrf_process_v6_outbound(struct sk_buff *skb, /* strip the ethernet header added for pass through VRF device */ __skb_pull(skb, skb_network_offset(skb)); + memset(IP6CB(skb), 0, sizeof(*IP6CB(skb))); ret = vrf_ip6_local_out(net, skb->sk, skb); if (unlikely(net_xmit_eval(ret))) dev->stats.tx_errors++; @@ -304,6 +305,7 @@ static netdev_tx_t vrf_process_v4_outbound(struct sk_buff *skb, RT_SCOPE_LINK); } + memset(IPCB(skb), 0, sizeof(*IPCB(skb))); ret = vrf_ip_local_out(dev_net(skb_dst(skb)->dev), skb->sk, skb); if (unlikely(net_xmit_eval(ret))) vrf_dev->stats.tx_errors++; @@ -493,8 +495,6 @@ static struct sk_buff *vrf_ip6_out_direct(struct net_device *vrf_dev, skb->dev = vrf_dev; - vrf_nf_set_untracked(skb); - err = nf_hook(NFPROTO_IPV6, NF_INET_LOCAL_OUT, net, sk, skb, NULL, vrf_dev, vrf_ip6_out_direct_finish); @@ -515,6 +515,8 @@ static struct sk_buff *vrf_ip6_out(struct net_device *vrf_dev, if (rt6_need_strict(&ipv6_hdr(skb)->daddr)) return skb; + vrf_nf_set_untracked(skb); + if (qdisc_tx_is_default(vrf_dev) || IP6CB(skb)->flags & IP6SKB_XFRM_TRANSFORMED) return vrf_ip6_out_direct(vrf_dev, sk, skb); @@ -730,8 +732,6 @@ static struct sk_buff *vrf_ip_out_direct(struct net_device *vrf_dev, skb->dev = vrf_dev; - vrf_nf_set_untracked(skb); - err = nf_hook(NFPROTO_IPV4, NF_INET_LOCAL_OUT, net, sk, skb, NULL, vrf_dev, vrf_ip_out_direct_finish); @@ -753,6 +753,8 @@ static struct sk_buff *vrf_ip_out(struct net_device *vrf_dev, ipv4_is_lbcast(ip_hdr(skb)->daddr)) return skb; + vrf_nf_set_untracked(skb); + if (qdisc_tx_is_default(vrf_dev) || IPCB(skb)->flags & IPSKB_XFRM_TRANSFORMED) return vrf_ip_out_direct(vrf_dev, sk, skb); diff --git a/drivers/net/wireless/ath/ar5523/ar5523.c b/drivers/net/wireless/ath/ar5523/ar5523.c index 4c57e79e5779aad51b37f332807b2fe4f0adf43b..58e189ec672f92d19ed3e349c4748325183fd891 100644 --- a/drivers/net/wireless/ath/ar5523/ar5523.c +++ b/drivers/net/wireless/ath/ar5523/ar5523.c @@ -153,6 +153,10 @@ static void ar5523_cmd_rx_cb(struct urb *urb) ar5523_err(ar, "Invalid reply to WDCMSG_TARGET_START"); return; } + if (!cmd->odata) { + ar5523_err(ar, "Unexpected WDCMSG_TARGET_START reply"); + return; + } memcpy(cmd->odata, hdr + 1, sizeof(u32)); cmd->olen = sizeof(u32); cmd->res = 0; diff --git a/drivers/net/wireless/ath/ath10k/htt_tx.c b/drivers/net/wireless/ath/ath10k/htt_tx.c index c38e1963ebc05dfcbcc7128a9d09dda7a7303f29..f73ed1044390c7a675c825b89bc0dc98e0b56ee4 100644 --- a/drivers/net/wireless/ath/ath10k/htt_tx.c +++ b/drivers/net/wireless/ath/ath10k/htt_tx.c @@ -147,6 +147,9 @@ void ath10k_htt_tx_dec_pending(struct ath10k_htt *htt) htt->num_pending_tx--; if (htt->num_pending_tx == htt->max_num_pending_tx - 1) ath10k_mac_tx_unlock(htt->ar, ATH10K_TX_PAUSE_Q_FULL); + + if (htt->num_pending_tx == 0) + wake_up(&htt->empty_tx_wq); } int ath10k_htt_tx_inc_pending(struct ath10k_htt *htt) diff --git a/drivers/net/wireless/ath/ath10k/txrx.c b/drivers/net/wireless/ath/ath10k/txrx.c index f46b9083bbf10941bd60778cca6e66044aefa98f..2c254f43790d22abec1e40e2d037a8171488abd6 100644 --- a/drivers/net/wireless/ath/ath10k/txrx.c +++ b/drivers/net/wireless/ath/ath10k/txrx.c @@ -80,8 +80,6 @@ int ath10k_txrx_tx_unref(struct ath10k_htt *htt, ath10k_htt_tx_free_msdu_id(htt, tx_done->msdu_id); ath10k_htt_tx_dec_pending(htt); - if (htt->num_pending_tx == 0) - wake_up(&htt->empty_tx_wq); spin_unlock_bh(&htt->tx_lock); rcu_read_lock(); diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c index 2ed98aaed6fb5ae73c4af4db8681088ef14dc92b..c8c7afe0e343e8e4377c4f05ff66eca45f5132ef 100644 --- a/drivers/net/wireless/ath/ath9k/hif_usb.c +++ b/drivers/net/wireless/ath/ath9k/hif_usb.c @@ -590,6 +590,13 @@ static void ath9k_hif_usb_rx_stream(struct hif_device_usb *hif_dev, return; } + if (pkt_len > 2 * MAX_RX_BUF_SIZE) { + dev_err(&hif_dev->udev->dev, + "ath9k_htc: invalid pkt_len (%x)\n", pkt_len); + RX_STAT_INC(skb_dropped); + return; + } + pad_len = 4 - (pkt_len & 0x3); if (pad_len == 4) pad_len = 0; diff --git a/drivers/net/wireless/ath/wcn36xx/dxe.c b/drivers/net/wireless/ath/wcn36xx/dxe.c index 4da25e84793b7273e40b22cda17154f03128ed35..c400261352bc8a0691f583f7244365b4e5425609 100644 --- a/drivers/net/wireless/ath/wcn36xx/dxe.c +++ b/drivers/net/wireless/ath/wcn36xx/dxe.c @@ -952,4 +952,9 @@ void wcn36xx_dxe_deinit(struct wcn36xx *wcn) wcn36xx_dxe_ch_free_skbs(wcn, &wcn->dxe_rx_l_ch); wcn36xx_dxe_ch_free_skbs(wcn, &wcn->dxe_rx_h_ch); + + wcn36xx_dxe_deinit_descs(wcn->dev, &wcn->dxe_tx_l_ch); + wcn36xx_dxe_deinit_descs(wcn->dev, &wcn->dxe_tx_h_ch); + wcn36xx_dxe_deinit_descs(wcn->dev, &wcn->dxe_rx_l_ch); + wcn36xx_dxe_deinit_descs(wcn->dev, &wcn->dxe_rx_h_ch); } diff --git a/drivers/net/wireless/ath/wcn36xx/smd.c b/drivers/net/wireless/ath/wcn36xx/smd.c index a7532028bf9db8fe9db7644489484160a0f3e19b..74cf173c186ff1f1e0b263a4771d7c9a619a13c3 100644 --- a/drivers/net/wireless/ath/wcn36xx/smd.c +++ b/drivers/net/wireless/ath/wcn36xx/smd.c @@ -2311,7 +2311,7 @@ static int wcn36xx_smd_missed_beacon_ind(struct wcn36xx *wcn, wcn36xx_dbg(WCN36XX_DBG_HAL, "beacon missed bss_index %d\n", tmp->bss_index); vif = wcn36xx_priv_to_vif(tmp); - ieee80211_connection_loss(vif); + ieee80211_beacon_loss(vif); } return 0; } @@ -2326,7 +2326,7 @@ static int wcn36xx_smd_missed_beacon_ind(struct wcn36xx *wcn, wcn36xx_dbg(WCN36XX_DBG_HAL, "beacon missed bss_index %d\n", rsp->bss_index); vif = wcn36xx_priv_to_vif(tmp); - ieee80211_connection_loss(vif); + ieee80211_beacon_loss(vif); return 0; } } diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c index ff0519ea00a5f9bf45b3c988b30d8a36abdf22a3..83cb2ad03451bc5e21045830e35541afe07134fb 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c @@ -183,6 +183,9 @@ static void iwl_dealloc_ucode(struct iwl_drv *drv) for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) iwl_free_fw_img(drv, drv->fw.img + i); + + /* clear the data for the aborted load case */ + memset(&drv->fw, 0, sizeof(drv->fw)); } static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc, @@ -1276,23 +1279,31 @@ _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op) const struct iwl_op_mode_ops *ops = op->ops; struct dentry *dbgfs_dir = NULL; struct iwl_op_mode *op_mode = NULL; + int retry, max_retry = !!iwlwifi_mod_params.fw_restart * IWL_MAX_INIT_RETRY; + + for (retry = 0; retry <= max_retry; retry++) { #ifdef CONFIG_IWLWIFI_DEBUGFS - drv->dbgfs_op_mode = debugfs_create_dir(op->name, - drv->dbgfs_drv); - dbgfs_dir = drv->dbgfs_op_mode; + drv->dbgfs_op_mode = debugfs_create_dir(op->name, + drv->dbgfs_drv); + dbgfs_dir = drv->dbgfs_op_mode; #endif - op_mode = ops->start(drv->trans, drv->trans->cfg, &drv->fw, dbgfs_dir); + op_mode = ops->start(drv->trans, drv->trans->cfg, + &drv->fw, dbgfs_dir); + + if (op_mode) + return op_mode; + + IWL_ERR(drv, "retry init count %d\n", retry); #ifdef CONFIG_IWLWIFI_DEBUGFS - if (!op_mode) { debugfs_remove_recursive(drv->dbgfs_op_mode); drv->dbgfs_op_mode = NULL; - } #endif + } - return op_mode; + return NULL; } static void _iwl_op_mode_stop(struct iwl_drv *drv) @@ -1330,6 +1341,7 @@ static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context) int i; bool load_module = false; bool usniffer_images = false; + bool failure = true; fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH; fw->ucode_capa.standard_phy_calibration_size = @@ -1587,15 +1599,9 @@ static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context) * else from proceeding if the module fails to load * or hangs loading. */ - if (load_module) { + if (load_module) request_module("%s", op->name); -#ifdef CONFIG_IWLWIFI_OPMODE_MODULAR - if (err) - IWL_ERR(drv, - "failed to load module %s (error %d), is dynamic loading enabled?\n", - op->name, err); -#endif - } + failure = false; goto free; try_again: @@ -1611,6 +1617,9 @@ static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context) complete(&drv->request_firmware_complete); device_release_driver(drv->trans->dev); free: + if (failure) + iwl_dealloc_ucode(drv); + if (pieces) { for (i = 0; i < ARRAY_SIZE(pieces->img); i++) kfree(pieces->img[i].sec); diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.h b/drivers/net/wireless/intel/iwlwifi/iwl-drv.h index 2be30af7bdc30861bea107a2e941dc29ab2c57ec..9663db12b6f32e28c1c21625ca1468cd6492fb21 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.h @@ -145,4 +145,7 @@ void iwl_drv_stop(struct iwl_drv *drv); #define IWL_EXPORT_SYMBOL(sym) #endif +/* max retry for init flow */ +#define IWL_MAX_INIT_RETRY 2 + #endif /* __iwl_drv_h__ */ diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index 081cbc9ec736824bf2b411fb80bd168523b176cc..29ad7804d77aacacd5e8ea13b239bd15c43e640f 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -71,6 +71,7 @@ #include #include +#include "iwl-drv.h" #include "iwl-op-mode.h" #include "iwl-io.h" #include "mvm.h" @@ -1129,9 +1130,30 @@ static int iwl_mvm_mac_start(struct ieee80211_hw *hw) { struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); int ret; + int retry, max_retry = 0; mutex_lock(&mvm->mutex); - ret = __iwl_mvm_mac_start(mvm); + + /* we are starting the mac not in error flow, and restart is enabled */ + if (!test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status) && + iwlwifi_mod_params.fw_restart) { + max_retry = IWL_MAX_INIT_RETRY; + /* + * This will prevent mac80211 recovery flows to trigger during + * init failures + */ + set_bit(IWL_MVM_STATUS_STARTING, &mvm->status); + } + + for (retry = 0; retry <= max_retry; retry++) { + ret = __iwl_mvm_mac_start(mvm); + if (!ret) + break; + + IWL_ERR(mvm, "mac start retry %d\n", retry); + } + clear_bit(IWL_MVM_STATUS_STARTING, &mvm->status); + mutex_unlock(&mvm->mutex); return ret; @@ -1674,6 +1696,7 @@ static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm) struct iwl_mvm_mc_iter_data iter_data = { .mvm = mvm, }; + int ret; lockdep_assert_held(&mvm->mutex); @@ -1683,6 +1706,22 @@ static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm) ieee80211_iterate_active_interfaces_atomic( mvm->hw, IEEE80211_IFACE_ITER_NORMAL, iwl_mvm_mc_iface_iterator, &iter_data); + + /* + * Send a (synchronous) ech command so that we wait for the + * multiple asynchronous MCAST_FILTER_CMD commands sent by + * the interface iterator. Otherwise, we might get here over + * and over again (by userspace just sending a lot of these) + * and the CPU can send them faster than the firmware can + * process them. + * Note that the CPU is still faster - but with this we'll + * actually send fewer commands overall because the CPU will + * not schedule the work in mac80211 as frequently if it's + * still running when rescheduled (possibly multiple times). + */ + ret = iwl_mvm_send_cmd_pdu(mvm, ECHO_CMD, 0, 0, NULL); + if (ret) + IWL_ERR(mvm, "Failed to synchronize multicast groups update\n"); } static u64 iwl_mvm_prepare_multicast(struct ieee80211_hw *hw, diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h index 5f1ecbb6fb71d7c2ebbda0bdd133fb3fc978b7d9..b06a9da753ff784c5ecd07ee60b4d1205c1c2224 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h @@ -1167,6 +1167,8 @@ struct iwl_mvm { * @IWL_MVM_STATUS_ROC_AUX_RUNNING: AUX remain-on-channel is running * @IWL_MVM_STATUS_FIRMWARE_RUNNING: firmware is running * @IWL_MVM_STATUS_NEED_FLUSH_P2P: need to flush P2P bcast STA + * @IWL_MVM_STATUS_STARTING: starting mac, + * used to disable restart flow while in STARTING state */ enum iwl_mvm_status { IWL_MVM_STATUS_HW_RFKILL, @@ -1177,6 +1179,7 @@ enum iwl_mvm_status { IWL_MVM_STATUS_ROC_AUX_RUNNING, IWL_MVM_STATUS_FIRMWARE_RUNNING, IWL_MVM_STATUS_NEED_FLUSH_P2P, + IWL_MVM_STATUS_STARTING, }; /* Keep track of completed init configuration */ diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index a9aab6c690e85b7d74b6756d3c0e6d49f52ad0a3..5973eecbc0378337417e4068e05ce932ad6349e4 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -1288,6 +1288,9 @@ void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error) */ if (!mvm->fw_restart && fw_error) { iwl_fw_error_collect(&mvm->fwrt); + } else if (test_bit(IWL_MVM_STATUS_STARTING, + &mvm->status)) { + IWL_ERR(mvm, "Starting mac, retry will be triggered anyway\n"); } else if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { struct iwl_mvm_reprobe *reprobe; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c index a6e2a30eb3109d873536db761eb081970b5718a7..52c6edc621ced348228a9d839a3916003cd909e1 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c @@ -177,12 +177,39 @@ static int iwl_mvm_create_skb(struct iwl_mvm *mvm, struct sk_buff *skb, struct iwl_rx_mpdu_desc *desc = (void *)pkt->data; unsigned int headlen, fraglen, pad_len = 0; unsigned int hdrlen = ieee80211_hdrlen(hdr->frame_control); + u8 mic_crc_len = u8_get_bits(desc->mac_flags1, + IWL_RX_MPDU_MFLG1_MIC_CRC_LEN_MASK) << 1; if (desc->mac_flags2 & IWL_RX_MPDU_MFLG2_PAD) { len -= 2; pad_len = 2; } + /* + * For non monitor interface strip the bytes the RADA might not have + * removed. As monitor interface cannot exist with other interfaces + * this removal is safe. + */ + if (mic_crc_len && !ieee80211_hw_check(mvm->hw, RX_INCLUDES_FCS)) { + u32 pkt_flags = le32_to_cpu(pkt->len_n_flags); + + /* + * If RADA was not enabled then decryption was not performed so + * the MIC cannot be removed. + */ + if (!(pkt_flags & FH_RSCSR_RADA_EN)) { + if (WARN_ON(crypt_len > mic_crc_len)) + return -EINVAL; + + mic_crc_len -= crypt_len; + } + + if (WARN_ON(mic_crc_len > len)) + return -EINVAL; + + len -= mic_crc_len; + } + /* If frame is small enough to fit in skb->head, pull it completely. * If not, only pull ieee80211_hdr (including crypto if present, and * an additional 8 bytes for SNAP/ethertype, see below) so that diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c index 8aa567d7912c2c3d64af9e314d27a00808b57148..3a58267d3d710f141f3e622c06558c4807d5d911 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c @@ -1700,7 +1700,7 @@ static int iwl_mvm_check_running_scans(struct iwl_mvm *mvm, int type) return -EIO; } -#define SCAN_TIMEOUT 20000 +#define SCAN_TIMEOUT 30000 void iwl_mvm_scan_timeout_wk(struct work_struct *work) { diff --git a/drivers/net/wireless/marvell/mwifiex/cmdevt.c b/drivers/net/wireless/marvell/mwifiex/cmdevt.c index e8788c35a453dc8f8b483b707b03bbb4280d03c6..ec04515bd9dfa373f820234e098d55f1809996dc 100644 --- a/drivers/net/wireless/marvell/mwifiex/cmdevt.c +++ b/drivers/net/wireless/marvell/mwifiex/cmdevt.c @@ -322,9 +322,9 @@ static int mwifiex_dnld_sleep_confirm_cmd(struct mwifiex_adapter *adapter) adapter->seq_num++; sleep_cfm_buf->seq_num = - cpu_to_le16((HostCmd_SET_SEQ_NO_BSS_INFO + cpu_to_le16(HostCmd_SET_SEQ_NO_BSS_INFO (adapter->seq_num, priv->bss_num, - priv->bss_type))); + priv->bss_type)); mwifiex_dbg(adapter, CMD, "cmd: DNLD_CMD: %#x, act %#x, len %d, seqno %#x\n", diff --git a/drivers/net/wireless/marvell/mwifiex/fw.h b/drivers/net/wireless/marvell/mwifiex/fw.h index 8b9d0809daf62f8202b1ba187df7a3a94ea7c8d1..076ea1c4b921d8369aed1346f065fbbe96fee37f 100644 --- a/drivers/net/wireless/marvell/mwifiex/fw.h +++ b/drivers/net/wireless/marvell/mwifiex/fw.h @@ -512,10 +512,10 @@ enum mwifiex_channel_flags { #define RF_ANTENNA_AUTO 0xFFFF -#define HostCmd_SET_SEQ_NO_BSS_INFO(seq, num, type) { \ - (((seq) & 0x00ff) | \ - (((num) & 0x000f) << 8)) | \ - (((type) & 0x000f) << 12); } +#define HostCmd_SET_SEQ_NO_BSS_INFO(seq, num, type) \ + ((((seq) & 0x00ff) | \ + (((num) & 0x000f) << 8)) | \ + (((type) & 0x000f) << 12)) #define HostCmd_GET_SEQ_NO(seq) \ ((seq) & HostCmd_SEQ_NUM_MASK) diff --git a/drivers/net/wireless/marvell/mwifiex/sta_event.c b/drivers/net/wireless/marvell/mwifiex/sta_event.c index 5fdffb114913dcc2ff6ff7f241d3181c4d1119b1..fd120938638013a1c0feed16a4fc15540d51e052 100644 --- a/drivers/net/wireless/marvell/mwifiex/sta_event.c +++ b/drivers/net/wireless/marvell/mwifiex/sta_event.c @@ -364,10 +364,12 @@ static void mwifiex_process_uap_tx_pause(struct mwifiex_private *priv, sta_ptr = mwifiex_get_sta_entry(priv, tp->peermac); if (sta_ptr && sta_ptr->tx_pause != tp->tx_pause) { sta_ptr->tx_pause = tp->tx_pause; + spin_unlock_bh(&priv->sta_list_spinlock); mwifiex_update_ralist_tx_pause(priv, tp->peermac, tp->tx_pause); + } else { + spin_unlock_bh(&priv->sta_list_spinlock); } - spin_unlock_bh(&priv->sta_list_spinlock); } } @@ -399,11 +401,13 @@ static void mwifiex_process_sta_tx_pause(struct mwifiex_private *priv, sta_ptr = mwifiex_get_sta_entry(priv, tp->peermac); if (sta_ptr && sta_ptr->tx_pause != tp->tx_pause) { sta_ptr->tx_pause = tp->tx_pause; + spin_unlock_bh(&priv->sta_list_spinlock); mwifiex_update_ralist_tx_pause(priv, tp->peermac, tp->tx_pause); + } else { + spin_unlock_bh(&priv->sta_list_spinlock); } - spin_unlock_bh(&priv->sta_list_spinlock); } } } diff --git a/drivers/net/wireless/marvell/mwifiex/usb.c b/drivers/net/wireless/marvell/mwifiex/usb.c index cb8a9ad40cfe919aec6ba7cc6ad6debac1f1a2e3..39cf713d5054cd4d5301f8b83b769e946185dda8 100644 --- a/drivers/net/wireless/marvell/mwifiex/usb.c +++ b/drivers/net/wireless/marvell/mwifiex/usb.c @@ -130,7 +130,8 @@ static int mwifiex_usb_recv(struct mwifiex_adapter *adapter, default: mwifiex_dbg(adapter, ERROR, "unknown recv_type %#x\n", recv_type); - return -1; + ret = -1; + goto exit_restore_skb; } break; case MWIFIEX_USB_EP_DATA: diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00usb.c b/drivers/net/wireless/ralink/rt2x00/rt2x00usb.c index bc2dfef0de22b8675e4ea911ffff76c741647c94..24af321f625f2b293d71f8d36edcc0a535ffa0ad 100644 --- a/drivers/net/wireless/ralink/rt2x00/rt2x00usb.c +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00usb.c @@ -25,6 +25,9 @@ static bool rt2x00usb_check_usb_error(struct rt2x00_dev *rt2x00dev, int status) if (status == -ENODEV || status == -ENOENT) return true; + if (!test_bit(DEVICE_STATE_STARTED, &rt2x00dev->flags)) + return false; + if (status == -EPROTO || status == -ETIMEDOUT) rt2x00dev->num_proto_errs++; else diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c index f070f25bb735a2f39bdf91e928481c6fae13b755..df7a14320fd292b90dba3eb5d10c9382f5369c1a 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/hw.c @@ -1000,6 +1000,7 @@ int rtl92cu_hw_init(struct ieee80211_hw *hw) _initpabias(hw); rtl92c_dm_init(hw); exit: + local_irq_disable(); local_irq_restore(flags); return err; } diff --git a/drivers/net/wireless/rsi/rsi_91x_main.c b/drivers/net/wireless/rsi/rsi_91x_main.c index 441fda71f628994467edcc76270923d8ecd2ef5e..d92337169ee3a2447a8439bdcfd2b5612a79b13c 100644 --- a/drivers/net/wireless/rsi/rsi_91x_main.c +++ b/drivers/net/wireless/rsi/rsi_91x_main.c @@ -23,6 +23,7 @@ #include "rsi_common.h" #include "rsi_coex.h" #include "rsi_hal.h" +#include "rsi_usb.h" u32 rsi_zone_enabled = /* INFO_ZONE | INIT_ZONE | @@ -167,6 +168,9 @@ int rsi_read_pkt(struct rsi_common *common, u8 *rx_pkt, s32 rcv_pkt_len) frame_desc = &rx_pkt[index]; actual_length = *(u16 *)&frame_desc[0]; offset = *(u16 *)&frame_desc[2]; + if (!rcv_pkt_len && offset > + RSI_MAX_RX_USB_PKT_SIZE - FRAME_DESC_SZ) + goto fail; queueno = rsi_get_queueno(frame_desc, offset); length = rsi_get_length(frame_desc, offset); diff --git a/drivers/net/wireless/rsi/rsi_91x_usb.c b/drivers/net/wireless/rsi/rsi_91x_usb.c index 68ce3d2bc535766708068d3b6d3d2b5b42d851a2..94bf2a7ca635d5d0e34c7981d402e980654cdffd 100644 --- a/drivers/net/wireless/rsi/rsi_91x_usb.c +++ b/drivers/net/wireless/rsi/rsi_91x_usb.c @@ -261,8 +261,12 @@ static void rsi_rx_done_handler(struct urb *urb) struct rsi_91x_usbdev *dev = (struct rsi_91x_usbdev *)rx_cb->data; int status = -EINVAL; + if (!rx_cb->rx_skb) + return; + if (urb->status) { dev_kfree_skb(rx_cb->rx_skb); + rx_cb->rx_skb = NULL; return; } @@ -286,8 +290,10 @@ static void rsi_rx_done_handler(struct urb *urb) if (rsi_rx_urb_submit(dev->priv, rx_cb->ep_num, GFP_ATOMIC)) rsi_dbg(ERR_ZONE, "%s: Failed in urb submission", __func__); - if (status) + if (status) { dev_kfree_skb(rx_cb->rx_skb); + rx_cb->rx_skb = NULL; + } } static void rsi_rx_urb_kill(struct rsi_hw *adapter, u8 ep_num) @@ -314,7 +320,6 @@ static int rsi_rx_urb_submit(struct rsi_hw *adapter, u8 ep_num, gfp_t mem_flags) struct sk_buff *skb; u8 dword_align_bytes = 0; -#define RSI_MAX_RX_USB_PKT_SIZE 3000 skb = dev_alloc_skb(RSI_MAX_RX_USB_PKT_SIZE); if (!skb) return -ENOMEM; diff --git a/drivers/net/wireless/rsi/rsi_usb.h b/drivers/net/wireless/rsi/rsi_usb.h index 8702f434b5699978549144b03203dacf5e016790..ad88f8c70a35174ea969f37464df307e0794508d 100644 --- a/drivers/net/wireless/rsi/rsi_usb.h +++ b/drivers/net/wireless/rsi/rsi_usb.h @@ -44,6 +44,8 @@ #define RSI_USB_BUF_SIZE 4096 #define RSI_USB_CTRL_BUF_SIZE 0x04 +#define RSI_MAX_RX_USB_PKT_SIZE 3000 + struct rx_usb_ctrl_block { u8 *data; struct urb *rx_urb; diff --git a/drivers/net/xen-netback/common.h b/drivers/net/xen-netback/common.h index 32fe131ba366d2a83aed27f9049a89adbac5388c..f7e746f1c9fb35d72db718911a1fdca12d73a506 100644 --- a/drivers/net/xen-netback/common.h +++ b/drivers/net/xen-netback/common.h @@ -203,6 +203,7 @@ struct xenvif_queue { /* Per-queue data for xenvif */ unsigned int rx_queue_max; unsigned int rx_queue_len; unsigned long last_rx_time; + unsigned int rx_slots_needed; bool stalled; struct xenvif_copy_state rx_copy; diff --git a/drivers/net/xen-netback/rx.c b/drivers/net/xen-netback/rx.c index 48e2006f96ce6fe6bc72ff4af623e1dd019b281d..7f68067c017456159c973cd399c67c64433ed9ff 100644 --- a/drivers/net/xen-netback/rx.c +++ b/drivers/net/xen-netback/rx.c @@ -33,28 +33,36 @@ #include #include -static bool xenvif_rx_ring_slots_available(struct xenvif_queue *queue) +/* + * Update the needed ring page slots for the first SKB queued. + * Note that any call sequence outside the RX thread calling this function + * needs to wake up the RX thread via a call of xenvif_kick_thread() + * afterwards in order to avoid a race with putting the thread to sleep. + */ +static void xenvif_update_needed_slots(struct xenvif_queue *queue, + const struct sk_buff *skb) { - RING_IDX prod, cons; - struct sk_buff *skb; - int needed; - unsigned long flags; - - spin_lock_irqsave(&queue->rx_queue.lock, flags); + unsigned int needed = 0; - skb = skb_peek(&queue->rx_queue); - if (!skb) { - spin_unlock_irqrestore(&queue->rx_queue.lock, flags); - return false; + if (skb) { + needed = DIV_ROUND_UP(skb->len, XEN_PAGE_SIZE); + if (skb_is_gso(skb)) + needed++; + if (skb->sw_hash) + needed++; } - needed = DIV_ROUND_UP(skb->len, XEN_PAGE_SIZE); - if (skb_is_gso(skb)) - needed++; - if (skb->sw_hash) - needed++; + WRITE_ONCE(queue->rx_slots_needed, needed); +} - spin_unlock_irqrestore(&queue->rx_queue.lock, flags); +static bool xenvif_rx_ring_slots_available(struct xenvif_queue *queue) +{ + RING_IDX prod, cons; + unsigned int needed; + + needed = READ_ONCE(queue->rx_slots_needed); + if (!needed) + return false; do { prod = queue->rx.sring->req_prod; @@ -80,13 +88,19 @@ void xenvif_rx_queue_tail(struct xenvif_queue *queue, struct sk_buff *skb) spin_lock_irqsave(&queue->rx_queue.lock, flags); - __skb_queue_tail(&queue->rx_queue, skb); - - queue->rx_queue_len += skb->len; - if (queue->rx_queue_len > queue->rx_queue_max) { + if (queue->rx_queue_len >= queue->rx_queue_max) { struct net_device *dev = queue->vif->dev; netif_tx_stop_queue(netdev_get_tx_queue(dev, queue->id)); + kfree_skb(skb); + queue->vif->dev->stats.rx_dropped++; + } else { + if (skb_queue_empty(&queue->rx_queue)) + xenvif_update_needed_slots(queue, skb); + + __skb_queue_tail(&queue->rx_queue, skb); + + queue->rx_queue_len += skb->len; } spin_unlock_irqrestore(&queue->rx_queue.lock, flags); @@ -100,6 +114,8 @@ static struct sk_buff *xenvif_rx_dequeue(struct xenvif_queue *queue) skb = __skb_dequeue(&queue->rx_queue); if (skb) { + xenvif_update_needed_slots(queue, skb_peek(&queue->rx_queue)); + queue->rx_queue_len -= skb->len; if (queue->rx_queue_len < queue->rx_queue_max) { struct netdev_queue *txq; @@ -134,6 +150,7 @@ static void xenvif_rx_queue_drop_expired(struct xenvif_queue *queue) break; xenvif_rx_dequeue(queue); kfree_skb(skb); + queue->vif->dev->stats.rx_dropped++; } } @@ -474,27 +491,31 @@ void xenvif_rx_action(struct xenvif_queue *queue) xenvif_rx_copy_flush(queue); } -static bool xenvif_rx_queue_stalled(struct xenvif_queue *queue) +static RING_IDX xenvif_rx_queue_slots(const struct xenvif_queue *queue) { RING_IDX prod, cons; prod = queue->rx.sring->req_prod; cons = queue->rx.req_cons; + return prod - cons; +} + +static bool xenvif_rx_queue_stalled(const struct xenvif_queue *queue) +{ + unsigned int needed = READ_ONCE(queue->rx_slots_needed); + return !queue->stalled && - prod - cons < 1 && + xenvif_rx_queue_slots(queue) < needed && time_after(jiffies, queue->last_rx_time + queue->vif->stall_timeout); } static bool xenvif_rx_queue_ready(struct xenvif_queue *queue) { - RING_IDX prod, cons; - - prod = queue->rx.sring->req_prod; - cons = queue->rx.req_cons; + unsigned int needed = READ_ONCE(queue->rx_slots_needed); - return queue->stalled && prod - cons >= 1; + return queue->stalled && xenvif_rx_queue_slots(queue) >= needed; } bool xenvif_have_rx_work(struct xenvif_queue *queue, bool test_kthread) diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index 7d389c2cc90265028936da4171476eca80d70e99..d2b3381f71825514ab0863ef37e3c59d756cdc53 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -121,21 +121,17 @@ struct netfront_queue { /* * {tx,rx}_skbs store outstanding skbuffs. Free tx_skb entries - * are linked from tx_skb_freelist through skb_entry.link. - * - * NB. Freelist index entries are always going to be less than - * PAGE_OFFSET, whereas pointers to skbs will always be equal or - * greater than PAGE_OFFSET: we use this property to distinguish - * them. + * are linked from tx_skb_freelist through tx_link. */ - union skb_entry { - struct sk_buff *skb; - unsigned long link; - } tx_skbs[NET_TX_RING_SIZE]; + struct sk_buff *tx_skbs[NET_TX_RING_SIZE]; + unsigned short tx_link[NET_TX_RING_SIZE]; +#define TX_LINK_NONE 0xffff +#define TX_PENDING 0xfffe grant_ref_t gref_tx_head; grant_ref_t grant_tx_ref[NET_TX_RING_SIZE]; struct page *grant_tx_page[NET_TX_RING_SIZE]; unsigned tx_skb_freelist; + unsigned int tx_pend_queue; spinlock_t rx_lock ____cacheline_aligned_in_smp; struct xen_netif_rx_front_ring rx; @@ -146,6 +142,9 @@ struct netfront_queue { struct sk_buff *rx_skbs[NET_RX_RING_SIZE]; grant_ref_t gref_rx_head; grant_ref_t grant_rx_ref[NET_RX_RING_SIZE]; + + unsigned int rx_rsp_unconsumed; + spinlock_t rx_cons_lock; }; struct netfront_info { @@ -161,6 +160,9 @@ struct netfront_info { struct netfront_stats __percpu *rx_stats; struct netfront_stats __percpu *tx_stats; + /* Is device behaving sane? */ + bool broken; + atomic_t rx_gso_checksum_fixup; }; @@ -169,33 +171,25 @@ struct netfront_rx_info { struct xen_netif_extra_info extras[XEN_NETIF_EXTRA_TYPE_MAX - 1]; }; -static void skb_entry_set_link(union skb_entry *list, unsigned short id) -{ - list->link = id; -} - -static int skb_entry_is_link(const union skb_entry *list) -{ - BUILD_BUG_ON(sizeof(list->skb) != sizeof(list->link)); - return (unsigned long)list->skb < PAGE_OFFSET; -} - /* * Access macros for acquiring freeing slots in tx_skbs[]. */ -static void add_id_to_freelist(unsigned *head, union skb_entry *list, - unsigned short id) +static void add_id_to_list(unsigned *head, unsigned short *list, + unsigned short id) { - skb_entry_set_link(&list[id], *head); + list[id] = *head; *head = id; } -static unsigned short get_id_from_freelist(unsigned *head, - union skb_entry *list) +static unsigned short get_id_from_list(unsigned *head, unsigned short *list) { unsigned int id = *head; - *head = list[id].link; + + if (id != TX_LINK_NONE) { + *head = list[id]; + list[id] = TX_LINK_NONE; + } return id; } @@ -351,7 +345,7 @@ static int xennet_open(struct net_device *dev) unsigned int i = 0; struct netfront_queue *queue = NULL; - if (!np->queues) + if (!np->queues || np->broken) return -ENODEV; for (i = 0; i < num_queues; ++i) { @@ -373,33 +367,56 @@ static int xennet_open(struct net_device *dev) return 0; } -static void xennet_tx_buf_gc(struct netfront_queue *queue) +static bool xennet_tx_buf_gc(struct netfront_queue *queue) { RING_IDX cons, prod; unsigned short id; struct sk_buff *skb; bool more_to_do; + bool work_done = false; + const struct device *dev = &queue->info->netdev->dev; BUG_ON(!netif_carrier_ok(queue->info->netdev)); do { prod = queue->tx.sring->rsp_prod; + if (RING_RESPONSE_PROD_OVERFLOW(&queue->tx, prod)) { + dev_alert(dev, "Illegal number of responses %u\n", + prod - queue->tx.rsp_cons); + goto err; + } rmb(); /* Ensure we see responses up to 'rp'. */ for (cons = queue->tx.rsp_cons; cons != prod; cons++) { - struct xen_netif_tx_response *txrsp; + struct xen_netif_tx_response txrsp; - txrsp = RING_GET_RESPONSE(&queue->tx, cons); - if (txrsp->status == XEN_NETIF_RSP_NULL) + work_done = true; + + RING_COPY_RESPONSE(&queue->tx, cons, &txrsp); + if (txrsp.status == XEN_NETIF_RSP_NULL) continue; - id = txrsp->id; - skb = queue->tx_skbs[id].skb; + id = txrsp.id; + if (id >= RING_SIZE(&queue->tx)) { + dev_alert(dev, + "Response has incorrect id (%u)\n", + id); + goto err; + } + if (queue->tx_link[id] != TX_PENDING) { + dev_alert(dev, + "Response for inactive request\n"); + goto err; + } + + queue->tx_link[id] = TX_LINK_NONE; + skb = queue->tx_skbs[id]; + queue->tx_skbs[id] = NULL; if (unlikely(gnttab_query_foreign_access( queue->grant_tx_ref[id]) != 0)) { - pr_alert("%s: warning -- grant still in use by backend domain\n", - __func__); - BUG(); + dev_alert(dev, + "Grant still in use by backend domain\n"); + goto err; } gnttab_end_foreign_access_ref( queue->grant_tx_ref[id], GNTMAP_readonly); @@ -407,7 +424,7 @@ static void xennet_tx_buf_gc(struct netfront_queue *queue) &queue->gref_tx_head, queue->grant_tx_ref[id]); queue->grant_tx_ref[id] = GRANT_INVALID_REF; queue->grant_tx_page[id] = NULL; - add_id_to_freelist(&queue->tx_skb_freelist, queue->tx_skbs, id); + add_id_to_list(&queue->tx_skb_freelist, queue->tx_link, id); dev_kfree_skb_irq(skb); } @@ -417,13 +434,22 @@ static void xennet_tx_buf_gc(struct netfront_queue *queue) } while (more_to_do); xennet_maybe_wake_tx(queue); + + return work_done; + + err: + queue->info->broken = true; + dev_alert(dev, "Disabled for further use\n"); + + return work_done; } struct xennet_gnttab_make_txreq { struct netfront_queue *queue; struct sk_buff *skb; struct page *page; - struct xen_netif_tx_request *tx; /* Last request */ + struct xen_netif_tx_request *tx; /* Last request on ring page */ + struct xen_netif_tx_request tx_local; /* Last request local copy*/ unsigned int size; }; @@ -439,7 +465,7 @@ static void xennet_tx_setup_grant(unsigned long gfn, unsigned int offset, struct netfront_queue *queue = info->queue; struct sk_buff *skb = info->skb; - id = get_id_from_freelist(&queue->tx_skb_freelist, queue->tx_skbs); + id = get_id_from_list(&queue->tx_skb_freelist, queue->tx_link); tx = RING_GET_REQUEST(&queue->tx, queue->tx.req_prod_pvt++); ref = gnttab_claim_grant_reference(&queue->gref_tx_head); WARN_ON_ONCE(IS_ERR_VALUE((unsigned long)(int)ref)); @@ -447,34 +473,37 @@ static void xennet_tx_setup_grant(unsigned long gfn, unsigned int offset, gnttab_grant_foreign_access_ref(ref, queue->info->xbdev->otherend_id, gfn, GNTMAP_readonly); - queue->tx_skbs[id].skb = skb; + queue->tx_skbs[id] = skb; queue->grant_tx_page[id] = page; queue->grant_tx_ref[id] = ref; - tx->id = id; - tx->gref = ref; - tx->offset = offset; - tx->size = len; - tx->flags = 0; + info->tx_local.id = id; + info->tx_local.gref = ref; + info->tx_local.offset = offset; + info->tx_local.size = len; + info->tx_local.flags = 0; + + *tx = info->tx_local; + + /* + * Put the request in the pending queue, it will be set to be pending + * when the producer index is about to be raised. + */ + add_id_to_list(&queue->tx_pend_queue, queue->tx_link, id); info->tx = tx; - info->size += tx->size; + info->size += info->tx_local.size; } static struct xen_netif_tx_request *xennet_make_first_txreq( - struct netfront_queue *queue, struct sk_buff *skb, - struct page *page, unsigned int offset, unsigned int len) + struct xennet_gnttab_make_txreq *info, + unsigned int offset, unsigned int len) { - struct xennet_gnttab_make_txreq info = { - .queue = queue, - .skb = skb, - .page = page, - .size = 0, - }; + info->size = 0; - gnttab_for_one_grant(page, offset, len, xennet_tx_setup_grant, &info); + gnttab_for_one_grant(info->page, offset, len, xennet_tx_setup_grant, info); - return info.tx; + return info->tx; } static void xennet_make_one_txreq(unsigned long gfn, unsigned int offset, @@ -487,35 +516,27 @@ static void xennet_make_one_txreq(unsigned long gfn, unsigned int offset, xennet_tx_setup_grant(gfn, offset, len, data); } -static struct xen_netif_tx_request *xennet_make_txreqs( - struct netfront_queue *queue, struct xen_netif_tx_request *tx, - struct sk_buff *skb, struct page *page, +static void xennet_make_txreqs( + struct xennet_gnttab_make_txreq *info, + struct page *page, unsigned int offset, unsigned int len) { - struct xennet_gnttab_make_txreq info = { - .queue = queue, - .skb = skb, - .tx = tx, - }; - /* Skip unused frames from start of page */ page += offset >> PAGE_SHIFT; offset &= ~PAGE_MASK; while (len) { - info.page = page; - info.size = 0; + info->page = page; + info->size = 0; gnttab_foreach_grant_in_range(page, offset, len, xennet_make_one_txreq, - &info); + info); page++; offset = 0; - len -= info.size; + len -= info->size; } - - return info.tx; } /* @@ -562,13 +583,22 @@ static u16 xennet_select_queue(struct net_device *dev, struct sk_buff *skb, return queue_idx; } +static void xennet_mark_tx_pending(struct netfront_queue *queue) +{ + unsigned int i; + + while ((i = get_id_from_list(&queue->tx_pend_queue, queue->tx_link)) != + TX_LINK_NONE) + queue->tx_link[i] = TX_PENDING; +} + #define MAX_XEN_SKB_FRAGS (65536 / XEN_PAGE_SIZE + 1) static netdev_tx_t xennet_start_xmit(struct sk_buff *skb, struct net_device *dev) { struct netfront_info *np = netdev_priv(dev); struct netfront_stats *tx_stats = this_cpu_ptr(np->tx_stats); - struct xen_netif_tx_request *tx, *first_tx; + struct xen_netif_tx_request *first_tx; unsigned int i; int notify; int slots; @@ -577,6 +607,7 @@ static netdev_tx_t xennet_start_xmit(struct sk_buff *skb, struct net_device *dev unsigned int len; unsigned long flags; struct netfront_queue *queue = NULL; + struct xennet_gnttab_make_txreq info = { }; unsigned int num_queues = dev->real_num_tx_queues; u16 queue_index; struct sk_buff *nskb; @@ -584,6 +615,8 @@ static netdev_tx_t xennet_start_xmit(struct sk_buff *skb, struct net_device *dev /* Drop the packet if no queues are set up */ if (num_queues < 1) goto drop; + if (unlikely(np->broken)) + goto drop; /* Determine which queue to transmit this SKB on */ queue_index = skb_get_queue_mapping(skb); queue = &np->queues[queue_index]; @@ -634,21 +667,24 @@ static netdev_tx_t xennet_start_xmit(struct sk_buff *skb, struct net_device *dev } /* First request for the linear area. */ - first_tx = tx = xennet_make_first_txreq(queue, skb, - page, offset, len); - offset += tx->size; + info.queue = queue; + info.skb = skb; + info.page = page; + first_tx = xennet_make_first_txreq(&info, offset, len); + offset += info.tx_local.size; if (offset == PAGE_SIZE) { page++; offset = 0; } - len -= tx->size; + len -= info.tx_local.size; if (skb->ip_summed == CHECKSUM_PARTIAL) /* local packet? */ - tx->flags |= XEN_NETTXF_csum_blank | XEN_NETTXF_data_validated; + first_tx->flags |= XEN_NETTXF_csum_blank | + XEN_NETTXF_data_validated; else if (skb->ip_summed == CHECKSUM_UNNECESSARY) /* remote but checksummed. */ - tx->flags |= XEN_NETTXF_data_validated; + first_tx->flags |= XEN_NETTXF_data_validated; /* Optional extra info after the first request. */ if (skb_shinfo(skb)->gso_size) { @@ -657,7 +693,7 @@ static netdev_tx_t xennet_start_xmit(struct sk_buff *skb, struct net_device *dev gso = (struct xen_netif_extra_info *) RING_GET_REQUEST(&queue->tx, queue->tx.req_prod_pvt++); - tx->flags |= XEN_NETTXF_extra_info; + first_tx->flags |= XEN_NETTXF_extra_info; gso->u.gso.size = skb_shinfo(skb)->gso_size; gso->u.gso.type = (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) ? @@ -671,12 +707,12 @@ static netdev_tx_t xennet_start_xmit(struct sk_buff *skb, struct net_device *dev } /* Requests for the rest of the linear area. */ - tx = xennet_make_txreqs(queue, tx, skb, page, offset, len); + xennet_make_txreqs(&info, page, offset, len); /* Requests for all the frags. */ for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; - tx = xennet_make_txreqs(queue, tx, skb, skb_frag_page(frag), + xennet_make_txreqs(&info, skb_frag_page(frag), skb_frag_off(frag), skb_frag_size(frag)); } @@ -684,6 +720,8 @@ static netdev_tx_t xennet_start_xmit(struct sk_buff *skb, struct net_device *dev /* First request has the packet length. */ first_tx->size = skb->len; + xennet_mark_tx_pending(queue); + RING_PUSH_REQUESTS_AND_CHECK_NOTIFY(&queue->tx, notify); if (notify) notify_remote_via_irq(queue->tx_irq); @@ -723,6 +761,16 @@ static int xennet_close(struct net_device *dev) return 0; } +static void xennet_set_rx_rsp_cons(struct netfront_queue *queue, RING_IDX val) +{ + unsigned long flags; + + spin_lock_irqsave(&queue->rx_cons_lock, flags); + queue->rx.rsp_cons = val; + queue->rx_rsp_unconsumed = RING_HAS_UNCONSUMED_RESPONSES(&queue->rx); + spin_unlock_irqrestore(&queue->rx_cons_lock, flags); +} + static void xennet_move_rx_slot(struct netfront_queue *queue, struct sk_buff *skb, grant_ref_t ref) { @@ -741,7 +789,7 @@ static int xennet_get_extras(struct netfront_queue *queue, RING_IDX rp) { - struct xen_netif_extra_info *extra; + struct xen_netif_extra_info extra; struct device *dev = &queue->info->netdev->dev; RING_IDX cons = queue->rx.rsp_cons; int err = 0; @@ -757,26 +805,24 @@ static int xennet_get_extras(struct netfront_queue *queue, break; } - extra = (struct xen_netif_extra_info *) - RING_GET_RESPONSE(&queue->rx, ++cons); + RING_COPY_RESPONSE(&queue->rx, ++cons, &extra); - if (unlikely(!extra->type || - extra->type >= XEN_NETIF_EXTRA_TYPE_MAX)) { + if (unlikely(!extra.type || + extra.type >= XEN_NETIF_EXTRA_TYPE_MAX)) { if (net_ratelimit()) dev_warn(dev, "Invalid extra type: %d\n", - extra->type); + extra.type); err = -EINVAL; } else { - memcpy(&extras[extra->type - 1], extra, - sizeof(*extra)); + extras[extra.type - 1] = extra; } skb = xennet_get_rx_skb(queue, cons); ref = xennet_get_rx_ref(queue, cons); xennet_move_rx_slot(queue, skb, ref); - } while (extra->flags & XEN_NETIF_EXTRA_FLAG_MORE); + } while (extra.flags & XEN_NETIF_EXTRA_FLAG_MORE); - queue->rx.rsp_cons = cons; + xennet_set_rx_rsp_cons(queue, cons); return err; } @@ -784,7 +830,7 @@ static int xennet_get_responses(struct netfront_queue *queue, struct netfront_rx_info *rinfo, RING_IDX rp, struct sk_buff_head *list) { - struct xen_netif_rx_response *rx = &rinfo->rx; + struct xen_netif_rx_response *rx = &rinfo->rx, rx_local; struct xen_netif_extra_info *extras = rinfo->extras; struct device *dev = &queue->info->netdev->dev; RING_IDX cons = queue->rx.rsp_cons; @@ -842,7 +888,8 @@ static int xennet_get_responses(struct netfront_queue *queue, break; } - rx = RING_GET_RESPONSE(&queue->rx, cons + slots); + RING_COPY_RESPONSE(&queue->rx, cons + slots, &rx_local); + rx = &rx_local; skb = xennet_get_rx_skb(queue, cons + slots); ref = xennet_get_rx_ref(queue, cons + slots); slots++; @@ -855,7 +902,7 @@ static int xennet_get_responses(struct netfront_queue *queue, } if (unlikely(err)) - queue->rx.rsp_cons = cons + slots; + xennet_set_rx_rsp_cons(queue, cons + slots); return err; } @@ -897,10 +944,11 @@ static int xennet_fill_frags(struct netfront_queue *queue, struct sk_buff *nskb; while ((nskb = __skb_dequeue(list))) { - struct xen_netif_rx_response *rx = - RING_GET_RESPONSE(&queue->rx, ++cons); + struct xen_netif_rx_response rx; skb_frag_t *nfrag = &skb_shinfo(nskb)->frags[0]; + RING_COPY_RESPONSE(&queue->rx, ++cons, &rx); + if (skb_shinfo(skb)->nr_frags == MAX_SKB_FRAGS) { unsigned int pull_to = NETFRONT_SKB_CB(skb)->pull_to; @@ -908,20 +956,21 @@ static int xennet_fill_frags(struct netfront_queue *queue, __pskb_pull_tail(skb, pull_to - skb_headlen(skb)); } if (unlikely(skb_shinfo(skb)->nr_frags >= MAX_SKB_FRAGS)) { - queue->rx.rsp_cons = ++cons + skb_queue_len(list); + xennet_set_rx_rsp_cons(queue, + ++cons + skb_queue_len(list)); kfree_skb(nskb); return -ENOENT; } skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, skb_frag_page(nfrag), - rx->offset, rx->status, PAGE_SIZE); + rx.offset, rx.status, PAGE_SIZE); skb_shinfo(nskb)->nr_frags = 0; kfree_skb(nskb); } - queue->rx.rsp_cons = cons; + xennet_set_rx_rsp_cons(queue, cons); return 0; } @@ -1008,12 +1057,19 @@ static int xennet_poll(struct napi_struct *napi, int budget) skb_queue_head_init(&tmpq); rp = queue->rx.sring->rsp_prod; + if (RING_RESPONSE_PROD_OVERFLOW(&queue->rx, rp)) { + dev_alert(&dev->dev, "Illegal number of responses %u\n", + rp - queue->rx.rsp_cons); + queue->info->broken = true; + spin_unlock(&queue->rx_lock); + return 0; + } rmb(); /* Ensure we see queued responses up to 'rp'. */ i = queue->rx.rsp_cons; work_done = 0; while ((i != rp) && (work_done < budget)) { - memcpy(rx, RING_GET_RESPONSE(&queue->rx, i), sizeof(*rx)); + RING_COPY_RESPONSE(&queue->rx, i, rx); memset(extras, 0, sizeof(rinfo.extras)); err = xennet_get_responses(queue, &rinfo, rp, &tmpq); @@ -1035,7 +1091,9 @@ static int xennet_poll(struct napi_struct *napi, int budget) if (unlikely(xennet_set_skb_gso(skb, gso))) { __skb_queue_head(&tmpq, skb); - queue->rx.rsp_cons += skb_queue_len(&tmpq); + xennet_set_rx_rsp_cons(queue, + queue->rx.rsp_cons + + skb_queue_len(&tmpq)); goto err; } } @@ -1059,7 +1117,8 @@ static int xennet_poll(struct napi_struct *napi, int budget) __skb_queue_tail(&rxq, skb); - i = ++queue->rx.rsp_cons; + i = queue->rx.rsp_cons + 1; + xennet_set_rx_rsp_cons(queue, i); work_done++; } @@ -1135,17 +1194,18 @@ static void xennet_release_tx_bufs(struct netfront_queue *queue) for (i = 0; i < NET_TX_RING_SIZE; i++) { /* Skip over entries which are actually freelist references */ - if (skb_entry_is_link(&queue->tx_skbs[i])) + if (!queue->tx_skbs[i]) continue; - skb = queue->tx_skbs[i].skb; + skb = queue->tx_skbs[i]; + queue->tx_skbs[i] = NULL; get_page(queue->grant_tx_page[i]); gnttab_end_foreign_access(queue->grant_tx_ref[i], GNTMAP_readonly, (unsigned long)page_address(queue->grant_tx_page[i])); queue->grant_tx_page[i] = NULL; queue->grant_tx_ref[i] = GRANT_INVALID_REF; - add_id_to_freelist(&queue->tx_skb_freelist, queue->tx_skbs, i); + add_id_to_list(&queue->tx_skb_freelist, queue->tx_link, i); dev_kfree_skb_irq(skb); } } @@ -1220,34 +1280,79 @@ static int xennet_set_features(struct net_device *dev, return 0; } -static irqreturn_t xennet_tx_interrupt(int irq, void *dev_id) +static bool xennet_handle_tx(struct netfront_queue *queue, unsigned int *eoi) { - struct netfront_queue *queue = dev_id; unsigned long flags; + if (unlikely(queue->info->broken)) + return false; + spin_lock_irqsave(&queue->tx_lock, flags); - xennet_tx_buf_gc(queue); + if (xennet_tx_buf_gc(queue)) + *eoi = 0; spin_unlock_irqrestore(&queue->tx_lock, flags); + return true; +} + +static irqreturn_t xennet_tx_interrupt(int irq, void *dev_id) +{ + unsigned int eoiflag = XEN_EOI_FLAG_SPURIOUS; + + if (likely(xennet_handle_tx(dev_id, &eoiflag))) + xen_irq_lateeoi(irq, eoiflag); + return IRQ_HANDLED; } -static irqreturn_t xennet_rx_interrupt(int irq, void *dev_id) +static bool xennet_handle_rx(struct netfront_queue *queue, unsigned int *eoi) { - struct netfront_queue *queue = dev_id; - struct net_device *dev = queue->info->netdev; + unsigned int work_queued; + unsigned long flags; + + if (unlikely(queue->info->broken)) + return false; - if (likely(netif_carrier_ok(dev) && - RING_HAS_UNCONSUMED_RESPONSES(&queue->rx))) + spin_lock_irqsave(&queue->rx_cons_lock, flags); + work_queued = RING_HAS_UNCONSUMED_RESPONSES(&queue->rx); + if (work_queued > queue->rx_rsp_unconsumed) { + queue->rx_rsp_unconsumed = work_queued; + *eoi = 0; + } else if (unlikely(work_queued < queue->rx_rsp_unconsumed)) { + const struct device *dev = &queue->info->netdev->dev; + + spin_unlock_irqrestore(&queue->rx_cons_lock, flags); + dev_alert(dev, "RX producer index going backwards\n"); + dev_alert(dev, "Disabled for further use\n"); + queue->info->broken = true; + return false; + } + spin_unlock_irqrestore(&queue->rx_cons_lock, flags); + + if (likely(netif_carrier_ok(queue->info->netdev) && work_queued)) napi_schedule(&queue->napi); + return true; +} + +static irqreturn_t xennet_rx_interrupt(int irq, void *dev_id) +{ + unsigned int eoiflag = XEN_EOI_FLAG_SPURIOUS; + + if (likely(xennet_handle_rx(dev_id, &eoiflag))) + xen_irq_lateeoi(irq, eoiflag); + return IRQ_HANDLED; } static irqreturn_t xennet_interrupt(int irq, void *dev_id) { - xennet_tx_interrupt(irq, dev_id); - xennet_rx_interrupt(irq, dev_id); + unsigned int eoiflag = XEN_EOI_FLAG_SPURIOUS; + + if (xennet_handle_tx(dev_id, &eoiflag) && + xennet_handle_rx(dev_id, &eoiflag)) + xen_irq_lateeoi(irq, eoiflag); + return IRQ_HANDLED; } @@ -1258,6 +1363,10 @@ static void xennet_poll_controller(struct net_device *dev) struct netfront_info *info = netdev_priv(dev); unsigned int num_queues = dev->real_num_tx_queues; unsigned int i; + + if (info->broken) + return; + for (i = 0; i < num_queues; ++i) xennet_interrupt(0, &info->queues[i]); } @@ -1477,9 +1586,10 @@ static int setup_netfront_single(struct netfront_queue *queue) if (err < 0) goto fail; - err = bind_evtchn_to_irqhandler(queue->tx_evtchn, - xennet_interrupt, - 0, queue->info->netdev->name, queue); + err = bind_evtchn_to_irqhandler_lateeoi(queue->tx_evtchn, + xennet_interrupt, 0, + queue->info->netdev->name, + queue); if (err < 0) goto bind_fail; queue->rx_evtchn = queue->tx_evtchn; @@ -1507,18 +1617,18 @@ static int setup_netfront_split(struct netfront_queue *queue) snprintf(queue->tx_irq_name, sizeof(queue->tx_irq_name), "%s-tx", queue->name); - err = bind_evtchn_to_irqhandler(queue->tx_evtchn, - xennet_tx_interrupt, - 0, queue->tx_irq_name, queue); + err = bind_evtchn_to_irqhandler_lateeoi(queue->tx_evtchn, + xennet_tx_interrupt, 0, + queue->tx_irq_name, queue); if (err < 0) goto bind_tx_fail; queue->tx_irq = err; snprintf(queue->rx_irq_name, sizeof(queue->rx_irq_name), "%s-rx", queue->name); - err = bind_evtchn_to_irqhandler(queue->rx_evtchn, - xennet_rx_interrupt, - 0, queue->rx_irq_name, queue); + err = bind_evtchn_to_irqhandler_lateeoi(queue->rx_evtchn, + xennet_rx_interrupt, 0, + queue->rx_irq_name, queue); if (err < 0) goto bind_rx_fail; queue->rx_irq = err; @@ -1620,6 +1730,7 @@ static int xennet_init_queue(struct netfront_queue *queue) spin_lock_init(&queue->tx_lock); spin_lock_init(&queue->rx_lock); + spin_lock_init(&queue->rx_cons_lock); timer_setup(&queue->rx_refill_timer, rx_refill_timeout, 0); @@ -1627,13 +1738,15 @@ static int xennet_init_queue(struct netfront_queue *queue) snprintf(queue->name, sizeof(queue->name), "vif%s-q%u", devid, queue->id); - /* Initialise tx_skbs as a free chain containing every entry. */ + /* Initialise tx_skb_freelist as a free chain containing every entry. */ queue->tx_skb_freelist = 0; + queue->tx_pend_queue = TX_LINK_NONE; for (i = 0; i < NET_TX_RING_SIZE; i++) { - skb_entry_set_link(&queue->tx_skbs[i], i+1); + queue->tx_link[i] = i + 1; queue->grant_tx_ref[i] = GRANT_INVALID_REF; queue->grant_tx_page[i] = NULL; } + queue->tx_link[NET_TX_RING_SIZE - 1] = TX_LINK_NONE; /* Clear out rx_skbs */ for (i = 0; i < NET_RX_RING_SIZE; i++) { @@ -1838,6 +1951,9 @@ static int talk_to_netback(struct xenbus_device *dev, if (info->queues) xennet_destroy_queues(info); + /* For the case of a reconnect reset the "broken" indicator. */ + info->broken = false; + err = xennet_create_queues(info, &num_queues); if (err < 0) { xenbus_dev_fatal(dev, err, "creating queues"); diff --git a/drivers/nfc/st21nfca/i2c.c b/drivers/nfc/st21nfca/i2c.c index 23ed11f91213d250321be31105080503954dbdc1..6ea59426ab0bfda7f6ae8eb1f7b5ab5ff7dd754d 100644 --- a/drivers/nfc/st21nfca/i2c.c +++ b/drivers/nfc/st21nfca/i2c.c @@ -533,7 +533,8 @@ static int st21nfca_hci_i2c_probe(struct i2c_client *client, phy->gpiod_ena = devm_gpiod_get(dev, "enable", GPIOD_OUT_LOW); if (IS_ERR(phy->gpiod_ena)) { nfc_err(dev, "Unable to get ENABLE GPIO\n"); - return PTR_ERR(phy->gpiod_ena); + r = PTR_ERR(phy->gpiod_ena); + goto out_free; } phy->se_status.is_ese_present = @@ -544,7 +545,7 @@ static int st21nfca_hci_i2c_probe(struct i2c_client *client, r = st21nfca_hci_platform_init(phy); if (r < 0) { nfc_err(&client->dev, "Unable to reboot st21nfca\n"); - return r; + goto out_free; } r = devm_request_threaded_irq(&client->dev, client->irq, NULL, @@ -553,15 +554,23 @@ static int st21nfca_hci_i2c_probe(struct i2c_client *client, ST21NFCA_HCI_DRIVER_NAME, phy); if (r < 0) { nfc_err(&client->dev, "Unable to register IRQ handler\n"); - return r; + goto out_free; } - return st21nfca_hci_probe(phy, &i2c_phy_ops, LLC_SHDLC_NAME, - ST21NFCA_FRAME_HEADROOM, - ST21NFCA_FRAME_TAILROOM, - ST21NFCA_HCI_LLC_MAX_PAYLOAD, - &phy->hdev, - &phy->se_status); + r = st21nfca_hci_probe(phy, &i2c_phy_ops, LLC_SHDLC_NAME, + ST21NFCA_FRAME_HEADROOM, + ST21NFCA_FRAME_TAILROOM, + ST21NFCA_HCI_LLC_MAX_PAYLOAD, + &phy->hdev, + &phy->se_status); + if (r) + goto out_free; + + return 0; + +out_free: + kfree_skb(phy->pending_skb); + return r; } static int st21nfca_hci_i2c_remove(struct i2c_client *client) @@ -574,6 +583,8 @@ static int st21nfca_hci_i2c_remove(struct i2c_client *client) if (phy->powered) st21nfca_hci_i2c_disable(phy); + if (phy->pending_skb) + kfree_skb(phy->pending_skb); return 0; } diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c index 9f01af2f03e68fc74fc81bd6ec309f12a7368a39..4d615337e6e22df68b2422cee506839bf41e135e 100644 --- a/drivers/nvme/host/multipath.c +++ b/drivers/nvme/host/multipath.c @@ -458,8 +458,14 @@ static int nvme_parse_ana_log(struct nvme_ctrl *ctrl, void *data, for (i = 0; i < le16_to_cpu(ctrl->ana_log_buf->ngrps); i++) { struct nvme_ana_group_desc *desc = base + offset; - u32 nr_nsids = le32_to_cpu(desc->nnsids); - size_t nsid_buf_size = nr_nsids * sizeof(__le32); + u32 nr_nsids; + size_t nsid_buf_size; + + if (WARN_ON_ONCE(offset > ctrl->ana_log_size - sizeof(*desc))) + return -EINVAL; + + nr_nsids = le32_to_cpu(desc->nnsids); + nsid_buf_size = nr_nsids * sizeof(__le32); if (WARN_ON_ONCE(desc->grpid == 0)) return -EINVAL; @@ -479,8 +485,6 @@ static int nvme_parse_ana_log(struct nvme_ctrl *ctrl, void *data, return error; offset += nsid_buf_size; - if (WARN_ON_ONCE(offset > ctrl->ana_log_size - sizeof(*desc))) - return -EINVAL; } return 0; diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c index ff0d06e8ebb5335959a60c4676a56dd5dcd32b16..1eef7ed0c302602d21015e901ec2c928cc22ed8d 100644 --- a/drivers/nvme/host/tcp.c +++ b/drivers/nvme/host/tcp.c @@ -840,7 +840,15 @@ static inline void nvme_tcp_done_send_req(struct nvme_tcp_queue *queue) static void nvme_tcp_fail_request(struct nvme_tcp_request *req) { - nvme_tcp_end_request(blk_mq_rq_from_pdu(req), NVME_SC_HOST_PATH_ERROR); + if (nvme_tcp_async_req(req)) { + union nvme_result res = {}; + + nvme_complete_async_event(&req->queue->ctrl->ctrl, + cpu_to_le16(NVME_SC_HOST_PATH_ERROR), &res); + } else { + nvme_tcp_end_request(blk_mq_rq_from_pdu(req), + NVME_SC_HOST_PATH_ERROR); + } } static int nvme_tcp_try_send_data(struct nvme_tcp_request *req) diff --git a/drivers/nvme/target/io-cmd-file.c b/drivers/nvme/target/io-cmd-file.c index 6ca17a0babae2cb7810c52037b717d20d1bb4d9b..1c8d16b0245b1be4269d4056fcb08bff45163f9d 100644 --- a/drivers/nvme/target/io-cmd-file.c +++ b/drivers/nvme/target/io-cmd-file.c @@ -8,6 +8,7 @@ #include #include #include +#include #include "nvmet.h" #define NVMET_MAX_MPOOL_BVEC 16 @@ -254,7 +255,8 @@ static void nvmet_file_execute_rw(struct nvmet_req *req) if (req->ns->buffered_io) { if (likely(!req->f.mpool_alloc) && - nvmet_file_execute_io(req, IOCB_NOWAIT)) + (req->ns->file->f_mode & FMODE_NOWAIT) && + nvmet_file_execute_io(req, IOCB_NOWAIT)) return; nvmet_file_submit_buffered_io(req); } else diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c index fac1985870765dee0c93bc178850d691b277399f..4341c72446628b6b2c6b02a5694ce1fb0ae6f5f1 100644 --- a/drivers/nvme/target/tcp.c +++ b/drivers/nvme/target/tcp.c @@ -631,10 +631,11 @@ static int nvmet_try_send_r2t(struct nvmet_tcp_cmd *cmd, bool last_in_batch) static int nvmet_try_send_ddgst(struct nvmet_tcp_cmd *cmd) { struct nvmet_tcp_queue *queue = cmd->queue; + int left = NVME_TCP_DIGEST_LENGTH - cmd->offset; struct msghdr msg = { .msg_flags = MSG_DONTWAIT }; struct kvec iov = { .iov_base = (u8 *)&cmd->exp_ddgst + cmd->offset, - .iov_len = NVME_TCP_DIGEST_LENGTH - cmd->offset + .iov_len = left }; int ret; @@ -643,6 +644,10 @@ static int nvmet_try_send_ddgst(struct nvmet_tcp_cmd *cmd) return ret; cmd->offset += ret; + left -= ret; + + if (left) + return -EAGAIN; if (queue->nvme_sq.sqhd_disabled) { cmd->queue->snd_cmd = NULL; diff --git a/drivers/of/base.c b/drivers/of/base.c index db7fbc0c0893cdb609034486b0d9f300ad029d49..423764a30e86d893d77ba44d1927d69845a973c4 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -1378,9 +1378,14 @@ int of_phandle_iterator_next(struct of_phandle_iterator *it) * property data length */ if (it->cur + count > it->list_end) { - pr_err("%pOF: %s = %d found %d\n", - it->parent, it->cells_name, - count, it->cell_count); + if (it->cells_name) + pr_err("%pOF: %s = %d found %td\n", + it->parent, it->cells_name, + count, it->list_end - it->cur); + else + pr_err("%pOF: phandle %s needs %d, found %td\n", + it->parent, of_node_full_name(it->node), + count, it->list_end - it->cur); goto err; } } diff --git a/drivers/parisc/pdc_stable.c b/drivers/parisc/pdc_stable.c index e090978518f1a651195cad3e654fc6bde4900094..4760f82def6ec5738f1aada43b4323a200065098 100644 --- a/drivers/parisc/pdc_stable.c +++ b/drivers/parisc/pdc_stable.c @@ -979,8 +979,10 @@ pdcs_register_pathentries(void) entry->kobj.kset = paths_kset; err = kobject_init_and_add(&entry->kobj, &ktype_pdcspath, NULL, "%s", entry->name); - if (err) + if (err) { + kobject_put(&entry->kobj); return err; + } /* kobject is now registered */ write_lock(&entry->rw_lock); diff --git a/drivers/pci/controller/pci-aardvark.c b/drivers/pci/controller/pci-aardvark.c index 45794ba643d40f0b9974f8d06ed069bca37699d9..d2f8cd3a9568b1f48c072afa040cbc0d8e29c081 100644 --- a/drivers/pci/controller/pci-aardvark.c +++ b/drivers/pci/controller/pci-aardvark.c @@ -9,6 +9,7 @@ */ #include +#include #include #include #include @@ -17,6 +18,7 @@ #include #include #include +#include #include #include "../pci.h" @@ -25,21 +27,8 @@ /* PCIe core registers */ #define PCIE_CORE_DEV_ID_REG 0x0 #define PCIE_CORE_CMD_STATUS_REG 0x4 -#define PCIE_CORE_CMD_IO_ACCESS_EN BIT(0) -#define PCIE_CORE_CMD_MEM_ACCESS_EN BIT(1) -#define PCIE_CORE_CMD_MEM_IO_REQ_EN BIT(2) #define PCIE_CORE_DEV_REV_REG 0x8 #define PCIE_CORE_PCIEXP_CAP 0xc0 -#define PCIE_CORE_DEV_CTRL_STATS_REG 0xc8 -#define PCIE_CORE_DEV_CTRL_STATS_RELAX_ORDER_DISABLE (0 << 4) -#define PCIE_CORE_DEV_CTRL_STATS_MAX_PAYLOAD_SZ_SHIFT 5 -#define PCIE_CORE_DEV_CTRL_STATS_SNOOP_DISABLE (0 << 11) -#define PCIE_CORE_DEV_CTRL_STATS_MAX_RD_REQ_SIZE_SHIFT 12 -#define PCIE_CORE_DEV_CTRL_STATS_MAX_RD_REQ_SZ 0x2 -#define PCIE_CORE_LINK_CTRL_STAT_REG 0xd0 -#define PCIE_CORE_LINK_L0S_ENTRY BIT(0) -#define PCIE_CORE_LINK_TRAINING BIT(5) -#define PCIE_CORE_LINK_WIDTH_SHIFT 20 #define PCIE_CORE_ERR_CAPCTL_REG 0x118 #define PCIE_CORE_ERR_CAPCTL_ECRC_CHK_TX BIT(5) #define PCIE_CORE_ERR_CAPCTL_ECRC_CHK_TX_EN BIT(6) @@ -122,6 +111,46 @@ #define PCIE_MSI_PAYLOAD_REG (CONTROL_BASE_ADDR + 0x9C) #define PCIE_MSI_DATA_MASK GENMASK(15, 0) +/* PCIe window configuration */ +#define OB_WIN_BASE_ADDR 0x4c00 +#define OB_WIN_BLOCK_SIZE 0x20 +#define OB_WIN_COUNT 8 +#define OB_WIN_REG_ADDR(win, offset) (OB_WIN_BASE_ADDR + \ + OB_WIN_BLOCK_SIZE * (win) + \ + (offset)) +#define OB_WIN_MATCH_LS(win) OB_WIN_REG_ADDR(win, 0x00) +#define OB_WIN_ENABLE BIT(0) +#define OB_WIN_MATCH_MS(win) OB_WIN_REG_ADDR(win, 0x04) +#define OB_WIN_REMAP_LS(win) OB_WIN_REG_ADDR(win, 0x08) +#define OB_WIN_REMAP_MS(win) OB_WIN_REG_ADDR(win, 0x0c) +#define OB_WIN_MASK_LS(win) OB_WIN_REG_ADDR(win, 0x10) +#define OB_WIN_MASK_MS(win) OB_WIN_REG_ADDR(win, 0x14) +#define OB_WIN_ACTIONS(win) OB_WIN_REG_ADDR(win, 0x18) +#define OB_WIN_DEFAULT_ACTIONS (OB_WIN_ACTIONS(OB_WIN_COUNT-1) + 0x4) +#define OB_WIN_FUNC_NUM_MASK GENMASK(31, 24) +#define OB_WIN_FUNC_NUM_SHIFT 24 +#define OB_WIN_FUNC_NUM_ENABLE BIT(23) +#define OB_WIN_BUS_NUM_BITS_MASK GENMASK(22, 20) +#define OB_WIN_BUS_NUM_BITS_SHIFT 20 +#define OB_WIN_MSG_CODE_ENABLE BIT(22) +#define OB_WIN_MSG_CODE_MASK GENMASK(21, 14) +#define OB_WIN_MSG_CODE_SHIFT 14 +#define OB_WIN_MSG_PAYLOAD_LEN BIT(12) +#define OB_WIN_ATTR_ENABLE BIT(11) +#define OB_WIN_ATTR_TC_MASK GENMASK(10, 8) +#define OB_WIN_ATTR_TC_SHIFT 8 +#define OB_WIN_ATTR_RELAXED BIT(7) +#define OB_WIN_ATTR_NOSNOOP BIT(6) +#define OB_WIN_ATTR_POISON BIT(5) +#define OB_WIN_ATTR_IDO BIT(4) +#define OB_WIN_TYPE_MASK GENMASK(3, 0) +#define OB_WIN_TYPE_SHIFT 0 +#define OB_WIN_TYPE_MEM 0x0 +#define OB_WIN_TYPE_IO 0x4 +#define OB_WIN_TYPE_CONFIG_TYPE0 0x8 +#define OB_WIN_TYPE_CONFIG_TYPE1 0x9 +#define OB_WIN_TYPE_MSG 0xc + /* LMI registers base address and register offsets */ #define LMI_BASE_ADDR 0x6000 #define CFG_REG (LMI_BASE_ADDR + 0x0) @@ -237,6 +266,13 @@ struct advk_pcie { struct platform_device *pdev; void __iomem *base; struct list_head resources; + struct { + phys_addr_t match; + phys_addr_t remap; + phys_addr_t mask; + u32 actions; + } wins[OB_WIN_COUNT]; + u8 wins_count; struct irq_domain *irq_domain; struct irq_chip irq_chip; raw_spinlock_t irq_lock; @@ -249,7 +285,9 @@ struct advk_pcie { struct mutex msi_used_lock; u16 msi_msg; int root_bus_nr; + int link_gen; struct pci_bridge_emul bridge; + struct gpio_desc *reset_gpio; }; static inline void advk_writel(struct advk_pcie *pcie, u32 val, u64 reg) @@ -309,20 +347,16 @@ static inline bool advk_pcie_link_training(struct advk_pcie *pcie) static int advk_pcie_wait_for_link(struct advk_pcie *pcie) { - struct device *dev = &pcie->pdev->dev; int retries; /* check if the link is up or not */ for (retries = 0; retries < LINK_WAIT_MAX_RETRIES; retries++) { - if (advk_pcie_link_up(pcie)) { - dev_info(dev, "link up\n"); + if (advk_pcie_link_up(pcie)) return 0; - } usleep_range(LINK_WAIT_USLEEP_MIN, LINK_WAIT_USLEEP_MAX); } - dev_err(dev, "link never came up\n"); return -ETIMEDOUT; } @@ -337,9 +371,115 @@ static void advk_pcie_wait_for_retrain(struct advk_pcie *pcie) } } +static void advk_pcie_issue_perst(struct advk_pcie *pcie) +{ + if (!pcie->reset_gpio) + return; + + /* 10ms delay is needed for some cards */ + dev_info(&pcie->pdev->dev, "issuing PERST via reset GPIO for 10ms\n"); + gpiod_set_value_cansleep(pcie->reset_gpio, 1); + usleep_range(10000, 11000); + gpiod_set_value_cansleep(pcie->reset_gpio, 0); +} + +static void advk_pcie_train_link(struct advk_pcie *pcie) +{ + struct device *dev = &pcie->pdev->dev; + u32 reg; + int ret; + + /* + * Setup PCIe rev / gen compliance based on device tree property + * 'max-link-speed' which also forces maximal link speed. + */ + reg = advk_readl(pcie, PCIE_CORE_CTRL0_REG); + reg &= ~PCIE_GEN_SEL_MSK; + if (pcie->link_gen == 3) + reg |= SPEED_GEN_3; + else if (pcie->link_gen == 2) + reg |= SPEED_GEN_2; + else + reg |= SPEED_GEN_1; + advk_writel(pcie, reg, PCIE_CORE_CTRL0_REG); + + /* + * Set maximal link speed value also into PCIe Link Control 2 register. + * Armada 3700 Functional Specification says that default value is based + * on SPEED_GEN but tests showed that default value is always 8.0 GT/s. + */ + reg = advk_readl(pcie, PCIE_CORE_PCIEXP_CAP + PCI_EXP_LNKCTL2); + reg &= ~PCI_EXP_LNKCTL2_TLS; + if (pcie->link_gen == 3) + reg |= PCI_EXP_LNKCTL2_TLS_8_0GT; + else if (pcie->link_gen == 2) + reg |= PCI_EXP_LNKCTL2_TLS_5_0GT; + else + reg |= PCI_EXP_LNKCTL2_TLS_2_5GT; + advk_writel(pcie, reg, PCIE_CORE_PCIEXP_CAP + PCI_EXP_LNKCTL2); + + /* Enable link training after selecting PCIe generation */ + reg = advk_readl(pcie, PCIE_CORE_CTRL0_REG); + reg |= LINK_TRAINING_EN; + advk_writel(pcie, reg, PCIE_CORE_CTRL0_REG); + + /* + * Reset PCIe card via PERST# signal. Some cards are not detected + * during link training when they are in some non-initial state. + */ + advk_pcie_issue_perst(pcie); + + /* + * PERST# signal could have been asserted by pinctrl subsystem before + * probe() callback has been called or issued explicitly by reset gpio + * function advk_pcie_issue_perst(), making the endpoint going into + * fundamental reset. As required by PCI Express spec (PCI Express + * Base Specification, REV. 4.0 PCI Express, February 19 2014, 6.6.1 + * Conventional Reset) a delay for at least 100ms after such a reset + * before sending a Configuration Request to the device is needed. + * So wait until PCIe link is up. Function advk_pcie_wait_for_link() + * waits for link at least 900ms. + */ + ret = advk_pcie_wait_for_link(pcie); + if (ret < 0) + dev_err(dev, "link never came up\n"); + else + dev_info(dev, "link up\n"); +} + +/* + * Set PCIe address window register which could be used for memory + * mapping. + */ +static void advk_pcie_set_ob_win(struct advk_pcie *pcie, u8 win_num, + phys_addr_t match, phys_addr_t remap, + phys_addr_t mask, u32 actions) +{ + advk_writel(pcie, OB_WIN_ENABLE | + lower_32_bits(match), OB_WIN_MATCH_LS(win_num)); + advk_writel(pcie, upper_32_bits(match), OB_WIN_MATCH_MS(win_num)); + advk_writel(pcie, lower_32_bits(remap), OB_WIN_REMAP_LS(win_num)); + advk_writel(pcie, upper_32_bits(remap), OB_WIN_REMAP_MS(win_num)); + advk_writel(pcie, lower_32_bits(mask), OB_WIN_MASK_LS(win_num)); + advk_writel(pcie, upper_32_bits(mask), OB_WIN_MASK_MS(win_num)); + advk_writel(pcie, actions, OB_WIN_ACTIONS(win_num)); +} + +static void advk_pcie_disable_ob_win(struct advk_pcie *pcie, u8 win_num) +{ + advk_writel(pcie, 0, OB_WIN_MATCH_LS(win_num)); + advk_writel(pcie, 0, OB_WIN_MATCH_MS(win_num)); + advk_writel(pcie, 0, OB_WIN_REMAP_LS(win_num)); + advk_writel(pcie, 0, OB_WIN_REMAP_MS(win_num)); + advk_writel(pcie, 0, OB_WIN_MASK_LS(win_num)); + advk_writel(pcie, 0, OB_WIN_MASK_MS(win_num)); + advk_writel(pcie, 0, OB_WIN_ACTIONS(win_num)); +} + static void advk_pcie_setup_hw(struct advk_pcie *pcie) { u32 reg; + int i; /* Set to Direct mode */ reg = advk_readl(pcie, CTRL_CONFIG_REG); @@ -362,6 +502,31 @@ static void advk_pcie_setup_hw(struct advk_pcie *pcie) reg = (PCI_VENDOR_ID_MARVELL << 16) | PCI_VENDOR_ID_MARVELL; advk_writel(pcie, reg, VENDOR_ID_REG); + /* + * Change Class Code of PCI Bridge device to PCI Bridge (0x600400), + * because the default value is Mass storage controller (0x010400). + * + * Note that this Aardvark PCI Bridge does not have compliant Type 1 + * Configuration Space and it even cannot be accessed via Aardvark's + * PCI config space access method. Something like config space is + * available in internal Aardvark registers starting at offset 0x0 + * and is reported as Type 0. In range 0x10 - 0x34 it has totally + * different registers. + * + * Therefore driver uses emulation of PCI Bridge which emulates + * access to configuration space via internal Aardvark registers or + * emulated configuration buffer. + */ + reg = advk_readl(pcie, PCIE_CORE_DEV_REV_REG); + reg &= ~0xffffff00; + reg |= (PCI_CLASS_BRIDGE_PCI << 8) << 8; + advk_writel(pcie, reg, PCIE_CORE_DEV_REV_REG); + + /* Disable Root Bridge I/O space, memory space and bus mastering */ + reg = advk_readl(pcie, PCIE_CORE_CMD_STATUS_REG); + reg &= ~(PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER); + advk_writel(pcie, reg, PCIE_CORE_CMD_STATUS_REG); + /* Set Advanced Error Capabilities and Control PF0 register */ reg = PCIE_CORE_ERR_CAPCTL_ECRC_CHK_TX | PCIE_CORE_ERR_CAPCTL_ECRC_CHK_TX_EN | @@ -369,36 +534,27 @@ static void advk_pcie_setup_hw(struct advk_pcie *pcie) PCIE_CORE_ERR_CAPCTL_ECRC_CHCK_RCV; advk_writel(pcie, reg, PCIE_CORE_ERR_CAPCTL_REG); - /* Set PCIe Device Control and Status 1 PF0 register */ - reg = PCIE_CORE_DEV_CTRL_STATS_RELAX_ORDER_DISABLE | - (7 << PCIE_CORE_DEV_CTRL_STATS_MAX_PAYLOAD_SZ_SHIFT) | - PCIE_CORE_DEV_CTRL_STATS_SNOOP_DISABLE | - (PCIE_CORE_DEV_CTRL_STATS_MAX_RD_REQ_SZ << - PCIE_CORE_DEV_CTRL_STATS_MAX_RD_REQ_SIZE_SHIFT); - advk_writel(pcie, reg, PCIE_CORE_DEV_CTRL_STATS_REG); + /* Set PCIe Device Control register */ + reg = advk_readl(pcie, PCIE_CORE_PCIEXP_CAP + PCI_EXP_DEVCTL); + reg &= ~PCI_EXP_DEVCTL_RELAX_EN; + reg &= ~PCI_EXP_DEVCTL_NOSNOOP_EN; + reg &= ~PCI_EXP_DEVCTL_PAYLOAD; + reg &= ~PCI_EXP_DEVCTL_READRQ; + reg |= PCI_EXP_DEVCTL_PAYLOAD_512B; + reg |= PCI_EXP_DEVCTL_READRQ_512B; + advk_writel(pcie, reg, PCIE_CORE_PCIEXP_CAP + PCI_EXP_DEVCTL); /* Program PCIe Control 2 to disable strict ordering */ reg = PCIE_CORE_CTRL2_RESERVED | PCIE_CORE_CTRL2_TD_ENABLE; advk_writel(pcie, reg, PCIE_CORE_CTRL2_REG); - /* Set GEN2 */ - reg = advk_readl(pcie, PCIE_CORE_CTRL0_REG); - reg &= ~PCIE_GEN_SEL_MSK; - reg |= SPEED_GEN_2; - advk_writel(pcie, reg, PCIE_CORE_CTRL0_REG); - /* Set lane X1 */ reg = advk_readl(pcie, PCIE_CORE_CTRL0_REG); reg &= ~LANE_CNT_MSK; reg |= LANE_COUNT_1; advk_writel(pcie, reg, PCIE_CORE_CTRL0_REG); - /* Enable link training */ - reg = advk_readl(pcie, PCIE_CORE_CTRL0_REG); - reg |= LINK_TRAINING_EN; - advk_writel(pcie, reg, PCIE_CORE_CTRL0_REG); - /* Enable MSI */ reg = advk_readl(pcie, PCIE_CORE_CTRL2_REG); reg |= PCIE_CORE_CTRL2_MSI_ENABLE; @@ -423,27 +579,52 @@ static void advk_pcie_setup_hw(struct advk_pcie *pcie) reg = PCIE_IRQ_ALL_MASK & (~PCIE_IRQ_ENABLE_INTS_MASK); advk_writel(pcie, reg, HOST_CTRL_INT_MASK_REG); + /* + * Enable AXI address window location generation: + * When it is enabled, the default outbound window + * configurations (Default User Field: 0xD0074CFC) + * are used to transparent address translation for + * the outbound transactions. Thus, PCIe address + * windows are not required for transparent memory + * access when default outbound window configuration + * is set for memory access. + */ reg = advk_readl(pcie, PCIE_CORE_CTRL2_REG); reg |= PCIE_CORE_CTRL2_OB_WIN_ENABLE; advk_writel(pcie, reg, PCIE_CORE_CTRL2_REG); - /* Bypass the address window mapping for PIO */ + /* + * Set memory access in Default User Field so it + * is not required to configure PCIe address for + * transparent memory access. + */ + advk_writel(pcie, OB_WIN_TYPE_MEM, OB_WIN_DEFAULT_ACTIONS); + + /* + * Bypass the address window mapping for PIO: + * Since PIO access already contains all required + * info over AXI interface by PIO registers, the + * address window is not required. + */ reg = advk_readl(pcie, PIO_CTRL); reg |= PIO_CTRL_ADDR_WIN_DISABLE; advk_writel(pcie, reg, PIO_CTRL); - /* Start link training */ - reg = advk_readl(pcie, PCIE_CORE_LINK_CTRL_STAT_REG); - reg |= PCIE_CORE_LINK_TRAINING; - advk_writel(pcie, reg, PCIE_CORE_LINK_CTRL_STAT_REG); + /* + * Configure PCIe address windows for non-memory or + * non-transparent access as by default PCIe uses + * transparent memory access. + */ + for (i = 0; i < pcie->wins_count; i++) + advk_pcie_set_ob_win(pcie, i, + pcie->wins[i].match, pcie->wins[i].remap, + pcie->wins[i].mask, pcie->wins[i].actions); - advk_pcie_wait_for_link(pcie); + /* Disable remaining PCIe outbound windows */ + for (i = pcie->wins_count; i < OB_WIN_COUNT; i++) + advk_pcie_disable_ob_win(pcie, i); - reg = advk_readl(pcie, PCIE_CORE_CMD_STATUS_REG); - reg |= PCIE_CORE_CMD_MEM_ACCESS_EN | - PCIE_CORE_CMD_IO_ACCESS_EN | - PCIE_CORE_CMD_MEM_IO_REQ_EN; - advk_writel(pcie, reg, PCIE_CORE_CMD_STATUS_REG); + advk_pcie_train_link(pcie); } static int advk_pcie_check_pio_status(struct advk_pcie *pcie, bool allow_crs, u32 *val) @@ -452,6 +633,7 @@ static int advk_pcie_check_pio_status(struct advk_pcie *pcie, bool allow_crs, u3 u32 reg; unsigned int status; char *strcomp_status, *str_posted; + int ret; reg = advk_readl(pcie, PIO_STAT); status = (reg & PIO_COMPLETION_STATUS_MASK) >> @@ -476,6 +658,7 @@ static int advk_pcie_check_pio_status(struct advk_pcie *pcie, bool allow_crs, u3 case PIO_COMPLETION_STATUS_OK: if (reg & PIO_ERR_STATUS) { strcomp_status = "COMP_ERR"; + ret = -EFAULT; break; } /* Get the read result */ @@ -483,9 +666,11 @@ static int advk_pcie_check_pio_status(struct advk_pcie *pcie, bool allow_crs, u3 *val = advk_readl(pcie, PIO_RD_DATA); /* No error */ strcomp_status = NULL; + ret = 0; break; case PIO_COMPLETION_STATUS_UR: strcomp_status = "UR"; + ret = -EOPNOTSUPP; break; case PIO_COMPLETION_STATUS_CRS: if (allow_crs && val) { @@ -503,6 +688,7 @@ static int advk_pcie_check_pio_status(struct advk_pcie *pcie, bool allow_crs, u3 */ *val = CFG_RD_CRS_VAL; strcomp_status = NULL; + ret = 0; break; } /* PCIe r4.0, sec 2.3.2, says: @@ -518,21 +704,24 @@ static int advk_pcie_check_pio_status(struct advk_pcie *pcie, bool allow_crs, u3 * Request and taking appropriate action, e.g., complete the * Request to the host as a failed transaction. * - * To simplify implementation do not re-issue the Configuration - * Request and complete the Request as a failed transaction. + * So return -EAGAIN and caller (pci-aardvark.c driver) will + * re-issue request again up to the PIO_RETRY_CNT retries. */ strcomp_status = "CRS"; + ret = -EAGAIN; break; case PIO_COMPLETION_STATUS_CA: strcomp_status = "CA"; + ret = -ECANCELED; break; default: strcomp_status = "Unknown"; + ret = -EINVAL; break; } if (!strcomp_status) - return 0; + return ret; if (reg & PIO_NON_POSTED_REQ) str_posted = "Non-posted"; @@ -542,7 +731,7 @@ static int advk_pcie_check_pio_status(struct advk_pcie *pcie, bool allow_crs, u3 dev_dbg(dev, "%s PIO Response Status: %s, %#x @ %#x\n", str_posted, strcomp_status, reg, advk_readl(pcie, PIO_ADDR_LS)); - return -EFAULT; + return ret; } static int advk_pcie_wait_pio(struct advk_pcie *pcie) @@ -550,13 +739,13 @@ static int advk_pcie_wait_pio(struct advk_pcie *pcie) struct device *dev = &pcie->pdev->dev; int i; - for (i = 0; i < PIO_RETRY_CNT; i++) { + for (i = 1; i <= PIO_RETRY_CNT; i++) { u32 start, isr; start = advk_readl(pcie, PIO_START); isr = advk_readl(pcie, PIO_ISR); if (!start && isr) - return 0; + return i; udelay(PIO_RETRY_DELAY); } @@ -564,6 +753,64 @@ static int advk_pcie_wait_pio(struct advk_pcie *pcie) return -ETIMEDOUT; } +static pci_bridge_emul_read_status_t +advk_pci_bridge_emul_base_conf_read(struct pci_bridge_emul *bridge, + int reg, u32 *value) +{ + struct advk_pcie *pcie = bridge->data; + + switch (reg) { + case PCI_COMMAND: + *value = advk_readl(pcie, PCIE_CORE_CMD_STATUS_REG); + return PCI_BRIDGE_EMUL_HANDLED; + + case PCI_INTERRUPT_LINE: { + /* + * From the whole 32bit register we support reading from HW only + * one bit: PCI_BRIDGE_CTL_BUS_RESET. + * Other bits are retrieved only from emulated config buffer. + */ + __le32 *cfgspace = (__le32 *)&bridge->conf; + u32 val = le32_to_cpu(cfgspace[PCI_INTERRUPT_LINE / 4]); + if (advk_readl(pcie, PCIE_CORE_CTRL1_REG) & HOT_RESET_GEN) + val |= PCI_BRIDGE_CTL_BUS_RESET << 16; + else + val &= ~(PCI_BRIDGE_CTL_BUS_RESET << 16); + *value = val; + return PCI_BRIDGE_EMUL_HANDLED; + } + + default: + return PCI_BRIDGE_EMUL_NOT_HANDLED; + } +} + +static void +advk_pci_bridge_emul_base_conf_write(struct pci_bridge_emul *bridge, + int reg, u32 old, u32 new, u32 mask) +{ + struct advk_pcie *pcie = bridge->data; + + switch (reg) { + case PCI_COMMAND: + advk_writel(pcie, new, PCIE_CORE_CMD_STATUS_REG); + break; + + case PCI_INTERRUPT_LINE: + if (mask & (PCI_BRIDGE_CTL_BUS_RESET << 16)) { + u32 val = advk_readl(pcie, PCIE_CORE_CTRL1_REG); + if (new & (PCI_BRIDGE_CTL_BUS_RESET << 16)) + val |= HOT_RESET_GEN; + else + val &= ~HOT_RESET_GEN; + advk_writel(pcie, val, PCIE_CORE_CTRL1_REG); + } + break; + + default: + break; + } +} static pci_bridge_emul_read_status_t advk_pci_bridge_emul_pcie_conf_read(struct pci_bridge_emul *bridge, @@ -616,7 +863,6 @@ advk_pci_bridge_emul_pcie_conf_read(struct pci_bridge_emul *bridge, return PCI_BRIDGE_EMUL_HANDLED; } - case PCI_CAP_LIST_ID: case PCI_EXP_DEVCAP: case PCI_EXP_DEVCTL: *value = advk_readl(pcie, PCIE_CORE_PCIEXP_CAP + reg); @@ -665,6 +911,8 @@ advk_pci_bridge_emul_pcie_conf_write(struct pci_bridge_emul *bridge, } static struct pci_bridge_emul_ops advk_pci_bridge_emul_ops = { + .read_base = advk_pci_bridge_emul_base_conf_read, + .write_base = advk_pci_bridge_emul_base_conf_write, .read_pcie = advk_pci_bridge_emul_pcie_conf_read, .write_pcie = advk_pci_bridge_emul_pcie_conf_write, }; @@ -676,37 +924,36 @@ static struct pci_bridge_emul_ops advk_pci_bridge_emul_ops = { static int advk_sw_pci_bridge_init(struct advk_pcie *pcie) { struct pci_bridge_emul *bridge = &pcie->bridge; - int ret; - bridge->conf.vendor = advk_readl(pcie, PCIE_CORE_DEV_ID_REG) & 0xffff; - bridge->conf.device = advk_readl(pcie, PCIE_CORE_DEV_ID_REG) >> 16; + bridge->conf.vendor = + cpu_to_le16(advk_readl(pcie, PCIE_CORE_DEV_ID_REG) & 0xffff); + bridge->conf.device = + cpu_to_le16(advk_readl(pcie, PCIE_CORE_DEV_ID_REG) >> 16); bridge->conf.class_revision = - advk_readl(pcie, PCIE_CORE_DEV_REV_REG) & 0xff; + cpu_to_le32(advk_readl(pcie, PCIE_CORE_DEV_REV_REG) & 0xff); /* Support 32 bits I/O addressing */ bridge->conf.iobase = PCI_IO_RANGE_TYPE_32; bridge->conf.iolimit = PCI_IO_RANGE_TYPE_32; /* Support 64 bits memory pref */ - bridge->conf.pref_mem_base = PCI_PREF_RANGE_TYPE_64; - bridge->conf.pref_mem_limit = PCI_PREF_RANGE_TYPE_64; + bridge->conf.pref_mem_base = cpu_to_le16(PCI_PREF_RANGE_TYPE_64); + bridge->conf.pref_mem_limit = cpu_to_le16(PCI_PREF_RANGE_TYPE_64); /* Support interrupt A for MSI feature */ bridge->conf.intpin = PCIE_CORE_INT_A_ASSERT_ENABLE; - bridge->has_pcie = true; - bridge->data = pcie; - bridge->ops = &advk_pci_bridge_emul_ops; - - /* PCIe config space can be initialized after pci_bridge_emul_init() */ - ret = pci_bridge_emul_init(bridge, 0); - if (ret < 0) - return ret; + /* Aardvark HW provides PCIe Capability structure in version 2 */ + bridge->pcie_conf.cap = cpu_to_le16(2); /* Indicates supports for Completion Retry Status */ bridge->pcie_conf.rootcap = cpu_to_le16(PCI_EXP_RTCAP_CRSVIS); - return 0; + bridge->has_pcie = true; + bridge->data = pcie; + bridge->ops = &advk_pci_bridge_emul_ops; + + return pci_bridge_emul_init(bridge, 0); } static bool advk_pcie_valid_device(struct advk_pcie *pcie, struct pci_bus *bus, @@ -715,6 +962,13 @@ static bool advk_pcie_valid_device(struct advk_pcie *pcie, struct pci_bus *bus, if ((bus->number == pcie->root_bus_nr) && PCI_SLOT(devfn) != 0) return false; + /* + * If the link goes down after we check for link-up, nothing bad + * happens but the config access times out. + */ + if (bus->number != pcie->root_bus_nr && !advk_pcie_link_up(pcie)) + return false; + return true; } @@ -751,6 +1005,7 @@ static int advk_pcie_rd_conf(struct pci_bus *bus, u32 devfn, int where, int size, u32 *val) { struct advk_pcie *pcie = bus->sysdata; + int retry_count; bool allow_crs; u32 reg; int ret; @@ -773,18 +1028,8 @@ static int advk_pcie_rd_conf(struct pci_bus *bus, u32 devfn, (le16_to_cpu(pcie->bridge.pcie_conf.rootctl) & PCI_EXP_RTCTL_CRSSVE); - if (advk_pcie_pio_is_running(pcie)) { - /* - * If it is possible return Completion Retry Status so caller - * tries to issue the request again instead of failing. - */ - if (allow_crs) { - *val = CFG_RD_CRS_VAL; - return PCIBIOS_SUCCESSFUL; - } - *val = 0xffffffff; - return PCIBIOS_SET_FAILED; - } + if (advk_pcie_pio_is_running(pcie)) + goto try_crs; /* Program the control register */ reg = advk_readl(pcie, PIO_CTRL); @@ -803,30 +1048,24 @@ static int advk_pcie_rd_conf(struct pci_bus *bus, u32 devfn, /* Program the data strobe */ advk_writel(pcie, 0xf, PIO_WR_DATA_STRB); - /* Clear PIO DONE ISR and start the transfer */ - advk_writel(pcie, 1, PIO_ISR); - advk_writel(pcie, 1, PIO_START); + retry_count = 0; + do { + /* Clear PIO DONE ISR and start the transfer */ + advk_writel(pcie, 1, PIO_ISR); + advk_writel(pcie, 1, PIO_START); - ret = advk_pcie_wait_pio(pcie); - if (ret < 0) { - /* - * If it is possible return Completion Retry Status so caller - * tries to issue the request again instead of failing. - */ - if (allow_crs) { - *val = CFG_RD_CRS_VAL; - return PCIBIOS_SUCCESSFUL; - } - *val = 0xffffffff; - return PCIBIOS_SET_FAILED; - } + ret = advk_pcie_wait_pio(pcie); + if (ret < 0) + goto try_crs; - /* Check PIO status and get the read result */ - ret = advk_pcie_check_pio_status(pcie, allow_crs, val); - if (ret < 0) { - *val = 0xffffffff; - return PCIBIOS_SET_FAILED; - } + retry_count += ret; + + /* Check PIO status and get the read result */ + ret = advk_pcie_check_pio_status(pcie, allow_crs, val); + } while (ret == -EAGAIN && retry_count < PIO_RETRY_CNT); + + if (ret < 0) + goto fail; if (size == 1) *val = (*val >> (8 * (where & 3))) & 0xff; @@ -834,6 +1073,20 @@ static int advk_pcie_rd_conf(struct pci_bus *bus, u32 devfn, *val = (*val >> (8 * (where & 3))) & 0xffff; return PCIBIOS_SUCCESSFUL; + +try_crs: + /* + * If it is possible, return Completion Retry Status so that caller + * tries to issue the request again instead of failing. + */ + if (allow_crs) { + *val = CFG_RD_CRS_VAL; + return PCIBIOS_SUCCESSFUL; + } + +fail: + *val = 0xffffffff; + return PCIBIOS_SET_FAILED; } static int advk_pcie_wr_conf(struct pci_bus *bus, u32 devfn, @@ -842,6 +1095,7 @@ static int advk_pcie_wr_conf(struct pci_bus *bus, u32 devfn, struct advk_pcie *pcie = bus->sysdata; u32 reg; u32 data_strobe = 0x0; + int retry_count; int offset; int ret; @@ -883,19 +1137,22 @@ static int advk_pcie_wr_conf(struct pci_bus *bus, u32 devfn, /* Program the data strobe */ advk_writel(pcie, data_strobe, PIO_WR_DATA_STRB); - /* Clear PIO DONE ISR and start the transfer */ - advk_writel(pcie, 1, PIO_ISR); - advk_writel(pcie, 1, PIO_START); + retry_count = 0; + do { + /* Clear PIO DONE ISR and start the transfer */ + advk_writel(pcie, 1, PIO_ISR); + advk_writel(pcie, 1, PIO_START); - ret = advk_pcie_wait_pio(pcie); - if (ret < 0) - return PCIBIOS_SET_FAILED; + ret = advk_pcie_wait_pio(pcie); + if (ret < 0) + return PCIBIOS_SET_FAILED; - ret = advk_pcie_check_pio_status(pcie, false, NULL); - if (ret < 0) - return PCIBIOS_SET_FAILED; + retry_count += ret; - return PCIBIOS_SUCCESSFUL; + ret = advk_pcie_check_pio_status(pcie, false, NULL); + } while (ret == -EAGAIN && retry_count < PIO_RETRY_CNT); + + return ret < 0 ? PCIBIOS_SET_FAILED : PCIBIOS_SUCCESSFUL; } static struct pci_ops advk_pcie_ops = { @@ -1244,6 +1501,7 @@ static int advk_pcie_probe(struct platform_device *pdev) struct advk_pcie *pcie; struct resource *res; struct pci_host_bridge *bridge; + struct resource_entry *entry; int ret, irq; bridge = devm_pci_alloc_host_bridge(dev, sizeof(struct advk_pcie)); @@ -1273,6 +1531,102 @@ static int advk_pcie_probe(struct platform_device *pdev) return ret; } + resource_list_for_each_entry(entry, &pcie->resources) { + resource_size_t start = entry->res->start; + resource_size_t size = resource_size(entry->res); + unsigned long type = resource_type(entry->res); + u64 win_size; + + /* + * Aardvark hardware allows to configure also PCIe window + * for config type 0 and type 1 mapping, but driver uses + * only PIO for issuing configuration transfers which does + * not use PCIe window configuration. + */ + if (type != IORESOURCE_MEM && type != IORESOURCE_MEM_64 && + type != IORESOURCE_IO) + continue; + + /* + * Skip transparent memory resources. Default outbound access + * configuration is set to transparent memory access so it + * does not need window configuration. + */ + if ((type == IORESOURCE_MEM || type == IORESOURCE_MEM_64) && + entry->offset == 0) + continue; + + /* + * The n-th PCIe window is configured by tuple (match, remap, mask) + * and an access to address A uses this window if A matches the + * match with given mask. + * So every PCIe window size must be a power of two and every start + * address must be aligned to window size. Minimal size is 64 KiB + * because lower 16 bits of mask must be zero. Remapped address + * may have set only bits from the mask. + */ + while (pcie->wins_count < OB_WIN_COUNT && size > 0) { + /* Calculate the largest aligned window size */ + win_size = (1ULL << (fls64(size)-1)) | + (start ? (1ULL << __ffs64(start)) : 0); + win_size = 1ULL << __ffs64(win_size); + if (win_size < 0x10000) + break; + + dev_dbg(dev, + "Configuring PCIe window %d: [0x%llx-0x%llx] as %lu\n", + pcie->wins_count, (unsigned long long)start, + (unsigned long long)start + win_size, type); + + if (type == IORESOURCE_IO) { + pcie->wins[pcie->wins_count].actions = OB_WIN_TYPE_IO; + pcie->wins[pcie->wins_count].match = pci_pio_to_address(start); + } else { + pcie->wins[pcie->wins_count].actions = OB_WIN_TYPE_MEM; + pcie->wins[pcie->wins_count].match = start; + } + pcie->wins[pcie->wins_count].remap = start - entry->offset; + pcie->wins[pcie->wins_count].mask = ~(win_size - 1); + + if (pcie->wins[pcie->wins_count].remap & (win_size - 1)) + break; + + start += win_size; + size -= win_size; + pcie->wins_count++; + } + + if (size > 0) { + dev_err(&pcie->pdev->dev, + "Invalid PCIe region [0x%llx-0x%llx]\n", + (unsigned long long)entry->res->start, + (unsigned long long)entry->res->end + 1); + return -EINVAL; + } + } + + pcie->reset_gpio = devm_gpiod_get_from_of_node(dev, dev->of_node, + "reset-gpios", 0, + GPIOD_OUT_LOW, + "pcie1-reset"); + ret = PTR_ERR_OR_ZERO(pcie->reset_gpio); + if (ret) { + if (ret == -ENOENT) { + pcie->reset_gpio = NULL; + } else { + if (ret != -EPROBE_DEFER) + dev_err(dev, "Failed to get reset-gpio: %i\n", + ret); + return ret; + } + } + + ret = of_pci_get_max_link_speed(dev->of_node); + if (ret <= 0 || ret > 3) + pcie->link_gen = 3; + else + pcie->link_gen = ret; + advk_pcie_setup_hw(pcie); ret = advk_sw_pci_bridge_init(pcie); diff --git a/drivers/pci/controller/pci-mvebu.c b/drivers/pci/controller/pci-mvebu.c index 5a2483e125a3fea92cf3782b14449e40ca2763ee..09af97083ac090f60088f5f5bdab368a16c42844 100644 --- a/drivers/pci/controller/pci-mvebu.c +++ b/drivers/pci/controller/pci-mvebu.c @@ -576,6 +576,8 @@ struct pci_bridge_emul_ops mvebu_pci_bridge_emul_ops = { static void mvebu_pci_bridge_emul_init(struct mvebu_pcie_port *port) { struct pci_bridge_emul *bridge = &port->bridge; + u32 pcie_cap = mvebu_readl(port, PCIE_CAP_PCIEXP); + u8 pcie_cap_ver = ((pcie_cap >> 16) & PCI_EXP_FLAGS_VERS); bridge->conf.vendor = PCI_VENDOR_ID_MARVELL; bridge->conf.device = mvebu_readl(port, PCIE_DEV_ID_OFF) >> 16; @@ -588,6 +590,12 @@ static void mvebu_pci_bridge_emul_init(struct mvebu_pcie_port *port) bridge->conf.iolimit = PCI_IO_RANGE_TYPE_32; } + /* + * Older mvebu hardware provides PCIe Capability structure only in + * version 1. New hardware provides it in version 2. + */ + bridge->pcie_conf.cap = cpu_to_le16(pcie_cap_ver); + bridge->has_pcie = true; bridge->data = port; bridge->ops = &mvebu_pci_bridge_emul_ops; diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c index 88b996764ff95ab4abeb72c332ec20154a7130a0..907b8be86ce048725f8f0daec84b50d0d6795593 100644 --- a/drivers/pci/hotplug/pciehp_hpc.c +++ b/drivers/pci/hotplug/pciehp_hpc.c @@ -577,6 +577,8 @@ static irqreturn_t pciehp_isr(int irq, void *dev_id) */ if (ctrl->power_fault_detected) status &= ~PCI_EXP_SLTSTA_PFD; + else if (status & PCI_EXP_SLTSTA_PFD) + ctrl->power_fault_detected = true; events |= status; if (!events) { @@ -586,7 +588,7 @@ static irqreturn_t pciehp_isr(int irq, void *dev_id) } if (status) { - pcie_capability_write_word(pdev, PCI_EXP_SLTSTA, events); + pcie_capability_write_word(pdev, PCI_EXP_SLTSTA, status); /* * In MSI mode, all event bits must be zero before the port @@ -660,8 +662,7 @@ static irqreturn_t pciehp_ist(int irq, void *dev_id) } /* Check Power Fault Detected */ - if ((events & PCI_EXP_SLTSTA_PFD) && !ctrl->power_fault_detected) { - ctrl->power_fault_detected = 1; + if (events & PCI_EXP_SLTSTA_PFD) { ctrl_err(ctrl, "Slot(%s): Power fault\n", slot_name(ctrl)); pciehp_set_indicators(ctrl, PCI_EXP_SLTCTL_PWR_IND_OFF, PCI_EXP_SLTCTL_ATTN_IND_ON); diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index 293bee7e950417d93e0c432b0e5971ee6c3a1a7c..7270ecdc138b9293b05df82fe6b0cb6d61561566 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -826,9 +826,6 @@ static int msix_capability_init(struct pci_dev *dev, struct msix_entry *entries, goto out_disable; } - /* Ensure that all table entries are masked. */ - msix_mask_all(base, tsize); - ret = msix_setup_entries(dev, base, entries, nvec, affd); if (ret) goto out_disable; @@ -851,6 +848,16 @@ static int msix_capability_init(struct pci_dev *dev, struct msix_entry *entries, /* Set MSI-X enabled bits and unmask the function */ pci_intx_for_msi(dev, 0); dev->msix_enabled = 1; + + /* + * Ensure that all table entries are masked to prevent + * stale entries from firing in a crash kernel. + * + * Done late to deal with a broken Marvell NVME device + * which takes the MSI-X mask bits into account even + * when MSI-X is disabled, which prevents MSI delivery. + */ + msix_mask_all(base, tsize); pci_msix_clear_and_set_ctrl(dev, PCI_MSIX_FLAGS_MASKALL, 0); pcibios_free_irq(dev); @@ -877,7 +884,7 @@ static int msix_capability_init(struct pci_dev *dev, struct msix_entry *entries, free_msi_irqs(dev); out_disable: - pci_msix_clear_and_set_ctrl(dev, PCI_MSIX_FLAGS_ENABLE, 0); + pci_msix_clear_and_set_ctrl(dev, PCI_MSIX_FLAGS_MASKALL | PCI_MSIX_FLAGS_ENABLE, 0); return ret; } @@ -1286,19 +1293,24 @@ EXPORT_SYMBOL(pci_free_irq_vectors); /** * pci_irq_vector - return Linux IRQ number of a device vector - * @dev: PCI device to operate on - * @nr: device-relative interrupt vector index (0-based). + * @dev: PCI device to operate on + * @nr: Interrupt vector index (0-based) + * + * @nr has the following meanings depending on the interrupt mode: + * MSI-X: The index in the MSI-X vector table + * MSI: The index of the enabled MSI vectors + * INTx: Must be 0 + * + * Return: The Linux interrupt number or -EINVAl if @nr is out of range. */ int pci_irq_vector(struct pci_dev *dev, unsigned int nr) { if (dev->msix_enabled) { struct msi_desc *entry; - int i = 0; for_each_pci_msi_entry(entry, dev) { - if (i == nr) + if (entry->msi_attrib.entry_nr == nr) return entry->irq; - i++; } WARN_ON_ONCE(1); return -EINVAL; @@ -1322,17 +1334,22 @@ EXPORT_SYMBOL(pci_irq_vector); * pci_irq_get_affinity - return the affinity of a particular MSI vector * @dev: PCI device to operate on * @nr: device-relative interrupt vector index (0-based). + * + * @nr has the following meanings depending on the interrupt mode: + * MSI-X: The index in the MSI-X vector table + * MSI: The index of the enabled MSI vectors + * INTx: Must be 0 + * + * Return: A cpumask pointer or NULL if @nr is out of range */ const struct cpumask *pci_irq_get_affinity(struct pci_dev *dev, int nr) { if (dev->msix_enabled) { struct msi_desc *entry; - int i = 0; for_each_pci_msi_entry(entry, dev) { - if (i == nr) + if (entry->msi_attrib.entry_nr == nr) return &entry->affinity->mask; - i++; } WARN_ON_ONCE(1); return NULL; diff --git a/drivers/pci/pci-bridge-emul.c b/drivers/pci/pci-bridge-emul.c index b3d63e319bb3920ed368f0ea83ec9d6089017b60..0ca3b5eef53a79c2d08a66a7a18d87fd736f195f 100644 --- a/drivers/pci/pci-bridge-emul.c +++ b/drivers/pci/pci-bridge-emul.c @@ -21,8 +21,9 @@ #include "pci-bridge-emul.h" #define PCI_BRIDGE_CONF_END PCI_STD_HEADER_SIZEOF +#define PCI_CAP_PCIE_SIZEOF (PCI_EXP_SLTSTA2 + 2) #define PCI_CAP_PCIE_START PCI_BRIDGE_CONF_END -#define PCI_CAP_PCIE_END (PCI_CAP_PCIE_START + PCI_EXP_SLTSTA2 + 2) +#define PCI_CAP_PCIE_END (PCI_CAP_PCIE_START + PCI_CAP_PCIE_SIZEOF) struct pci_bridge_reg_behavior { /* Read-only bits */ @@ -38,7 +39,8 @@ struct pci_bridge_reg_behavior { u32 rsvd; }; -static const struct pci_bridge_reg_behavior pci_regs_behavior[] = { +static const +struct pci_bridge_reg_behavior pci_regs_behavior[PCI_STD_HEADER_SIZEOF / 4] = { [PCI_VENDOR_ID / 4] = { .ro = ~0 }, [PCI_COMMAND / 4] = { .rw = (PCI_COMMAND_IO | PCI_COMMAND_MEMORY | @@ -173,7 +175,8 @@ static const struct pci_bridge_reg_behavior pci_regs_behavior[] = { }, }; -static const struct pci_bridge_reg_behavior pcie_cap_regs_behavior[] = { +static const +struct pci_bridge_reg_behavior pcie_cap_regs_behavior[PCI_CAP_PCIE_SIZEOF / 4] = { [PCI_CAP_LIST_ID / 4] = { /* * Capability ID, Next Capability Pointer and @@ -270,6 +273,8 @@ static const struct pci_bridge_reg_behavior pcie_cap_regs_behavior[] = { int pci_bridge_emul_init(struct pci_bridge_emul *bridge, unsigned int flags) { + BUILD_BUG_ON(sizeof(bridge->conf) != PCI_BRIDGE_CONF_END); + bridge->conf.class_revision |= cpu_to_le32(PCI_CLASS_BRIDGE_PCI << 16); bridge->conf.header_type = PCI_HEADER_TYPE_BRIDGE; bridge->conf.cache_line_size = 0x10; @@ -282,11 +287,9 @@ int pci_bridge_emul_init(struct pci_bridge_emul *bridge, if (bridge->has_pcie) { bridge->conf.capabilities_pointer = PCI_CAP_PCIE_START; + bridge->conf.status |= cpu_to_le16(PCI_STATUS_CAP_LIST); bridge->pcie_conf.cap_id = PCI_CAP_ID_EXP; - /* Set PCIe v2, root port, slot support */ - bridge->pcie_conf.cap = - cpu_to_le16(PCI_EXP_TYPE_ROOT_PORT << 4 | 2 | - PCI_EXP_FLAGS_SLOT); + bridge->pcie_conf.cap |= cpu_to_le16(PCI_EXP_TYPE_ROOT_PORT << 4); bridge->pcie_cap_regs_behavior = kmemdup(pcie_cap_regs_behavior, sizeof(pcie_cap_regs_behavior), @@ -295,6 +298,27 @@ int pci_bridge_emul_init(struct pci_bridge_emul *bridge, kfree(bridge->pci_regs_behavior); return -ENOMEM; } + /* These bits are applicable only for PCI and reserved on PCIe */ + bridge->pci_regs_behavior[PCI_CACHE_LINE_SIZE / 4].ro &= + ~GENMASK(15, 8); + bridge->pci_regs_behavior[PCI_COMMAND / 4].ro &= + ~((PCI_COMMAND_SPECIAL | PCI_COMMAND_INVALIDATE | + PCI_COMMAND_VGA_PALETTE | PCI_COMMAND_WAIT | + PCI_COMMAND_FAST_BACK) | + (PCI_STATUS_66MHZ | PCI_STATUS_FAST_BACK | + PCI_STATUS_DEVSEL_MASK) << 16); + bridge->pci_regs_behavior[PCI_PRIMARY_BUS / 4].ro &= + ~GENMASK(31, 24); + bridge->pci_regs_behavior[PCI_IO_BASE / 4].ro &= + ~((PCI_STATUS_66MHZ | PCI_STATUS_FAST_BACK | + PCI_STATUS_DEVSEL_MASK) << 16); + bridge->pci_regs_behavior[PCI_INTERRUPT_LINE / 4].rw &= + ~((PCI_BRIDGE_CTL_MASTER_ABORT | + BIT(8) | BIT(9) | BIT(11)) << 16); + bridge->pci_regs_behavior[PCI_INTERRUPT_LINE / 4].ro &= + ~((PCI_BRIDGE_CTL_FAST_BACK) << 16); + bridge->pci_regs_behavior[PCI_INTERRUPT_LINE / 4].w1c &= + ~(BIT(10) << 16); } if (flags & PCI_BRIDGE_EMUL_NO_PREFETCHABLE_BAR) { diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index cf3986d4413f76f57dd3d51c2b6f743b27a648f0..2a4bc8df8563938e101376c08c7014d5e6da0857 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -4134,6 +4134,9 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x9120, quirk_dma_func1_alias); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x9123, quirk_dma_func1_alias); +/* https://bugzilla.kernel.org/show_bug.cgi?id=42679#c136 */ +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x9125, + quirk_dma_func1_alias); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x9128, quirk_dma_func1_alias); /* https://bugzilla.kernel.org/show_bug.cgi?id=42679#c14 */ diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c index e211e2619680ce7a1e841878503c532d3b63e7ea..f70197154a36256ce59dcaf31d22faa09cb5fcaf 100644 --- a/drivers/pcmcia/cs.c +++ b/drivers/pcmcia/cs.c @@ -666,18 +666,16 @@ static int pccardd(void *__skt) if (events || sysfs_events) continue; + set_current_state(TASK_INTERRUPTIBLE); if (kthread_should_stop()) break; - set_current_state(TASK_INTERRUPTIBLE); - schedule(); - /* make sure we are running */ - __set_current_state(TASK_RUNNING); - try_to_freeze(); } + /* make sure we are running before we exit */ + __set_current_state(TASK_RUNNING); /* shut down socket, if a device is still present */ if (skt->state & SOCKET_PRESENT) { diff --git a/drivers/pcmcia/rsrc_nonstatic.c b/drivers/pcmcia/rsrc_nonstatic.c index 9e6922c08ef6246f75f8fc1127bdccce8d4b3972..3a512513cb32f8eaa69ec4c38a3f14e61c22c4d7 100644 --- a/drivers/pcmcia/rsrc_nonstatic.c +++ b/drivers/pcmcia/rsrc_nonstatic.c @@ -690,6 +690,9 @@ static struct resource *__nonstatic_find_io_region(struct pcmcia_socket *s, unsigned long min = base; int ret; + if (!res) + return NULL; + data.mask = align - 1; data.offset = base & data.mask; data.map = &s_data->io_db; @@ -809,6 +812,9 @@ static struct resource *nonstatic_find_mem_region(u_long base, u_long num, unsigned long min, max; int ret, i, j; + if (!res) + return NULL; + low = low || !(s->features & SS_CAP_PAGE_REGS); data.mask = align - 1; diff --git a/drivers/phy/socionext/phy-uniphier-usb3ss.c b/drivers/phy/socionext/phy-uniphier-usb3ss.c index a7577e316baf593135d5bf01d0377ca10a0e95de..e63648b5c754707d6ce5b967c361de783c77a2fb 100644 --- a/drivers/phy/socionext/phy-uniphier-usb3ss.c +++ b/drivers/phy/socionext/phy-uniphier-usb3ss.c @@ -22,11 +22,13 @@ #include #define SSPHY_TESTI 0x0 -#define SSPHY_TESTO 0x4 #define TESTI_DAT_MASK GENMASK(13, 6) #define TESTI_ADR_MASK GENMASK(5, 1) #define TESTI_WR_EN BIT(0) +#define SSPHY_TESTO 0x4 +#define TESTO_DAT_MASK GENMASK(7, 0) + #define PHY_F(regno, msb, lsb) { (regno), (msb), (lsb) } #define CDR_CPD_TRIM PHY_F(7, 3, 0) /* RxPLL charge pump current */ @@ -84,12 +86,12 @@ static void uniphier_u3ssphy_set_param(struct uniphier_u3ssphy_priv *priv, val = FIELD_PREP(TESTI_DAT_MASK, 1); val |= FIELD_PREP(TESTI_ADR_MASK, p->field.reg_no); uniphier_u3ssphy_testio_write(priv, val); - val = readl(priv->base + SSPHY_TESTO); + val = readl(priv->base + SSPHY_TESTO) & TESTO_DAT_MASK; /* update value */ - val &= ~FIELD_PREP(TESTI_DAT_MASK, field_mask); + val &= ~field_mask; data = field_mask & (p->value << p->field.lsb); - val = FIELD_PREP(TESTI_DAT_MASK, data); + val = FIELD_PREP(TESTI_DAT_MASK, data | val); val |= FIELD_PREP(TESTI_ADR_MASK, p->field.reg_no); uniphier_u3ssphy_testio_write(priv, val); uniphier_u3ssphy_testio_write(priv, val | TESTI_WR_EN); diff --git a/drivers/pinctrl/bcm/pinctrl-bcm2835.c b/drivers/pinctrl/bcm/pinctrl-bcm2835.c index 0de1a3a96984cce09bcb0ce406a3a44a4eeebfe1..e4da3217e93989ee7c23261c357d8b0231141759 100644 --- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c +++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c @@ -19,6 +19,7 @@ #include #include #include +#include #include #include #include @@ -37,12 +38,10 @@ #define MODULE_NAME "pinctrl-bcm2835" #define BCM2835_NUM_GPIOS 54 +#define BCM2711_NUM_GPIOS 58 #define BCM2835_NUM_BANKS 2 #define BCM2835_NUM_IRQS 3 -#define BCM2835_PIN_BITMAP_SZ \ - DIV_ROUND_UP(BCM2835_NUM_GPIOS, sizeof(unsigned long) * 8) - /* GPIO register offsets */ #define GPFSEL0 0x0 /* Function Select */ #define GPSET0 0x1c /* Pin Output Set */ @@ -78,13 +77,15 @@ struct bcm2835_pinctrl { struct device *dev; void __iomem *base; + int *wake_irq; /* note: locking assumes each bank will have its own unsigned long */ unsigned long enabled_irq_map[BCM2835_NUM_BANKS]; - unsigned int irq_type[BCM2835_NUM_GPIOS]; + unsigned int irq_type[BCM2711_NUM_GPIOS]; struct pinctrl_dev *pctl_dev; struct gpio_chip gpio_chip; + struct pinctrl_desc pctl_desc; struct pinctrl_gpio_range gpio_range; raw_spinlock_t irq_lock[BCM2835_NUM_BANKS]; @@ -147,6 +148,10 @@ static struct pinctrl_pin_desc bcm2835_gpio_pins[] = { BCM2835_GPIO_PIN(51), BCM2835_GPIO_PIN(52), BCM2835_GPIO_PIN(53), + BCM2835_GPIO_PIN(54), + BCM2835_GPIO_PIN(55), + BCM2835_GPIO_PIN(56), + BCM2835_GPIO_PIN(57), }; /* one pin per group */ @@ -205,6 +210,10 @@ static const char * const bcm2835_gpio_groups[] = { "gpio51", "gpio52", "gpio53", + "gpio54", + "gpio55", + "gpio56", + "gpio57", }; enum bcm2835_fsel { @@ -355,6 +364,22 @@ static const struct gpio_chip bcm2835_gpio_chip = { .can_sleep = false, }; +static const struct gpio_chip bcm2711_gpio_chip = { + .label = "pinctrl-bcm2711", + .owner = THIS_MODULE, + .request = gpiochip_generic_request, + .free = gpiochip_generic_free, + .direction_input = bcm2835_gpio_direction_input, + .direction_output = bcm2835_gpio_direction_output, + .get_direction = bcm2835_gpio_get_direction, + .get = bcm2835_gpio_get, + .set = bcm2835_gpio_set, + .set_config = gpiochip_generic_config, + .base = -1, + .ngpio = BCM2711_NUM_GPIOS, + .can_sleep = false, +}; + static void bcm2835_gpio_irq_handle_bank(struct bcm2835_pinctrl *pc, unsigned int bank, u32 mask) { @@ -401,7 +426,7 @@ static void bcm2835_gpio_irq_handler(struct irq_desc *desc) bcm2835_gpio_irq_handle_bank(pc, 0, 0xf0000000); bcm2835_gpio_irq_handle_bank(pc, 1, 0x00003fff); break; - case 2: /* IRQ2 covers GPIOs 46-53 */ + case 2: /* IRQ2 covers GPIOs 46-57 */ bcm2835_gpio_irq_handle_bank(pc, 1, 0x003fc000); break; } @@ -409,6 +434,11 @@ static void bcm2835_gpio_irq_handler(struct irq_desc *desc) chained_irq_exit(host_chip, desc); } +static irqreturn_t bcm2835_gpio_wake_irq_handler(int irq, void *dev_id) +{ + return IRQ_HANDLED; +} + static inline void __bcm2835_gpio_irq_config(struct bcm2835_pinctrl *pc, unsigned reg, unsigned offset, bool enable) { @@ -608,6 +638,34 @@ static void bcm2835_gpio_irq_ack(struct irq_data *data) bcm2835_gpio_set_bit(pc, GPEDS0, gpio); } +static int bcm2835_gpio_irq_set_wake(struct irq_data *data, unsigned int on) +{ + struct gpio_chip *chip = irq_data_get_irq_chip_data(data); + struct bcm2835_pinctrl *pc = gpiochip_get_data(chip); + unsigned gpio = irqd_to_hwirq(data); + unsigned int irqgroup; + int ret = -EINVAL; + + if (!pc->wake_irq) + return ret; + + if (gpio <= 27) + irqgroup = 0; + else if (gpio >= 28 && gpio <= 45) + irqgroup = 1; + else if (gpio >= 46 && gpio <= 57) + irqgroup = 2; + else + return ret; + + if (on) + ret = enable_irq_wake(pc->wake_irq[irqgroup]); + else + ret = disable_irq_wake(pc->wake_irq[irqgroup]); + + return ret; +} + static struct irq_chip bcm2835_gpio_irq_chip = { .name = MODULE_NAME, .irq_enable = bcm2835_gpio_irq_enable, @@ -616,11 +674,13 @@ static struct irq_chip bcm2835_gpio_irq_chip = { .irq_ack = bcm2835_gpio_irq_ack, .irq_mask = bcm2835_gpio_irq_disable, .irq_unmask = bcm2835_gpio_irq_enable, + .irq_set_wake = bcm2835_gpio_irq_set_wake, + .flags = IRQCHIP_MASK_ON_SUSPEND, }; static int bcm2835_pctl_get_groups_count(struct pinctrl_dev *pctldev) { - return ARRAY_SIZE(bcm2835_gpio_groups); + return BCM2835_NUM_GPIOS; } static const char *bcm2835_pctl_get_group_name(struct pinctrl_dev *pctldev, @@ -778,7 +838,7 @@ static int bcm2835_pctl_dt_node_to_map(struct pinctrl_dev *pctldev, err = of_property_read_u32_index(np, "brcm,pins", i, &pin); if (err) goto out; - if (pin >= ARRAY_SIZE(bcm2835_gpio_pins)) { + if (pin >= pc->pctl_desc.npins) { dev_err(pc->dev, "%pOF: invalid brcm,pins value %d\n", np, pin); err = -EINVAL; @@ -854,7 +914,7 @@ static int bcm2835_pmx_get_function_groups(struct pinctrl_dev *pctldev, { /* every pin can do every function */ *groups = bcm2835_gpio_groups; - *num_groups = ARRAY_SIZE(bcm2835_gpio_groups); + *num_groups = BCM2835_NUM_GPIOS; return 0; } @@ -1054,29 +1114,66 @@ static const struct pinconf_ops bcm2711_pinconf_ops = { .pin_config_set = bcm2711_pinconf_set, }; -static struct pinctrl_desc bcm2835_pinctrl_desc = { +static const struct pinctrl_desc bcm2835_pinctrl_desc = { .name = MODULE_NAME, .pins = bcm2835_gpio_pins, - .npins = ARRAY_SIZE(bcm2835_gpio_pins), + .npins = BCM2835_NUM_GPIOS, .pctlops = &bcm2835_pctl_ops, .pmxops = &bcm2835_pmx_ops, .confops = &bcm2835_pinconf_ops, .owner = THIS_MODULE, }; -static struct pinctrl_gpio_range bcm2835_pinctrl_gpio_range = { +static const struct pinctrl_desc bcm2711_pinctrl_desc = { + .name = "pinctrl-bcm2711", + .pins = bcm2835_gpio_pins, + .npins = BCM2711_NUM_GPIOS, + .pctlops = &bcm2835_pctl_ops, + .pmxops = &bcm2835_pmx_ops, + .confops = &bcm2711_pinconf_ops, + .owner = THIS_MODULE, +}; + +static const struct pinctrl_gpio_range bcm2835_pinctrl_gpio_range = { .name = MODULE_NAME, .npins = BCM2835_NUM_GPIOS, }; +static const struct pinctrl_gpio_range bcm2711_pinctrl_gpio_range = { + .name = "pinctrl-bcm2711", + .npins = BCM2711_NUM_GPIOS, +}; + +struct bcm_plat_data { + const struct gpio_chip *gpio_chip; + const struct pinctrl_desc *pctl_desc; + const struct pinctrl_gpio_range *gpio_range; +}; + +static const struct bcm_plat_data bcm2835_plat_data = { + .gpio_chip = &bcm2835_gpio_chip, + .pctl_desc = &bcm2835_pinctrl_desc, + .gpio_range = &bcm2835_pinctrl_gpio_range, +}; + +static const struct bcm_plat_data bcm2711_plat_data = { + .gpio_chip = &bcm2711_gpio_chip, + .pctl_desc = &bcm2711_pinctrl_desc, + .gpio_range = &bcm2711_pinctrl_gpio_range, +}; + static const struct of_device_id bcm2835_pinctrl_match[] = { { .compatible = "brcm,bcm2835-gpio", - .data = &bcm2835_pinconf_ops, + .data = &bcm2835_plat_data, }, { .compatible = "brcm,bcm2711-gpio", - .data = &bcm2711_pinconf_ops, + .data = &bcm2711_plat_data, + }, + { + .compatible = "brcm,bcm7211-gpio", + .data = &bcm2711_plat_data, }, {} }; @@ -1085,14 +1182,16 @@ static int bcm2835_pinctrl_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct device_node *np = dev->of_node; + const struct bcm_plat_data *pdata; struct bcm2835_pinctrl *pc; struct gpio_irq_chip *girq; struct resource iomem; int err, i; const struct of_device_id *match; + int is_7211 = 0; - BUILD_BUG_ON(ARRAY_SIZE(bcm2835_gpio_pins) != BCM2835_NUM_GPIOS); - BUILD_BUG_ON(ARRAY_SIZE(bcm2835_gpio_groups) != BCM2835_NUM_GPIOS); + BUILD_BUG_ON(ARRAY_SIZE(bcm2835_gpio_pins) != BCM2711_NUM_GPIOS); + BUILD_BUG_ON(ARRAY_SIZE(bcm2835_gpio_groups) != BCM2711_NUM_GPIOS); pc = devm_kzalloc(dev, sizeof(*pc), GFP_KERNEL); if (!pc) @@ -1111,7 +1210,14 @@ static int bcm2835_pinctrl_probe(struct platform_device *pdev) if (IS_ERR(pc->base)) return PTR_ERR(pc->base); - pc->gpio_chip = bcm2835_gpio_chip; + match = of_match_node(bcm2835_pinctrl_match, pdev->dev.of_node); + if (!match) + return -EINVAL; + + pdata = match->data; + is_7211 = of_device_is_compatible(np, "brcm,bcm7211-gpio"); + + pc->gpio_chip = *pdata->gpio_chip; pc->gpio_chip.parent = dev; pc->gpio_chip.of_node = np; @@ -1135,6 +1241,18 @@ static int bcm2835_pinctrl_probe(struct platform_device *pdev) raw_spin_lock_init(&pc->irq_lock[i]); } + pc->pctl_desc = *pdata->pctl_desc; + pc->pctl_dev = devm_pinctrl_register(dev, &pc->pctl_desc, pc); + if (IS_ERR(pc->pctl_dev)) { + gpiochip_remove(&pc->gpio_chip); + return PTR_ERR(pc->pctl_dev); + } + + pc->gpio_range = *pdata->gpio_range; + pc->gpio_range.base = pc->gpio_chip.base; + pc->gpio_range.gc = &pc->gpio_chip; + pinctrl_add_gpio_range(pc->pctl_dev, &pc->gpio_range); + girq = &pc->gpio_chip.irq; girq->chip = &bcm2835_gpio_irq_chip; girq->parent_handler = bcm2835_gpio_irq_handler; @@ -1142,8 +1260,21 @@ static int bcm2835_pinctrl_probe(struct platform_device *pdev) girq->parents = devm_kcalloc(dev, BCM2835_NUM_IRQS, sizeof(*girq->parents), GFP_KERNEL); - if (!girq->parents) - return -ENOMEM; + if (!girq->parents) { + err = -ENOMEM; + goto out_remove; + } + + if (is_7211) { + pc->wake_irq = devm_kcalloc(dev, BCM2835_NUM_IRQS, + sizeof(*pc->wake_irq), + GFP_KERNEL); + if (!pc->wake_irq) { + err = -ENOMEM; + goto out_remove; + } + } + /* * Use the same handler for all groups: this is necessary * since we use one gpiochip to cover all lines - the @@ -1151,35 +1282,50 @@ static int bcm2835_pinctrl_probe(struct platform_device *pdev) * bank that was firing the IRQ and look up the per-group * and bank data. */ - for (i = 0; i < BCM2835_NUM_IRQS; i++) + for (i = 0; i < BCM2835_NUM_IRQS; i++) { + int len; + char *name; + girq->parents[i] = irq_of_parse_and_map(np, i); + if (!is_7211) + continue; + + /* Skip over the all banks interrupts */ + pc->wake_irq[i] = irq_of_parse_and_map(np, i + + BCM2835_NUM_IRQS + 1); + + len = strlen(dev_name(pc->dev)) + 16; + name = devm_kzalloc(pc->dev, len, GFP_KERNEL); + if (!name) { + err = -ENOMEM; + goto out_remove; + } + + snprintf(name, len, "%s:bank%d", dev_name(pc->dev), i); + + /* These are optional interrupts */ + err = devm_request_irq(dev, pc->wake_irq[i], + bcm2835_gpio_wake_irq_handler, + IRQF_SHARED, name, pc); + if (err) + dev_warn(dev, "unable to request wake IRQ %d\n", + pc->wake_irq[i]); + } + girq->default_type = IRQ_TYPE_NONE; girq->handler = handle_level_irq; err = gpiochip_add_data(&pc->gpio_chip, pc); if (err) { dev_err(dev, "could not add GPIO chip\n"); - return err; + goto out_remove; } - match = of_match_node(bcm2835_pinctrl_match, pdev->dev.of_node); - if (match) { - bcm2835_pinctrl_desc.confops = - (const struct pinconf_ops *)match->data; - } - - pc->pctl_dev = devm_pinctrl_register(dev, &bcm2835_pinctrl_desc, pc); - if (IS_ERR(pc->pctl_dev)) { - gpiochip_remove(&pc->gpio_chip); - return PTR_ERR(pc->pctl_dev); - } - - pc->gpio_range = bcm2835_pinctrl_gpio_range; - pc->gpio_range.base = pc->gpio_chip.base; - pc->gpio_range.gc = &pc->gpio_chip; - pinctrl_add_gpio_range(pc->pctl_dev, &pc->gpio_range); - return 0; + +out_remove: + pinctrl_remove_gpio_range(pc->pctl_dev, &pc->gpio_range); + return err; } static struct platform_driver bcm2835_pinctrl_driver = { diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c index 20e1c890e73b30cf512a25ec1547fe0fa0708882..c3e6f3c1b47433be7c4bf4cd1f9d26854c17f692 100644 --- a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c @@ -236,8 +236,12 @@ static int mtk_xt_get_gpio_n(void *data, unsigned long eint_n, desc = (const struct mtk_pin_desc *)hw->soc->pins; *gpio_chip = &hw->chip; - /* Be greedy to guess first gpio_n is equal to eint_n */ - if (desc[eint_n].eint.eint_n == eint_n) + /* + * Be greedy to guess first gpio_n is equal to eint_n. + * Only eint virtual eint number is greater than gpio number. + */ + if (hw->soc->npins > eint_n && + desc[eint_n].eint.eint_n == eint_n) *gpio_n = eint_n; else *gpio_n = mtk_xt_find_eint_num(hw, eint_n); diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c index 83e585c5a613286242205e8e903fa09a41594f06..f56add78d58ce56b00462c319d4b832db6848e02 100644 --- a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c +++ b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c @@ -166,10 +166,14 @@ static struct armada_37xx_pin_group armada_37xx_nb_groups[] = { PIN_GRP_GPIO("jtag", 20, 5, BIT(0), "jtag"), PIN_GRP_GPIO("sdio0", 8, 3, BIT(1), "sdio"), PIN_GRP_GPIO("emmc_nb", 27, 9, BIT(2), "emmc"), - PIN_GRP_GPIO("pwm0", 11, 1, BIT(3), "pwm"), - PIN_GRP_GPIO("pwm1", 12, 1, BIT(4), "pwm"), - PIN_GRP_GPIO("pwm2", 13, 1, BIT(5), "pwm"), - PIN_GRP_GPIO("pwm3", 14, 1, BIT(6), "pwm"), + PIN_GRP_GPIO_3("pwm0", 11, 1, BIT(3) | BIT(20), 0, BIT(20), BIT(3), + "pwm", "led"), + PIN_GRP_GPIO_3("pwm1", 12, 1, BIT(4) | BIT(21), 0, BIT(21), BIT(4), + "pwm", "led"), + PIN_GRP_GPIO_3("pwm2", 13, 1, BIT(5) | BIT(22), 0, BIT(22), BIT(5), + "pwm", "led"), + PIN_GRP_GPIO_3("pwm3", 14, 1, BIT(6) | BIT(23), 0, BIT(23), BIT(6), + "pwm", "led"), PIN_GRP_GPIO("pmic1", 7, 1, BIT(7), "pmic"), PIN_GRP_GPIO("pmic0", 6, 1, BIT(8), "pmic"), PIN_GRP_GPIO("i2c2", 2, 2, BIT(9), "i2c"), @@ -183,11 +187,6 @@ static struct armada_37xx_pin_group armada_37xx_nb_groups[] = { PIN_GRP_EXTRA("uart2", 9, 2, BIT(1) | BIT(13) | BIT(14) | BIT(19), BIT(1) | BIT(13) | BIT(14), BIT(1) | BIT(19), 18, 2, "gpio", "uart"), - PIN_GRP_GPIO_2("led0_od", 11, 1, BIT(20), BIT(20), 0, "led"), - PIN_GRP_GPIO_2("led1_od", 12, 1, BIT(21), BIT(21), 0, "led"), - PIN_GRP_GPIO_2("led2_od", 13, 1, BIT(22), BIT(22), 0, "led"), - PIN_GRP_GPIO_2("led3_od", 14, 1, BIT(23), BIT(23), 0, "led"), - }; static struct armada_37xx_pin_group armada_37xx_sb_groups[] = { diff --git a/drivers/pinctrl/stm32/pinctrl-stm32.c b/drivers/pinctrl/stm32/pinctrl-stm32.c index 138cbc012cd89c0fdd3629592ece9aa4188061ba..f9abd4364fbaab22336a717750b971da8b1729ee 100644 --- a/drivers/pinctrl/stm32/pinctrl-stm32.c +++ b/drivers/pinctrl/stm32/pinctrl-stm32.c @@ -1186,10 +1186,10 @@ static int stm32_gpiolib_register_bank(struct stm32_pinctrl *pctl, bank_nr = args.args[1] / STM32_GPIO_PINS_PER_BANK; bank->gpio_chip.base = args.args[1]; - npins = args.args[2]; - while (!of_parse_phandle_with_fixed_args(np, "gpio-ranges", 3, - ++i, &args)) - npins += args.args[2]; + /* get the last defined gpio line (offset + nb of pins) */ + npins = args.args[0] + args.args[2]; + while (!of_parse_phandle_with_fixed_args(np, "gpio-ranges", 3, ++i, &args)) + npins = max(npins, (int)(args.args[0] + args.args[2])); } else { bank_nr = pctl->nbanks; bank->gpio_chip.base = bank_nr * STM32_GPIO_PINS_PER_BANK; diff --git a/drivers/platform/x86/apple-gmux.c b/drivers/platform/x86/apple-gmux.c index 7e3083deb1c5dabe73dc98660a737107f94429f3..1b86005c0f5f4a64d43457a652bbe847e6b58e6b 100644 --- a/drivers/platform/x86/apple-gmux.c +++ b/drivers/platform/x86/apple-gmux.c @@ -625,7 +625,7 @@ static int gmux_probe(struct pnp_dev *pnp, const struct pnp_device_id *id) } gmux_data->iostart = res->start; - gmux_data->iolen = res->end - res->start; + gmux_data->iolen = resource_size(res); if (gmux_data->iolen < GMUX_MIN_IO_LEN) { pr_err("gmux I/O region too small (%lu < %u)\n", diff --git a/drivers/platform/x86/hp_accel.c b/drivers/platform/x86/hp_accel.c index 8c0867bda8280e3340f28f1ff821db03db0f3937..0dfaa1a43b6747643555b02fa9fdb88b5607d334 100644 --- a/drivers/platform/x86/hp_accel.c +++ b/drivers/platform/x86/hp_accel.c @@ -372,9 +372,11 @@ static int lis3lv02d_add(struct acpi_device *device) INIT_WORK(&hpled_led.work, delayed_set_status_worker); ret = led_classdev_register(NULL, &hpled_led.led_classdev); if (ret) { + i8042_remove_filter(hp_accel_i8042_filter); lis3lv02d_joystick_disable(&lis3_dev); lis3lv02d_poweroff(&lis3_dev); flush_work(&hpled_led.work); + lis3lv02d_remove_fs(&lis3_dev); return ret; } diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index 3028d9f1ac59c0bbf8bd9022a34ed6773a1207c9..5d114088c88fb27d432dadcaa22cbdb9fb55bfef 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -1188,15 +1188,6 @@ static int tpacpi_rfk_update_swstate(const struct tpacpi_rfk *tp_rfk) return status; } -/* Query FW and update rfkill sw state for all rfkill switches */ -static void tpacpi_rfk_update_swstate_all(void) -{ - unsigned int i; - - for (i = 0; i < TPACPI_RFK_SW_MAX; i++) - tpacpi_rfk_update_swstate(tpacpi_rfkill_switches[i]); -} - /* * Sync the HW-blocking state of all rfkill switches, * do notice it causes the rfkill core to schedule uevents @@ -3135,9 +3126,6 @@ static void tpacpi_send_radiosw_update(void) if (wlsw == TPACPI_RFK_RADIO_OFF) tpacpi_rfk_update_hwblock_state(true); - /* Sync sw blocking state */ - tpacpi_rfk_update_swstate_all(); - /* Sync hw blocking state last if it is hw-unblocked */ if (wlsw == TPACPI_RFK_RADIO_ON) tpacpi_rfk_update_hwblock_state(false); diff --git a/drivers/power/reset/ltc2952-poweroff.c b/drivers/power/reset/ltc2952-poweroff.c index e4a0cc45b3d11a51813012da750b2f07ce79de08..ec613bcc0a30229ddc6a8c3b4146acb45f8454dc 100644 --- a/drivers/power/reset/ltc2952-poweroff.c +++ b/drivers/power/reset/ltc2952-poweroff.c @@ -160,8 +160,8 @@ static void ltc2952_poweroff_kill(void) static void ltc2952_poweroff_default(struct ltc2952_poweroff *data) { - data->wde_interval = 300L * 1E6L; - data->trigger_delay = ktime_set(2, 500L*1E6L); + data->wde_interval = 300L * NSEC_PER_MSEC; + data->trigger_delay = ktime_set(2, 500L * NSEC_PER_MSEC); hrtimer_init(&data->timer_trigger, CLOCK_MONOTONIC, HRTIMER_MODE_REL); data->timer_trigger.function = ltc2952_poweroff_timer_trigger; diff --git a/drivers/power/supply/bq25890_charger.c b/drivers/power/supply/bq25890_charger.c index 9d1ec8d677de61c5cde951b28be1f38dcf4a2455..5afe55119fe65e06b646425471b5e7af1f23a518 100644 --- a/drivers/power/supply/bq25890_charger.c +++ b/drivers/power/supply/bq25890_charger.c @@ -531,12 +531,12 @@ static void bq25890_handle_state_change(struct bq25890_device *bq, if (!new_state->online) { /* power removed */ /* disable ADC */ - ret = bq25890_field_write(bq, F_CONV_START, 0); + ret = bq25890_field_write(bq, F_CONV_RATE, 0); if (ret < 0) goto error; } else if (!old_state.online) { /* power inserted */ /* enable ADC, to have control of charge current/voltage */ - ret = bq25890_field_write(bq, F_CONV_START, 1); + ret = bq25890_field_write(bq, F_CONV_RATE, 1); if (ret < 0) goto error; } diff --git a/drivers/power/supply/power_supply_core.c b/drivers/power/supply/power_supply_core.c index 1a9a9fae73d3264cc3b70306c21a1090e81ca1db..802d7b23b0023aec9704884e5647e2df9c5068c5 100644 --- a/drivers/power/supply/power_supply_core.c +++ b/drivers/power/supply/power_supply_core.c @@ -807,6 +807,10 @@ power_supply_find_ocv2cap_table(struct power_supply_battery_info *info, return NULL; for (i = 0; i < POWER_SUPPLY_OCV_TEMP_MAX; i++) { + /* Out of capacity tables */ + if (!info->ocv_table[i]) + break; + temp_diff = abs(info->ocv_temp[i] - temp); if (temp_diff < best_temp_diff) { diff --git a/drivers/regulator/qcom_smd-regulator.c b/drivers/regulator/qcom_smd-regulator.c index 3b0828c79e2b5fcb99c9a5e8257bdcd2d4f5b6bc..e6601c28ab431de42211b91898195e3a61c0af1e 100644 --- a/drivers/regulator/qcom_smd-regulator.c +++ b/drivers/regulator/qcom_smd-regulator.c @@ -9,6 +9,7 @@ #include #include #include +#include #include struct qcom_rpm_reg { @@ -776,52 +777,91 @@ static const struct of_device_id rpm_of_match[] = { }; MODULE_DEVICE_TABLE(of, rpm_of_match); -static int rpm_reg_probe(struct platform_device *pdev) +/** + * rpm_regulator_init_vreg() - initialize all attributes of a qcom_smd-regulator + * @vreg: Pointer to the individual qcom_smd-regulator resource + * @dev: Pointer to the top level qcom_smd-regulator PMIC device + * @node: Pointer to the individual qcom_smd-regulator resource + * device node + * @rpm: Pointer to the rpm bus node + * @pmic_rpm_data: Pointer to a null-terminated array of qcom_smd-regulator + * resources defined for the top level PMIC device + * + * Return: 0 on success, errno on failure + */ +static int rpm_regulator_init_vreg(struct qcom_rpm_reg *vreg, struct device *dev, + struct device_node *node, struct qcom_smd_rpm *rpm, + const struct rpm_regulator_data *pmic_rpm_data) { - const struct rpm_regulator_data *reg; - const struct of_device_id *match; - struct regulator_config config = { }; + struct regulator_config config = {}; + const struct rpm_regulator_data *rpm_data; struct regulator_dev *rdev; + int ret; + + for (rpm_data = pmic_rpm_data; rpm_data->name; rpm_data++) + if (of_node_name_eq(node, rpm_data->name)) + break; + + if (!rpm_data->name) { + dev_err(dev, "Unknown regulator %pOFn\n", node); + return -EINVAL; + } + + vreg->dev = dev; + vreg->rpm = rpm; + vreg->type = rpm_data->type; + vreg->id = rpm_data->id; + + memcpy(&vreg->desc, rpm_data->desc, sizeof(vreg->desc)); + vreg->desc.name = rpm_data->name; + vreg->desc.supply_name = rpm_data->supply; + vreg->desc.owner = THIS_MODULE; + vreg->desc.type = REGULATOR_VOLTAGE; + vreg->desc.of_match = rpm_data->name; + + config.dev = dev; + config.of_node = node; + config.driver_data = vreg; + + rdev = devm_regulator_register(dev, &vreg->desc, &config); + if (IS_ERR(rdev)) { + ret = PTR_ERR(rdev); + dev_err(dev, "%pOFn: devm_regulator_register() failed, ret=%d\n", node, ret); + return ret; + } + + return 0; +} + +static int rpm_reg_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + const struct rpm_regulator_data *vreg_data; + struct device_node *node; struct qcom_rpm_reg *vreg; struct qcom_smd_rpm *rpm; + int ret; rpm = dev_get_drvdata(pdev->dev.parent); if (!rpm) { - dev_err(&pdev->dev, "unable to retrieve handle to rpm\n"); + dev_err(&pdev->dev, "Unable to retrieve handle to rpm\n"); return -ENODEV; } - match = of_match_device(rpm_of_match, &pdev->dev); - if (!match) { - dev_err(&pdev->dev, "failed to match device\n"); + vreg_data = of_device_get_match_data(dev); + if (!vreg_data) return -ENODEV; - } - for (reg = match->data; reg->name; reg++) { + for_each_available_child_of_node(dev->of_node, node) { vreg = devm_kzalloc(&pdev->dev, sizeof(*vreg), GFP_KERNEL); if (!vreg) return -ENOMEM; - vreg->dev = &pdev->dev; - vreg->type = reg->type; - vreg->id = reg->id; - vreg->rpm = rpm; - - memcpy(&vreg->desc, reg->desc, sizeof(vreg->desc)); - - vreg->desc.id = -1; - vreg->desc.owner = THIS_MODULE; - vreg->desc.type = REGULATOR_VOLTAGE; - vreg->desc.name = reg->name; - vreg->desc.supply_name = reg->supply; - vreg->desc.of_match = reg->name; - - config.dev = &pdev->dev; - config.driver_data = vreg; - rdev = devm_regulator_register(&pdev->dev, &vreg->desc, &config); - if (IS_ERR(rdev)) { - dev_err(&pdev->dev, "failed to register %s\n", reg->name); - return PTR_ERR(rdev); + ret = rpm_regulator_init_vreg(vreg, dev, node, rpm, vreg_data); + + if (ret < 0) { + of_node_put(node); + return ret; } } diff --git a/drivers/rpmsg/rpmsg_char.c b/drivers/rpmsg/rpmsg_char.c index c655074c07c2ec063410c20f3b32c131af84c0a7..ac50ed757765199913ba14717f5a9d762e3c8bc8 100644 --- a/drivers/rpmsg/rpmsg_char.c +++ b/drivers/rpmsg/rpmsg_char.c @@ -92,7 +92,7 @@ static int rpmsg_eptdev_destroy(struct device *dev, void *data) /* wake up any blocked readers */ wake_up_interruptible(&eptdev->readq); - device_del(&eptdev->dev); + cdev_device_del(&eptdev->cdev, &eptdev->dev); put_device(&eptdev->dev); return 0; @@ -336,7 +336,6 @@ static void rpmsg_eptdev_release_device(struct device *dev) ida_simple_remove(&rpmsg_ept_ida, dev->id); ida_simple_remove(&rpmsg_minor_ida, MINOR(eptdev->dev.devt)); - cdev_del(&eptdev->cdev); kfree(eptdev); } @@ -381,19 +380,13 @@ static int rpmsg_eptdev_create(struct rpmsg_ctrldev *ctrldev, dev->id = ret; dev_set_name(dev, "rpmsg%d", ret); - ret = cdev_add(&eptdev->cdev, dev->devt, 1); + ret = cdev_device_add(&eptdev->cdev, &eptdev->dev); if (ret) goto free_ept_ida; /* We can now rely on the release function for cleanup */ dev->release = rpmsg_eptdev_release_device; - ret = device_add(dev); - if (ret) { - dev_err(dev, "device_add failed: %d\n", ret); - put_device(dev); - } - return ret; free_ept_ida: @@ -462,7 +455,6 @@ static void rpmsg_ctrldev_release_device(struct device *dev) ida_simple_remove(&rpmsg_ctrl_ida, dev->id); ida_simple_remove(&rpmsg_minor_ida, MINOR(dev->devt)); - cdev_del(&ctrldev->cdev); kfree(ctrldev); } @@ -497,19 +489,13 @@ static int rpmsg_chrdev_probe(struct rpmsg_device *rpdev) dev->id = ret; dev_set_name(&ctrldev->dev, "rpmsg_ctrl%d", ret); - ret = cdev_add(&ctrldev->cdev, dev->devt, 1); + ret = cdev_device_add(&ctrldev->cdev, &ctrldev->dev); if (ret) goto free_ctrl_ida; /* We can now rely on the release function for cleanup */ dev->release = rpmsg_ctrldev_release_device; - ret = device_add(dev); - if (ret) { - dev_err(&rpdev->dev, "device_add failed: %d\n", ret); - put_device(dev); - } - dev_set_drvdata(&rpdev->dev, ctrldev); return ret; @@ -535,7 +521,7 @@ static void rpmsg_chrdev_remove(struct rpmsg_device *rpdev) if (ret) dev_warn(&rpdev->dev, "failed to nuke endpoints: %d\n", ret); - device_del(&ctrldev->dev); + cdev_device_del(&ctrldev->cdev, &ctrldev->dev); put_device(&ctrldev->dev); } diff --git a/drivers/rpmsg/rpmsg_core.c b/drivers/rpmsg/rpmsg_core.c index a3c25bbf71cd19feebd935ff1700b1aafe0128cf..a478d2e353f45b1a956d55509969e8cb56328d21 100644 --- a/drivers/rpmsg/rpmsg_core.c +++ b/drivers/rpmsg/rpmsg_core.c @@ -513,13 +513,25 @@ static int rpmsg_dev_probe(struct device *dev) err = rpdrv->probe(rpdev); if (err) { dev_err(dev, "%s: failed: %d\n", __func__, err); - if (ept) - rpmsg_destroy_ept(ept); - goto out; + goto destroy_ept; } - if (ept && rpdev->ops->announce_create) + if (ept && rpdev->ops->announce_create) { err = rpdev->ops->announce_create(rpdev); + if (err) { + dev_err(dev, "failed to announce creation\n"); + goto remove_rpdev; + } + } + + return 0; + +remove_rpdev: + if (rpdrv->remove) + rpdrv->remove(rpdev); +destroy_ept: + if (ept) + rpmsg_destroy_ept(ept); out: return err; } diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c index cb28bbdc9e17f48c2c4a38fbdbea4815128f8d30..c0dc03ffa8173b051bdbbee5b391e4c8b90b90f3 100644 --- a/drivers/rtc/rtc-cmos.c +++ b/drivers/rtc/rtc-cmos.c @@ -463,7 +463,10 @@ static int cmos_set_alarm(struct device *dev, struct rtc_wkalrm *t) min = t->time.tm_min; sec = t->time.tm_sec; + spin_lock_irq(&rtc_lock); rtc_control = CMOS_READ(RTC_CONTROL); + spin_unlock_irq(&rtc_lock); + if (!(rtc_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD) { /* Writing 0xff means "don't care" or "match all". */ mon = (mon <= 12) ? bin2bcd(mon) : 0xff; diff --git a/drivers/rtc/rtc-mc146818-lib.c b/drivers/rtc/rtc-mc146818-lib.c index 2ecd8752b088b6cfe1bdb97fd57511d72778c562..5add637c9ad23ea969379bfb14b71cd6c22c77a4 100644 --- a/drivers/rtc/rtc-mc146818-lib.c +++ b/drivers/rtc/rtc-mc146818-lib.c @@ -83,7 +83,7 @@ unsigned int mc146818_get_time(struct rtc_time *time) time->tm_year += real_year - 72; #endif - if (century > 20) + if (century > 19) time->tm_year += (century - 19) * 100; /* diff --git a/drivers/rtc/rtc-pxa.c b/drivers/rtc/rtc-pxa.c index d2f1d8f754bf3a3797b404ef0dc6cc9fca5d26c9..cf8119b6d32044b343d63e71f669190cc38ecfa1 100644 --- a/drivers/rtc/rtc-pxa.c +++ b/drivers/rtc/rtc-pxa.c @@ -330,6 +330,10 @@ static int __init pxa_rtc_probe(struct platform_device *pdev) if (sa1100_rtc->irq_alarm < 0) return -ENXIO; + sa1100_rtc->rtc = devm_rtc_allocate_device(&pdev->dev); + if (IS_ERR(sa1100_rtc->rtc)) + return PTR_ERR(sa1100_rtc->rtc); + pxa_rtc->base = devm_ioremap(dev, pxa_rtc->ress->start, resource_size(pxa_rtc->ress)); if (!pxa_rtc->base) { diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c index b018b61bd168edc580d24326f6c5d214dea4fa37..d4c2c44b863ddad01579b1ca7a467761d2b2e0ef 100644 --- a/drivers/s390/scsi/zfcp_fc.c +++ b/drivers/s390/scsi/zfcp_fc.c @@ -521,6 +521,8 @@ static void zfcp_fc_adisc_handler(void *data) goto out; } + /* re-init to undo drop from zfcp_fc_adisc() */ + port->d_id = ntoh24(adisc_resp->adisc_port_id); /* port is good, unblock rport without going through erp */ zfcp_scsi_schedule_rport_register(port); out: @@ -534,6 +536,7 @@ static int zfcp_fc_adisc(struct zfcp_port *port) struct zfcp_fc_req *fc_req; struct zfcp_adapter *adapter = port->adapter; struct Scsi_Host *shost = adapter->scsi_host; + u32 d_id; int ret; fc_req = kmem_cache_zalloc(zfcp_fc_req_cache, GFP_ATOMIC); @@ -558,7 +561,15 @@ static int zfcp_fc_adisc(struct zfcp_port *port) fc_req->u.adisc.req.adisc_cmd = ELS_ADISC; hton24(fc_req->u.adisc.req.adisc_port_id, fc_host_port_id(shost)); - ret = zfcp_fsf_send_els(adapter, port->d_id, &fc_req->ct_els, + d_id = port->d_id; /* remember as destination for send els below */ + /* + * Force fresh GID_PN lookup on next port recovery. + * Must happen after request setup and before sending request, + * to prevent race with port->d_id re-init in zfcp_fc_adisc_handler(). + */ + port->d_id = 0; + + ret = zfcp_fsf_send_els(adapter, d_id, &fc_req->ct_els, ZFCP_FC_CTELS_TMO); if (ret) kmem_cache_free(zfcp_fc_req_cache, fc_req); diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c index a242a62caaa16eb84439c5a31c82be99ca73d95d..7b3e52ff5f51686e03bd26f1c7db03ae79e1f02f 100644 --- a/drivers/scsi/advansys.c +++ b/drivers/scsi/advansys.c @@ -3366,8 +3366,8 @@ static void asc_prt_adv_board_info(struct seq_file *m, struct Scsi_Host *shost) shost->host_no); seq_printf(m, - " iop_base 0x%lx, cable_detect: %X, err_code %u\n", - (unsigned long)v->iop_base, + " iop_base 0x%p, cable_detect: %X, err_code %u\n", + v->iop_base, AdvReadWordRegister(iop_base,IOPW_SCSI_CFG1) & CABLE_DETECT, v->err_code); diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c index b4bfab5edf8ff7bba359fb3c0bdaf61d9c18232f..9ed109fb6b67bba7567b95a88f247ebca33ddaf5 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c +++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c @@ -80,7 +80,7 @@ static int bnx2fc_bind_pcidev(struct bnx2fc_hba *hba); static void bnx2fc_unbind_pcidev(struct bnx2fc_hba *hba); static struct fc_lport *bnx2fc_if_create(struct bnx2fc_interface *interface, struct device *parent, int npiv); -static void bnx2fc_destroy_work(struct work_struct *work); +static void bnx2fc_port_destroy(struct fcoe_port *port); static struct bnx2fc_hba *bnx2fc_hba_lookup(struct net_device *phys_dev); static struct bnx2fc_interface *bnx2fc_interface_lookup(struct net_device @@ -506,7 +506,8 @@ static int bnx2fc_l2_rcv_thread(void *arg) static void bnx2fc_recv_frame(struct sk_buff *skb) { - u32 fr_len; + u64 crc_err; + u32 fr_len, fr_crc; struct fc_lport *lport; struct fcoe_rcv_info *fr; struct fc_stats *stats; @@ -540,6 +541,11 @@ static void bnx2fc_recv_frame(struct sk_buff *skb) skb_pull(skb, sizeof(struct fcoe_hdr)); fr_len = skb->len - sizeof(struct fcoe_crc_eof); + stats = per_cpu_ptr(lport->stats, get_cpu()); + stats->RxFrames++; + stats->RxWords += fr_len / FCOE_WORD_TO_BYTE; + put_cpu(); + fp = (struct fc_frame *)skb; fc_frame_init(fp); fr_dev(fp) = lport; @@ -622,16 +628,15 @@ static void bnx2fc_recv_frame(struct sk_buff *skb) return; } - stats = per_cpu_ptr(lport->stats, smp_processor_id()); - stats->RxFrames++; - stats->RxWords += fr_len / FCOE_WORD_TO_BYTE; + fr_crc = le32_to_cpu(fr_crc(fp)); - if (le32_to_cpu(fr_crc(fp)) != - ~crc32(~0, skb->data, fr_len)) { - if (stats->InvalidCRCCount < 5) + if (unlikely(fr_crc != ~crc32(~0, skb->data, fr_len))) { + stats = per_cpu_ptr(lport->stats, get_cpu()); + crc_err = (stats->InvalidCRCCount++); + put_cpu(); + if (crc_err < 5) printk(KERN_WARNING PFX "dropping frame with " "CRC error\n"); - stats->InvalidCRCCount++; kfree_skb(skb); return; } @@ -902,9 +907,6 @@ static void bnx2fc_indicate_netevent(void *context, unsigned long event, __bnx2fc_destroy(interface); } mutex_unlock(&bnx2fc_dev_lock); - - /* Ensure ALL destroy work has been completed before return */ - flush_workqueue(bnx2fc_wq); return; default: @@ -1211,8 +1213,8 @@ static int bnx2fc_vport_destroy(struct fc_vport *vport) mutex_unlock(&n_port->lp_mutex); bnx2fc_free_vport(interface->hba, port->lport); bnx2fc_port_shutdown(port->lport); + bnx2fc_port_destroy(port); bnx2fc_interface_put(interface); - queue_work(bnx2fc_wq, &port->destroy_work); return 0; } @@ -1521,7 +1523,6 @@ static struct fc_lport *bnx2fc_if_create(struct bnx2fc_interface *interface, port->lport = lport; port->priv = interface; port->get_netdev = bnx2fc_netdev; - INIT_WORK(&port->destroy_work, bnx2fc_destroy_work); /* Configure fcoe_port */ rc = bnx2fc_lport_config(lport); @@ -1649,8 +1650,8 @@ static void __bnx2fc_destroy(struct bnx2fc_interface *interface) bnx2fc_interface_cleanup(interface); bnx2fc_stop(interface); list_del(&interface->list); + bnx2fc_port_destroy(port); bnx2fc_interface_put(interface); - queue_work(bnx2fc_wq, &port->destroy_work); } /** @@ -1691,15 +1692,12 @@ static int bnx2fc_destroy(struct net_device *netdev) return rc; } -static void bnx2fc_destroy_work(struct work_struct *work) +static void bnx2fc_port_destroy(struct fcoe_port *port) { - struct fcoe_port *port; struct fc_lport *lport; - port = container_of(work, struct fcoe_port, destroy_work); lport = port->lport; - - BNX2FC_HBA_DBG(lport, "Entered bnx2fc_destroy_work\n"); + BNX2FC_HBA_DBG(lport, "Entered %s, destroying lport %p\n", __func__, lport); bnx2fc_if_destroy(lport); } @@ -2553,9 +2551,6 @@ static void bnx2fc_ulp_exit(struct cnic_dev *dev) __bnx2fc_destroy(interface); mutex_unlock(&bnx2fc_dev_lock); - /* Ensure ALL destroy work has been completed before return */ - flush_workqueue(bnx2fc_wq); - bnx2fc_ulp_stop(hba); /* unregister cnic device */ if (test_and_clear_bit(BNX2FC_CNIC_REGISTERED, &hba->reg_with_cnic)) diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index eeba6180711cd35b7080fe379bf7dbf9c4eba8df..f3cee64c6d12f9ff90473168361a701764d089e4 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -2948,6 +2948,8 @@ void iscsi_conn_teardown(struct iscsi_cls_conn *cls_conn) { struct iscsi_conn *conn = cls_conn->dd_data; struct iscsi_session *session = conn->session; + char *tmp_persistent_address = conn->persistent_address; + char *tmp_local_ipaddr = conn->local_ipaddr; del_timer_sync(&conn->transport_timer); @@ -2969,8 +2971,6 @@ void iscsi_conn_teardown(struct iscsi_cls_conn *cls_conn) spin_lock_bh(&session->frwd_lock); free_pages((unsigned long) conn->data, get_order(ISCSI_DEF_MAX_RECV_SEG_LEN)); - kfree(conn->persistent_address); - kfree(conn->local_ipaddr); /* regular RX path uses back_lock */ spin_lock_bh(&session->back_lock); kfifo_in(&session->cmdpool.queue, (void*)&conn->login_task, @@ -2982,6 +2982,8 @@ void iscsi_conn_teardown(struct iscsi_cls_conn *cls_conn) mutex_unlock(&session->eh_mutex); iscsi_destroy_conn(cls_conn); + kfree(tmp_persistent_address); + kfree(tmp_local_ipaddr); } EXPORT_SYMBOL_GPL(iscsi_conn_teardown); diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index 8943d42fc406e6f005f3ab01203613b14bb85a12..1bf7a4152b34b09f54d4e7fbb556e38367e68758 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -735,7 +735,6 @@ struct lpfc_hba { #define HBA_DEVLOSS_TMO 0x2000 /* HBA in devloss timeout */ #define HBA_RRQ_ACTIVE 0x4000 /* process the rrq active list */ #define HBA_IOQ_FLUSH 0x8000 /* FCP/NVME I/O queues being flushed */ -#define HBA_FW_DUMP_OP 0x10000 /* Skips fn reset before FW dump */ #define HBA_RECOVERABLE_UE 0x20000 /* Firmware supports recoverable UE */ #define HBA_FORCED_LINK_SPEED 0x40000 /* * Firmware supports Forced Link Speed @@ -744,6 +743,7 @@ struct lpfc_hba { #define HBA_FLOGI_ISSUED 0x100000 /* FLOGI was issued */ #define HBA_DEFER_FLOGI 0x800000 /* Defer FLOGI till read_sparm cmpl */ + struct completion *fw_dump_cmpl; /* cmpl event tracker for fw_dump */ uint32_t fcp_ring_in_use; /* When polling test if intr-hndlr active*/ struct lpfc_dmabuf slim2p; @@ -870,6 +870,16 @@ struct lpfc_hba { uint32_t cfg_hostmem_hgp; uint32_t cfg_log_verbose; uint32_t cfg_enable_fc4_type; +#define LPFC_ENABLE_FCP 1 +#define LPFC_ENABLE_NVME 2 +#define LPFC_ENABLE_BOTH 3 +#if (IS_ENABLED(CONFIG_NVME_FC)) +#define LPFC_MAX_ENBL_FC4_TYPE LPFC_ENABLE_BOTH +#define LPFC_DEF_ENBL_FC4_TYPE LPFC_ENABLE_BOTH +#else +#define LPFC_MAX_ENBL_FC4_TYPE LPFC_ENABLE_FCP +#define LPFC_DEF_ENBL_FC4_TYPE LPFC_ENABLE_FCP +#endif uint32_t cfg_aer_support; uint32_t cfg_sriov_nr_virtfn; uint32_t cfg_request_firmware_upgrade; @@ -892,9 +902,6 @@ struct lpfc_hba { uint32_t cfg_ras_fwlog_func; uint32_t cfg_enable_bbcr; /* Enable BB Credit Recovery */ uint32_t cfg_enable_dpp; /* Enable Direct Packet Push */ -#define LPFC_ENABLE_FCP 1 -#define LPFC_ENABLE_NVME 2 -#define LPFC_ENABLE_BOTH 3 uint32_t cfg_enable_pbde; struct nvmet_fc_target_port *targetport; lpfc_vpd_t vpd; /* vital product data */ diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index f0ecfe565660ab619f212476f77e87b25a678c29..d034fe78bf93ebc0e4cad0bcc4173b9a5ffd7fb7 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -1537,25 +1537,25 @@ lpfc_sli4_pdev_reg_request(struct lpfc_hba *phba, uint32_t opcode) before_fc_flag = phba->pport->fc_flag; sriov_nr_virtfn = phba->cfg_sriov_nr_virtfn; - /* Disable SR-IOV virtual functions if enabled */ - if (phba->cfg_sriov_nr_virtfn) { - pci_disable_sriov(pdev); - phba->cfg_sriov_nr_virtfn = 0; - } + if (opcode == LPFC_FW_DUMP) { + init_completion(&online_compl); + phba->fw_dump_cmpl = &online_compl; + } else { + /* Disable SR-IOV virtual functions if enabled */ + if (phba->cfg_sriov_nr_virtfn) { + pci_disable_sriov(pdev); + phba->cfg_sriov_nr_virtfn = 0; + } - if (opcode == LPFC_FW_DUMP) - phba->hba_flag |= HBA_FW_DUMP_OP; + status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); - status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); + if (status != 0) + return status; - if (status != 0) { - phba->hba_flag &= ~HBA_FW_DUMP_OP; - return status; + /* wait for the device to be quiesced before firmware reset */ + msleep(100); } - /* wait for the device to be quiesced before firmware reset */ - msleep(100); - reg_val = readl(phba->sli4_hba.conf_regs_memmap_p + LPFC_CTL_PDEV_CTL_OFFSET); @@ -1584,24 +1584,42 @@ lpfc_sli4_pdev_reg_request(struct lpfc_hba *phba, uint32_t opcode) lpfc_printf_log(phba, KERN_ERR, LOG_SLI, "3153 Fail to perform the requested " "access: x%x\n", reg_val); + if (phba->fw_dump_cmpl) + phba->fw_dump_cmpl = NULL; return rc; } /* keep the original port state */ - if (before_fc_flag & FC_OFFLINE_MODE) - goto out; - - init_completion(&online_compl); - job_posted = lpfc_workq_post_event(phba, &status, &online_compl, - LPFC_EVT_ONLINE); - if (!job_posted) + if (before_fc_flag & FC_OFFLINE_MODE) { + if (phba->fw_dump_cmpl) + phba->fw_dump_cmpl = NULL; goto out; + } - wait_for_completion(&online_compl); + /* Firmware dump will trigger an HA_ERATT event, and + * lpfc_handle_eratt_s4 routine already handles bringing the port back + * online. + */ + if (opcode == LPFC_FW_DUMP) { + wait_for_completion(phba->fw_dump_cmpl); + } else { + init_completion(&online_compl); + job_posted = lpfc_workq_post_event(phba, &status, &online_compl, + LPFC_EVT_ONLINE); + if (!job_posted) + goto out; + wait_for_completion(&online_compl); + } out: /* in any case, restore the virtual functions enabled as before */ if (sriov_nr_virtfn) { + /* If fw_dump was performed, first disable to clean up */ + if (opcode == LPFC_FW_DUMP) { + pci_disable_sriov(pdev); + phba->cfg_sriov_nr_virtfn = 0; + } + sriov_err = lpfc_sli_probe_sriov_nr_virtfn(phba, sriov_nr_virtfn); if (!sriov_err) @@ -3821,8 +3839,8 @@ LPFC_ATTR_R(nvmet_mrq_post, * 3 - register both FCP and NVME * Supported values are [1,3]. Default value is 3 */ -LPFC_ATTR_R(enable_fc4_type, LPFC_ENABLE_BOTH, - LPFC_ENABLE_FCP, LPFC_ENABLE_BOTH, +LPFC_ATTR_R(enable_fc4_type, LPFC_DEF_ENBL_FC4_TYPE, + LPFC_ENABLE_FCP, LPFC_MAX_ENBL_FC4_TYPE, "Enable FC4 Protocol support - FCP / NVME"); /* diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c index 3c9248d2435e14dc91e986739bc98cb6a6215c59..e15bb3dfe9956c8f1a6b02fb77da2d4e0d3ccc85 100644 --- a/drivers/scsi/lpfc/lpfc_debugfs.c +++ b/drivers/scsi/lpfc/lpfc_debugfs.c @@ -2757,8 +2757,8 @@ lpfc_debugfs_nvmeio_trc_write(struct file *file, const char __user *buf, char mybuf[64]; char *pbuf; - if (nbytes > 64) - nbytes = 64; + if (nbytes > 63) + nbytes = 63; memset(mybuf, 0, sizeof(mybuf)); diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index 0dc1d56ff4709c0fc5abddc7befef03db399205b..0abce779fbb1307a1ffca8f8f79cb2d3be0a8530 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -628,10 +628,16 @@ lpfc_work_done(struct lpfc_hba *phba) if (phba->pci_dev_grp == LPFC_PCI_DEV_OC) lpfc_sli4_post_async_mbox(phba); - if (ha_copy & HA_ERATT) + if (ha_copy & HA_ERATT) { /* Handle the error attention event */ lpfc_handle_eratt(phba); + if (phba->fw_dump_cmpl) { + complete(phba->fw_dump_cmpl); + phba->fw_dump_cmpl = NULL; + } + } + if (ha_copy & HA_MBATT) lpfc_sli_handle_mb_event(phba); diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 4a7ceaa34341cb02aba62fcaa389bf4224813345..bd908dd27307866263b87c36367e8ca338071edb 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -4498,12 +4498,6 @@ lpfc_sli4_brdreset(struct lpfc_hba *phba) phba->fcf.fcf_flag = 0; spin_unlock_irq(&phba->hbalock); - /* SLI4 INTF 2: if FW dump is being taken skip INIT_PORT */ - if (phba->hba_flag & HBA_FW_DUMP_OP) { - phba->hba_flag &= ~HBA_FW_DUMP_OP; - return rc; - } - /* Now physically reset the device */ lpfc_printf_log(phba, KERN_INFO, LOG_INIT, "0389 Performing PCI function reset!\n"); @@ -19692,6 +19686,7 @@ lpfc_drain_txq(struct lpfc_hba *phba) fail_msg, piocbq->iotag, piocbq->sli4_xritag); list_add_tail(&piocbq->list, &completions); + fail_msg = NULL; } spin_unlock_irqrestore(&pring->ring_lock, iflags); } diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c index 3654cfc4376fac9583321704b6ba6f0c68b4cbbc..97c1f242ef0a3f504b63cb90168e34d6eb2668e4 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c +++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c @@ -3387,7 +3387,7 @@ _scsih_ublock_io_device(struct MPT3SAS_ADAPTER *ioc, u64 sas_address) shost_for_each_device(sdev, ioc->shost) { sas_device_priv_data = sdev->hostdata; - if (!sas_device_priv_data) + if (!sas_device_priv_data || !sas_device_priv_data->sas_target) continue; if (sas_device_priv_data->sas_target->sas_address != sas_address) diff --git a/drivers/scsi/myrs.c b/drivers/scsi/myrs.c index cfc3f8b4174ab1b19b4fa8b92de6e7861a522bcd..2d3d14aa46b4bf761e40c9eb34e9911933895365 100644 --- a/drivers/scsi/myrs.c +++ b/drivers/scsi/myrs.c @@ -2272,7 +2272,8 @@ static void myrs_cleanup(struct myrs_hba *cs) myrs_unmap(cs); if (cs->mmio_base) { - cs->disable_intr(cs); + if (cs->disable_intr) + cs->disable_intr(cs); iounmap(cs->mmio_base); cs->mmio_base = NULL; } diff --git a/drivers/scsi/qedf/qedf_io.c b/drivers/scsi/qedf/qedf_io.c index 4e8a284e606c081a8ab0e37d5c1299379691800e..d02d1ef0d01160014402f2cd45f652490160f9b2 100644 --- a/drivers/scsi/qedf/qedf_io.c +++ b/drivers/scsi/qedf/qedf_io.c @@ -2253,6 +2253,7 @@ int qedf_initiate_cleanup(struct qedf_ioreq *io_req, io_req->tm_flags == FCP_TMF_TGT_RESET) { clear_bit(QEDF_CMD_OUTSTANDING, &io_req->flags); io_req->sc_cmd = NULL; + kref_put(&io_req->refcount, qedf_release_cmd); complete(&io_req->tm_done); } diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index 44181a2cbf18d8e2862cafb2ffcb6d77284c8a58..408166bd20f330eb7e77ac9eeeb0e37e4acb0955 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -2296,11 +2296,11 @@ static int resp_mode_select(struct scsi_cmnd *scp, __func__, param_len, res); md_len = mselect6 ? (arr[0] + 1) : (get_unaligned_be16(arr + 0) + 2); bd_len = mselect6 ? arr[3] : get_unaligned_be16(arr + 6); - if (md_len > 2) { + off = bd_len + (mselect6 ? 4 : 8); + if (md_len > 2 || off >= res) { mk_sense_invalid_fld(scp, SDEB_IN_DATA, 0, -1); return check_condition_result; } - off = bd_len + (mselect6 ? 4 : 8); mpage = arr[off] & 0x3f; ps = !!(arr[off] & 0x80); if (ps) { diff --git a/drivers/scsi/scsi_debugfs.c b/drivers/scsi/scsi_debugfs.c index c19ea7ab54cbd2b7daf96e19550454fd75ffaf34..d9a18124cfc9d4604930d431a9f2cca118f9ffc1 100644 --- a/drivers/scsi/scsi_debugfs.c +++ b/drivers/scsi/scsi_debugfs.c @@ -10,6 +10,7 @@ static const char *const scsi_cmd_flags[] = { SCSI_CMD_FLAG_NAME(TAGGED), SCSI_CMD_FLAG_NAME(UNCHECKED_ISA_DMA), SCSI_CMD_FLAG_NAME(INITIALIZED), + SCSI_CMD_FLAG_NAME(LAST), }; #undef SCSI_CMD_FLAG_NAME diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c index b348cdc73ca6d1706d2a65e4fdac0a2b4bf587a7..eceb23d06282829f8f00069e7e15a13f67cb478d 100644 --- a/drivers/scsi/scsi_sysfs.c +++ b/drivers/scsi/scsi_sysfs.c @@ -776,6 +776,7 @@ store_state_field(struct device *dev, struct device_attribute *attr, int i, ret; struct scsi_device *sdev = to_scsi_device(dev); enum scsi_device_state state = 0; + bool rescan_dev = false; for (i = 0; i < ARRAY_SIZE(sdev_states); i++) { const int len = strlen(sdev_states[i].name); @@ -794,20 +795,27 @@ store_state_field(struct device *dev, struct device_attribute *attr, } mutex_lock(&sdev->state_mutex); - ret = scsi_device_set_state(sdev, state); - /* - * If the device state changes to SDEV_RUNNING, we need to - * run the queue to avoid I/O hang, and rescan the device - * to revalidate it. Running the queue first is necessary - * because another thread may be waiting inside - * blk_mq_freeze_queue_wait() and because that call may be - * waiting for pending I/O to finish. - */ - if (ret == 0 && state == SDEV_RUNNING) { + if (sdev->sdev_state == SDEV_RUNNING && state == SDEV_RUNNING) { + ret = 0; + } else { + ret = scsi_device_set_state(sdev, state); + if (ret == 0 && state == SDEV_RUNNING) + rescan_dev = true; + } + mutex_unlock(&sdev->state_mutex); + + if (rescan_dev) { + /* + * If the device state changes to SDEV_RUNNING, we need to + * run the queue to avoid I/O hang, and rescan the device + * to revalidate it. Running the queue first is necessary + * because another thread may be waiting inside + * blk_mq_freeze_queue_wait() and because that call may be + * waiting for pending I/O to finish. + */ blk_mq_run_hw_queues(sdev->request_queue, true); scsi_rescan_device(dev); } - mutex_unlock(&sdev->state_mutex); return ret == 0 ? count : -EINVAL; } diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index 6f21cb75d95fd8052658353649aea96e55874716..f6cce0befa7dee645b868030c3e1bf06184ec9d5 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -1894,12 +1894,12 @@ static void session_recovery_timedout(struct work_struct *work) } spin_unlock_irqrestore(&session->lock, flags); - if (session->transport->session_recovery_timedout) - session->transport->session_recovery_timedout(session); - ISCSI_DBG_TRANS_SESSION(session, "Unblocking SCSI target\n"); scsi_target_unblock(&session->dev, SDEV_TRANSPORT_OFFLINE); ISCSI_DBG_TRANS_SESSION(session, "Completed unblocking SCSI target\n"); + + if (session->transport->session_recovery_timedout) + session->transport->session_recovery_timedout(session); } static void __iscsi_unblock_session(struct work_struct *work) diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c index 279dea628620d3d6c8921f99323ef8c42657f2ca..310da62cda263ea9d36cba170923074b3c923833 100644 --- a/drivers/scsi/sr.c +++ b/drivers/scsi/sr.c @@ -887,7 +887,7 @@ static void get_capabilities(struct scsi_cd *cd) /* allocate transfer buffer */ - buffer = kmalloc(512, GFP_KERNEL | GFP_DMA); + buffer = kmalloc(512, GFP_KERNEL); if (!buffer) { sr_printk(KERN_ERR, cd, "out of memory.\n"); return; diff --git a/drivers/scsi/sr_vendor.c b/drivers/scsi/sr_vendor.c index b9db2ec6d03617e35a035518ff1de520af6fcc03..996bccadd3866b805cd4da1df0c6683d4be19827 100644 --- a/drivers/scsi/sr_vendor.c +++ b/drivers/scsi/sr_vendor.c @@ -113,7 +113,7 @@ int sr_set_blocklength(Scsi_CD *cd, int blocklength) if (cd->vendor == VENDOR_TOSHIBA) density = (blocklength > 2048) ? 0x81 : 0x83; - buffer = kmalloc(512, GFP_KERNEL | GFP_DMA); + buffer = kmalloc(512, GFP_KERNEL); if (!buffer) return -ENOMEM; @@ -161,7 +161,7 @@ int sr_cd_check(struct cdrom_device_info *cdi) if (cd->cdi.mask & CDC_MULTI_SESSION) return 0; - buffer = kmalloc(512, GFP_KERNEL | GFP_DMA); + buffer = kmalloc(512, GFP_KERNEL); if (!buffer) return -ENOMEM; diff --git a/drivers/scsi/ufs/tc-dwc-g210-pci.c b/drivers/scsi/ufs/tc-dwc-g210-pci.c index 67a6a61154b7184771bbe2447f19a84f69ac4b18..4e471484539d24abd57030bf2e8799c4d546f9e9 100644 --- a/drivers/scsi/ufs/tc-dwc-g210-pci.c +++ b/drivers/scsi/ufs/tc-dwc-g210-pci.c @@ -135,7 +135,6 @@ tc_dwc_g210_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) return err; } - pci_set_drvdata(pdev, hba); pm_runtime_put_noidle(&pdev->dev); pm_runtime_allow(&pdev->dev); diff --git a/drivers/scsi/ufs/ufshcd-pltfrm.c b/drivers/scsi/ufs/ufshcd-pltfrm.c index 8d40dc918f4e12a778aefcf3921dcdfc312d3321..10eec501f6b390c2c0de6b94e55bba0be880cefd 100644 --- a/drivers/scsi/ufs/ufshcd-pltfrm.c +++ b/drivers/scsi/ufs/ufshcd-pltfrm.c @@ -436,8 +436,6 @@ int ufshcd_pltfrm_init(struct platform_device *pdev, goto dealloc_host; } - platform_set_drvdata(pdev, hba); - pm_runtime_set_active(&pdev->dev); pm_runtime_enable(&pdev->dev); diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index d69a4656e43b98166771b2a41d250ea73312d567..67f33a73ffea133dfa52233a95c75adacc048ac7 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -9121,6 +9121,13 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq) struct device *dev = hba->dev; char eh_wq_name[sizeof("ufs_eh_wq_00")]; + /* + * dev_set_drvdata() must be called before any callbacks are registered + * that use dev_get_drvdata() (frequency scaling, clock scaling, hwmon, + * sysfs). + */ + dev_set_drvdata(dev, hba); + if (!mmio_base) { dev_err(hba->dev, "Invalid memory reference for mmio_base is NULL\n"); diff --git a/drivers/scsi/vmw_pvscsi.c b/drivers/scsi/vmw_pvscsi.c index 0ac342b1deb9541f3eaa834734f519e262e2cf09..0370ff6dd2efdbb7a41b0f17e6748d6df6deb7ea 100644 --- a/drivers/scsi/vmw_pvscsi.c +++ b/drivers/scsi/vmw_pvscsi.c @@ -578,9 +578,12 @@ static void pvscsi_complete_request(struct pvscsi_adapter *adapter, * Commands like INQUIRY may transfer less data than * requested by the initiator via bufflen. Set residual * count to make upper layer aware of the actual amount - * of data returned. + * of data returned. There are cases when controller + * returns zero dataLen with non zero data - do not set + * residual count in that case. */ - scsi_set_resid(cmd, scsi_bufflen(cmd) - e->dataLen); + if (e->dataLen && (e->dataLen < scsi_bufflen(cmd))) + scsi_set_resid(cmd, scsi_bufflen(cmd) - e->dataLen); cmd->result = (DID_OK << 16); break; diff --git a/drivers/sh/maple/maple.c b/drivers/sh/maple/maple.c index e5d7fb81ad66568d64107c4b592e2b87be33a215..44a931d41a132159d9b058c16b3bf7b86af9c64b 100644 --- a/drivers/sh/maple/maple.c +++ b/drivers/sh/maple/maple.c @@ -835,8 +835,10 @@ static int __init maple_bus_init(void) maple_queue_cache = KMEM_CACHE(maple_buffer, SLAB_HWCACHE_ALIGN); - if (!maple_queue_cache) + if (!maple_queue_cache) { + retval = -ENOMEM; goto cleanup_bothirqs; + } INIT_LIST_HEAD(&maple_waitq); INIT_LIST_HEAD(&maple_sentq); @@ -849,6 +851,7 @@ static int __init maple_bus_init(void) if (!mdev[i]) { while (i-- > 0) maple_free_dev(mdev[i]); + retval = -ENOMEM; goto cleanup_cache; } baseunits[i] = mdev[i]; diff --git a/drivers/soc/tegra/fuse/fuse-tegra.c b/drivers/soc/tegra/fuse/fuse-tegra.c index 3eb44e65b3261ee366e0ade55f99013839cf4819..1a54bac512b690bff1b2c56ed06f52609b2bef93 100644 --- a/drivers/soc/tegra/fuse/fuse-tegra.c +++ b/drivers/soc/tegra/fuse/fuse-tegra.c @@ -172,7 +172,7 @@ static struct platform_driver tegra_fuse_driver = { }; builtin_platform_driver(tegra_fuse_driver); -bool __init tegra_fuse_read_spare(unsigned int spare) +u32 __init tegra_fuse_read_spare(unsigned int spare) { unsigned int offset = fuse->soc->info->spare + spare * 4; diff --git a/drivers/soc/tegra/fuse/fuse.h b/drivers/soc/tegra/fuse/fuse.h index 7230cb3305033533ca82e777d9b732115da67f1d..6996cfc7cbca32267f60f548fa95c6ab800a99b7 100644 --- a/drivers/soc/tegra/fuse/fuse.h +++ b/drivers/soc/tegra/fuse/fuse.h @@ -53,7 +53,7 @@ struct tegra_fuse { void tegra_init_revision(void); void tegra_init_apbmisc(void); -bool __init tegra_fuse_read_spare(unsigned int spare); +u32 __init tegra_fuse_read_spare(unsigned int spare); u32 __init tegra_fuse_read_early(unsigned int offset); #ifdef CONFIG_ARCH_TEGRA_2x_SOC diff --git a/drivers/spi/spi-armada-3700.c b/drivers/spi/spi-armada-3700.c index e450ee17787f0ecebb2c88e262722ea088736563..4a4e2877414a15d314fc45362eb3dc6f1a266ac9 100644 --- a/drivers/spi/spi-armada-3700.c +++ b/drivers/spi/spi-armada-3700.c @@ -906,7 +906,7 @@ static int a3700_spi_probe(struct platform_device *pdev) return 0; error_clk: - clk_disable_unprepare(spi->clk); + clk_unprepare(spi->clk); error: spi_master_put(master); out: diff --git a/drivers/spi/spi-bcm-qspi.c b/drivers/spi/spi-bcm-qspi.c index 8a1176efa4c851b3ff35bbbd371d958592f7f795..3755be04346a6c265d60c1aaa0abbfcfdd911c43 100644 --- a/drivers/spi/spi-bcm-qspi.c +++ b/drivers/spi/spi-bcm-qspi.c @@ -509,7 +509,7 @@ static void bcm_qspi_chip_select(struct bcm_qspi *qspi, int cs) u32 rd = 0; u32 wr = 0; - if (qspi->base[CHIP_SELECT]) { + if (cs >= 0 && qspi->base[CHIP_SELECT]) { rd = bcm_qspi_read(qspi, CHIP_SELECT, 0); wr = (rd & ~0xff) | (1 << cs); if (rd == wr) diff --git a/drivers/spi/spi-meson-spicc.c b/drivers/spi/spi-meson-spicc.c index 3c841ae0a3e914424646acb336d9b22abdf908d1..c9c4c0f2e8b7a2b8923130461b9352575f00f3e6 100644 --- a/drivers/spi/spi-meson-spicc.c +++ b/drivers/spi/spi-meson-spicc.c @@ -527,6 +527,11 @@ static int meson_spicc_probe(struct platform_device *pdev) writel_relaxed(0, spicc->base + SPICC_INTREG); irq = platform_get_irq(pdev, 0); + if (irq < 0) { + ret = irq; + goto out_master; + } + ret = devm_request_irq(&pdev->dev, irq, meson_spicc_irq, 0, NULL, spicc); if (ret) { diff --git a/drivers/spi/spi-meson-spifc.c b/drivers/spi/spi-meson-spifc.c index c7b0399802913bc7a3949d973c32e8e2f2f416ff..cae934464f3dddc4e0d57834e8ca9c353f206519 100644 --- a/drivers/spi/spi-meson-spifc.c +++ b/drivers/spi/spi-meson-spifc.c @@ -349,6 +349,7 @@ static int meson_spifc_probe(struct platform_device *pdev) return 0; out_clk: clk_disable_unprepare(spifc->clk); + pm_runtime_disable(spifc->dev); out_err: spi_master_put(master); return ret; diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c index cafb773f78616e6753475f3c11fa67681a5f1bbd..29d44f5d5212c003ea68bb1733912bfac90bcf93 100644 --- a/drivers/spi/spi-mt65xx.c +++ b/drivers/spi/spi-mt65xx.c @@ -533,7 +533,7 @@ static irqreturn_t mtk_spi_interrupt(int irq, void *dev_id) else mdata->state = MTK_SPI_IDLE; - if (!master->can_dma(master, master->cur_msg->spi, trans)) { + if (!master->can_dma(master, NULL, trans)) { if (trans->rx_buf) { cnt = mdata->xfer_len / 4; ioread32_rep(mdata->base + SPI_RX_DATA_REG, diff --git a/drivers/staging/fbtft/fb_ssd1351.c b/drivers/staging/fbtft/fb_ssd1351.c index cf263a58a1489fe4dd507dfce6b59718ffd1fb68..6fd549a424d53fc89fb938a070fa2be0442c1e89 100644 --- a/drivers/staging/fbtft/fb_ssd1351.c +++ b/drivers/staging/fbtft/fb_ssd1351.c @@ -187,7 +187,6 @@ static struct fbtft_display display = { }, }; -#ifdef CONFIG_FB_BACKLIGHT static int update_onboard_backlight(struct backlight_device *bd) { struct fbtft_par *par = bl_get_data(bd); @@ -231,9 +230,6 @@ static void register_onboard_backlight(struct fbtft_par *par) if (!par->fbtftops.unregister_backlight) par->fbtftops.unregister_backlight = fbtft_unregister_backlight; } -#else -static void register_onboard_backlight(struct fbtft_par *par) { }; -#endif FBTFT_REGISTER_DRIVER(DRVNAME, "solomon,ssd1351", &display); diff --git a/drivers/staging/fbtft/fbtft-core.c b/drivers/staging/fbtft/fbtft-core.c index bc53d68bfcaa31eb42eddd915be04c9795796f9b..771697508cec8651fbe936ccd65515c5958d2708 100644 --- a/drivers/staging/fbtft/fbtft-core.c +++ b/drivers/staging/fbtft/fbtft-core.c @@ -136,7 +136,6 @@ static int fbtft_request_gpios_dt(struct fbtft_par *par) } #endif -#ifdef CONFIG_FB_BACKLIGHT static int fbtft_backlight_update_status(struct backlight_device *bd) { struct fbtft_par *par = bl_get_data(bd); @@ -169,6 +168,7 @@ void fbtft_unregister_backlight(struct fbtft_par *par) par->info->bl_dev = NULL; } } +EXPORT_SYMBOL(fbtft_unregister_backlight); static const struct backlight_ops fbtft_bl_ops = { .get_brightness = fbtft_backlight_get_brightness, @@ -206,12 +206,7 @@ void fbtft_register_backlight(struct fbtft_par *par) if (!par->fbtftops.unregister_backlight) par->fbtftops.unregister_backlight = fbtft_unregister_backlight; } -#else -void fbtft_register_backlight(struct fbtft_par *par) { }; -void fbtft_unregister_backlight(struct fbtft_par *par) { }; -#endif EXPORT_SYMBOL(fbtft_register_backlight); -EXPORT_SYMBOL(fbtft_unregister_backlight); static void fbtft_set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye) @@ -860,13 +855,11 @@ int fbtft_register_framebuffer(struct fb_info *fb_info) fb_info->fix.smem_len >> 10, text1, HZ / fb_info->fbdefio->delay, text2); -#ifdef CONFIG_FB_BACKLIGHT /* Turn on backlight if available */ if (fb_info->bl_dev) { fb_info->bl_dev->props.power = FB_BLANK_UNBLANK; fb_info->bl_dev->ops->update_status(fb_info->bl_dev); } -#endif return 0; diff --git a/drivers/staging/fbtft/fbtft.h b/drivers/staging/fbtft/fbtft.h index 9b6bdb62093d7b86d2b825e88392bd6a508acbe8..736cd4955b7335ae1bef312cd0e058af696cefcb 100644 --- a/drivers/staging/fbtft/fbtft.h +++ b/drivers/staging/fbtft/fbtft.h @@ -332,7 +332,10 @@ static int __init fbtft_driver_module_init(void) \ ret = spi_register_driver(&fbtft_driver_spi_driver); \ if (ret < 0) \ return ret; \ - return platform_driver_register(&fbtft_driver_platform_driver); \ + ret = platform_driver_register(&fbtft_driver_platform_driver); \ + if (ret < 0) \ + spi_unregister_driver(&fbtft_driver_spi_driver); \ + return ret; \ } \ \ static void __exit fbtft_driver_module_exit(void) \ diff --git a/drivers/staging/greybus/audio_topology.c b/drivers/staging/greybus/audio_topology.c index cc329b990e165ec612b31ecaebb575059f86e2b3..3e2fbcd20598a3bded1ecb3144f1f3e8c3957203 100644 --- a/drivers/staging/greybus/audio_topology.c +++ b/drivers/staging/greybus/audio_topology.c @@ -145,6 +145,9 @@ static const char **gb_generate_enum_strings(struct gbaudio_module_info *gb, items = le32_to_cpu(gbenum->items); strings = devm_kcalloc(gb->dev, items, sizeof(char *), GFP_KERNEL); + if (!strings) + return NULL; + data = gbenum->names; for (i = 0; i < items; i++) { @@ -662,6 +665,8 @@ static int gbaudio_tplg_create_enum_kctl(struct gbaudio_module_info *gb, /* since count=1, and reg is dummy */ gbe->max = le32_to_cpu(gb_enum->items); gbe->texts = gb_generate_enum_strings(gb, gb_enum); + if (!gbe->texts) + return -ENOMEM; /* debug enum info */ dev_dbg(gb->dev, "Max:%d, name_length:%d\n", gbe->max, @@ -871,6 +876,8 @@ static int gbaudio_tplg_create_enum_ctl(struct gbaudio_module_info *gb, /* since count=1, and reg is dummy */ gbe->max = le32_to_cpu(gb_enum->items); gbe->texts = gb_generate_enum_strings(gb, gb_enum); + if (!gbe->texts) + return -ENOMEM; /* debug enum info */ dev_dbg(gb->dev, "Max:%d, name_length:%d\n", gbe->max, @@ -983,6 +990,44 @@ static int gbaudio_widget_event(struct snd_soc_dapm_widget *w, return ret; } +static const struct snd_soc_dapm_widget gbaudio_widgets[] = { + [snd_soc_dapm_spk] = SND_SOC_DAPM_SPK(NULL, gbcodec_event_spk), + [snd_soc_dapm_hp] = SND_SOC_DAPM_HP(NULL, gbcodec_event_hp), + [snd_soc_dapm_mic] = SND_SOC_DAPM_MIC(NULL, gbcodec_event_int_mic), + [snd_soc_dapm_output] = SND_SOC_DAPM_OUTPUT(NULL), + [snd_soc_dapm_input] = SND_SOC_DAPM_INPUT(NULL), + [snd_soc_dapm_switch] = SND_SOC_DAPM_SWITCH_E(NULL, SND_SOC_NOPM, + 0, 0, NULL, + gbaudio_widget_event, + SND_SOC_DAPM_PRE_PMU | + SND_SOC_DAPM_POST_PMD), + [snd_soc_dapm_pga] = SND_SOC_DAPM_PGA_E(NULL, SND_SOC_NOPM, + 0, 0, NULL, 0, + gbaudio_widget_event, + SND_SOC_DAPM_PRE_PMU | + SND_SOC_DAPM_POST_PMD), + [snd_soc_dapm_mixer] = SND_SOC_DAPM_MIXER_E(NULL, SND_SOC_NOPM, + 0, 0, NULL, 0, + gbaudio_widget_event, + SND_SOC_DAPM_PRE_PMU | + SND_SOC_DAPM_POST_PMD), + [snd_soc_dapm_mux] = SND_SOC_DAPM_MUX_E(NULL, SND_SOC_NOPM, + 0, 0, NULL, + gbaudio_widget_event, + SND_SOC_DAPM_PRE_PMU | + SND_SOC_DAPM_POST_PMD), + [snd_soc_dapm_aif_in] = SND_SOC_DAPM_AIF_IN_E(NULL, NULL, 0, + SND_SOC_NOPM, 0, 0, + gbaudio_widget_event, + SND_SOC_DAPM_PRE_PMU | + SND_SOC_DAPM_POST_PMD), + [snd_soc_dapm_aif_out] = SND_SOC_DAPM_AIF_OUT_E(NULL, NULL, 0, + SND_SOC_NOPM, 0, 0, + gbaudio_widget_event, + SND_SOC_DAPM_PRE_PMU | + SND_SOC_DAPM_POST_PMD), +}; + static int gbaudio_tplg_create_widget(struct gbaudio_module_info *module, struct snd_soc_dapm_widget *dw, struct gb_audio_widget *w, int *w_size) @@ -1043,6 +1088,10 @@ static int gbaudio_tplg_create_widget(struct gbaudio_module_info *module, csize += le16_to_cpu(gbenum->names_length); control->texts = (const char * const *) gb_generate_enum_strings(module, gbenum); + if (!control->texts) { + ret = -ENOMEM; + goto error; + } control->items = le32_to_cpu(gbenum->items); } else { csize = sizeof(struct gb_audio_control); @@ -1061,77 +1110,37 @@ static int gbaudio_tplg_create_widget(struct gbaudio_module_info *module, switch (w->type) { case snd_soc_dapm_spk: - *dw = (struct snd_soc_dapm_widget) - SND_SOC_DAPM_SPK(w->name, gbcodec_event_spk); + *dw = gbaudio_widgets[w->type]; module->op_devices |= GBAUDIO_DEVICE_OUT_SPEAKER; break; case snd_soc_dapm_hp: - *dw = (struct snd_soc_dapm_widget) - SND_SOC_DAPM_HP(w->name, gbcodec_event_hp); + *dw = gbaudio_widgets[w->type]; module->op_devices |= (GBAUDIO_DEVICE_OUT_WIRED_HEADSET | GBAUDIO_DEVICE_OUT_WIRED_HEADPHONE); module->ip_devices |= GBAUDIO_DEVICE_IN_WIRED_HEADSET; break; case snd_soc_dapm_mic: - *dw = (struct snd_soc_dapm_widget) - SND_SOC_DAPM_MIC(w->name, gbcodec_event_int_mic); + *dw = gbaudio_widgets[w->type]; module->ip_devices |= GBAUDIO_DEVICE_IN_BUILTIN_MIC; break; case snd_soc_dapm_output: - *dw = (struct snd_soc_dapm_widget)SND_SOC_DAPM_OUTPUT(w->name); - break; case snd_soc_dapm_input: - *dw = (struct snd_soc_dapm_widget)SND_SOC_DAPM_INPUT(w->name); - break; case snd_soc_dapm_switch: - *dw = (struct snd_soc_dapm_widget) - SND_SOC_DAPM_SWITCH_E(w->name, SND_SOC_NOPM, 0, 0, - widget_kctls, - gbaudio_widget_event, - SND_SOC_DAPM_PRE_PMU | - SND_SOC_DAPM_POST_PMD); - break; case snd_soc_dapm_pga: - *dw = (struct snd_soc_dapm_widget) - SND_SOC_DAPM_PGA_E(w->name, SND_SOC_NOPM, 0, 0, NULL, 0, - gbaudio_widget_event, - SND_SOC_DAPM_PRE_PMU | - SND_SOC_DAPM_POST_PMD); - break; case snd_soc_dapm_mixer: - *dw = (struct snd_soc_dapm_widget) - SND_SOC_DAPM_MIXER_E(w->name, SND_SOC_NOPM, 0, 0, NULL, - 0, gbaudio_widget_event, - SND_SOC_DAPM_PRE_PMU | - SND_SOC_DAPM_POST_PMD); - break; case snd_soc_dapm_mux: - *dw = (struct snd_soc_dapm_widget) - SND_SOC_DAPM_MUX_E(w->name, SND_SOC_NOPM, 0, 0, - widget_kctls, gbaudio_widget_event, - SND_SOC_DAPM_PRE_PMU | - SND_SOC_DAPM_POST_PMD); + *dw = gbaudio_widgets[w->type]; break; case snd_soc_dapm_aif_in: - *dw = (struct snd_soc_dapm_widget) - SND_SOC_DAPM_AIF_IN_E(w->name, w->sname, 0, - SND_SOC_NOPM, - 0, 0, gbaudio_widget_event, - SND_SOC_DAPM_PRE_PMU | - SND_SOC_DAPM_POST_PMD); - break; case snd_soc_dapm_aif_out: - *dw = (struct snd_soc_dapm_widget) - SND_SOC_DAPM_AIF_OUT_E(w->name, w->sname, 0, - SND_SOC_NOPM, - 0, 0, gbaudio_widget_event, - SND_SOC_DAPM_PRE_PMU | - SND_SOC_DAPM_POST_PMD); + *dw = gbaudio_widgets[w->type]; + dw->sname = w->sname; break; default: ret = -EINVAL; goto error; } + dw->name = w->name; dev_dbg(module->dev, "%s: widget of type %d created\n", dw->name, dw->id); @@ -1192,6 +1201,10 @@ static int gbaudio_tplg_process_kcontrols(struct gbaudio_module_info *module, csize += le16_to_cpu(gbenum->names_length); control->texts = (const char * const *) gb_generate_enum_strings(module, gbenum); + if (!control->texts) { + ret = -ENOMEM; + goto error; + } control->items = le32_to_cpu(gbenum->items); } else { csize = sizeof(struct gb_audio_control); diff --git a/drivers/staging/media/hantro/hantro_drv.c b/drivers/staging/media/hantro/hantro_drv.c index 32e5966ba5c5ff8fc963a632eedd02e5be77d4a4..58cf44045b396d8e80ea6e5153a74524ee7b0a8b 100644 --- a/drivers/staging/media/hantro/hantro_drv.c +++ b/drivers/staging/media/hantro/hantro_drv.c @@ -823,7 +823,7 @@ static int hantro_probe(struct platform_device *pdev) ret = clk_bulk_prepare(vpu->variant->num_clocks, vpu->clocks); if (ret) { dev_err(&pdev->dev, "Failed to prepare clocks\n"); - return ret; + goto err_pm_disable; } ret = v4l2_device_register(&pdev->dev, &vpu->v4l2_dev); @@ -879,6 +879,7 @@ static int hantro_probe(struct platform_device *pdev) v4l2_device_unregister(&vpu->v4l2_dev); err_clk_unprepare: clk_bulk_unprepare(vpu->variant->num_clocks, vpu->clocks); +err_pm_disable: pm_runtime_dont_use_autosuspend(vpu->dev); pm_runtime_disable(vpu->dev); return ret; diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c index c702ee9691b1d6504a7632ddd84e98606b51d01b..bcbf0c8cd4209200f1c9eea3aeea504b85e299a9 100644 --- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c +++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c @@ -2559,13 +2559,14 @@ static void _rtl92e_pci_disconnect(struct pci_dev *pdev) free_irq(dev->irq, dev); priv->irq = 0; } - free_rtllib(dev); if (dev->mem_start != 0) { iounmap((void __iomem *)dev->mem_start); release_mem_region(pci_resource_start(pdev, 1), pci_resource_len(pdev, 1)); } + + free_rtllib(dev); } else { priv = rtllib_priv(dev); } diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h index 2eeb9a43734e3335f6528da9ed790717a6fe1b36..49bf3ad31f9120f7b235b61f5ba9e53d161ff78f 100644 --- a/drivers/staging/rtl8192e/rtllib.h +++ b/drivers/staging/rtl8192e/rtllib.h @@ -1982,7 +1982,7 @@ void rtllib_softmac_xmit(struct rtllib_txb *txb, struct rtllib_device *ieee); void rtllib_stop_send_beacons(struct rtllib_device *ieee); void notify_wx_assoc_event(struct rtllib_device *ieee); void rtllib_start_ibss(struct rtllib_device *ieee); -void rtllib_softmac_init(struct rtllib_device *ieee); +int rtllib_softmac_init(struct rtllib_device *ieee); void rtllib_softmac_free(struct rtllib_device *ieee); void rtllib_disassociate(struct rtllib_device *ieee); void rtllib_stop_scan(struct rtllib_device *ieee); diff --git a/drivers/staging/rtl8192e/rtllib_module.c b/drivers/staging/rtl8192e/rtllib_module.c index 64d9feee1f392d33fb575336289570e565caa300..f00ac94b2639b4ca467c693cfe5be87771c5813b 100644 --- a/drivers/staging/rtl8192e/rtllib_module.c +++ b/drivers/staging/rtl8192e/rtllib_module.c @@ -88,7 +88,7 @@ struct net_device *alloc_rtllib(int sizeof_priv) err = rtllib_networks_allocate(ieee); if (err) { pr_err("Unable to allocate beacon storage: %d\n", err); - goto failed; + goto free_netdev; } rtllib_networks_initialize(ieee); @@ -121,11 +121,13 @@ struct net_device *alloc_rtllib(int sizeof_priv) ieee->hwsec_active = 0; memset(ieee->swcamtable, 0, sizeof(struct sw_cam_table) * 32); - rtllib_softmac_init(ieee); + err = rtllib_softmac_init(ieee); + if (err) + goto free_crypt_info; ieee->pHTInfo = kzalloc(sizeof(struct rt_hi_throughput), GFP_KERNEL); if (!ieee->pHTInfo) - return NULL; + goto free_softmac; HTUpdateDefaultSetting(ieee); HTInitializeHTInfo(ieee); @@ -141,8 +143,14 @@ struct net_device *alloc_rtllib(int sizeof_priv) return dev; - failed: +free_softmac: + rtllib_softmac_free(ieee); +free_crypt_info: + lib80211_crypt_info_free(&ieee->crypt_info); + rtllib_networks_free(ieee); +free_netdev: free_netdev(dev); + return NULL; } EXPORT_SYMBOL(alloc_rtllib); diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c index f2f7529e7c80e19aeeda0194594f45226d57bb6b..4ff8fd694c6001607a54be613f618470c0226996 100644 --- a/drivers/staging/rtl8192e/rtllib_softmac.c +++ b/drivers/staging/rtl8192e/rtllib_softmac.c @@ -2952,7 +2952,7 @@ void rtllib_start_protocol(struct rtllib_device *ieee) } } -void rtllib_softmac_init(struct rtllib_device *ieee) +int rtllib_softmac_init(struct rtllib_device *ieee) { int i; @@ -2963,7 +2963,8 @@ void rtllib_softmac_init(struct rtllib_device *ieee) ieee->seq_ctrl[i] = 0; ieee->dot11d_info = kzalloc(sizeof(struct rt_dot11d_info), GFP_ATOMIC); if (!ieee->dot11d_info) - netdev_err(ieee->dev, "Can't alloc memory for DOT11D\n"); + return -ENOMEM; + ieee->LinkDetectInfo.SlotIndex = 0; ieee->LinkDetectInfo.SlotNum = 2; ieee->LinkDetectInfo.NumRecvBcnInPeriod = 0; @@ -3031,6 +3032,7 @@ void rtllib_softmac_init(struct rtllib_device *ieee) (void(*)(unsigned long)) rtllib_sta_ps, (unsigned long)ieee); + return 0; } void rtllib_softmac_free(struct rtllib_device *ieee) diff --git a/drivers/staging/wlan-ng/hfa384x_usb.c b/drivers/staging/wlan-ng/hfa384x_usb.c index ed4ff78dd02aae3238afeaf61086c22eb749a465..71cca6e1dea4638b47e303a63f07af5c92fa1fb6 100644 --- a/drivers/staging/wlan-ng/hfa384x_usb.c +++ b/drivers/staging/wlan-ng/hfa384x_usb.c @@ -3779,18 +3779,18 @@ static void hfa384x_usb_throttlefn(struct timer_list *t) spin_lock_irqsave(&hw->ctlxq.lock, flags); - /* - * We need to check BOTH the RX and the TX throttle controls, - * so we use the bitwise OR instead of the logical OR. - */ pr_debug("flags=0x%lx\n", hw->usb_flags); - if (!hw->wlandev->hwremoved && - ((test_and_clear_bit(THROTTLE_RX, &hw->usb_flags) && - !test_and_set_bit(WORK_RX_RESUME, &hw->usb_flags)) | - (test_and_clear_bit(THROTTLE_TX, &hw->usb_flags) && - !test_and_set_bit(WORK_TX_RESUME, &hw->usb_flags)) - )) { - schedule_work(&hw->usb_work); + if (!hw->wlandev->hwremoved) { + bool rx_throttle = test_and_clear_bit(THROTTLE_RX, &hw->usb_flags) && + !test_and_set_bit(WORK_RX_RESUME, &hw->usb_flags); + bool tx_throttle = test_and_clear_bit(THROTTLE_TX, &hw->usb_flags) && + !test_and_set_bit(WORK_TX_RESUME, &hw->usb_flags); + /* + * We need to check BOTH the RX and the TX throttle controls, + * so we use the bitwise OR instead of the logical OR. + */ + if (rx_throttle | tx_throttle) + schedule_work(&hw->usb_work); } spin_unlock_irqrestore(&hw->ctlxq.lock, flags); diff --git a/drivers/target/iscsi/iscsi_target_tpg.c b/drivers/target/iscsi/iscsi_target_tpg.c index 8075f60fd02c337a5fcb0efc8ad74a066737cfb3..2d5cf1714ae05de28eb17ba66db9b5be12338e98 100644 --- a/drivers/target/iscsi/iscsi_target_tpg.c +++ b/drivers/target/iscsi/iscsi_target_tpg.c @@ -443,6 +443,9 @@ static bool iscsit_tpg_check_network_portal( break; } spin_unlock(&tpg->tpg_np_lock); + + if (match) + break; } spin_unlock(&tiqn->tiqn_tpg_lock); diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c index 385e4cf9cfa63b3777090278b12f8db39eb1b68d..0fc3135d3e4f64c06609099003b8ea0d2f48fa87 100644 --- a/drivers/target/target_core_alua.c +++ b/drivers/target/target_core_alua.c @@ -1702,7 +1702,6 @@ int core_alua_set_tg_pt_gp_id( pr_err("Maximum ALUA alua_tg_pt_gps_count:" " 0x0000ffff reached\n"); spin_unlock(&dev->t10_alua.tg_pt_gps_lock); - kmem_cache_free(t10_alua_tg_pt_gp_cache, tg_pt_gp); return -ENOSPC; } again: diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c index 2d19f0e332b0157695c6e7e87fdc7a25ab3b59cd..20fe2870398578b26e3121edf6f4c39e59654f25 100644 --- a/drivers/target/target_core_device.c +++ b/drivers/target/target_core_device.c @@ -758,6 +758,8 @@ struct se_device *target_alloc_device(struct se_hba *hba, const char *name) INIT_LIST_HEAD(&dev->t10_alua.lba_map_list); spin_lock_init(&dev->t10_alua.lba_map_lock); + INIT_WORK(&dev->delayed_cmd_work, target_do_delayed_work); + dev->t10_wwn.t10_dev = dev; dev->t10_alua.t10_dev = dev; diff --git a/drivers/target/target_core_internal.h b/drivers/target/target_core_internal.h index e7b3c6e5d5744ca75cff1d17ac000f2e2125213d..e4f072a680d41266ec77f5f7d2fa14b542975257 100644 --- a/drivers/target/target_core_internal.h +++ b/drivers/target/target_core_internal.h @@ -150,6 +150,7 @@ int transport_dump_vpd_ident(struct t10_vpd *, unsigned char *, int); void transport_clear_lun_ref(struct se_lun *); sense_reason_t target_cmd_size_check(struct se_cmd *cmd, unsigned int size); void target_qf_do_work(struct work_struct *work); +void target_do_delayed_work(struct work_struct *work); bool target_check_wce(struct se_device *dev); bool target_check_fua(struct se_device *dev); void __target_execute_cmd(struct se_cmd *, bool); diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 5cf9e7677926fa7955f7ad0ff5389c8457f250ee..f52fe40002259267defd6daf3b7309b63c63e64e 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -2021,32 +2021,35 @@ static bool target_handle_task_attr(struct se_cmd *cmd) */ switch (cmd->sam_task_attr) { case TCM_HEAD_TAG: + atomic_inc_mb(&dev->non_ordered); pr_debug("Added HEAD_OF_QUEUE for CDB: 0x%02x\n", cmd->t_task_cdb[0]); return false; case TCM_ORDERED_TAG: - atomic_inc_mb(&dev->dev_ordered_sync); + atomic_inc_mb(&dev->delayed_cmd_count); pr_debug("Added ORDERED for CDB: 0x%02x to ordered list\n", cmd->t_task_cdb[0]); - - /* - * Execute an ORDERED command if no other older commands - * exist that need to be completed first. - */ - if (!atomic_read(&dev->simple_cmds)) - return false; break; default: /* * For SIMPLE and UNTAGGED Task Attribute commands */ - atomic_inc_mb(&dev->simple_cmds); + atomic_inc_mb(&dev->non_ordered); + + if (atomic_read(&dev->delayed_cmd_count) == 0) + return false; break; } - if (atomic_read(&dev->dev_ordered_sync) == 0) - return false; + if (cmd->sam_task_attr != TCM_ORDERED_TAG) { + atomic_inc_mb(&dev->delayed_cmd_count); + /* + * We will account for this when we dequeue from the delayed + * list. + */ + atomic_dec_mb(&dev->non_ordered); + } spin_lock(&dev->delayed_cmd_lock); list_add_tail(&cmd->se_delayed_node, &dev->delayed_cmd_list); @@ -2054,6 +2057,12 @@ static bool target_handle_task_attr(struct se_cmd *cmd) pr_debug("Added CDB: 0x%02x Task Attr: 0x%02x to delayed CMD listn", cmd->t_task_cdb[0], cmd->sam_task_attr); + /* + * We may have no non ordered cmds when this function started or we + * could have raced with the last simple/head cmd completing, so kick + * the delayed handler here. + */ + schedule_work(&dev->delayed_cmd_work); return true; } @@ -2091,29 +2100,48 @@ EXPORT_SYMBOL(target_execute_cmd); * Process all commands up to the last received ORDERED task attribute which * requires another blocking boundary */ -static void target_restart_delayed_cmds(struct se_device *dev) +void target_do_delayed_work(struct work_struct *work) { - for (;;) { + struct se_device *dev = container_of(work, struct se_device, + delayed_cmd_work); + + spin_lock(&dev->delayed_cmd_lock); + while (!dev->ordered_sync_in_progress) { struct se_cmd *cmd; - spin_lock(&dev->delayed_cmd_lock); - if (list_empty(&dev->delayed_cmd_list)) { - spin_unlock(&dev->delayed_cmd_lock); + if (list_empty(&dev->delayed_cmd_list)) break; - } cmd = list_entry(dev->delayed_cmd_list.next, struct se_cmd, se_delayed_node); + + if (cmd->sam_task_attr == TCM_ORDERED_TAG) { + /* + * Check if we started with: + * [ordered] [simple] [ordered] + * and we are now at the last ordered so we have to wait + * for the simple cmd. + */ + if (atomic_read(&dev->non_ordered) > 0) + break; + + dev->ordered_sync_in_progress = true; + } + list_del(&cmd->se_delayed_node); + atomic_dec_mb(&dev->delayed_cmd_count); spin_unlock(&dev->delayed_cmd_lock); + if (cmd->sam_task_attr != TCM_ORDERED_TAG) + atomic_inc_mb(&dev->non_ordered); + cmd->transport_state |= CMD_T_SENT; __target_execute_cmd(cmd, true); - if (cmd->sam_task_attr == TCM_ORDERED_TAG) - break; + spin_lock(&dev->delayed_cmd_lock); } + spin_unlock(&dev->delayed_cmd_lock); } /* @@ -2131,14 +2159,17 @@ static void transport_complete_task_attr(struct se_cmd *cmd) goto restart; if (cmd->sam_task_attr == TCM_SIMPLE_TAG) { - atomic_dec_mb(&dev->simple_cmds); + atomic_dec_mb(&dev->non_ordered); dev->dev_cur_ordered_id++; } else if (cmd->sam_task_attr == TCM_HEAD_TAG) { + atomic_dec_mb(&dev->non_ordered); dev->dev_cur_ordered_id++; pr_debug("Incremented dev_cur_ordered_id: %u for HEAD_OF_QUEUE\n", dev->dev_cur_ordered_id); } else if (cmd->sam_task_attr == TCM_ORDERED_TAG) { - atomic_dec_mb(&dev->dev_ordered_sync); + spin_lock(&dev->delayed_cmd_lock); + dev->ordered_sync_in_progress = false; + spin_unlock(&dev->delayed_cmd_lock); dev->dev_cur_ordered_id++; pr_debug("Incremented dev_cur_ordered_id: %u for ORDERED\n", @@ -2147,7 +2178,8 @@ static void transport_complete_task_attr(struct se_cmd *cmd) cmd->se_cmd_flags &= ~SCF_TASK_ATTR_SET; restart: - target_restart_delayed_cmds(dev); + if (atomic_read(&dev->delayed_cmd_count) > 0) + schedule_work(&dev->delayed_cmd_work); } static void transport_complete_qf(struct se_cmd *cmd) diff --git a/drivers/tee/optee/shm_pool.c b/drivers/tee/optee/shm_pool.c index c41a9a501a6e9d8fcf5efce43259aca6466368b6..fa75024f16f7f1876c0d588794b6c59f698e10ac 100644 --- a/drivers/tee/optee/shm_pool.c +++ b/drivers/tee/optee/shm_pool.c @@ -41,10 +41,8 @@ static int pool_op_alloc(struct tee_shm_pool_mgr *poolm, goto err; } - for (i = 0; i < nr_pages; i++) { - pages[i] = page; - page++; - } + for (i = 0; i < nr_pages; i++) + pages[i] = page + i; shm->flags |= TEE_SHM_REGISTER; rc = optee_shm_register(shm->ctx, shm, pages, nr_pages, diff --git a/drivers/tee/tee_core.c b/drivers/tee/tee_core.c index 0f16d9ffd8d12ee024a92f9eff1b926fb8819fc4..85e0cef9e917e71106e5be5e7e7b20e5b0ff4e97 100644 --- a/drivers/tee/tee_core.c +++ b/drivers/tee/tee_core.c @@ -84,8 +84,10 @@ void teedev_ctx_put(struct tee_context *ctx) static void teedev_close_context(struct tee_context *ctx) { - tee_device_put(ctx->teedev); + struct tee_device *teedev = ctx->teedev; + teedev_ctx_put(ctx); + tee_device_put(teedev); } static int tee_open(struct inode *inode, struct file *filp) diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index 20eab56b02cb93038bf3e9a9da2d6c25762f661f..f4490b8120176b186ebe491ac4d2c637d620d004 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -460,6 +460,8 @@ static void thermal_zone_device_init(struct thermal_zone_device *tz) { struct thermal_instance *pos; tz->temperature = THERMAL_TEMP_INVALID; + tz->prev_low_trip = -INT_MAX; + tz->prev_high_trip = INT_MAX; list_for_each_entry(pos, &tz->thermal_instances, tz_node) pos->initialized = false; } diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c index 5ef08905fe05c72167180dfd1cd388e8ccd1f33e..2d2d04c071401059203e48ca980fb4c336f390d9 100644 --- a/drivers/tty/hvc/hvc_xen.c +++ b/drivers/tty/hvc/hvc_xen.c @@ -37,6 +37,8 @@ struct xencons_info { struct xenbus_device *xbdev; struct xencons_interface *intf; unsigned int evtchn; + XENCONS_RING_IDX out_cons; + unsigned int out_cons_same; struct hvc_struct *hvc; int irq; int vtermno; @@ -86,7 +88,11 @@ static int __write_console(struct xencons_info *xencons, cons = intf->out_cons; prod = intf->out_prod; mb(); /* update queue values before going on */ - BUG_ON((prod - cons) > sizeof(intf->out)); + + if ((prod - cons) > sizeof(intf->out)) { + pr_err_once("xencons: Illegal ring page indices"); + return -EINVAL; + } while ((sent < len) && ((prod - cons) < sizeof(intf->out))) intf->out[MASK_XENCONS_IDX(prod++, intf->out)] = data[sent++]; @@ -114,7 +120,10 @@ static int domU_write_console(uint32_t vtermno, const char *data, int len) */ while (len) { int sent = __write_console(cons, data, len); - + + if (sent < 0) + return sent; + data += sent; len -= sent; @@ -131,6 +140,8 @@ static int domU_read_console(uint32_t vtermno, char *buf, int len) XENCONS_RING_IDX cons, prod; int recv = 0; struct xencons_info *xencons = vtermno_to_xencons(vtermno); + unsigned int eoiflag = 0; + if (xencons == NULL) return -EINVAL; intf = xencons->intf; @@ -138,7 +149,11 @@ static int domU_read_console(uint32_t vtermno, char *buf, int len) cons = intf->in_cons; prod = intf->in_prod; mb(); /* get pointers before reading ring */ - BUG_ON((prod - cons) > sizeof(intf->in)); + + if ((prod - cons) > sizeof(intf->in)) { + pr_err_once("xencons: Illegal ring page indices"); + return -EINVAL; + } while (cons != prod && recv < len) buf[recv++] = intf->in[MASK_XENCONS_IDX(cons++, intf->in)]; @@ -146,7 +161,27 @@ static int domU_read_console(uint32_t vtermno, char *buf, int len) mb(); /* read ring before consuming */ intf->in_cons = cons; - notify_daemon(xencons); + /* + * When to mark interrupt having been spurious: + * - there was no new data to be read, and + * - the backend did not consume some output bytes, and + * - the previous round with no read data didn't see consumed bytes + * (we might have a race with an interrupt being in flight while + * updating xencons->out_cons, so account for that by allowing one + * round without any visible reason) + */ + if (intf->out_cons != xencons->out_cons) { + xencons->out_cons = intf->out_cons; + xencons->out_cons_same = 0; + } + if (recv) { + notify_daemon(xencons); + } else if (xencons->out_cons_same++ > 1) { + eoiflag = XEN_EOI_FLAG_SPURIOUS; + } + + xen_irq_lateeoi(xencons->irq, eoiflag); + return recv; } @@ -375,7 +410,7 @@ static int xencons_connect_backend(struct xenbus_device *dev, if (ret) return ret; info->evtchn = evtchn; - irq = bind_evtchn_to_irq(evtchn); + irq = bind_interdomain_evtchn_to_irq_lateeoi(dev->otherend_id, evtchn); if (irq < 0) return irq; info->irq = irq; @@ -539,7 +574,7 @@ static int __init xen_hvc_init(void) return r; info = vtermno_to_xencons(HVC_COOKIE); - info->irq = bind_evtchn_to_irq(info->evtchn); + info->irq = bind_evtchn_to_irq_lateeoi(info->evtchn); } if (info->irq < 0) info->irq = 0; /* NO_IRQ */ diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c index 38eb49ba361f0fa2c124967ddf28c3d55339300e..3d3d616e58989925e36c4042c51b34f91ea568e8 100644 --- a/drivers/tty/n_gsm.c +++ b/drivers/tty/n_gsm.c @@ -313,6 +313,7 @@ static struct tty_driver *gsm_tty_driver; #define GSM1_ESCAPE_BITS 0x20 #define XON 0x11 #define XOFF 0x13 +#define ISO_IEC_646_MASK 0x7F static const struct tty_port_operations gsm_port_ops; @@ -531,7 +532,8 @@ static int gsm_stuff_frame(const u8 *input, u8 *output, int len) int olen = 0; while (len--) { if (*input == GSM1_SOF || *input == GSM1_ESCAPE - || *input == XON || *input == XOFF) { + || (*input & ISO_IEC_646_MASK) == XON + || (*input & ISO_IEC_646_MASK) == XOFF) { *output++ = GSM1_ESCAPE; *output++ = *input++ ^ GSM1_ESCAPE_BITS; olen++; diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index f9c584244f72c1b856ce71bebd673b81ee00cf76..6a55f06c0af265b9b59562850794bb81af1418e2 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -1377,7 +1377,7 @@ n_tty_receive_char_special(struct tty_struct *tty, unsigned char c) put_tty_queue(c, ldata); smp_store_release(&ldata->canon_head, ldata->read_head); kill_fasync(&tty->fasync, SIGIO, POLL_IN); - wake_up_interruptible_poll(&tty->read_wait, EPOLLIN); + wake_up_interruptible_poll(&tty->read_wait, EPOLLIN | EPOLLRDNORM); return 0; } } @@ -1658,7 +1658,7 @@ static void __receive_buf(struct tty_struct *tty, const unsigned char *cp, if (read_cnt(ldata)) { kill_fasync(&tty->fasync, SIGIO, POLL_IN); - wake_up_interruptible_poll(&tty->read_wait, EPOLLIN); + wake_up_interruptible_poll(&tty->read_wait, EPOLLIN | EPOLLRDNORM); } } diff --git a/drivers/tty/serial/8250/8250_fintek.c b/drivers/tty/serial/8250/8250_fintek.c index 31c91c2f8c6e722c774f563cd3cb5ab7e92769f8..e24161004ddc120bad91a888e941849ca3aaa6d4 100644 --- a/drivers/tty/serial/8250/8250_fintek.c +++ b/drivers/tty/serial/8250/8250_fintek.c @@ -285,24 +285,6 @@ static void fintek_8250_set_max_fifo(struct fintek_8250 *pdata) } } -static void fintek_8250_goto_highspeed(struct uart_8250_port *uart, - struct fintek_8250 *pdata) -{ - sio_write_reg(pdata, LDN, pdata->index); - - switch (pdata->pid) { - case CHIP_ID_F81866: /* set uart clock for high speed serial mode */ - sio_write_mask_reg(pdata, F81866_UART_CLK, - F81866_UART_CLK_MASK, - F81866_UART_CLK_14_769MHZ); - - uart->port.uartclk = 921600 * 16; - break; - default: /* leave clock speed untouched */ - break; - } -} - static void fintek_8250_set_termios(struct uart_port *port, struct ktermios *termios, struct ktermios *old) @@ -422,7 +404,6 @@ static int probe_setup_port(struct fintek_8250 *pdata, fintek_8250_set_irq_mode(pdata, level_mode); fintek_8250_set_max_fifo(pdata); - fintek_8250_goto_highspeed(uart, pdata); fintek_8250_exit_key(addr[i]); diff --git a/drivers/tty/serial/8250/8250_of.c b/drivers/tty/serial/8250/8250_of.c index 9ba31701a372e76d74ef80b65574b4273d676eb5..a9b0a84b1e4339f0e37497eb7d55c77b29d53a1a 100644 --- a/drivers/tty/serial/8250/8250_of.c +++ b/drivers/tty/serial/8250/8250_of.c @@ -105,8 +105,17 @@ static int of_platform_serial_setup(struct platform_device *ofdev, port->mapsize = resource_size(&resource); /* Check for shifted address mapping */ - if (of_property_read_u32(np, "reg-offset", &prop) == 0) + if (of_property_read_u32(np, "reg-offset", &prop) == 0) { + if (prop >= port->mapsize) { + dev_warn(&ofdev->dev, "reg-offset %u exceeds region size %pa\n", + prop, &port->mapsize); + ret = -EINVAL; + goto err_unprepare; + } + port->mapbase += prop; + port->mapsize -= prop; + } port->iotype = UPIO_MEM; if (of_property_read_u32(np, "reg-io-width", &prop) == 0) { diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c index a2bb103f22fc67cd6c6b661e13071c29b8081c81..fd443bc4c298378bbd24bf1045fe759a7a716be8 100644 --- a/drivers/tty/serial/8250/8250_pci.c +++ b/drivers/tty/serial/8250/8250_pci.c @@ -1351,29 +1351,33 @@ pericom_do_set_divisor(struct uart_port *port, unsigned int baud, { int scr; int lcr; - int actual_baud; - int tolerance; - for (scr = 5 ; scr <= 15 ; scr++) { - actual_baud = 921600 * 16 / scr; - tolerance = actual_baud / 50; + for (scr = 16; scr > 4; scr--) { + unsigned int maxrate = port->uartclk / scr; + unsigned int divisor = max(maxrate / baud, 1U); + int delta = maxrate / divisor - baud; - if ((baud < actual_baud + tolerance) && - (baud > actual_baud - tolerance)) { + if (baud > maxrate + baud / 50) + continue; + if (delta > baud / 50) + divisor++; + + if (divisor > 0xffff) + continue; + + /* Update delta due to possible divisor change */ + delta = maxrate / divisor - baud; + if (abs(delta) < baud / 50) { lcr = serial_port_in(port, UART_LCR); serial_port_out(port, UART_LCR, lcr | 0x80); - - serial_port_out(port, UART_DLL, 1); - serial_port_out(port, UART_DLM, 0); + serial_port_out(port, UART_DLL, divisor & 0xff); + serial_port_out(port, UART_DLM, divisor >> 8 & 0xff); serial_port_out(port, 2, 16 - scr); serial_port_out(port, UART_LCR, lcr); return; - } else if (baud > actual_baud) { - break; } } - serial8250_do_set_divisor(port, baud, quot, quot_frac); } static int pci_pericom_setup(struct serial_private *priv, const struct pciserial_board *board, @@ -2285,12 +2289,19 @@ static struct pci_serial_quirk pci_serial_quirks[] __refdata = { .setup = pci_pericom_setup_four_at_eight, }, { - .vendor = PCI_DEVICE_ID_ACCESIO_PCIE_ICM_4S, + .vendor = PCI_VENDOR_ID_ACCESIO, .device = PCI_DEVICE_ID_ACCESIO_PCIE_ICM232_4, .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, .setup = pci_pericom_setup_four_at_eight, }, + { + .vendor = PCI_VENDOR_ID_ACCESIO, + .device = PCI_DEVICE_ID_ACCESIO_PCIE_ICM_4S, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + .setup = pci_pericom_setup_four_at_eight, + }, { .vendor = PCI_VENDOR_ID_ACCESIO, .device = PCI_DEVICE_ID_ACCESIO_MPCIE_ICM232_4, @@ -5119,8 +5130,30 @@ static const struct pci_device_id serial_pci_tbl[] = { { PCI_VENDOR_ID_INTASHIELD, PCI_DEVICE_ID_INTASHIELD_IS400, PCI_ANY_ID, PCI_ANY_ID, 0, 0, /* 135a.0dc0 */ pbn_b2_4_115200 }, + /* Brainboxes Devices */ + /* + * Brainboxes UC-101 + */ + { PCI_VENDOR_ID_INTASHIELD, 0x0BA1, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + pbn_b2_2_115200 }, + /* + * Brainboxes UC-235/246 + */ + { PCI_VENDOR_ID_INTASHIELD, 0x0AA1, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + pbn_b2_1_115200 }, + /* + * Brainboxes UC-257 + */ + { PCI_VENDOR_ID_INTASHIELD, 0x0861, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + pbn_b2_2_115200 }, /* - * BrainBoxes UC-260 + * Brainboxes UC-260/271/701/756 */ { PCI_VENDOR_ID_INTASHIELD, 0x0D21, PCI_ANY_ID, PCI_ANY_ID, @@ -5128,7 +5161,81 @@ static const struct pci_device_id serial_pci_tbl[] = { pbn_b2_4_115200 }, { PCI_VENDOR_ID_INTASHIELD, 0x0E34, PCI_ANY_ID, PCI_ANY_ID, - PCI_CLASS_COMMUNICATION_MULTISERIAL << 8, 0xffff00, + PCI_CLASS_COMMUNICATION_MULTISERIAL << 8, 0xffff00, + pbn_b2_4_115200 }, + /* + * Brainboxes UC-268 + */ + { PCI_VENDOR_ID_INTASHIELD, 0x0841, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + pbn_b2_4_115200 }, + /* + * Brainboxes UC-275/279 + */ + { PCI_VENDOR_ID_INTASHIELD, 0x0881, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + pbn_b2_8_115200 }, + /* + * Brainboxes UC-302 + */ + { PCI_VENDOR_ID_INTASHIELD, 0x08E1, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + pbn_b2_2_115200 }, + /* + * Brainboxes UC-310 + */ + { PCI_VENDOR_ID_INTASHIELD, 0x08C1, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + pbn_b2_2_115200 }, + /* + * Brainboxes UC-313 + */ + { PCI_VENDOR_ID_INTASHIELD, 0x08A3, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + pbn_b2_2_115200 }, + /* + * Brainboxes UC-320/324 + */ + { PCI_VENDOR_ID_INTASHIELD, 0x0A61, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + pbn_b2_1_115200 }, + /* + * Brainboxes UC-346 + */ + { PCI_VENDOR_ID_INTASHIELD, 0x0B02, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + pbn_b2_4_115200 }, + /* + * Brainboxes UC-357 + */ + { PCI_VENDOR_ID_INTASHIELD, 0x0A81, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + pbn_b2_2_115200 }, + { PCI_VENDOR_ID_INTASHIELD, 0x0A83, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + pbn_b2_2_115200 }, + /* + * Brainboxes UC-368 + */ + { PCI_VENDOR_ID_INTASHIELD, 0x0C41, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + pbn_b2_4_115200 }, + /* + * Brainboxes UC-420/431 + */ + { PCI_VENDOR_ID_INTASHIELD, 0x0921, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, pbn_b2_4_115200 }, /* * Perle PCI-RAS cards diff --git a/drivers/tty/serial/amba-pl010.c b/drivers/tty/serial/amba-pl010.c index 2c37d11726aba666d88933a7cf9e0a534d6c8f49..13f882e5e7b76ba318a4149721889b26a006718b 100644 --- a/drivers/tty/serial/amba-pl010.c +++ b/drivers/tty/serial/amba-pl010.c @@ -452,14 +452,11 @@ pl010_set_termios(struct uart_port *port, struct ktermios *termios, if ((termios->c_cflag & CREAD) == 0) uap->port.ignore_status_mask |= UART_DUMMY_RSR_RX; - /* first, disable everything */ old_cr = readb(uap->port.membase + UART010_CR) & ~UART010_CR_MSIE; if (UART_ENABLE_MS(port, termios->c_cflag)) old_cr |= UART010_CR_MSIE; - writel(0, uap->port.membase + UART010_CR); - /* Set baud rate */ quot -= 1; writel((quot & 0xf00) >> 8, uap->port.membase + UART010_LCRM); diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c index 16720c97a4ddee0fa851e9695f76efe3ea31558e..0bd8c05d72d60a11a1c9b2e4c4759f5556e11891 100644 --- a/drivers/tty/serial/amba-pl011.c +++ b/drivers/tty/serial/amba-pl011.c @@ -2094,32 +2094,13 @@ static const char *pl011_type(struct uart_port *port) return uap->port.type == PORT_AMBA ? uap->type : NULL; } -/* - * Release the memory region(s) being used by 'port' - */ -static void pl011_release_port(struct uart_port *port) -{ - release_mem_region(port->mapbase, SZ_4K); -} - -/* - * Request the memory region(s) being used by 'port' - */ -static int pl011_request_port(struct uart_port *port) -{ - return request_mem_region(port->mapbase, SZ_4K, "uart-pl011") - != NULL ? 0 : -EBUSY; -} - /* * Configure/autoconfigure the port. */ static void pl011_config_port(struct uart_port *port, int flags) { - if (flags & UART_CONFIG_TYPE) { + if (flags & UART_CONFIG_TYPE) port->type = PORT_AMBA; - pl011_request_port(port); - } } /* @@ -2134,6 +2115,8 @@ static int pl011_verify_port(struct uart_port *port, struct serial_struct *ser) ret = -EINVAL; if (ser->baud_base < 9600) ret = -EINVAL; + if (port->mapbase != (unsigned long) ser->iomem_base) + ret = -EINVAL; return ret; } @@ -2151,8 +2134,6 @@ static const struct uart_ops amba_pl011_pops = { .flush_buffer = pl011_dma_flush_buffer, .set_termios = pl011_set_termios, .type = pl011_type, - .release_port = pl011_release_port, - .request_port = pl011_request_port, .config_port = pl011_config_port, .verify_port = pl011_verify_port, #ifdef CONFIG_CONSOLE_POLL @@ -2182,8 +2163,6 @@ static const struct uart_ops sbsa_uart_pops = { .shutdown = sbsa_uart_shutdown, .set_termios = sbsa_uart_set_termios, .type = pl011_type, - .release_port = pl011_release_port, - .request_port = pl011_request_port, .config_port = pl011_config_port, .verify_port = pl011_verify_port, #ifdef CONFIG_CONSOLE_POLL @@ -2770,6 +2749,7 @@ MODULE_DEVICE_TABLE(of, sbsa_uart_of_match); static const struct acpi_device_id sbsa_uart_acpi_match[] = { { "ARMH0011", 0 }, + { "ARMHB000", 0 }, {}, }; MODULE_DEVICE_TABLE(acpi, sbsa_uart_acpi_match); diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c index 8a909d5561859478611937eecb36caa8dbaaa11c..3b2c25bd2e06b4a1eff9bf5cf6807f36ecc1c22a 100644 --- a/drivers/tty/serial/atmel_serial.c +++ b/drivers/tty/serial/atmel_serial.c @@ -1002,6 +1002,13 @@ static void atmel_tx_dma(struct uart_port *port) desc->callback = atmel_complete_tx_dma; desc->callback_param = atmel_port; atmel_port->cookie_tx = dmaengine_submit(desc); + if (dma_submit_error(atmel_port->cookie_tx)) { + dev_err(port->dev, "dma_submit_error %d\n", + atmel_port->cookie_tx); + return; + } + + dma_async_issue_pending(chan); } if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) @@ -1262,6 +1269,13 @@ static int atmel_prepare_rx_dma(struct uart_port *port) desc->callback_param = port; atmel_port->desc_rx = desc; atmel_port->cookie_rx = dmaengine_submit(desc); + if (dma_submit_error(atmel_port->cookie_rx)) { + dev_err(port->dev, "dma_submit_error %d\n", + atmel_port->cookie_rx); + goto chan_err; + } + + dma_async_issue_pending(atmel_port->chan_rx); return 0; diff --git a/drivers/tty/serial/msm_serial.c b/drivers/tty/serial/msm_serial.c index e0718ee5d42a7ab9448297b77c94d5a99a454a14..5129c2dfbe07940897e22ff878af7e21a1017faf 100644 --- a/drivers/tty/serial/msm_serial.c +++ b/drivers/tty/serial/msm_serial.c @@ -603,6 +603,9 @@ static void msm_start_rx_dma(struct msm_port *msm_port) u32 val; int ret; + if (IS_ENABLED(CONFIG_CONSOLE_POLL)) + return; + if (!dma->chan) return; diff --git a/drivers/tty/serial/serial-tegra.c b/drivers/tty/serial/serial-tegra.c index 64f18bf1e694a8cc6c493a6c7b516c079ad4f551..74c21152367ae0a01153dafb28bb6ff9b468c069 100644 --- a/drivers/tty/serial/serial-tegra.c +++ b/drivers/tty/serial/serial-tegra.c @@ -1494,7 +1494,7 @@ static struct tegra_uart_chip_data tegra20_uart_chip_data = { .fifo_mode_enable_status = false, .uart_max_port = 5, .max_dma_burst_bytes = 4, - .error_tolerance_low_range = 0, + .error_tolerance_low_range = -4, .error_tolerance_high_range = 4, }; @@ -1505,7 +1505,7 @@ static struct tegra_uart_chip_data tegra30_uart_chip_data = { .fifo_mode_enable_status = false, .uart_max_port = 5, .max_dma_burst_bytes = 4, - .error_tolerance_low_range = 0, + .error_tolerance_low_range = -4, .error_tolerance_high_range = 4, }; diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index 177f9a73ec227255e17ed6a7604750406052f1cc..fa0877a5e29fd840c5ecc20509957dead600117d 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -160,7 +160,7 @@ static void uart_port_dtr_rts(struct uart_port *uport, int raise) int RTS_after_send = !!(uport->rs485.flags & SER_RS485_RTS_AFTER_SEND); if (raise) { - if (rs485_on && !RTS_after_send) { + if (rs485_on && RTS_after_send) { uart_set_mctrl(uport, TIOCM_DTR); uart_clear_mctrl(uport, TIOCM_RTS); } else { @@ -169,7 +169,7 @@ static void uart_port_dtr_rts(struct uart_port *uport, int raise) } else { unsigned int clear = TIOCM_DTR; - clear |= (!rs485_on || !RTS_after_send) ? TIOCM_RTS : 0; + clear |= (!rs485_on || RTS_after_send) ? TIOCM_RTS : 0; uart_clear_mctrl(uport, clear); } } @@ -1566,6 +1566,7 @@ static void uart_tty_port_shutdown(struct tty_port *port) { struct uart_state *state = container_of(port, struct uart_state, port); struct uart_port *uport = uart_port_check(state); + char *buf; /* * At this point, we stop accepting input. To do this, we @@ -1587,8 +1588,18 @@ static void uart_tty_port_shutdown(struct tty_port *port) */ tty_port_set_suspended(port, 0); - uart_change_pm(state, UART_PM_STATE_OFF); + /* + * Free the transmit buffer. + */ + spin_lock_irq(&uport->lock); + buf = state->xmit.buf; + state->xmit.buf = NULL; + spin_unlock_irq(&uport->lock); + + if (buf) + free_page((unsigned long)buf); + uart_change_pm(state, UART_PM_STATE_OFF); } static void uart_wait_until_sent(struct tty_struct *tty, int timeout) @@ -2372,7 +2383,8 @@ uart_configure_port(struct uart_driver *drv, struct uart_state *state, * We probably don't need a spinlock around this, but */ spin_lock_irqsave(&port->lock, flags); - port->ops->set_mctrl(port, port->mctrl & TIOCM_DTR); + port->mctrl &= TIOCM_DTR; + port->ops->set_mctrl(port, port->mctrl); spin_unlock_irqrestore(&port->lock, flags); /* diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c index 23b7bdae173c80784263d5023d9f88bddffdb8bf..d517b911cd04223fd43e0b1ddf40ccb4de222a6f 100644 --- a/drivers/tty/serial/stm32-usart.c +++ b/drivers/tty/serial/stm32-usart.c @@ -536,7 +536,7 @@ static void stm32_start_tx(struct uart_port *port) { struct circ_buf *xmit = &port->state->xmit; - if (uart_circ_empty(xmit)) + if (uart_circ_empty(xmit) && !port->x_char) return; stm32_transmit_chars(port); diff --git a/drivers/tty/serial/uartlite.c b/drivers/tty/serial/uartlite.c index 56066d93a65b856bd104477c11db3ce53a3bec89..9a4049c894f7a59e4c8c165847706424589ae579 100644 --- a/drivers/tty/serial/uartlite.c +++ b/drivers/tty/serial/uartlite.c @@ -618,7 +618,7 @@ static struct uart_driver ulite_uart_driver = { * * Returns: 0 on success, <0 otherwise */ -static int ulite_assign(struct device *dev, int id, u32 base, int irq, +static int ulite_assign(struct device *dev, int id, phys_addr_t base, int irq, struct uartlite_data *pdata) { struct uart_port *port; diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c index ec145a59f19938dfef23e96e98aa3ab7475f2743..bb148dbfbb88f2dedf6256dc5060812c320c0ff1 100644 --- a/drivers/tty/tty_buffer.c +++ b/drivers/tty/tty_buffer.c @@ -534,6 +534,9 @@ static void flush_to_ldisc(struct work_struct *work) if (!count) break; head->read += count; + + if (need_resched()) + cond_resched(); } mutex_unlock(&buf->lock); diff --git a/drivers/tty/vt/vt_ioctl.c b/drivers/tty/vt/vt_ioctl.c index 167c72726c5a0b191e26b5d4cc5f38a0b9af19e0..312857168dad3d78b5a9c01d8bdb26fd847b59a0 100644 --- a/drivers/tty/vt/vt_ioctl.c +++ b/drivers/tty/vt/vt_ioctl.c @@ -691,6 +691,7 @@ int vt_ioctl(struct tty_struct *tty, ret = -ENXIO; else { arg--; + arg = array_index_nospec(arg, MAX_NR_CONSOLES); console_lock(); ret = vc_allocate(arg); console_unlock(); @@ -715,9 +716,9 @@ int vt_ioctl(struct tty_struct *tty, if (vsa.console == 0 || vsa.console > MAX_NR_CONSOLES) ret = -ENXIO; else { - vsa.console = array_index_nospec(vsa.console, - MAX_NR_CONSOLES + 1); vsa.console--; + vsa.console = array_index_nospec(vsa.console, + MAX_NR_CONSOLES); console_lock(); ret = vc_allocate(vsa.console); if (ret == 0) { diff --git a/drivers/usb/common/ulpi.c b/drivers/usb/common/ulpi.c index 9a2ab6751a23c504177fbac78cc7e95cdb21a1ae..c42c152bbc33570fd8e69c82688090de4de737dc 100644 --- a/drivers/usb/common/ulpi.c +++ b/drivers/usb/common/ulpi.c @@ -39,8 +39,11 @@ static int ulpi_match(struct device *dev, struct device_driver *driver) struct ulpi *ulpi = to_ulpi_dev(dev); const struct ulpi_device_id *id; - /* Some ULPI devices don't have a vendor id so rely on OF match */ - if (ulpi->id.vendor == 0) + /* + * Some ULPI devices don't have a vendor id + * or provide an id_table so rely on OF match. + */ + if (ulpi->id.vendor == 0 || !drv->id_table) return of_driver_match_device(dev, driver); for (id = drv->id_table; id->vendor; id++) @@ -129,6 +132,7 @@ static const struct attribute_group *ulpi_dev_attr_groups[] = { static void ulpi_dev_release(struct device *dev) { + of_node_put(dev->of_node); kfree(to_ulpi_dev(dev)); } @@ -245,12 +249,16 @@ static int ulpi_register(struct device *dev, struct ulpi *ulpi) return ret; ret = ulpi_read_id(ulpi); - if (ret) + if (ret) { + of_node_put(ulpi->dev.of_node); return ret; + } ret = device_register(&ulpi->dev); - if (ret) + if (ret) { + put_device(&ulpi->dev); return ret; + } dev_dbg(&ulpi->dev, "registered ULPI PHY: vendor %04x, product %04x\n", ulpi->id.vendor, ulpi->id.product); @@ -297,7 +305,6 @@ EXPORT_SYMBOL_GPL(ulpi_register_interface); */ void ulpi_unregister_interface(struct ulpi *ulpi) { - of_node_put(ulpi->dev.of_node); device_unregister(&ulpi->dev); } EXPORT_SYMBOL_GPL(ulpi_unregister_interface); diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c index c68217b7dace425b70c300ddbe85548f8b53ff30..a8d97773d3d98a905833311bd10900e8b51091e0 100644 --- a/drivers/usb/core/config.c +++ b/drivers/usb/core/config.c @@ -409,7 +409,7 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, * the USB-2 spec requires such endpoints to have wMaxPacketSize = 0 * (see the end of section 5.6.3), so don't warn about them. */ - maxp = usb_endpoint_maxp(&endpoint->desc); + maxp = le16_to_cpu(endpoint->desc.wMaxPacketSize); if (maxp == 0 && !(usb_endpoint_xfer_isoc(d) && asnum == 0)) { dev_warn(ddev, "config %d interface %d altsetting %d endpoint 0x%X has invalid wMaxPacketSize 0\n", cfgno, inum, asnum, d->bEndpointAddress); @@ -425,9 +425,9 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, maxpacket_maxes = full_speed_maxpacket_maxes; break; case USB_SPEED_HIGH: - /* Bits 12..11 are allowed only for HS periodic endpoints */ + /* Multiple-transactions bits are allowed only for HS periodic endpoints */ if (usb_endpoint_xfer_int(d) || usb_endpoint_xfer_isoc(d)) { - i = maxp & (BIT(12) | BIT(11)); + i = maxp & USB_EP_MAXP_MULT_MASK; maxp &= ~i; } /* fallthrough */ diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index d0f45600b669813915810a5a4569426ee13d4d4e..39203f2ce6a19c0174680949558d3a5543af60c4 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -753,6 +753,7 @@ void usb_hcd_poll_rh_status(struct usb_hcd *hcd) { struct urb *urb; int length; + int status; unsigned long flags; char buffer[6]; /* Any root hubs with > 31 ports? */ @@ -770,11 +771,17 @@ void usb_hcd_poll_rh_status(struct usb_hcd *hcd) if (urb) { clear_bit(HCD_FLAG_POLL_PENDING, &hcd->flags); hcd->status_urb = NULL; + if (urb->transfer_buffer_length >= length) { + status = 0; + } else { + status = -EOVERFLOW; + length = urb->transfer_buffer_length; + } urb->actual_length = length; memcpy(urb->transfer_buffer, buffer, length); usb_hcd_unlink_urb_from_ep(hcd, urb); - usb_hcd_giveback_urb(hcd, urb, 0); + usb_hcd_giveback_urb(hcd, urb, status); } else { length = 0; set_bit(HCD_FLAG_POLL_PENDING, &hcd->flags); @@ -1560,6 +1567,13 @@ int usb_hcd_submit_urb (struct urb *urb, gfp_t mem_flags) urb->hcpriv = NULL; INIT_LIST_HEAD(&urb->urb_list); atomic_dec(&urb->use_count); + /* + * Order the write of urb->use_count above before the read + * of urb->reject below. Pairs with the memory barriers in + * usb_kill_urb() and usb_poison_urb(). + */ + smp_mb__after_atomic(); + atomic_dec(&urb->dev->urbnum); if (atomic_read(&urb->reject)) wake_up(&usb_kill_urb_queue); @@ -1655,6 +1669,13 @@ static void __usb_hcd_giveback_urb(struct urb *urb) usb_anchor_resume_wakeups(anchor); atomic_dec(&urb->use_count); + /* + * Order the write of urb->use_count above before the read + * of urb->reject below. Pairs with the memory barriers in + * usb_kill_urb() and usb_poison_urb(). + */ + smp_mb__after_atomic(); + if (unlikely(atomic_read(&urb->reject))) wake_up(&usb_kill_urb_queue); usb_put_urb(urb); diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index fe4ea378d0f04946fc1190a51b28404d7dc4411e..91971f5fa9195ea4cec86e5f6c68339bdd4f9d2f 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -1109,7 +1109,10 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type) } else { hub_power_on(hub, true); } - } + /* Give some time on remote wakeup to let links to transit to U0 */ + } else if (hub_is_superspeed(hub->hdev)) + msleep(20); + init2: /* @@ -1224,7 +1227,7 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type) */ if (portchange || (hub_is_superspeed(hub->hdev) && port_resumed)) - set_bit(port1, hub->change_bits); + set_bit(port1, hub->event_bits); } else if (udev->persist_enabled) { #ifdef CONFIG_PM @@ -4610,8 +4613,6 @@ hub_port_init(struct usb_hub *hub, struct usb_device *udev, int port1, if (oldspeed == USB_SPEED_LOW) delay = HUB_LONG_RESET_TIME; - mutex_lock(hcd->address0_mutex); - /* Reset the device; full speed may morph to high speed */ /* FIXME a USB 2.0 device may morph into SuperSpeed on reset. */ retval = hub_port_reset(hub, port1, udev, delay, false); @@ -4926,7 +4927,6 @@ hub_port_init(struct usb_hub *hub, struct usb_device *udev, int port1, hub_port_disable(hub, port1, 0); update_devnum(udev, devnum); /* for disconnect processing */ } - mutex_unlock(hcd->address0_mutex); return retval; } @@ -5016,6 +5016,7 @@ static void hub_port_connect(struct usb_hub *hub, int port1, u16 portstatus, struct usb_port *port_dev = hub->ports[port1 - 1]; struct usb_device *udev = port_dev->child; static int unreliable_port = -1; + bool retry_locked; /* Disconnect any existing devices under this port */ if (udev) { @@ -5071,7 +5072,11 @@ static void hub_port_connect(struct usb_hub *hub, int port1, u16 portstatus, unit_load = 100; status = 0; + for (i = 0; i < SET_CONFIG_TRIES; i++) { + usb_lock_port(port_dev); + mutex_lock(hcd->address0_mutex); + retry_locked = true; /* reallocate for each attempt, since references * to the previous one can escape in various ways @@ -5080,6 +5085,8 @@ static void hub_port_connect(struct usb_hub *hub, int port1, u16 portstatus, if (!udev) { dev_err(&port_dev->dev, "couldn't allocate usb_device\n"); + mutex_unlock(hcd->address0_mutex); + usb_unlock_port(port_dev); goto done; } @@ -5101,12 +5108,14 @@ static void hub_port_connect(struct usb_hub *hub, int port1, u16 portstatus, } /* reset (non-USB 3.0 devices) and get descriptor */ - usb_lock_port(port_dev); status = hub_port_init(hub, udev, port1, i); - usb_unlock_port(port_dev); if (status < 0) goto loop; + mutex_unlock(hcd->address0_mutex); + usb_unlock_port(port_dev); + retry_locked = false; + if (udev->quirks & USB_QUIRK_DELAY_INIT) msleep(2000); @@ -5199,6 +5208,10 @@ static void hub_port_connect(struct usb_hub *hub, int port1, u16 portstatus, usb_ep0_reinit(udev); release_devnum(udev); hub_free_dev(udev); + if (retry_locked) { + mutex_unlock(hcd->address0_mutex); + usb_unlock_port(port_dev); + } usb_put_dev(udev); if ((status == -ENOTCONN) || (status == -ENOTSUPP)) break; @@ -5799,6 +5812,8 @@ static int usb_reset_and_verify_device(struct usb_device *udev) bos = udev->bos; udev->bos = NULL; + mutex_lock(hcd->address0_mutex); + for (i = 0; i < SET_CONFIG_TRIES; ++i) { /* ep0 maxpacket size may change; let the HCD know about it. @@ -5808,6 +5823,7 @@ static int usb_reset_and_verify_device(struct usb_device *udev) if (ret >= 0 || ret == -ENOTCONN || ret == -ENODEV) break; } + mutex_unlock(hcd->address0_mutex); if (ret < 0) goto re_enumerate; diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index d97544fd339b164da49d489f22015900309ce386..a118c44c70e1e992d0d22a79a3c359959ac9eb4a 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -435,6 +435,12 @@ static const struct usb_device_id usb_quirk_list[] = { { USB_DEVICE(0x1532, 0x0116), .driver_info = USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL }, + /* Lenovo USB-C to Ethernet Adapter RTL8153-04 */ + { USB_DEVICE(0x17ef, 0x720c), .driver_info = USB_QUIRK_NO_LPM }, + + /* Lenovo Powered USB-C Travel Hub (4X90S92381, RTL8153 GigE) */ + { USB_DEVICE(0x17ef, 0x721e), .driver_info = USB_QUIRK_NO_LPM }, + /* Lenovo ThinkCenter A630Z TI024Gen3 usb-audio */ { USB_DEVICE(0x17ef, 0xa012), .driver_info = USB_QUIRK_DISCONNECT_SUSPEND }, diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c index 31ca5abb4c12a0c7a16acab713a2a5aa91ea1b74..0045bbc3627dd84715be0cf7ef89a265ef89f191 100644 --- a/drivers/usb/core/urb.c +++ b/drivers/usb/core/urb.c @@ -691,6 +691,12 @@ void usb_kill_urb(struct urb *urb) if (!(urb && urb->dev && urb->ep)) return; atomic_inc(&urb->reject); + /* + * Order the write of urb->reject above before the read + * of urb->use_count below. Pairs with the barriers in + * __usb_hcd_giveback_urb() and usb_hcd_submit_urb(). + */ + smp_mb__after_atomic(); usb_hcd_unlink_urb(urb, -ENOENT); wait_event(usb_kill_urb_queue, atomic_read(&urb->use_count) == 0); @@ -732,6 +738,12 @@ void usb_poison_urb(struct urb *urb) if (!urb) return; atomic_inc(&urb->reject); + /* + * Order the write of urb->reject above before the read + * of urb->use_count below. Pairs with the barriers in + * __usb_hcd_giveback_urb() and usb_hcd_submit_urb(). + */ + smp_mb__after_atomic(); if (!urb->dev || !urb->ep) return; diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index e8b25dae09499234d9cf956e67fc0dc8985f7419..379bbf27c7ce87424eb7439d8abe322cb0402149 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -1198,6 +1198,8 @@ static void dwc2_hsotg_start_req(struct dwc2_hsotg *hsotg, } ctrl |= DXEPCTL_CNAK; } else { + hs_req->req.frame_number = hs_ep->target_frame; + hs_req->req.actual = 0; dwc2_hsotg_complete_request(hsotg, hs_ep, hs_req, -ENODATA); return; } @@ -2855,9 +2857,12 @@ static void dwc2_gadget_handle_ep_disabled(struct dwc2_hsotg_ep *hs_ep) do { hs_req = get_ep_head(hs_ep); - if (hs_req) + if (hs_req) { + hs_req->req.frame_number = hs_ep->target_frame; + hs_req->req.actual = 0; dwc2_hsotg_complete_request(hsotg, hs_ep, hs_req, -ENODATA); + } dwc2_gadget_incr_frame_num(hs_ep); /* Update current frame number value. */ hsotg->frame_number = dwc2_hsotg_read_frameno(hsotg); @@ -2910,8 +2915,11 @@ static void dwc2_gadget_handle_out_token_ep_disabled(struct dwc2_hsotg_ep *ep) while (dwc2_gadget_target_frame_elapsed(ep)) { hs_req = get_ep_head(ep); - if (hs_req) + if (hs_req) { + hs_req->req.frame_number = ep->target_frame; + hs_req->req.actual = 0; dwc2_hsotg_complete_request(hsotg, ep, hs_req, -ENODATA); + } dwc2_gadget_incr_frame_num(ep); /* Update current frame number value. */ @@ -3000,8 +3008,11 @@ static void dwc2_gadget_handle_nak(struct dwc2_hsotg_ep *hs_ep) while (dwc2_gadget_target_frame_elapsed(hs_ep)) { hs_req = get_ep_head(hs_ep); - if (hs_req) + if (hs_req) { + hs_req->req.frame_number = hs_ep->target_frame; + hs_req->req.actual = 0; dwc2_hsotg_complete_request(hsotg, hs_ep, hs_req, -ENODATA); + } dwc2_gadget_incr_frame_num(hs_ep); /* Update current frame number value. */ @@ -4968,7 +4979,7 @@ int dwc2_hsotg_suspend(struct dwc2_hsotg *hsotg) hsotg->gadget.speed = USB_SPEED_UNKNOWN; spin_unlock_irqrestore(&hsotg->lock, flags); - for (ep = 0; ep < hsotg->num_of_eps; ep++) { + for (ep = 1; ep < hsotg->num_of_eps; ep++) { if (hsotg->eps_in[ep]) dwc2_hsotg_ep_disable_lock(&hsotg->eps_in[ep]->ep); if (hsotg->eps_out[ep]) diff --git a/drivers/usb/dwc2/hcd_queue.c b/drivers/usb/dwc2/hcd_queue.c index 68bbac64b7536aec43574d543be8ff758b718fa9..94af71e9856f2e8cce5f89735c4c1c0e9f429ffa 100644 --- a/drivers/usb/dwc2/hcd_queue.c +++ b/drivers/usb/dwc2/hcd_queue.c @@ -59,7 +59,7 @@ #define DWC2_UNRESERVE_DELAY (msecs_to_jiffies(5)) /* If we get a NAK, wait this long before retrying */ -#define DWC2_RETRY_WAIT_DELAY 1*1E6L +#define DWC2_RETRY_WAIT_DELAY (1 * NSEC_PER_MSEC) /** * dwc2_periodic_channel_available() - Checks that a channel is available for a diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 39a9ad12cbbc83f2745d0f6eaadab662b90210bb..2367bf5a131074b5b47af55fb580e18f659a4f53 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -1020,6 +1020,19 @@ static void __dwc3_prepare_one_trb(struct dwc3_ep *dep, struct dwc3_trb *trb, if (usb_endpoint_xfer_bulk(dep->endpoint.desc) && dep->stream_capable) trb->ctrl |= DWC3_TRB_CTRL_SID_SOFN(stream_id); + /* + * As per data book 4.2.3.2TRB Control Bit Rules section + * + * The controller autonomously checks the HWO field of a TRB to determine if the + * entire TRB is valid. Therefore, software must ensure that the rest of the TRB + * is valid before setting the HWO field to '1'. In most systems, this means that + * software must update the fourth DWORD of a TRB last. + * + * However there is a possibility of CPU re-ordering here which can cause + * controller to observe the HWO bit set prematurely. + * Add a write memory barrier to prevent CPU re-ordering. + */ + wmb(); trb->ctrl |= DWC3_TRB_CTRL_HWO; dwc3_ep_inc_enq(dep); diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index 94ccf43368dfcefa4b8212c08c304c4a7391a591..5fd4fc49aef9fb73852728faa5dbbf0f0dff11e0 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -614,7 +614,7 @@ static int ffs_ep0_open(struct inode *inode, struct file *file) file->private_data = ffs; ffs_data_opened(ffs); - return 0; + return stream_open(inode, file); } static int ffs_ep0_release(struct inode *inode, struct file *file) @@ -1156,7 +1156,7 @@ ffs_epfile_open(struct inode *inode, struct file *file) file->private_data = epfile; ffs_data_opened(epfile->ffs); - return 0; + return stream_open(inode, file); } static int ffs_aio_cancel(struct kiocb *kiocb) @@ -1729,16 +1729,24 @@ static void ffs_data_put(struct ffs_data *ffs) static void ffs_data_closed(struct ffs_data *ffs) { + struct ffs_epfile *epfiles; + unsigned long flags; + ENTER(); if (atomic_dec_and_test(&ffs->opened)) { if (ffs->no_disconnect) { ffs->state = FFS_DEACTIVATED; - if (ffs->epfiles) { - ffs_epfiles_destroy(ffs->epfiles, - ffs->eps_count); - ffs->epfiles = NULL; - } + spin_lock_irqsave(&ffs->eps_lock, flags); + epfiles = ffs->epfiles; + ffs->epfiles = NULL; + spin_unlock_irqrestore(&ffs->eps_lock, + flags); + + if (epfiles) + ffs_epfiles_destroy(epfiles, + ffs->eps_count); + if (ffs->setup_state == FFS_SETUP_PENDING) __ffs_ep0_stall(ffs); } else { @@ -1785,17 +1793,34 @@ static struct ffs_data *ffs_data_new(const char *dev_name) static void ffs_data_clear(struct ffs_data *ffs) { + struct ffs_epfile *epfiles; + unsigned long flags; + ENTER(); ffs_closed(ffs); BUG_ON(ffs->gadget); - if (ffs->epfiles) - ffs_epfiles_destroy(ffs->epfiles, ffs->eps_count); + spin_lock_irqsave(&ffs->eps_lock, flags); + epfiles = ffs->epfiles; + ffs->epfiles = NULL; + spin_unlock_irqrestore(&ffs->eps_lock, flags); - if (ffs->ffs_eventfd) + /* + * potential race possible between ffs_func_eps_disable + * & ffs_epfile_release therefore maintaining a local + * copy of epfile will save us from use-after-free. + */ + if (epfiles) { + ffs_epfiles_destroy(epfiles, ffs->eps_count); + ffs->epfiles = NULL; + } + + if (ffs->ffs_eventfd) { eventfd_ctx_put(ffs->ffs_eventfd); + ffs->ffs_eventfd = NULL; + } kfree(ffs->raw_descs_data); kfree(ffs->raw_strings); @@ -1808,7 +1833,6 @@ static void ffs_data_reset(struct ffs_data *ffs) ffs_data_clear(ffs); - ffs->epfiles = NULL; ffs->raw_descs_data = NULL; ffs->raw_descs = NULL; ffs->raw_strings = NULL; @@ -1937,12 +1961,15 @@ static void ffs_epfiles_destroy(struct ffs_epfile *epfiles, unsigned count) static void ffs_func_eps_disable(struct ffs_function *func) { - struct ffs_ep *ep = func->eps; - struct ffs_epfile *epfile = func->ffs->epfiles; - unsigned count = func->ffs->eps_count; + struct ffs_ep *ep; + struct ffs_epfile *epfile; + unsigned short count; unsigned long flags; spin_lock_irqsave(&func->ffs->eps_lock, flags); + count = func->ffs->eps_count; + epfile = func->ffs->epfiles; + ep = func->eps; while (count--) { /* pending requests get nuked */ if (likely(ep->ep)) @@ -1960,14 +1987,18 @@ static void ffs_func_eps_disable(struct ffs_function *func) static int ffs_func_eps_enable(struct ffs_function *func) { - struct ffs_data *ffs = func->ffs; - struct ffs_ep *ep = func->eps; - struct ffs_epfile *epfile = ffs->epfiles; - unsigned count = ffs->eps_count; + struct ffs_data *ffs; + struct ffs_ep *ep; + struct ffs_epfile *epfile; + unsigned short count; unsigned long flags; int ret = 0; spin_lock_irqsave(&func->ffs->eps_lock, flags); + ffs = func->ffs; + ep = func->eps; + epfile = ffs->epfiles; + count = ffs->eps_count; while(count--) { ep->ep->driver_data = ep; diff --git a/drivers/usb/gadget/function/f_sourcesink.c b/drivers/usb/gadget/function/f_sourcesink.c index 282737e4609ce85cc3ee16b491de22f99f5b65dd..2c65a9bb3c81bc52a5cd073b758b90deba5c714f 100644 --- a/drivers/usb/gadget/function/f_sourcesink.c +++ b/drivers/usb/gadget/function/f_sourcesink.c @@ -583,6 +583,7 @@ static int source_sink_start_ep(struct f_sourcesink *ss, bool is_in, if (is_iso) { switch (speed) { + case USB_SPEED_SUPER_PLUS: case USB_SPEED_SUPER: size = ss->isoc_maxpacket * (ss->isoc_mult + 1) * diff --git a/drivers/usb/gadget/function/f_uac2.c b/drivers/usb/gadget/function/f_uac2.c index dd960cea642f3ae0fc5b5080734138ba481762cf..11cc6056b5902ddbdd28bfc670d176138f5c0177 100644 --- a/drivers/usb/gadget/function/f_uac2.c +++ b/drivers/usb/gadget/function/f_uac2.c @@ -176,7 +176,7 @@ static struct uac2_input_terminal_descriptor io_in_it_desc = { .bDescriptorSubtype = UAC_INPUT_TERMINAL, /* .bTerminalID = DYNAMIC */ - .wTerminalType = cpu_to_le16(UAC_INPUT_TERMINAL_UNDEFINED), + .wTerminalType = cpu_to_le16(UAC_INPUT_TERMINAL_MICROPHONE), .bAssocTerminal = 0, /* .bCSourceID = DYNAMIC */ .iChannelNames = 0, @@ -204,7 +204,7 @@ static struct uac2_output_terminal_descriptor io_out_ot_desc = { .bDescriptorSubtype = UAC_OUTPUT_TERMINAL, /* .bTerminalID = DYNAMIC */ - .wTerminalType = cpu_to_le16(UAC_OUTPUT_TERMINAL_UNDEFINED), + .wTerminalType = cpu_to_le16(UAC_OUTPUT_TERMINAL_SPEAKER), .bAssocTerminal = 0, /* .bSourceID = DYNAMIC */ /* .bCSourceID = DYNAMIC */ diff --git a/drivers/usb/gadget/function/u_ether.c b/drivers/usb/gadget/function/u_ether.c index 57da62e33184831d8a66e25e9ddc51f0190ed71c..271bd08f4a255b59683689c864f51a4488bb8c6e 100644 --- a/drivers/usb/gadget/function/u_ether.c +++ b/drivers/usb/gadget/function/u_ether.c @@ -860,19 +860,23 @@ int gether_register_netdev(struct net_device *net) { struct eth_dev *dev; struct usb_gadget *g; - struct sockaddr sa; int status; if (!net->dev.parent) return -EINVAL; dev = netdev_priv(net); g = dev->gadget; + + memcpy(net->dev_addr, dev->dev_mac, ETH_ALEN); + net->addr_assign_type = NET_ADDR_RANDOM; + status = register_netdev(net); if (status < 0) { dev_dbg(&g->dev, "register_netdev failed, %d\n", status); return status; } else { INFO(dev, "HOST MAC %pM\n", dev->host_mac); + INFO(dev, "MAC %pM\n", dev->dev_mac); /* two kinds of host-initiated state changes: * - iff DATA transfer is active, carrier is "on" @@ -880,15 +884,6 @@ int gether_register_netdev(struct net_device *net) */ netif_carrier_off(net); } - sa.sa_family = net->type; - memcpy(sa.sa_data, dev->dev_mac, ETH_ALEN); - rtnl_lock(); - status = dev_set_mac_address(net, &sa, NULL); - rtnl_unlock(); - if (status) - pr_warn("cannot set self ethernet address: %d\n", status); - else - INFO(dev, "MAC %pM\n", dev->dev_mac); return status; } diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c index b6653bc7acc26a5f4061ca8707410d4d6ffa11d9..0bbd180022aa7fb82ba8018e0fec01d43ad2b4c5 100644 --- a/drivers/usb/gadget/udc/renesas_usb3.c +++ b/drivers/usb/gadget/udc/renesas_usb3.c @@ -2363,6 +2363,8 @@ static void handle_ext_role_switch_states(struct device *dev, switch (role) { case USB_ROLE_NONE: usb3->connection_state = USB_ROLE_NONE; + if (cur_role == USB_ROLE_HOST) + device_release_driver(host); if (usb3->driver) usb3_disconnect(usb3); usb3_vbus_out(usb3, false); diff --git a/drivers/usb/host/max3421-hcd.c b/drivers/usb/host/max3421-hcd.c index 5ef0747225f6bf309be5a0ca6bba7b41462cf0bf..e0b25dd869094d9199180838e321c56ac5f4c516 100644 --- a/drivers/usb/host/max3421-hcd.c +++ b/drivers/usb/host/max3421-hcd.c @@ -125,8 +125,6 @@ struct max3421_hcd { struct task_struct *spi_thread; - struct max3421_hcd *next; - enum max3421_rh_state rh_state; /* lower 16 bits contain port status, upper 16 bits the change mask: */ u32 port_status; @@ -174,8 +172,6 @@ struct max3421_ep { u8 retransmit; /* packet needs retransmission */ }; -static struct max3421_hcd *max3421_hcd_list; - #define MAX3421_FIFO_SIZE 64 #define MAX3421_SPI_DIR_RD 0 /* read register from MAX3421 */ @@ -1882,9 +1878,8 @@ max3421_probe(struct spi_device *spi) } set_bit(HCD_FLAG_POLL_RH, &hcd->flags); max3421_hcd = hcd_to_max3421(hcd); - max3421_hcd->next = max3421_hcd_list; - max3421_hcd_list = max3421_hcd; INIT_LIST_HEAD(&max3421_hcd->ep_list); + spi_set_drvdata(spi, max3421_hcd); max3421_hcd->tx = kmalloc(sizeof(*max3421_hcd->tx), GFP_KERNEL); if (!max3421_hcd->tx) @@ -1934,28 +1929,18 @@ max3421_probe(struct spi_device *spi) static int max3421_remove(struct spi_device *spi) { - struct max3421_hcd *max3421_hcd = NULL, **prev; - struct usb_hcd *hcd = NULL; + struct max3421_hcd *max3421_hcd; + struct usb_hcd *hcd; unsigned long flags; - for (prev = &max3421_hcd_list; *prev; prev = &(*prev)->next) { - max3421_hcd = *prev; - hcd = max3421_to_hcd(max3421_hcd); - if (hcd->self.controller == &spi->dev) - break; - } - if (!max3421_hcd) { - dev_err(&spi->dev, "no MAX3421 HCD found for SPI device %p\n", - spi); - return -ENODEV; - } + max3421_hcd = spi_get_drvdata(spi); + hcd = max3421_to_hcd(max3421_hcd); usb_remove_hcd(hcd); spin_lock_irqsave(&max3421_hcd->lock, flags); kthread_stop(max3421_hcd->spi_thread); - *prev = max3421_hcd->next; spin_unlock_irqrestore(&max3421_hcd->lock, flags); diff --git a/drivers/usb/host/ohci-tmio.c b/drivers/usb/host/ohci-tmio.c index fed43c6dd85ccd1e0422b5494bd806d3bb8fc4cc..b611c8b09a89fc7126fbc8ba5968d520389d3ab0 100644 --- a/drivers/usb/host/ohci-tmio.c +++ b/drivers/usb/host/ohci-tmio.c @@ -199,7 +199,7 @@ static int ohci_hcd_tmio_drv_probe(struct platform_device *dev) if (usb_disabled()) return -ENODEV; - if (!cell) + if (!cell || !regs || !config || !sram) return -EINVAL; if (irq < 0) diff --git a/drivers/usb/host/uhci-platform.c b/drivers/usb/host/uhci-platform.c index 70dbd95c3f063a43db2035df59b152e66ea45984..be9e9db7cad1048f75aab2c01eb994a5171a6577 100644 --- a/drivers/usb/host/uhci-platform.c +++ b/drivers/usb/host/uhci-platform.c @@ -113,7 +113,8 @@ static int uhci_hcd_platform_probe(struct platform_device *pdev) num_ports); } if (of_device_is_compatible(np, "aspeed,ast2400-uhci") || - of_device_is_compatible(np, "aspeed,ast2500-uhci")) { + of_device_is_compatible(np, "aspeed,ast2500-uhci") || + of_device_is_compatible(np, "aspeed,ast2600-uhci")) { uhci->is_aspeed = 1; dev_info(&pdev->dev, "Enabled Aspeed implementation workarounds\n"); diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index 9a4260927ce3176e7bed7c23f4deb50729fe568a..48832f7f2fc3c10ae5edff78112b7878b2f3900f 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -629,6 +629,7 @@ static int xhci_enter_test_mode(struct xhci_hcd *xhci, continue; retval = xhci_disable_slot(xhci, i); + xhci_free_virt_device(xhci, i); if (retval) xhci_err(xhci, "Failed to disable slot %d, %d. Enter test mode anyway\n", i, retval); diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 06a563fbf403eb0468ebfe4398f18238fe7a50e0..3685bea1a1ea86564bfa96fff0179b25549b5be3 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -66,6 +66,8 @@ #define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_4 0x161e #define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_5 0x15d6 #define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_6 0x15d7 +#define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_7 0x161c +#define PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_8 0x161f #define PCI_DEVICE_ID_ASMEDIA_1042_XHCI 0x1042 #define PCI_DEVICE_ID_ASMEDIA_1042A_XHCI 0x1142 @@ -105,7 +107,6 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) /* Look for vendor-specific quirks */ if (pdev->vendor == PCI_VENDOR_ID_FRESCO_LOGIC && (pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_PDK || - pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_FL1100 || pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_FL1400)) { if (pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_PDK && pdev->revision == 0x0) { @@ -140,6 +141,10 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_FL1009) xhci->quirks |= XHCI_BROKEN_STREAMS; + if (pdev->vendor == PCI_VENDOR_ID_FRESCO_LOGIC && + pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_FL1100) + xhci->quirks |= XHCI_TRUST_TX_LENGTH; + if (pdev->vendor == PCI_VENDOR_ID_NEC) xhci->quirks |= XHCI_NEC_HOST; @@ -302,7 +307,9 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_3 || pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_4 || pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_5 || - pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_6)) + pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_6 || + pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_7 || + pdev->device == PCI_DEVICE_ID_AMD_YELLOW_CARP_XHCI_8)) xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW; if (xhci->quirks & XHCI_RESET_ON_RESUME) diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 2c92fd19e782206ed0e7ac1f571fb6f2eb343542..7fa27b4037560cdbc8276d9953fa54a8dec738a0 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -339,7 +339,9 @@ static void xhci_handle_stopped_cmd_ring(struct xhci_hcd *xhci, /* Must be called with xhci->lock held, releases and aquires lock back */ static int xhci_abort_cmd_ring(struct xhci_hcd *xhci, unsigned long flags) { - u32 temp_32; + struct xhci_segment *new_seg = xhci->cmd_ring->deq_seg; + union xhci_trb *new_deq = xhci->cmd_ring->dequeue; + u64 crcr; int ret; xhci_dbg(xhci, "Abort command ring\n"); @@ -348,13 +350,18 @@ static int xhci_abort_cmd_ring(struct xhci_hcd *xhci, unsigned long flags) /* * The control bits like command stop, abort are located in lower - * dword of the command ring control register. Limit the write - * to the lower dword to avoid corrupting the command ring pointer - * in case if the command ring is stopped by the time upper dword - * is written. + * dword of the command ring control register. + * Some controllers require all 64 bits to be written to abort the ring. + * Make sure the upper dword is valid, pointing to the next command, + * avoiding corrupting the command ring pointer in case the command ring + * is stopped by the time the upper dword is written. */ - temp_32 = readl(&xhci->op_regs->cmd_ring); - writel(temp_32 | CMD_RING_ABORT, &xhci->op_regs->cmd_ring); + next_trb(xhci, NULL, &new_seg, &new_deq); + if (trb_is_link(new_deq)) + next_trb(xhci, NULL, &new_seg, &new_deq); + + crcr = xhci_trb_virt_to_dma(new_seg, new_deq); + xhci_write_64(xhci, crcr | CMD_RING_ABORT, &xhci->op_regs->cmd_ring); /* Section 4.6.1.2 of xHCI 1.0 spec says software should also time the * completion of the Command Abort operation. If CRR is not negated in 5 @@ -1258,7 +1265,6 @@ static void xhci_handle_cmd_disable_slot(struct xhci_hcd *xhci, int slot_id) if (xhci->quirks & XHCI_EP_LIMIT_QUIRK) /* Delete default control endpoint resources */ xhci_free_device_endpoint_resources(xhci, virt_dev, true); - xhci_free_virt_device(xhci, slot_id); } static void xhci_handle_cmd_config_ep(struct xhci_hcd *xhci, int slot_id, diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 4bb850370bb6bb9e3549e5a15253843a977082fb..1c8070023161f895fb39638ba16b093994d450c0 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -3889,7 +3889,6 @@ static void xhci_free_dev(struct usb_hcd *hcd, struct usb_device *udev) struct xhci_slot_ctx *slot_ctx; int i, ret; -#ifndef CONFIG_USB_DEFAULT_PERSIST /* * We called pm_runtime_get_noresume when the device was attached. * Decrement the counter here to allow controller to runtime suspend @@ -3897,7 +3896,6 @@ static void xhci_free_dev(struct usb_hcd *hcd, struct usb_device *udev) */ if (xhci->quirks & XHCI_RESET_ON_RESUME) pm_runtime_put_noidle(hcd->self.controller); -#endif ret = xhci_check_args(hcd, udev, NULL, 0, true, __func__); /* If the host is halted due to driver unload, we still need to free the @@ -3916,9 +3914,8 @@ static void xhci_free_dev(struct usb_hcd *hcd, struct usb_device *udev) del_timer_sync(&virt_dev->eps[i].stop_cmd_timer); } virt_dev->udev = NULL; - ret = xhci_disable_slot(xhci, udev->slot_id); - if (ret) - xhci_free_virt_device(xhci, udev->slot_id); + xhci_disable_slot(xhci, udev->slot_id); + xhci_free_virt_device(xhci, udev->slot_id); } int xhci_disable_slot(struct xhci_hcd *xhci, u32 slot_id) @@ -3928,7 +3925,7 @@ int xhci_disable_slot(struct xhci_hcd *xhci, u32 slot_id) u32 state; int ret = 0; - command = xhci_alloc_command(xhci, false, GFP_KERNEL); + command = xhci_alloc_command(xhci, true, GFP_KERNEL); if (!command) return -ENOMEM; @@ -3953,6 +3950,15 @@ int xhci_disable_slot(struct xhci_hcd *xhci, u32 slot_id) } xhci_ring_cmd_db(xhci); spin_unlock_irqrestore(&xhci->lock, flags); + + wait_for_completion(command->completion); + + if (command->status != COMP_SUCCESS) + xhci_warn(xhci, "Unsuccessful disable slot %u command, status %d\n", + slot_id, command->status); + + xhci_free_command(xhci, command); + return ret; } @@ -4049,23 +4055,20 @@ int xhci_alloc_dev(struct usb_hcd *hcd, struct usb_device *udev) xhci_debugfs_create_slot(xhci, slot_id); -#ifndef CONFIG_USB_DEFAULT_PERSIST /* * If resetting upon resume, we can't put the controller into runtime * suspend if there is a device attached. */ if (xhci->quirks & XHCI_RESET_ON_RESUME) pm_runtime_get_noresume(hcd->self.controller); -#endif /* Is this a LS or FS device under a HS hub? */ /* Hub or peripherial? */ return 1; disable_slot: - ret = xhci_disable_slot(xhci, udev->slot_id); - if (ret) - xhci_free_virt_device(xhci, udev->slot_id); + xhci_disable_slot(xhci, udev->slot_id); + xhci_free_virt_device(xhci, udev->slot_id); return 0; } @@ -4195,6 +4198,7 @@ static int xhci_setup_device(struct usb_hcd *hcd, struct usb_device *udev, mutex_unlock(&xhci->mutex); ret = xhci_disable_slot(xhci, udev->slot_id); + xhci_free_virt_device(xhci, udev->slot_id); if (!ret) xhci_alloc_dev(hcd, udev); kfree(command->completion); diff --git a/drivers/usb/misc/ftdi-elan.c b/drivers/usb/misc/ftdi-elan.c index cdee3af33ad7b307ae9b3ec9b379b0d8875b6a27..684800c66bb4de32e90b877ff617ba04305e7013 100644 --- a/drivers/usb/misc/ftdi-elan.c +++ b/drivers/usb/misc/ftdi-elan.c @@ -202,6 +202,7 @@ static void ftdi_elan_delete(struct kref *kref) mutex_unlock(&ftdi_module_lock); kfree(ftdi->bulk_in_buffer); ftdi->bulk_in_buffer = NULL; + kfree(ftdi); } static void ftdi_elan_put_kref(struct usb_ftdi *ftdi) diff --git a/drivers/usb/mtu3/mtu3_gadget.c b/drivers/usb/mtu3/mtu3_gadget.c index 619c4598e64ea33a07f6e126d63a647deebc6ca0..061da9b82b96752ec478805600a4b30b8a46a797 100644 --- a/drivers/usb/mtu3/mtu3_gadget.c +++ b/drivers/usb/mtu3/mtu3_gadget.c @@ -85,7 +85,7 @@ static int mtu3_ep_enable(struct mtu3_ep *mep) if (usb_endpoint_xfer_int(desc) || usb_endpoint_xfer_isoc(desc)) { interval = desc->bInterval; - interval = clamp_val(interval, 1, 16) - 1; + interval = clamp_val(interval, 1, 16); if (usb_endpoint_xfer_isoc(desc) && comp_desc) mult = comp_desc->bmAttributes; } @@ -97,9 +97,16 @@ static int mtu3_ep_enable(struct mtu3_ep *mep) if (usb_endpoint_xfer_isoc(desc) || usb_endpoint_xfer_int(desc)) { interval = desc->bInterval; - interval = clamp_val(interval, 1, 16) - 1; + interval = clamp_val(interval, 1, 16); mult = usb_endpoint_maxp_mult(desc) - 1; } + break; + case USB_SPEED_FULL: + if (usb_endpoint_xfer_isoc(desc)) + interval = clamp_val(desc->bInterval, 1, 16); + else if (usb_endpoint_xfer_int(desc)) + interval = clamp_val(desc->bInterval, 1, 255); + break; default: break; /*others are ignored */ @@ -245,6 +252,7 @@ struct usb_request *mtu3_alloc_request(struct usb_ep *ep, gfp_t gfp_flags) mreq->request.dma = DMA_ADDR_INVALID; mreq->epnum = mep->epnum; mreq->mep = mep; + INIT_LIST_HEAD(&mreq->list); trace_mtu3_alloc_request(mreq); return &mreq->request; diff --git a/drivers/usb/mtu3/mtu3_qmu.c b/drivers/usb/mtu3/mtu3_qmu.c index 3f414f91b5899b7c936d5d127250c32cd858e96d..2ea3157ddb6e25b0301bf57a5af4a9128b7ccf8d 100644 --- a/drivers/usb/mtu3/mtu3_qmu.c +++ b/drivers/usb/mtu3/mtu3_qmu.c @@ -273,6 +273,8 @@ static int mtu3_prepare_tx_gpd(struct mtu3_ep *mep, struct mtu3_request *mreq) gpd->dw3_info |= cpu_to_le32(GPD_EXT_FLAG_ZLP); } + /* prevent reorder, make sure GPD's HWO is set last */ + mb(); gpd->dw0_info |= cpu_to_le32(GPD_FLAGS_IOC | GPD_FLAGS_HWO); mreq->gpd = gpd; @@ -306,6 +308,8 @@ static int mtu3_prepare_rx_gpd(struct mtu3_ep *mep, struct mtu3_request *mreq) gpd->next_gpd = cpu_to_le32(lower_32_bits(enq_dma)); ext_addr |= GPD_EXT_NGP(mtu, upper_32_bits(enq_dma)); gpd->dw3_info = cpu_to_le32(ext_addr); + /* prevent reorder, make sure GPD's HWO is set last */ + mb(); gpd->dw0_info |= cpu_to_le32(GPD_FLAGS_IOC | GPD_FLAGS_HWO); mreq->gpd = gpd; @@ -445,7 +449,8 @@ static void qmu_tx_zlp_error_handler(struct mtu3 *mtu, u8 epnum) return; } mtu3_setbits(mbase, MU3D_EP_TXCR0(mep->epnum), TX_TXPKTRDY); - + /* prevent reorder, make sure GPD's HWO is set last */ + mb(); /* by pass the current GDP */ gpd_current->dw0_info |= cpu_to_le32(GPD_FLAGS_BPS | GPD_FLAGS_HWO); diff --git a/drivers/usb/musb/tusb6010.c b/drivers/usb/musb/tusb6010.c index 25771243e034ce09839d7f2e9e9a3c5800c083e7..94ea5e7fc03e96da22279ba64330c8dc2beb8d50 100644 --- a/drivers/usb/musb/tusb6010.c +++ b/drivers/usb/musb/tusb6010.c @@ -1103,6 +1103,11 @@ static int tusb_musb_init(struct musb *musb) /* dma address for async dma */ mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!mem) { + pr_debug("no async dma resource?\n"); + ret = -ENODEV; + goto done; + } musb->async = mem->start; /* dma address for sync dma */ diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c index a82ba9cc0c724bdc505bff895ebeb49bb1d5d97a..a5c10fe9f72a19e2c8f17a854bd147711a9437bc 100644 --- a/drivers/usb/serial/ch341.c +++ b/drivers/usb/serial/ch341.c @@ -84,6 +84,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x1a86, 0x5523) }, { USB_DEVICE(0x1a86, 0x7522) }, { USB_DEVICE(0x1a86, 0x7523) }, + { USB_DEVICE(0x2184, 0x0057) }, { USB_DEVICE(0x4348, 0x5523) }, { USB_DEVICE(0x9986, 0x7523) }, { }, diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index 004b6598706b1a02b657905a475be31a73104c61..dfa7c504befe89c5c3ed1246ad667e5215b87f24 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -52,6 +52,7 @@ static int cp210x_port_remove(struct usb_serial_port *); static void cp210x_dtr_rts(struct usb_serial_port *p, int on); static const struct usb_device_id id_table[] = { + { USB_DEVICE(0x0404, 0x034C) }, /* NCR Retail IO Box */ { USB_DEVICE(0x045B, 0x0053) }, /* Renesas RX610 RX-Stick */ { USB_DEVICE(0x0471, 0x066A) }, /* AKTAKOM ACE-1001 cable */ { USB_DEVICE(0x0489, 0xE000) }, /* Pirelli Broadband S.p.A, DP-L10 SIP/GSM Mobile */ @@ -69,6 +70,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x0FCF, 0x1004) }, /* Dynastream ANT2USB */ { USB_DEVICE(0x0FCF, 0x1006) }, /* Dynastream ANT development board */ { USB_DEVICE(0x0FDE, 0xCA05) }, /* OWL Wireless Electricity Monitor CM-160 */ + { USB_DEVICE(0x106F, 0x0003) }, /* CPI / Money Controls Bulk Coin Recycler */ { USB_DEVICE(0x10A6, 0xAA26) }, /* Knock-off DCU-11 cable */ { USB_DEVICE(0x10AB, 0x10C5) }, /* Siemens MC60 Cable */ { USB_DEVICE(0x10B5, 0xAC70) }, /* Nokia CA-42 USB */ @@ -1552,6 +1554,8 @@ static int cp2105_gpioconf_init(struct usb_serial *serial) /* 2 banks of GPIO - One for the pins taken from each serial port */ if (intf_num == 0) { + priv->gc.ngpio = 2; + if (mode.eci == CP210X_PIN_MODE_MODEM) { /* mark all GPIOs of this interface as reserved */ priv->gpio_altfunc = 0xff; @@ -1562,8 +1566,9 @@ static int cp2105_gpioconf_init(struct usb_serial *serial) priv->gpio_pushpull = (u8)((le16_to_cpu(config.gpio_mode) & CP210X_ECI_GPIO_MODE_MASK) >> CP210X_ECI_GPIO_MODE_OFFSET); - priv->gc.ngpio = 2; } else if (intf_num == 1) { + priv->gc.ngpio = 3; + if (mode.sci == CP210X_PIN_MODE_MODEM) { /* mark all GPIOs of this interface as reserved */ priv->gpio_altfunc = 0xff; @@ -1574,7 +1579,6 @@ static int cp2105_gpioconf_init(struct usb_serial *serial) priv->gpio_pushpull = (u8)((le16_to_cpu(config.gpio_mode) & CP210X_SCI_GPIO_MODE_MASK) >> CP210X_SCI_GPIO_MODE_OFFSET); - priv->gc.ngpio = 3; } else { return -ENODEV; } diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 1ec623e46214b03ec7a7bce97dba3804c9079cf4..48323165139adfc004885c7d7ac9f01cf9bec631 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -969,6 +969,7 @@ static const struct usb_device_id id_table_combined[] = { { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_023_PID) }, { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_VX_034_PID) }, { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_101_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_159_PID) }, { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_1_PID) }, { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_2_PID) }, { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_3_PID) }, @@ -977,12 +978,14 @@ static const struct usb_device_id id_table_combined[] = { { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_6_PID) }, { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_7_PID) }, { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_160_8_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_235_PID) }, { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_257_PID) }, { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_1_PID) }, { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_2_PID) }, { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_3_PID) }, { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_279_4_PID) }, { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_313_PID) }, + { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_320_PID) }, { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_324_PID) }, { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_346_1_PID) }, { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_346_2_PID) }, diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index 755858ca20bacf7702efc2d42c68b135cbc984f3..d1a9564697a4becf6f32b52461eef0fe36c1bbc0 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -1506,6 +1506,9 @@ #define BRAINBOXES_VX_023_PID 0x1003 /* VX-023 ExpressCard 1 Port RS422/485 */ #define BRAINBOXES_VX_034_PID 0x1004 /* VX-034 ExpressCard 2 Port RS422/485 */ #define BRAINBOXES_US_101_PID 0x1011 /* US-101 1xRS232 */ +#define BRAINBOXES_US_159_PID 0x1021 /* US-159 1xRS232 */ +#define BRAINBOXES_US_235_PID 0x1017 /* US-235 1xRS232 */ +#define BRAINBOXES_US_320_PID 0x1019 /* US-320 1xRS422/485 */ #define BRAINBOXES_US_324_PID 0x1013 /* US-324 1xRS422/485 1Mbaud */ #define BRAINBOXES_US_606_1_PID 0x2001 /* US-606 6 Port RS232 Serial Port 1 and 2 */ #define BRAINBOXES_US_606_2_PID 0x2002 /* US-606 6 Port RS232 Serial Port 3 and 4 */ diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index a1e9cbe518c74234a3d161b383ce386ee8ccec0b..81e7833910ca8a333c493b491e00aabbb185345f 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -1219,6 +1219,14 @@ static const struct usb_device_id option_ids[] = { .driver_info = NCTRL(2) | RSVD(3) }, { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1063, 0xff), /* Telit LN920 (ECM) */ .driver_info = NCTRL(0) | RSVD(1) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1070, 0xff), /* Telit FN990 (rmnet) */ + .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1071, 0xff), /* Telit FN990 (MBIM) */ + .driver_info = NCTRL(0) | RSVD(1) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1072, 0xff), /* Telit FN990 (RNDIS) */ + .driver_info = NCTRL(2) | RSVD(3) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1073, 0xff), /* Telit FN990 (ECM) */ + .driver_info = NCTRL(0) | RSVD(1) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910), .driver_info = NCTRL(0) | RSVD(1) | RSVD(3) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910_DUAL_MODEM), @@ -1267,6 +1275,8 @@ static const struct usb_device_id option_ids[] = { .driver_info = NCTRL(2) }, { USB_DEVICE(TELIT_VENDOR_ID, 0x9010), /* Telit SBL FN980 flashing device */ .driver_info = NCTRL(0) | ZLP }, + { USB_DEVICE(TELIT_VENDOR_ID, 0x9200), /* Telit LE910S1 flashing device */ + .driver_info = NCTRL(0) | ZLP }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF622, 0xff, 0xff, 0xff) }, /* ZTE WCDMA products */ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0002, 0xff, 0xff, 0xff), .driver_info = RSVD(1) }, @@ -1639,6 +1649,8 @@ static const struct usb_device_id option_ids[] = { .driver_info = RSVD(2) }, { USB_DEVICE_INTERFACE_CLASS(ZTE_VENDOR_ID, 0x1476, 0xff) }, /* GosunCn ZTE WeLink ME3630 (ECM/NCM mode) */ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1481, 0xff, 0x00, 0x00) }, /* ZTE MF871A */ + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1485, 0xff, 0xff, 0xff), /* ZTE MF286D */ + .driver_info = RSVD(5) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1533, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1534, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1535, 0xff, 0xff, 0xff) }, @@ -2094,6 +2106,9 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(0x2cb7, 0x010b, 0xff, 0xff, 0x30) }, /* Fibocom FG150 Diag */ { USB_DEVICE_AND_INTERFACE_INFO(0x2cb7, 0x010b, 0xff, 0, 0) }, /* Fibocom FG150 AT */ { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a0, 0xff) }, /* Fibocom NL668-AM/NL652-EU (laptop MBIM) */ + { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a2, 0xff) }, /* Fibocom FM101-GL (laptop MBIM) */ + { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a4, 0xff), /* Fibocom FM101-GL (laptop MBIM) */ + .driver_info = RSVD(4) }, { USB_DEVICE_INTERFACE_CLASS(0x2df3, 0x9d03, 0xff) }, /* LongSung M5710 */ { USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1404, 0xff) }, /* GosunCn GM500 RNDIS */ { USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1405, 0xff) }, /* GosunCn GM500 MBIM */ diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index 3ba4e060fd051455ae499189bcfd1856e7305e5e..66e7f5d123c46b5960dceed5c9be4e0c93363795 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -2301,6 +2301,16 @@ UNUSUAL_DEV( 0x2027, 0xa001, 0x0000, 0x9999, USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_euscsi_init, US_FL_SCM_MULT_TARG ), +/* + * Reported by DocMAX + * and Thomas Weißschuh + */ +UNUSUAL_DEV( 0x2109, 0x0715, 0x9999, 0x9999, + "VIA Labs, Inc.", + "VL817 SATA Bridge", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_IGNORE_UAS), + UNUSUAL_DEV( 0x2116, 0x0320, 0x0001, 0x0001, "ST", "2A", diff --git a/drivers/usb/typec/tcpm/fusb302.c b/drivers/usb/typec/tcpm/fusb302.c index b498960ff72b5737f9aab35ac0da9954fb59c67f..5e661bae3997239673ea95903673673fb1084e0a 100644 --- a/drivers/usb/typec/tcpm/fusb302.c +++ b/drivers/usb/typec/tcpm/fusb302.c @@ -669,25 +669,27 @@ static int tcpm_set_cc(struct tcpc_dev *dev, enum typec_cc_status cc) ret = fusb302_i2c_mask_write(chip, FUSB_REG_MASK, FUSB_REG_MASK_BC_LVL | FUSB_REG_MASK_COMP_CHNG, - FUSB_REG_MASK_COMP_CHNG); + FUSB_REG_MASK_BC_LVL); if (ret < 0) { fusb302_log(chip, "cannot set SRC interrupt, ret=%d", ret); goto done; } chip->intr_comp_chng = true; + chip->intr_bc_lvl = false; break; case TYPEC_CC_RD: ret = fusb302_i2c_mask_write(chip, FUSB_REG_MASK, FUSB_REG_MASK_BC_LVL | FUSB_REG_MASK_COMP_CHNG, - FUSB_REG_MASK_BC_LVL); + FUSB_REG_MASK_COMP_CHNG); if (ret < 0) { fusb302_log(chip, "cannot set SRC interrupt, ret=%d", ret); goto done; } chip->intr_bc_lvl = true; + chip->intr_comp_chng = false; break; default: break; diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c index e1d974734e5bc2f156cbb8482a55ba6cc54de260..2e512ff2fe591e6436b441e2b26ac2789db508f6 100644 --- a/drivers/usb/typec/tcpm/tcpm.c +++ b/drivers/usb/typec/tcpm/tcpm.c @@ -3093,11 +3093,7 @@ static void run_state_machine(struct tcpm_port *port) tcpm_try_src(port) ? SRC_TRY : SNK_ATTACHED, 0); - else - /* Wait for VBUS, but not forever */ - tcpm_set_state(port, PORT_RESET, PD_T_PS_SOURCE_ON); break; - case SRC_TRY: port->try_src_count++; tcpm_set_cc(port, tcpm_rp_cc(port)); @@ -3882,7 +3878,8 @@ static void _tcpm_pd_vbus_off(struct tcpm_port *port) case SNK_TRYWAIT_DEBOUNCE: break; case SNK_ATTACH_WAIT: - tcpm_set_state(port, SNK_UNATTACHED, 0); + case SNK_DEBOUNCED: + /* Do nothing, as TCPM is still waiting for vbus to reaach VSAFE5V to connect */ break; case SNK_NEGOTIATE_CAPABILITIES: diff --git a/drivers/usb/typec/tps6598x.c b/drivers/usb/typec/tps6598x.c index 0698addd1185b1c971acd79b5829a6fea676ca6f..aaf76dea439a050c7b930a63054c236acd7e2da5 100644 --- a/drivers/usb/typec/tps6598x.c +++ b/drivers/usb/typec/tps6598x.c @@ -108,7 +108,7 @@ tps6598x_block_read(struct tps6598x *tps, u8 reg, void *val, size_t len) u8 data[TPS_MAX_LEN + 1]; int ret; - if (WARN_ON(len + 1 > sizeof(data))) + if (len + 1 > sizeof(data)) return -EINVAL; if (!tps->i2c_protocol) diff --git a/drivers/usb/typec/ucsi/ucsi_ccg.c b/drivers/usb/typec/ucsi/ucsi_ccg.c index d772fce5190570da226a6cbb67ce4424765109db..0a38f98f786508a260accf8afd4e5151aeabfb7a 100644 --- a/drivers/usb/typec/ucsi/ucsi_ccg.c +++ b/drivers/usb/typec/ucsi/ucsi_ccg.c @@ -304,7 +304,7 @@ static int ucsi_ccg_init(struct ucsi_ccg *uc) if (status < 0) return status; - if (!data) + if (!(data & DEV_INT)) return 0; status = ccg_write(uc, CCGX_RAB_INTR_REG, &data, sizeof(data)); diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c index f21f5bfbb78dccde89b20ce95fae8d2e119539b7..2bf7cb01da9a3f17246cc01cb370deeb704bd4d7 100644 --- a/drivers/vhost/vsock.c +++ b/drivers/vhost/vsock.c @@ -491,7 +491,7 @@ static void vhost_vsock_handle_tx_kick(struct vhost_work *work) virtio_transport_free_pkt(pkt); len += sizeof(pkt->hdr); - vhost_add_used(vq, head, len); + vhost_add_used(vq, head, 0); total_len += len; added = true; } while(likely(!vhost_exceeds_weight(vq, ++pkts, total_len))); diff --git a/drivers/video/console/sticon.c b/drivers/video/console/sticon.c index 79c9bd8d30254a9001a0b139734b780a240041b2..559a7305cadaab939e88d9b09373e281baa893ac 100644 --- a/drivers/video/console/sticon.c +++ b/drivers/video/console/sticon.c @@ -291,13 +291,13 @@ static unsigned long sticon_getxy(struct vc_data *conp, unsigned long pos, static u8 sticon_build_attr(struct vc_data *conp, u8 color, u8 intens, u8 blink, u8 underline, u8 reverse, u8 italic) { - u8 attr = ((color & 0x70) >> 1) | ((color & 7)); + u8 fg = color & 7; + u8 bg = (color & 0x70) >> 4; - if (reverse) { - color = ((color >> 3) & 0x7) | ((color & 0x7) << 3); - } - - return attr; + if (reverse) + return (fg << 3) | bg; + else + return (bg << 3) | fg; } static void sticon_invert_region(struct vc_data *conp, u16 *p, int count) diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c index a992d922b3a71df5d46524d1ba52be895829e4d3..23f15f42e5cb6bf4bd30b338945fb1ce03e869c7 100644 --- a/drivers/video/console/vgacon.c +++ b/drivers/video/console/vgacon.c @@ -370,11 +370,17 @@ static void vgacon_init(struct vc_data *c, int init) struct uni_pagedir *p; /* - * We cannot be loaded as a module, therefore init is always 1, - * but vgacon_init can be called more than once, and init will - * not be 1. + * We cannot be loaded as a module, therefore init will be 1 + * if we are the default console, however if we are a fallback + * console, for example if fbcon has failed registration, then + * init will be 0, so we need to make sure our boot parameters + * have been copied to the console structure for vgacon_resize + * ultimately called by vc_resize. Any subsequent calls to + * vgacon_init init will have init set to 0 too. */ c->vc_can_do_color = vga_can_do_color; + c->vc_scan_lines = vga_scan_lines; + c->vc_font.height = c->vc_cell_height = vga_video_font_height; /* set dimensions manually if init != 0 since vc_resize() will fail */ if (init) { @@ -383,8 +389,6 @@ static void vgacon_init(struct vc_data *c, int init) } else vc_resize(c, vga_video_num_columns, vga_video_num_lines); - c->vc_scan_lines = vga_scan_lines; - c->vc_font.height = c->vc_cell_height = vga_video_font_height; c->vc_complement_mask = 0x7700; if (vga_512_chars) c->vc_hi_font_mask = 0x0800; diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index c9550b7291e72ca3de59717572c126c9e1b7d1b4..a336f0a7d1921ad630a0e0660646ea0d54de56fa 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -263,7 +263,7 @@ size_t virtio_max_dma_size(struct virtio_device *vdev) size_t max_segment_size = SIZE_MAX; if (vring_use_dma_api(vdev)) - max_segment_size = dma_max_mapping_size(&vdev->dev); + max_segment_size = dma_max_mapping_size(vdev->dev.parent); return max_segment_size; } diff --git a/drivers/w1/slaves/w1_ds28e04.c b/drivers/w1/slaves/w1_ds28e04.c index 8a640f1590784637cd4cb5feac89d94562e685e4..06a9966f8c933a2dc625c822dadd514b54e8e941 100644 --- a/drivers/w1/slaves/w1_ds28e04.c +++ b/drivers/w1/slaves/w1_ds28e04.c @@ -32,7 +32,7 @@ static int w1_strong_pullup = 1; module_param_named(strong_pullup, w1_strong_pullup, int, 0); /* enable/disable CRC checking on DS28E04-100 memory accesses */ -static char w1_enable_crccheck = 1; +static bool w1_enable_crccheck = true; #define W1_EEPROM_SIZE 512 #define W1_PAGE_COUNT 16 @@ -339,32 +339,18 @@ static BIN_ATTR_RW(pio, 1); static ssize_t crccheck_show(struct device *dev, struct device_attribute *attr, char *buf) { - if (put_user(w1_enable_crccheck + 0x30, buf)) - return -EFAULT; - - return sizeof(w1_enable_crccheck); + return sysfs_emit(buf, "%d\n", w1_enable_crccheck); } static ssize_t crccheck_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - char val; - - if (count != 1 || !buf) - return -EINVAL; + int err = kstrtobool(buf, &w1_enable_crccheck); - if (get_user(val, buf)) - return -EFAULT; + if (err) + return err; - /* convert to decimal */ - val = val - 0x30; - if (val != 0 && val != 1) - return -EINVAL; - - /* set the new value */ - w1_enable_crccheck = val; - - return sizeof(w1_enable_crccheck); + return count; } static DEVICE_ATTR_RW(crccheck); diff --git a/drivers/xen/xenbus/xenbus_probe.c b/drivers/xen/xenbus/xenbus_probe.c index 652894d6196779c6ce872ecaca0587cd64f366a9..b911a91bce6b75d721427b5e3f3a09acb11bdc7e 100644 --- a/drivers/xen/xenbus/xenbus_probe.c +++ b/drivers/xen/xenbus/xenbus_probe.c @@ -846,7 +846,7 @@ static struct notifier_block xenbus_resume_nb = { static int __init xenbus_init(void) { - int err = 0; + int err; uint64_t v = 0; xen_store_domain_type = XS_UNKNOWN; @@ -886,6 +886,29 @@ static int __init xenbus_init(void) err = hvm_get_parameter(HVM_PARAM_STORE_PFN, &v); if (err) goto out_error; + /* + * Uninitialized hvm_params are zero and return no error. + * Although it is theoretically possible to have + * HVM_PARAM_STORE_PFN set to zero on purpose, in reality it is + * not zero when valid. If zero, it means that Xenstore hasn't + * been properly initialized. Instead of attempting to map a + * wrong guest physical address return error. + * + * Also recognize all bits set as an invalid value. + */ + if (!v || !~v) { + err = -ENOENT; + goto out_error; + } + /* Avoid truncation on 32-bit. */ +#if BITS_PER_LONG == 32 + if (v > ULONG_MAX) { + pr_err("%s: cannot handle HVM_PARAM_STORE_PFN=%llx > ULONG_MAX\n", + __func__, v); + err = -EINVAL; + goto out_error; + } +#endif xen_store_gfn = (unsigned long)v; xen_store_interface = xen_remap(xen_store_gfn << XEN_PAGE_SHIFT, @@ -920,8 +943,10 @@ static int __init xenbus_init(void) */ proc_create_mount_point("xen"); #endif + return 0; out_error: + xen_store_domain_type = XS_UNKNOWN; return err; } diff --git a/fs/btrfs/async-thread.c b/fs/btrfs/async-thread.c index 11be02459b87614e8af4f48d6edeafe307b49254..eb592b92aa9cded89ae3ef2c1e1854d923c96768 100644 --- a/fs/btrfs/async-thread.c +++ b/fs/btrfs/async-thread.c @@ -237,6 +237,13 @@ static void run_ordered_work(struct __btrfs_workqueue *wq, ordered_list); if (!test_bit(WORK_DONE_BIT, &work->flags)) break; + /* + * Orders all subsequent loads after reading WORK_DONE_BIT, + * paired with the smp_mb__before_atomic in btrfs_work_helper + * this guarantees that the ordered function will see all + * updates from ordinary work function. + */ + smp_rmb(); /* * we are going to call the ordered done function, but @@ -325,6 +332,13 @@ static void btrfs_work_helper(struct work_struct *normal_work) thresh_exec_hook(wq); work->func(work); if (need_order) { + /* + * Ensures all memory accesses done in the work function are + * ordered before setting the WORK_DONE_BIT. Ensuring the thread + * which is going to executed the ordered work sees them. + * Pairs with the smp_rmb in run_ordered_work. + */ + smp_mb__before_atomic(); set_bit(WORK_DONE_BIT, &work->flags); run_ordered_work(wq, work); } diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c index 7f644a58db51105059a9bfc0eec11dcd8a9c6300..c701a19fac5331a69cb6a072f5c5ef2d1e128415 100644 --- a/fs/btrfs/backref.c +++ b/fs/btrfs/backref.c @@ -1208,7 +1208,12 @@ static int find_parent_nodes(struct btrfs_trans_handle *trans, ret = btrfs_search_slot(trans, fs_info->extent_root, &key, path, 0, 0); if (ret < 0) goto out; - BUG_ON(ret == 0); + if (ret == 0) { + /* This shouldn't happen, indicates a bug or fs corruption. */ + ASSERT(ret != 0); + ret = -EUCLEAN; + goto out; + } #ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS if (trans && likely(trans->type != __TRANS_DUMMY) && @@ -1356,10 +1361,18 @@ static int find_parent_nodes(struct btrfs_trans_handle *trans, goto out; if (!ret && extent_item_pos) { /* - * we've recorded that parent, so we must extend - * its inode list here + * We've recorded that parent, so we must extend + * its inode list here. + * + * However if there was corruption we may not + * have found an eie, return an error in this + * case. */ - BUG_ON(!eie); + ASSERT(eie); + if (!eie) { + ret = -EUCLEAN; + goto out; + } while (eie->next) eie = eie->next; eie->next = ref->inode_list; diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index dac30b00d14b7abc4385565f5687700d725f16fa..822c615840e846accd7e508c0d01d00b52a93ddf 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -2658,12 +2658,9 @@ static struct extent_buffer *btrfs_search_slot_get_root(struct btrfs_root *root, { struct btrfs_fs_info *fs_info = root->fs_info; struct extent_buffer *b; - int root_lock; + int root_lock = 0; int level = 0; - /* We try very hard to do read locks on the root */ - root_lock = BTRFS_READ_LOCK; - if (p->search_commit_root) { /* * The commit roots are read only so we always do read locks, @@ -2701,6 +2698,9 @@ static struct extent_buffer *btrfs_search_slot_get_root(struct btrfs_root *root, goto out; } + /* We try very hard to do read locks on the root */ + root_lock = BTRFS_READ_LOCK; + /* * If the level is set to maximum, we can skip trying to get the read * lock. @@ -2727,6 +2727,17 @@ static struct extent_buffer *btrfs_search_slot_get_root(struct btrfs_root *root, level = btrfs_header_level(b); out: + /* + * The root may have failed to write out at some point, and thus is no + * longer valid, return an error in this case. + */ + if (!extent_buffer_uptodate(b)) { + if (root_lock) + btrfs_tree_unlock_rw(b, root_lock); + free_extent_buffer(b); + return ERR_PTR(-EIO); + } + p->nodes[level] = b; if (!p->skip_locking) p->locks[level] = root_lock; diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 1499531bc15114ea6a707cdb711d5fecbdfd3cd6..f18c6d97932ed421ad87dbd57c1487697db61296 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -3636,11 +3636,23 @@ static void btrfs_end_empty_barrier(struct bio *bio) */ static void write_dev_flush(struct btrfs_device *device) { - struct request_queue *q = bdev_get_queue(device->bdev); struct bio *bio = device->flush_bio; +#ifndef CONFIG_BTRFS_FS_CHECK_INTEGRITY + /* + * When a disk has write caching disabled, we skip submission of a bio + * with flush and sync requests before writing the superblock, since + * it's not needed. However when the integrity checker is enabled, this + * results in reports that there are metadata blocks referred by a + * superblock that were not properly flushed. So don't skip the bio + * submission only when the integrity checker is enabled for the sake + * of simplicity, since this is a debug tool and not meant for use in + * non-debug builds. + */ + struct request_queue *q = bdev_get_queue(device->bdev); if (!test_bit(QUEUE_FLAG_WC, &q->queue_flags)) return; +#endif bio_reset(bio); bio->bi_end_io = btrfs_end_empty_barrier; diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 9108a73423f701ae5e9a31804420aec207e53d0d..95ddeb4777970769b047e09d3a6a79e274adb66a 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -3754,6 +3754,12 @@ static void set_btree_ioerr(struct page *page) if (test_and_set_bit(EXTENT_BUFFER_WRITE_ERR, &eb->bflags)) return; + /* + * A read may stumble upon this buffer later, make sure that it gets an + * error and knows there was an error. + */ + clear_bit(EXTENT_BUFFER_UPTODATE, &eb->bflags); + /* * If we error out, we should add back the dirty_metadata_bytes * to make it consistent. diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index b859ed50cf46cdbcd45bb90fec4c1a793fd41cf0..7755a0362a3adf7b373e750086e7666fe3462e0e 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -10808,9 +10808,19 @@ static int btrfs_add_swap_extent(struct swap_info_struct *sis, struct btrfs_swap_info *bsi) { unsigned long nr_pages; + unsigned long max_pages; u64 first_ppage, first_ppage_reported, next_ppage; int ret; + /* + * Our swapfile may have had its size extended after the swap header was + * written. In that case activating the swapfile should not go beyond + * the max size set in the swap header. + */ + if (bsi->nr_pages >= sis->max) + return 0; + + max_pages = sis->max - bsi->nr_pages; first_ppage = ALIGN(bsi->block_start, PAGE_SIZE) >> PAGE_SHIFT; next_ppage = ALIGN_DOWN(bsi->block_start + bsi->block_len, PAGE_SIZE) >> PAGE_SHIFT; @@ -10818,6 +10828,7 @@ static int btrfs_add_swap_extent(struct swap_info_struct *sis, if (first_ppage >= next_ppage) return 0; nr_pages = next_ppage - first_ppage; + nr_pages = min(nr_pages, max_pages); first_ppage_reported = first_ppage; if (bsi->start == 0) diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index e9d3eb7f0e2b871ae1c7a995772d668f7d548c9e..675112aa998f2fbf5c997d3c4516f7208e842e76 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -3027,10 +3027,8 @@ static noinline int btrfs_ioctl_snap_destroy(struct file *file, inode_lock(inode); err = btrfs_delete_subvolume(dir, dentry); inode_unlock(inode); - if (!err) { - fsnotify_rmdir(dir, dentry); - d_delete(dentry); - } + if (!err) + d_delete_notify(dir, dentry); out_dput: dput(dentry); diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index bb034e19a2a8a74c64cd6e0f037b1f8a663923ca..a5041bf0d5db1f2448490307efbb09b78aa2af2a 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -890,6 +890,14 @@ int btrfs_quota_enable(struct btrfs_fs_info *fs_info) int ret = 0; int slot; + /* + * We need to have subvol_sem write locked, to prevent races between + * concurrent tasks trying to enable quotas, because we will unlock + * and relock qgroup_ioctl_lock before setting fs_info->quota_root + * and before setting BTRFS_FS_QUOTA_ENABLED. + */ + lockdep_assert_held_write(&fs_info->subvol_sem); + mutex_lock(&fs_info->qgroup_ioctl_lock); if (fs_info->quota_root) goto out; @@ -1035,8 +1043,19 @@ int btrfs_quota_enable(struct btrfs_fs_info *fs_info) goto out_free_path; } + mutex_unlock(&fs_info->qgroup_ioctl_lock); + /* + * Commit the transaction while not holding qgroup_ioctl_lock, to avoid + * a deadlock with tasks concurrently doing other qgroup operations, such + * adding/removing qgroups or adding/deleting qgroup relations for example, + * because all qgroup operations first start or join a transaction and then + * lock the qgroup_ioctl_lock mutex. + * We are safe from a concurrent task trying to enable quotas, by calling + * this function, since we are serialized by fs_info->subvol_sem. + */ ret = btrfs_commit_transaction(trans); trans = NULL; + mutex_lock(&fs_info->qgroup_ioctl_lock); if (ret) goto out_free_path; @@ -1086,9 +1105,24 @@ int btrfs_quota_disable(struct btrfs_fs_info *fs_info) struct btrfs_trans_handle *trans = NULL; int ret = 0; + /* + * We need to have subvol_sem write locked, to prevent races between + * concurrent tasks trying to disable quotas, because we will unlock + * and relock qgroup_ioctl_lock across BTRFS_FS_QUOTA_ENABLED changes. + */ + lockdep_assert_held_write(&fs_info->subvol_sem); + mutex_lock(&fs_info->qgroup_ioctl_lock); if (!fs_info->quota_root) goto out; + + /* + * Request qgroup rescan worker to complete and wait for it. This wait + * must be done before transaction start for quota disable since it may + * deadlock with transaction by the qgroup rescan worker. + */ + clear_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags); + btrfs_qgroup_wait_for_completion(fs_info, false); mutex_unlock(&fs_info->qgroup_ioctl_lock); /* @@ -1106,14 +1140,13 @@ int btrfs_quota_disable(struct btrfs_fs_info *fs_info) if (IS_ERR(trans)) { ret = PTR_ERR(trans); trans = NULL; + set_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags); goto out; } if (!fs_info->quota_root) goto out; - clear_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags); - btrfs_qgroup_wait_for_completion(fs_info, false); spin_lock(&fs_info->qgroup_lock); quota_root = fs_info->quota_root; fs_info->quota_root = NULL; @@ -3285,6 +3318,9 @@ qgroup_rescan_init(struct btrfs_fs_info *fs_info, u64 progress_objectid, btrfs_warn(fs_info, "qgroup rescan init failed, qgroup is not enabled"); ret = -EINVAL; + } else if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags)) { + /* Quota disable is in progress */ + ret = -EBUSY; } if (ret) { diff --git a/fs/btrfs/root-tree.c b/fs/btrfs/root-tree.c index 612411c74550f5d1776c318269249abb0b7953fc..0d07ebe511e7fd4337866e6e5fd729eb8042176a 100644 --- a/fs/btrfs/root-tree.c +++ b/fs/btrfs/root-tree.c @@ -371,7 +371,8 @@ int btrfs_del_root_ref(struct btrfs_trans_handle *trans, u64 root_id, key.offset = ref_id; again: ret = btrfs_search_slot(trans, tree_root, &key, path, -1, 1); - BUG_ON(ret < 0); + if (ret < 0) + goto out; if (ret == 0) { leaf = path->nodes[0]; ref = btrfs_item_ptr(leaf, path->slots[0], diff --git a/fs/cifs/file.c b/fs/cifs/file.c index a9746af5a44db7b04f4de30e3bd155613bf279c5..03c85beecec103a7bc8661d001dd4101287248e2 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -2577,12 +2577,23 @@ int cifs_strict_fsync(struct file *file, loff_t start, loff_t end, tcon = tlink_tcon(smbfile->tlink); if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NOSSYNC)) { server = tcon->ses->server; - if (server->ops->flush) - rc = server->ops->flush(xid, tcon, &smbfile->fid); - else + if (server->ops->flush == NULL) { rc = -ENOSYS; + goto strict_fsync_exit; + } + + if ((OPEN_FMODE(smbfile->f_flags) & FMODE_WRITE) == 0) { + smbfile = find_writable_file(CIFS_I(inode), FIND_WR_ANY); + if (smbfile) { + rc = server->ops->flush(xid, tcon, &smbfile->fid); + cifsFileInfo_put(smbfile); + } else + cifs_dbg(FYI, "ignore fsync for file not open for write\n"); + } else + rc = server->ops->flush(xid, tcon, &smbfile->fid); } +strict_fsync_exit: free_xid(xid); return rc; } @@ -2594,6 +2605,7 @@ int cifs_fsync(struct file *file, loff_t start, loff_t end, int datasync) struct cifs_tcon *tcon; struct TCP_Server_Info *server; struct cifsFileInfo *smbfile = file->private_data; + struct inode *inode = file_inode(file); struct cifs_sb_info *cifs_sb = CIFS_FILE_SB(file); rc = file_write_and_wait_range(file, start, end); @@ -2608,12 +2620,23 @@ int cifs_fsync(struct file *file, loff_t start, loff_t end, int datasync) tcon = tlink_tcon(smbfile->tlink); if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NOSSYNC)) { server = tcon->ses->server; - if (server->ops->flush) - rc = server->ops->flush(xid, tcon, &smbfile->fid); - else + if (server->ops->flush == NULL) { rc = -ENOSYS; + goto fsync_exit; + } + + if ((OPEN_FMODE(smbfile->f_flags) & FMODE_WRITE) == 0) { + smbfile = find_writable_file(CIFS_I(inode), FIND_WR_ANY); + if (smbfile) { + rc = server->ops->flush(xid, tcon, &smbfile->fid); + cifsFileInfo_put(smbfile); + } else + cifs_dbg(FYI, "ignore fsync for file not open for write\n"); + } else + rc = server->ops->flush(xid, tcon, &smbfile->fid); } +fsync_exit: free_xid(xid); return rc; } diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c index cb733652ecca6cd0679b57acf3db93efdd4751d4..2992cebb7866177a65e8a00469e23a95810039ed 100644 --- a/fs/configfs/dir.c +++ b/fs/configfs/dir.c @@ -1805,8 +1805,8 @@ void configfs_unregister_group(struct config_group *group) configfs_detach_group(&group->cg_item); d_inode(dentry)->i_flags |= S_DEAD; dont_mount(dentry); + d_drop(dentry); fsnotify_rmdir(d_inode(parent), dentry); - d_delete(dentry); inode_unlock(d_inode(parent)); dput(dentry); @@ -1947,10 +1947,10 @@ void configfs_unregister_subsystem(struct configfs_subsystem *subsys) configfs_detach_group(&group->cg_item); d_inode(dentry)->i_flags |= S_DEAD; dont_mount(dentry); - fsnotify_rmdir(d_inode(root), dentry); inode_unlock(d_inode(dentry)); - d_delete(dentry); + d_drop(dentry); + fsnotify_rmdir(d_inode(root), dentry); inode_unlock(d_inode(root)); diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c index a32c5c7dcfd897f68cc14c7851a3d90ba78a2230..da87615ad69a7e3b92d4e504bfb003fd60ad03f4 100644 --- a/fs/debugfs/file.c +++ b/fs/debugfs/file.c @@ -146,7 +146,7 @@ static int debugfs_locked_down(struct inode *inode, struct file *filp, const struct file_operations *real_fops) { - if ((inode->i_mode & 07777) == 0444 && + if ((inode->i_mode & 07777 & ~0444) == 0 && !(filp->f_mode & FMODE_WRITE) && !real_fops->unlocked_ioctl && !real_fops->compat_ioctl && diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c index 42e5a766d33c7d1fea3ca9c05be73639c38c421e..4f25015aa5342a332c76ad7d931a507784eea764 100644 --- a/fs/devpts/inode.c +++ b/fs/devpts/inode.c @@ -621,8 +621,8 @@ void devpts_pty_kill(struct dentry *dentry) dentry->d_fsdata = NULL; drop_nlink(dentry->d_inode); - fsnotify_unlink(d_inode(dentry->d_parent), dentry); d_drop(dentry); + fsnotify_unlink(d_inode(dentry->d_parent), dentry); dput(dentry); /* d_alloc_name() in devpts_pty_new() */ } diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c index 18d81599522f34e5a78011a8326e1ad7614e3254..53500b555bfa85dd0d47022ea9a09994e5036806 100644 --- a/fs/dlm/lock.c +++ b/fs/dlm/lock.c @@ -3975,6 +3975,14 @@ static int validate_message(struct dlm_lkb *lkb, struct dlm_message *ms) int from = ms->m_header.h_nodeid; int error = 0; + /* currently mixing of user/kernel locks are not supported */ + if (ms->m_flags & DLM_IFL_USER && ~lkb->lkb_flags & DLM_IFL_USER) { + log_error(lkb->lkb_resource->res_ls, + "got user dlm message for a kernel lock"); + error = -EINVAL; + goto out; + } + switch (ms->m_type) { case DLM_MSG_CONVERT: case DLM_MSG_UNLOCK: @@ -4003,6 +4011,7 @@ static int validate_message(struct dlm_lkb *lkb, struct dlm_message *ms) error = -EINVAL; } +out: if (error) log_error(lkb->lkb_resource->res_ls, "ignore invalid message %d from %d %x %x %x %d", diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c index 571cb6e97786742eeed887649731e4ddd6e80bd2..757ea1bf91670c8aff23a81640d3f27fca83aa59 100644 --- a/fs/ext4/inline.c +++ b/fs/ext4/inline.c @@ -1134,7 +1134,15 @@ static void ext4_restore_inline_data(handle_t *handle, struct inode *inode, struct ext4_iloc *iloc, void *buf, int inline_size) { - ext4_create_inline_data(handle, inode, inline_size); + int ret; + + ret = ext4_create_inline_data(handle, inode, inline_size); + if (ret) { + ext4_msg(inode->i_sb, KERN_EMERG, + "error restoring inline_data for inode -- potential data loss! (inode %lu, error %d)", + inode->i_ino, ret); + return; + } ext4_write_inline_data(inode, iloc, buf, 0, inline_size); ext4_set_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA); } diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index 09b43f32fa66215020e7e1e2db24332c6b5f84c0..211c6ea961d39a4857c719a7deb37216c7355a3a 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -1120,8 +1120,6 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) sizeof(range))) return -EFAULT; - range.minlen = max((unsigned int)range.minlen, - q->limits.discard_granularity); ret = ext4_trim_fs(sb, &range); if (ret < 0) return ret; diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index b67ea979f0cf7565e8ecbb88e1da145d027c23e2..0307702d114dbadef7b63c19e2522428b385f9aa 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -5270,6 +5270,7 @@ ext4_trim_all_free(struct super_block *sb, ext4_group_t group, */ int ext4_trim_fs(struct super_block *sb, struct fstrim_range *range) { + struct request_queue *q = bdev_get_queue(sb->s_bdev); struct ext4_group_info *grp; ext4_group_t group, first_group, last_group; ext4_grpblk_t cnt = 0, first_cluster, last_cluster; @@ -5288,6 +5289,13 @@ int ext4_trim_fs(struct super_block *sb, struct fstrim_range *range) start >= max_blks || range->len < sb->s_blocksize) return -EINVAL; + /* No point to try to trim less than discard granularity */ + if (range->minlen < q->limits.discard_granularity) { + minlen = EXT4_NUM_B2C(EXT4_SB(sb), + q->limits.discard_granularity >> sb->s_blocksize_bits); + if (minlen > EXT4_CLUSTERS_PER_GROUP(sb)) + goto out; + } if (end >= max_blks) end = max_blks - 1; if (end <= first_data_blk) diff --git a/fs/ext4/migrate.c b/fs/ext4/migrate.c index be4ee3dcc5cf5da3b54c00f71a5e8eb1a541a751..c5b2ea1a93729ede9dd9612ec5f93e4d11d0c748 100644 --- a/fs/ext4/migrate.c +++ b/fs/ext4/migrate.c @@ -455,12 +455,12 @@ int ext4_ext_migrate(struct inode *inode) percpu_down_write(&sbi->s_writepages_rwsem); /* - * Worst case we can touch the allocation bitmaps, a bgd - * block, and a block to link in the orphan list. We do need - * need to worry about credits for modifying the quota inode. + * Worst case we can touch the allocation bitmaps and a block + * group descriptor block. We do need need to worry about + * credits for modifying the quota inode. */ handle = ext4_journal_start(inode, EXT4_HT_MIGRATE, - 4 + EXT4_MAXQUOTAS_TRANS_BLOCKS(inode->i_sb)); + 3 + EXT4_MAXQUOTAS_TRANS_BLOCKS(inode->i_sb)); if (IS_ERR(handle)) { retval = PTR_ERR(handle); @@ -477,6 +477,13 @@ int ext4_ext_migrate(struct inode *inode) ext4_journal_stop(handle); goto out_unlock; } + /* + * Use the correct seed for checksum (i.e. the seed from 'inode'). This + * is so that the metadata blocks will have the correct checksum after + * the migration. + */ + ei = EXT4_I(inode); + EXT4_I(tmp_inode)->i_csum_seed = ei->i_csum_seed; i_size_write(tmp_inode, i_size_read(inode)); /* * Set the i_nlink to zero so it will be deleted later @@ -485,7 +492,6 @@ int ext4_ext_migrate(struct inode *inode) clear_nlink(tmp_inode); ext4_ext_tree_init(handle, tmp_inode); - ext4_orphan_add(handle, tmp_inode); ext4_journal_stop(handle); /* @@ -510,17 +516,10 @@ int ext4_ext_migrate(struct inode *inode) handle = ext4_journal_start(inode, EXT4_HT_MIGRATE, 1); if (IS_ERR(handle)) { - /* - * It is impossible to update on-disk structures without - * a handle, so just rollback in-core changes and live other - * work to orphan_list_cleanup() - */ - ext4_orphan_del(NULL, tmp_inode); retval = PTR_ERR(handle); goto out_tmp_inode; } - ei = EXT4_I(inode); i_data = ei->i_data; memset(&lb, 0, sizeof(lb)); diff --git a/fs/ext4/super.c b/fs/ext4/super.c index a0ce5d38c2a76e743ccb0a4c6c3ea5e40f3d996e..04fe783a09987d6635e3d50673ce8c576ec63e94 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -5968,10 +5968,7 @@ static int ext4_quota_on(struct super_block *sb, int type, int format_id, lockdep_set_quota_inode(path->dentry->d_inode, I_DATA_SEM_QUOTA); err = dquot_quota_on(sb, type, format_id, path); - if (err) { - lockdep_set_quota_inode(path->dentry->d_inode, - I_DATA_SEM_NORMAL); - } else { + if (!err) { struct inode *inode = d_inode(path->dentry); handle_t *handle; @@ -5991,7 +5988,12 @@ static int ext4_quota_on(struct super_block *sb, int type, int format_id, ext4_journal_stop(handle); unlock_inode: inode_unlock(inode); + if (err) + dquot_quota_off(sb, type); } + if (err) + lockdep_set_quota_inode(path->dentry->d_inode, + I_DATA_SEM_NORMAL); return err; } @@ -6054,8 +6056,19 @@ static int ext4_enable_quotas(struct super_block *sb) "Failed to enable quota tracking " "(type=%d, err=%d). Please run " "e2fsck to fix.", type, err); - for (type--; type >= 0; type--) + for (type--; type >= 0; type--) { + struct inode *inode; + + inode = sb_dqopt(sb)->files[type]; + if (inode) + inode = igrab(inode); dquot_quota_off(sb, type); + if (inode) { + lockdep_set_quota_inode(inode, + I_DATA_SEM_NORMAL); + iput(inode); + } + } return err; } @@ -6157,7 +6170,7 @@ static ssize_t ext4_quota_write(struct super_block *sb, int type, struct buffer_head *bh; handle_t *handle = journal_current_handle(); - if (EXT4_SB(sb)->s_journal && !handle) { + if (!handle) { ext4_msg(sb, KERN_WARNING, "Quota write (off=%llu, len=%llu)" " cancelled because transaction is not started", (unsigned long long)off, (unsigned long long)len); diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index c877987ba413d6a1d3d348d2e94da5978b837ba3..e90ef0e3f354c2ba8392d82a76f334af67e8c254 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -1147,7 +1147,8 @@ static bool __need_flush_quota(struct f2fs_sb_info *sbi) if (!is_journalled_quota(sbi)) return false; - down_write(&sbi->quota_sem); + if (!down_write_trylock(&sbi->quota_sem)) + return true; if (is_sbi_flag_set(sbi, SBI_QUOTA_SKIP_FLUSH)) { ret = false; } else if (is_sbi_flag_set(sbi, SBI_QUOTA_NEED_REPAIR)) { diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index ed3e084c28e4c76d0ad9a966bcc1bbabd962a7a4..4103f757476d01024e069ba606178db4e0a44497 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -1037,6 +1037,7 @@ struct f2fs_sm_info { unsigned int segment_count; /* total # of segments */ unsigned int main_segments; /* # of segments in main area */ unsigned int reserved_segments; /* # of reserved segments */ + unsigned int additional_reserved_segments;/* reserved segs for IO align feature */ unsigned int ovp_segments; /* # of overprovision segments */ /* a threshold to reclaim prefree segments */ @@ -2042,6 +2043,11 @@ static inline int inc_valid_block_count(struct f2fs_sb_info *sbi, if (!__allow_reserved_blocks(sbi, inode, true)) avail_user_block_count -= F2FS_OPTION(sbi).root_reserved_blocks; + + if (F2FS_IO_ALIGNED(sbi)) + avail_user_block_count -= sbi->blocks_per_seg * + SM_I(sbi)->additional_reserved_segments; + if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) { if (avail_user_block_count > sbi->unusable_block_count) avail_user_block_count -= sbi->unusable_block_count; @@ -2287,6 +2293,11 @@ static inline int inc_valid_node_count(struct f2fs_sb_info *sbi, if (!__allow_reserved_blocks(sbi, inode, false)) valid_block_count += F2FS_OPTION(sbi).root_reserved_blocks; + + if (F2FS_IO_ALIGNED(sbi)) + valid_block_count += sbi->blocks_per_seg * + SM_I(sbi)->additional_reserved_segments; + user_block_count = sbi->user_block_count; if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) user_block_count -= sbi->unusable_block_count; diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index 4a4956277050281311b4ec7ea0e04ed7172a4cca..b43657698c5e57fbb0534c52d905e01cc82668d0 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -641,6 +641,9 @@ static bool is_alive(struct f2fs_sb_info *sbi, struct f2fs_summary *sum, set_sbi_flag(sbi, SBI_NEED_FSCK); } + if (f2fs_check_nid_range(sbi, dni->ino)) + return false; + *nofs = ofs_of_node(node_page); source_blkaddr = data_blkaddr(NULL, node_page, ofs_in_node); f2fs_put_page(node_page, 1); diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index f2f14f76160436e49f39fbf48cff614cb7f0c09f..2ed0bc5a219e2d59759ab0f6b4f1e08ecd9d18a5 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -1387,6 +1387,7 @@ static struct page *__get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid, nid, nid_of_node(page), ino_of_node(page), ofs_of_node(page), cpver_of_node(page), next_blkaddr_of_node(page)); + set_sbi_flag(sbi, SBI_NEED_FSCK); err = -EINVAL; out_err: ClearPageUptodate(page); diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h index 084d37b21c29ac5df6d1987d213ca92a6ebe9426..2dcfe8d588443032b321be7a90921dd30a9fed73 100644 --- a/fs/f2fs/segment.h +++ b/fs/f2fs/segment.h @@ -499,7 +499,8 @@ static inline unsigned int free_segments(struct f2fs_sb_info *sbi) static inline int reserved_segments(struct f2fs_sb_info *sbi) { - return SM_I(sbi)->reserved_segments; + return SM_I(sbi)->reserved_segments + + SM_I(sbi)->additional_reserved_segments; } static inline unsigned int free_sections(struct f2fs_sb_info *sbi) diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index bf5f51b8d07c2d9c4caa515a250eb9062048d06b..e5e9e3673357a3da3280769ba85532405b593e83 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -286,6 +286,46 @@ static inline void limit_reserve_root(struct f2fs_sb_info *sbi) F2FS_OPTION(sbi).s_resgid)); } +static inline int adjust_reserved_segment(struct f2fs_sb_info *sbi) +{ + unsigned int sec_blks = sbi->blocks_per_seg * sbi->segs_per_sec; + unsigned int avg_vblocks; + unsigned int wanted_reserved_segments; + block_t avail_user_block_count; + + if (!F2FS_IO_ALIGNED(sbi)) + return 0; + + /* average valid block count in section in worst case */ + avg_vblocks = sec_blks / F2FS_IO_SIZE(sbi); + + /* + * we need enough free space when migrating one section in worst case + */ + wanted_reserved_segments = (F2FS_IO_SIZE(sbi) / avg_vblocks) * + reserved_segments(sbi); + wanted_reserved_segments -= reserved_segments(sbi); + + avail_user_block_count = sbi->user_block_count - + sbi->current_reserved_blocks - + F2FS_OPTION(sbi).root_reserved_blocks; + + if (wanted_reserved_segments * sbi->blocks_per_seg > + avail_user_block_count) { + f2fs_err(sbi, "IO align feature can't grab additional reserved segment: %u, available segments: %u", + wanted_reserved_segments, + avail_user_block_count >> sbi->log_blocks_per_seg); + return -ENOSPC; + } + + SM_I(sbi)->additional_reserved_segments = wanted_reserved_segments; + + f2fs_info(sbi, "IO align feature needs additional reserved segment: %u", + wanted_reserved_segments); + + return 0; +} + static inline void adjust_unusable_cap_perc(struct f2fs_sb_info *sbi) { if (!F2FS_OPTION(sbi).unusable_cap_perc) @@ -3665,6 +3705,10 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent) goto free_nm; } + err = adjust_reserved_segment(sbi); + if (err) + goto free_nm; + /* For write statistics */ if (sb->s_bdev->bd_part) sbi->sectors_written_start = diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c index c420cbbd7d6d731b3be52ae8994879a19a931c0a..15ebf922251cdfd0fb722e505a153541588147e4 100644 --- a/fs/f2fs/sysfs.c +++ b/fs/f2fs/sysfs.c @@ -326,7 +326,9 @@ static ssize_t __sbi_store(struct f2fs_attr *a, if (a->struct_type == RESERVED_BLOCKS) { spin_lock(&sbi->stat_lock); if (t > (unsigned long)(sbi->user_block_count - - F2FS_OPTION(sbi).root_reserved_blocks)) { + F2FS_OPTION(sbi).root_reserved_blocks - + sbi->blocks_per_seg * + SM_I(sbi)->additional_reserved_segments)) { spin_unlock(&sbi->stat_lock); return -EINVAL; } diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c index b7a55a3009c1610ab651067c075ec029d82cc4b1..99ba42a267945f27a0bb554a296a4e91714da660 100644 --- a/fs/f2fs/xattr.c +++ b/fs/f2fs/xattr.c @@ -680,8 +680,17 @@ static int __f2fs_setxattr(struct inode *inode, int index, } last = here; - while (!IS_XATTR_LAST_ENTRY(last)) + while (!IS_XATTR_LAST_ENTRY(last)) { + if ((void *)(last) + sizeof(__u32) > last_base_addr || + (void *)XATTR_NEXT_ENTRY(last) > last_base_addr) { + f2fs_err(F2FS_I_SB(inode), "inode (%lu) has invalid last xattr entry, entry_size: %zu", + inode->i_ino, ENTRY_SIZE(last)); + set_sbi_flag(F2FS_I_SB(inode), SBI_NEED_FSCK); + error = -EFSCORRUPTED; + goto exit; + } last = XATTR_NEXT_ENTRY(last); + } newsize = XATTR_ALIGN(sizeof(struct f2fs_xattr_entry) + len + size); diff --git a/fs/file.c b/fs/file.c index e5d328335f88c508ebf38ca81dee757943122455..09cefc944f86d3c740a914c51896bdb29c480740 100644 --- a/fs/file.c +++ b/fs/file.c @@ -723,6 +723,10 @@ static struct file *__fget(unsigned int fd, fmode_t mask, unsigned int refs) file = NULL; else if (!get_file_rcu_many(file, refs)) goto loop; + else if (__fcheck_files(files, fd) != file) { + fput_many(file, refs); + goto loop; + } } rcu_read_unlock(); diff --git a/fs/fs_context.c b/fs/fs_context.c index a2367c7aef5b31fc550eb264f299176719d57980..e492a83fa100e5e67e12d714eb957438204bbefc 100644 --- a/fs/fs_context.c +++ b/fs/fs_context.c @@ -258,7 +258,7 @@ static struct fs_context *alloc_fs_context(struct file_system_type *fs_type, struct fs_context *fc; int ret = -ENOMEM; - fc = kzalloc(sizeof(struct fs_context), GFP_KERNEL); + fc = kzalloc(sizeof(struct fs_context), GFP_KERNEL_ACCOUNT); if (!fc) return ERR_PTR(-ENOMEM); @@ -686,7 +686,7 @@ const struct fs_context_operations legacy_fs_context_ops = { */ static int legacy_init_fs_context(struct fs_context *fc) { - fc->fs_private = kzalloc(sizeof(struct legacy_fs_context), GFP_KERNEL); + fc->fs_private = kzalloc(sizeof(struct legacy_fs_context), GFP_KERNEL_ACCOUNT); if (!fc->fs_private) return -ENOMEM; fc->ops = &legacy_fs_context_ops; diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index b85337d7723430a83d0942e0756c68d4c5438a98..e63a67e4f9faf57d8eb583ff4cdc243e6af557da 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -840,17 +840,17 @@ static int fuse_try_move_page(struct fuse_copy_state *cs, struct page **pagep) goto out_put_old; } + get_page(newpage); + + if (!(buf->flags & PIPE_BUF_FLAG_LRU)) + lru_cache_add_file(newpage); + /* * Release while we have extra ref on stolen page. Otherwise * anon_pipe_buf_release() might think the page can be reused. */ pipe_buf_release(cs->pipe, buf); - get_page(newpage); - - if (!(buf->flags & PIPE_BUF_FLAG_LRU)) - lru_cache_add_file(newpage); - err = 0; spin_lock(&cs->req->waitq.lock); if (test_bit(FR_ABORTED, &cs->req->flags)) diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c index d464f9c5c0de242bf5989c7db7413136fe375d3b..bae0ce5b6aec220826306315c756afb04ed7d917 100644 --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -1069,7 +1069,7 @@ int fuse_reverse_inval_entry(struct super_block *sb, u64 parent_nodeid, if (!parent) return -ENOENT; - inode_lock(parent); + inode_lock_nested(parent, I_MUTEX_PARENT); if (!S_ISDIR(parent->i_mode)) goto unlock; diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 1de59998e0e757a134295fc082aecb6d3a82a7c6..5cf13196ce69e26b7b84402a554e6f985ce9d59e 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -3188,7 +3188,7 @@ fuse_direct_IO(struct kiocb *iocb, struct iov_iter *iter) static int fuse_writeback_range(struct inode *inode, loff_t start, loff_t end) { - int err = filemap_write_and_wait_range(inode->i_mapping, start, -1); + int err = filemap_write_and_wait_range(inode->i_mapping, start, LLONG_MAX); if (!err) fuse_sync_writes(inode); diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c index aaec3c5b02028f66c1264fddc5b59d095b771714..dec5285a02e9da456a23842f21999dd32c9dbd77 100644 --- a/fs/gfs2/bmap.c +++ b/fs/gfs2/bmap.c @@ -940,7 +940,7 @@ static int gfs2_iomap_get(struct inode *inode, loff_t pos, loff_t length, else if (height == ip->i_height) ret = gfs2_hole_size(inode, lblock, len, mp, iomap); else - iomap->length = size - pos; + iomap->length = size - iomap->offset; } else if (flags & IOMAP_WRITE) { u64 alloc_size; diff --git a/fs/jffs2/file.c b/fs/jffs2/file.c index f8fb89b10227ce54d7267da042a07233bd9b331c..34880a4c217327c10e49e4b472ae82c99b570b63 100644 --- a/fs/jffs2/file.c +++ b/fs/jffs2/file.c @@ -135,20 +135,15 @@ static int jffs2_write_begin(struct file *filp, struct address_space *mapping, struct page *pg; struct inode *inode = mapping->host; struct jffs2_inode_info *f = JFFS2_INODE_INFO(inode); + struct jffs2_sb_info *c = JFFS2_SB_INFO(inode->i_sb); pgoff_t index = pos >> PAGE_SHIFT; uint32_t pageofs = index << PAGE_SHIFT; int ret = 0; - pg = grab_cache_page_write_begin(mapping, index, flags); - if (!pg) - return -ENOMEM; - *pagep = pg; - jffs2_dbg(1, "%s()\n", __func__); if (pageofs > inode->i_size) { /* Make new hole frag from old EOF to new page */ - struct jffs2_sb_info *c = JFFS2_SB_INFO(inode->i_sb); struct jffs2_raw_inode ri; struct jffs2_full_dnode *fn; uint32_t alloc_len; @@ -159,7 +154,7 @@ static int jffs2_write_begin(struct file *filp, struct address_space *mapping, ret = jffs2_reserve_space(c, sizeof(ri), &alloc_len, ALLOC_NORMAL, JFFS2_SUMMARY_INODE_SIZE); if (ret) - goto out_page; + goto out_err; mutex_lock(&f->sem); memset(&ri, 0, sizeof(ri)); @@ -189,7 +184,7 @@ static int jffs2_write_begin(struct file *filp, struct address_space *mapping, ret = PTR_ERR(fn); jffs2_complete_reservation(c); mutex_unlock(&f->sem); - goto out_page; + goto out_err; } ret = jffs2_add_full_dnode_to_inode(c, f, fn); if (f->metadata) { @@ -204,13 +199,26 @@ static int jffs2_write_begin(struct file *filp, struct address_space *mapping, jffs2_free_full_dnode(fn); jffs2_complete_reservation(c); mutex_unlock(&f->sem); - goto out_page; + goto out_err; } jffs2_complete_reservation(c); inode->i_size = pageofs; mutex_unlock(&f->sem); } + /* + * While getting a page and reading data in, lock c->alloc_sem until + * the page is Uptodate. Otherwise GC task may attempt to read the same + * page in read_cache_page(), which causes a deadlock. + */ + mutex_lock(&c->alloc_sem); + pg = grab_cache_page_write_begin(mapping, index, flags); + if (!pg) { + ret = -ENOMEM; + goto release_sem; + } + *pagep = pg; + /* * Read in the page if it wasn't already present. Cannot optimize away * the whole page write case until jffs2_write_end can handle the @@ -220,15 +228,17 @@ static int jffs2_write_begin(struct file *filp, struct address_space *mapping, mutex_lock(&f->sem); ret = jffs2_do_readpage_nolock(inode, pg); mutex_unlock(&f->sem); - if (ret) - goto out_page; + if (ret) { + unlock_page(pg); + put_page(pg); + goto release_sem; + } } jffs2_dbg(1, "end write_begin(). pg->flags %lx\n", pg->flags); - return ret; -out_page: - unlock_page(pg); - put_page(pg); +release_sem: + mutex_unlock(&c->alloc_sem); +out_err: return ret; } diff --git a/fs/namei.c b/fs/namei.c index c1919544f6d63b7fd494c3b68609cbbc3cb4006c..649dbbd8865b3036f55183bc7e9760478e2859ac 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -3962,13 +3962,12 @@ int vfs_rmdir(struct inode *dir, struct dentry *dentry) dentry->d_inode->i_flags |= S_DEAD; dont_mount(dentry); detach_mounts(dentry); - fsnotify_rmdir(dir, dentry); out: inode_unlock(dentry->d_inode); dput(dentry); if (!error) - d_delete(dentry); + d_delete_notify(dir, dentry); return error; } EXPORT_SYMBOL_NS(vfs_rmdir, ANDROID_GKI_VFS_EXPORT_ONLY); @@ -4079,7 +4078,6 @@ int vfs_unlink(struct inode *dir, struct dentry *dentry, struct inode **delegate if (!error) { dont_mount(dentry); detach_mounts(dentry); - fsnotify_unlink(dir, dentry); } } } @@ -4087,9 +4085,11 @@ int vfs_unlink(struct inode *dir, struct dentry *dentry, struct inode **delegate inode_unlock(target); /* We don't d_delete() NFS sillyrenamed files--they still exist. */ - if (!error && !(dentry->d_flags & DCACHE_NFSFS_RENAMED)) { + if (!error && dentry->d_flags & DCACHE_NFSFS_RENAMED) { + fsnotify_unlink(dir, dentry); + } else if (!error) { fsnotify_link_count(target); - d_delete(dentry); + d_delete_notify(dir, dentry); } return error; diff --git a/fs/nfs/callback.h b/fs/nfs/callback.h index 8f34daf85f7036a1573f78d8e95f27347cd7c639..5d5227ce4d91e8e48c61c4cc4b0f5c84baa44df1 100644 --- a/fs/nfs/callback.h +++ b/fs/nfs/callback.h @@ -168,7 +168,7 @@ struct cb_devicenotifyitem { }; struct cb_devicenotifyargs { - int ndevs; + uint32_t ndevs; struct cb_devicenotifyitem *devs; }; diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c index fc775b0b5194f8ea1b4b9b6ebb3121c2c2d0466b..b8a7b223b5b18ff0a1d19a78b55e45ad5771964c 100644 --- a/fs/nfs/callback_proc.c +++ b/fs/nfs/callback_proc.c @@ -364,7 +364,7 @@ __be32 nfs4_callback_devicenotify(void *argp, void *resp, struct cb_process_state *cps) { struct cb_devicenotifyargs *args = argp; - int i; + uint32_t i; __be32 res = 0; struct nfs_client *clp = cps->clp; struct nfs_server *server = NULL; diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c index 73a5a5ea2976680559bc59293ccb554598557a80..90b5511c4c440648082589ea81dd25516849f970 100644 --- a/fs/nfs/callback_xdr.c +++ b/fs/nfs/callback_xdr.c @@ -258,11 +258,9 @@ __be32 decode_devicenotify_args(struct svc_rqst *rqstp, void *argp) { struct cb_devicenotifyargs *args = argp; + uint32_t tmp, n, i; __be32 *p; __be32 status = 0; - u32 tmp; - int n, i; - args->ndevs = 0; /* Num of device notifications */ p = xdr_inline_decode(xdr, sizeof(uint32_t)); @@ -271,7 +269,7 @@ __be32 decode_devicenotify_args(struct svc_rqst *rqstp, goto out; } n = ntohl(*p++); - if (n <= 0) + if (n == 0) goto out; if (n > ULONG_MAX / sizeof(*args->devs)) { status = htonl(NFS4ERR_BADXDR); @@ -330,19 +328,21 @@ __be32 decode_devicenotify_args(struct svc_rqst *rqstp, dev->cbd_immediate = 0; } - args->ndevs++; - dprintk("%s: type %d layout 0x%x immediate %d\n", __func__, dev->cbd_notify_type, dev->cbd_layout_type, dev->cbd_immediate); } + args->ndevs = n; + dprintk("%s: ndevs %d\n", __func__, args->ndevs); + return 0; +err: + kfree(args->devs); out: + args->devs = NULL; + args->ndevs = 0; dprintk("%s: status %d ndevs %d\n", __func__, ntohl(status), args->ndevs); return status; -err: - kfree(args->devs); - goto out; } static __be32 decode_sessionid(struct xdr_stream *xdr, diff --git a/fs/nfs/client.c b/fs/nfs/client.c index af838d1ed281c0e0e51a31046587c882dbfa57c8..35abe63655a9dd200adc8d30cd7b8b235caa3eed 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -176,6 +176,7 @@ struct nfs_client *nfs_alloc_client(const struct nfs_client_initdata *cl_init) INIT_LIST_HEAD(&clp->cl_superblocks); clp->cl_rpcclient = ERR_PTR(-EINVAL); + clp->cl_flags = cl_init->init_flags; clp->cl_proto = cl_init->proto; clp->cl_nconnect = cl_init->nconnect; clp->cl_net = get_net(cl_init->net); @@ -419,7 +420,6 @@ struct nfs_client *nfs_get_client(const struct nfs_client_initdata *cl_init) list_add_tail(&new->cl_share_link, &nn->nfs_client_list); spin_unlock(&nn->nfs_client_lock); - new->cl_flags = cl_init->init_flags; return rpc_ops->init_client(new, cl_init); } diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index e7c0790308fe0150bc4753287cf70e93606ea7b1..f1c99fe486c4d32fee9a82f078cff48327a30643 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -1638,6 +1638,24 @@ int nfs_atomic_open(struct inode *dir, struct dentry *dentry, no_open: res = nfs_lookup(dir, dentry, lookup_flags); + if (!res) { + inode = d_inode(dentry); + if ((lookup_flags & LOOKUP_DIRECTORY) && inode && + !S_ISDIR(inode->i_mode)) + res = ERR_PTR(-ENOTDIR); + else if (inode && S_ISREG(inode->i_mode)) + res = ERR_PTR(-EOPENSTALE); + } else if (!IS_ERR(res)) { + inode = d_inode(res); + if ((lookup_flags & LOOKUP_DIRECTORY) && inode && + !S_ISDIR(inode->i_mode)) { + dput(res); + res = ERR_PTR(-ENOTDIR); + } else if (inode && S_ISREG(inode->i_mode)) { + dput(res); + res = ERR_PTR(-EOPENSTALE); + } + } if (switched) { d_lookup_done(dentry); if (!res) @@ -2035,6 +2053,8 @@ nfs_link(struct dentry *old_dentry, struct inode *dir, struct dentry *dentry) trace_nfs_link_enter(inode, dir, dentry); d_drop(dentry); + if (S_ISREG(inode->i_mode)) + nfs_sync_inode(inode); error = NFS_PROTO(dir)->link(inode, dir, &dentry->d_name); if (error == 0) { ihold(inode); @@ -2123,6 +2143,8 @@ int nfs_rename(struct inode *old_dir, struct dentry *old_dentry, } } + if (S_ISREG(old_inode->i_mode)) + nfs_sync_inode(old_inode); task = nfs_async_rename(old_dir, new_dir, old_dentry, new_dentry, NULL); if (IS_ERR(task)) { error = PTR_ERR(task); diff --git a/fs/nfs/nfs42proc.c b/fs/nfs/nfs42proc.c index 6b7c926824ae0ab349079d961954acf673ba828a..504812ea4bc2919f703cda27870f28c8786eb76a 100644 --- a/fs/nfs/nfs42proc.c +++ b/fs/nfs/nfs42proc.c @@ -295,8 +295,9 @@ static ssize_t _nfs42_proc_copy(struct file *src, goto out; } - truncate_pagecache_range(dst_inode, pos_dst, - pos_dst + res->write_res.count); + WARN_ON_ONCE(invalidate_inode_pages2_range(dst_inode->i_mapping, + pos_dst >> PAGE_SHIFT, + (pos_dst + res->write_res.count - 1) >> PAGE_SHIFT)); status = res->write_res.count; out: diff --git a/fs/nfs/nfs42xdr.c b/fs/nfs/nfs42xdr.c index aed865a8462963276e904d5782ab884743ff6a47..2b78f7b8d546769b6a6c653e6923f56d7d7195d4 100644 --- a/fs/nfs/nfs42xdr.c +++ b/fs/nfs/nfs42xdr.c @@ -769,8 +769,7 @@ static int nfs4_xdr_dec_clone(struct rpc_rqst *rqstp, status = decode_clone(xdr); if (status) goto out; - status = decode_getfattr(xdr, res->dst_fattr, res->server); - + decode_getfattr(xdr, res->dst_fattr, res->server); out: res->rpc_status = status; return status; diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h index 5708b5a636f19f842154c40e784b361824e6077c..ebd77a301057e0217c652178620bbfe06686f732 100644 --- a/fs/nfs/nfs4_fs.h +++ b/fs/nfs/nfs4_fs.h @@ -279,7 +279,8 @@ struct vfsmount *nfs4_submount(struct nfs_server *, struct dentry *, struct nfs_fh *, struct nfs_fattr *); int nfs4_replace_transport(struct nfs_server *server, const struct nfs4_fs_locations *locations); - +size_t nfs_parse_server_name(char *string, size_t len, struct sockaddr *sa, + size_t salen, struct net *net); /* nfs4proc.c */ extern int nfs4_handle_exception(struct nfs_server *, int, struct nfs4_exception *); extern int nfs4_async_handle_error(struct rpc_task *task, diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c index 8cace8350fa3d25c9fbd22e6681a024b36758b07..3671a51fe5ebc48ea39771225213c21ec8864052 100644 --- a/fs/nfs/nfs4client.c +++ b/fs/nfs/nfs4client.c @@ -1293,8 +1293,11 @@ int nfs4_update_server(struct nfs_server *server, const char *hostname, } nfs_put_client(clp); - if (server->nfs_client->cl_hostname == NULL) + if (server->nfs_client->cl_hostname == NULL) { server->nfs_client->cl_hostname = kstrdup(hostname, GFP_KERNEL); + if (server->nfs_client->cl_hostname == NULL) + return -ENOMEM; + } nfs_server_insert_lists(server); return nfs_probe_destination(server); diff --git a/fs/nfs/nfs4namespace.c b/fs/nfs/nfs4namespace.c index 2e460c33ae4873389cd5ce6e78dd8162bd055bc8..768258848a684b73b5a6b0d1ae53c766f0efc17d 100644 --- a/fs/nfs/nfs4namespace.c +++ b/fs/nfs/nfs4namespace.c @@ -121,8 +121,8 @@ static int nfs4_validate_fspath(struct dentry *dentry, return 0; } -static size_t nfs_parse_server_name(char *string, size_t len, - struct sockaddr *sa, size_t salen, struct net *net) +size_t nfs_parse_server_name(char *string, size_t len, struct sockaddr *sa, + size_t salen, struct net *net) { ssize_t ret; diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index ea680f619438b00527ecf9ccd848d9c85378b3a8..aa2caba38a014b954f5a4e3f73e05863af0ad31d 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -2070,6 +2070,9 @@ static int nfs4_try_migration(struct nfs_server *server, const struct cred *cred } result = -NFS4ERR_NXIO; + if (!locations->nlocations) + goto out; + if (!(locations->fattr.valid & NFS_ATTR_FATTR_V4_LOCATIONS)) { dprintk("<-- %s: No fs_locations data, migration skipped\n", __func__); diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index 9a022a4fb964357b0c65bdace45b7e5593a1b05c..2b7741fe42eadbf63f445f84640a0e0bdac87977 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -3683,8 +3683,6 @@ static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, st if (unlikely(!p)) goto out_eio; n = be32_to_cpup(p); - if (n <= 0) - goto out_eio; for (res->nlocations = 0; res->nlocations < n; res->nlocations++) { u32 m; struct nfs4_fs_location *loc; @@ -4187,10 +4185,11 @@ static int decode_attr_security_label(struct xdr_stream *xdr, uint32_t *bitmap, } else printk(KERN_WARNING "%s: label too long (%u)!\n", __func__, len); + if (label && label->label) + dprintk("%s: label=%.*s, len=%d, PI=%d, LFS=%d\n", + __func__, label->len, (char *)label->label, + label->len, label->pi, label->lfs); } - if (label && label->label) - dprintk("%s: label=%s, len=%d, PI=%d, LFS=%d\n", __func__, - (char *)label->label, label->len, label->pi, label->lfs); return status; } diff --git a/fs/nfsd/nfs3proc.c b/fs/nfsd/nfs3proc.c index cea68d8411ac520a02f671ef418027ce5064b831..bb97c020c96b157b04ab12fe2c22d3dc96629a94 100644 --- a/fs/nfsd/nfs3proc.c +++ b/fs/nfsd/nfs3proc.c @@ -195,6 +195,11 @@ nfsd3_proc_write(struct svc_rqst *rqstp) (unsigned long long) argp->offset, argp->stable? " stable" : ""); + resp->status = nfserr_fbig; + if (argp->offset > (u64)OFFSET_MAX || + argp->offset + argp->len > (u64)OFFSET_MAX) + return rpc_success; + fh_copy(&resp->fh, &argp->fh); resp->committed = argp->stable; nvecs = svc_fill_write_vector(rqstp, rqstp->rq_arg.pages, diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c index 4798667af647cf958f58e8b07084f1b3f8ac5aeb..452ed633a2c764838c4e74baddb4909030f4d8d6 100644 --- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c @@ -992,8 +992,9 @@ nfsd4_write(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, unsigned long cnt; int nvecs; - if (write->wr_offset >= OFFSET_MAX) - return nfserr_inval; + if (write->wr_offset > (u64)OFFSET_MAX || + write->wr_offset + write->wr_buflen > (u64)OFFSET_MAX) + return nfserr_fbig; cnt = write->wr_buflen; trace_nfsd_write_start(rqstp, &cstate->current_fh, diff --git a/fs/nfsd/nfs4recover.c b/fs/nfsd/nfs4recover.c index c35c0ebaf722c50f067d319f73e5dea0f42ff91f..7d408957ed6237cf3abf42c34bf2df6d6e5fca30 100644 --- a/fs/nfsd/nfs4recover.c +++ b/fs/nfsd/nfs4recover.c @@ -2177,6 +2177,7 @@ static struct notifier_block nfsd4_cld_block = { int register_cld_notifier(void) { + WARN_ON(!nfsd_net_id); return rpc_pipefs_notifier_register(&nfsd4_cld_block); } diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 3283cc2a4e42c393eccd318450830a4225e5c3c7..62eb78ac7437fb077bda33741649caf01a21ec87 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -1041,6 +1041,11 @@ hash_delegation_locked(struct nfs4_delegation *dp, struct nfs4_file *fp) return 0; } +static bool delegation_hashed(struct nfs4_delegation *dp) +{ + return !(list_empty(&dp->dl_perfile)); +} + static bool unhash_delegation_locked(struct nfs4_delegation *dp) { @@ -1048,7 +1053,7 @@ unhash_delegation_locked(struct nfs4_delegation *dp) lockdep_assert_held(&state_lock); - if (list_empty(&dp->dl_perfile)) + if (!delegation_hashed(dp)) return false; dp->dl_stid.sc_type = NFS4_CLOSED_DELEG_STID; @@ -3936,8 +3941,10 @@ nfsd4_setclientid_confirm(struct svc_rqst *rqstp, status = nfserr_clid_inuse; if (client_has_state(old) && !same_creds(&unconf->cl_cred, - &old->cl_cred)) + &old->cl_cred)) { + old = NULL; goto out; + } status = mark_client_expired_locked(old); if (status) { old = NULL; @@ -4406,7 +4413,7 @@ static void nfsd4_cb_recall_prepare(struct nfsd4_callback *cb) * queued for a lease break. Don't queue it again. */ spin_lock(&state_lock); - if (dp->dl_time == 0) { + if (delegation_hashed(dp) && dp->dl_time == 0) { dp->dl_time = get_seconds(); list_add_tail(&dp->dl_recall_lru, &nn->del_recall_lru); } diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c index 730386c130e0f1106003e46537a2236817de6be1..055cc0458f27075e86c1bf59b3fac80f1d4da1c8 100644 --- a/fs/nfsd/nfsctl.c +++ b/fs/nfsd/nfsctl.c @@ -1247,7 +1247,8 @@ static void nfsdfs_remove_file(struct inode *dir, struct dentry *dentry) clear_ncl(d_inode(dentry)); dget(dentry); ret = simple_unlink(dir, dentry); - d_delete(dentry); + d_drop(dentry); + fsnotify_unlink(dir, dentry); dput(dentry); WARN_ON_ONCE(ret); } @@ -1336,8 +1337,8 @@ void nfsd_client_rmdir(struct dentry *dentry) dget(dentry); ret = simple_rmdir(dir, dentry); WARN_ON_ONCE(ret); + d_drop(dentry); fsnotify_rmdir(dir, dentry); - d_delete(dentry); dput(dentry); inode_unlock(dir); } @@ -1526,12 +1527,9 @@ static int __init init_nfsd(void) int retval; printk(KERN_INFO "Installing knfsd (copyright (C) 1996 okir@monad.swb.de).\n"); - retval = register_cld_notifier(); - if (retval) - return retval; retval = nfsd4_init_slabs(); if (retval) - goto out_unregister_notifier; + return retval; retval = nfsd4_init_pnfs(); if (retval) goto out_free_slabs; @@ -1549,9 +1547,14 @@ static int __init init_nfsd(void) goto out_free_exports; retval = register_pernet_subsys(&nfsd_net_ops); if (retval < 0) + goto out_free_filesystem; + retval = register_cld_notifier(); + if (retval) goto out_free_all; return 0; out_free_all: + unregister_pernet_subsys(&nfsd_net_ops); +out_free_filesystem: unregister_filesystem(&nfsd_fs_type); out_free_exports: remove_proc_entry("fs/nfs/exports", NULL); @@ -1565,13 +1568,12 @@ static int __init init_nfsd(void) nfsd4_exit_pnfs(); out_free_slabs: nfsd4_free_slabs(); -out_unregister_notifier: - unregister_cld_notifier(); return retval; } static void __exit exit_nfsd(void) { + unregister_cld_notifier(); unregister_pernet_subsys(&nfsd_net_ops); nfsd_drc_slab_free(); remove_proc_entry("fs/nfs/exports", NULL); @@ -1582,7 +1584,6 @@ static void __exit exit_nfsd(void) nfsd4_exit_pnfs(); nfsd_fault_inject_cleanup(); unregister_filesystem(&nfsd_fs_type); - unregister_cld_notifier(); } MODULE_AUTHOR("Olaf Kirch "); diff --git a/fs/nfsd/trace.h b/fs/nfsd/trace.h index b073bdc2e6e898e4e77c093ae1b9aeb255281c02..127db5351d0164d3fc6db877e2e38de0d7c8701f 100644 --- a/fs/nfsd/trace.h +++ b/fs/nfsd/trace.h @@ -53,14 +53,14 @@ TRACE_EVENT(nfsd_compound_status, DECLARE_EVENT_CLASS(nfsd_io_class, TP_PROTO(struct svc_rqst *rqstp, struct svc_fh *fhp, - loff_t offset, - unsigned long len), + u64 offset, + u32 len), TP_ARGS(rqstp, fhp, offset, len), TP_STRUCT__entry( __field(u32, xid) __field(u32, fh_hash) - __field(loff_t, offset) - __field(unsigned long, len) + __field(u64, offset) + __field(u32, len) ), TP_fast_assign( __entry->xid = be32_to_cpu(rqstp->rq_xid); @@ -68,7 +68,7 @@ DECLARE_EVENT_CLASS(nfsd_io_class, __entry->offset = offset; __entry->len = len; ), - TP_printk("xid=0x%08x fh_hash=0x%08x offset=%lld len=%lu", + TP_printk("xid=0x%08x fh_hash=0x%08x offset=%llu len=%u", __entry->xid, __entry->fh_hash, __entry->offset, __entry->len) ) @@ -77,8 +77,8 @@ DECLARE_EVENT_CLASS(nfsd_io_class, DEFINE_EVENT(nfsd_io_class, nfsd_##name, \ TP_PROTO(struct svc_rqst *rqstp, \ struct svc_fh *fhp, \ - loff_t offset, \ - unsigned long len), \ + u64 offset, \ + u32 len), \ TP_ARGS(rqstp, fhp, offset, len)) DEFINE_NFSD_IO_EVENT(read_start); diff --git a/fs/ntfs/dir.c b/fs/ntfs/dir.c index 3c4811469ae863b89b2612b87c2662a62f317cd1..e278bfc5ee7ffd24df598d491ad781272595ff49 100644 --- a/fs/ntfs/dir.c +++ b/fs/ntfs/dir.c @@ -1503,7 +1503,7 @@ static int ntfs_dir_fsync(struct file *filp, loff_t start, loff_t end, na.type = AT_BITMAP; na.name = I30; na.name_len = 4; - bmp_vi = ilookup5(vi->i_sb, vi->i_ino, (test_t)ntfs_test_inode, &na); + bmp_vi = ilookup5(vi->i_sb, vi->i_ino, ntfs_test_inode, &na); if (bmp_vi) { write_inode_now(bmp_vi, !datasync); iput(bmp_vi); diff --git a/fs/ntfs/inode.c b/fs/ntfs/inode.c index 46dc16e01fe204154513ddf196f03d04fd5f638a..ea18e4a2a691df3a3679dbc56dfbf31596be21b0 100644 --- a/fs/ntfs/inode.c +++ b/fs/ntfs/inode.c @@ -30,10 +30,10 @@ /** * ntfs_test_inode - compare two (possibly fake) inodes for equality * @vi: vfs inode which to test - * @na: ntfs attribute which is being tested with + * @data: data which is being tested with * * Compare the ntfs attribute embedded in the ntfs specific part of the vfs - * inode @vi for equality with the ntfs attribute @na. + * inode @vi for equality with the ntfs attribute @data. * * If searching for the normal file/directory inode, set @na->type to AT_UNUSED. * @na->name and @na->name_len are then ignored. @@ -43,8 +43,9 @@ * NOTE: This function runs with the inode_hash_lock spin lock held so it is not * allowed to sleep. */ -int ntfs_test_inode(struct inode *vi, ntfs_attr *na) +int ntfs_test_inode(struct inode *vi, void *data) { + ntfs_attr *na = (ntfs_attr *)data; ntfs_inode *ni; if (vi->i_ino != na->mft_no) @@ -72,9 +73,9 @@ int ntfs_test_inode(struct inode *vi, ntfs_attr *na) /** * ntfs_init_locked_inode - initialize an inode * @vi: vfs inode to initialize - * @na: ntfs attribute which to initialize @vi to + * @data: data which to initialize @vi to * - * Initialize the vfs inode @vi with the values from the ntfs attribute @na in + * Initialize the vfs inode @vi with the values from the ntfs attribute @data in * order to enable ntfs_test_inode() to do its work. * * If initializing the normal file/directory inode, set @na->type to AT_UNUSED. @@ -87,8 +88,9 @@ int ntfs_test_inode(struct inode *vi, ntfs_attr *na) * NOTE: This function runs with the inode->i_lock spin lock held so it is not * allowed to sleep. (Hence the GFP_ATOMIC allocation.) */ -static int ntfs_init_locked_inode(struct inode *vi, ntfs_attr *na) +static int ntfs_init_locked_inode(struct inode *vi, void *data) { + ntfs_attr *na = (ntfs_attr *)data; ntfs_inode *ni = NTFS_I(vi); vi->i_ino = na->mft_no; @@ -131,7 +133,6 @@ static int ntfs_init_locked_inode(struct inode *vi, ntfs_attr *na) return 0; } -typedef int (*set_t)(struct inode *, void *); static int ntfs_read_locked_inode(struct inode *vi); static int ntfs_read_locked_attr_inode(struct inode *base_vi, struct inode *vi); static int ntfs_read_locked_index_inode(struct inode *base_vi, @@ -164,8 +165,8 @@ struct inode *ntfs_iget(struct super_block *sb, unsigned long mft_no) na.name = NULL; na.name_len = 0; - vi = iget5_locked(sb, mft_no, (test_t)ntfs_test_inode, - (set_t)ntfs_init_locked_inode, &na); + vi = iget5_locked(sb, mft_no, ntfs_test_inode, + ntfs_init_locked_inode, &na); if (unlikely(!vi)) return ERR_PTR(-ENOMEM); @@ -225,8 +226,8 @@ struct inode *ntfs_attr_iget(struct inode *base_vi, ATTR_TYPE type, na.name = name; na.name_len = name_len; - vi = iget5_locked(base_vi->i_sb, na.mft_no, (test_t)ntfs_test_inode, - (set_t)ntfs_init_locked_inode, &na); + vi = iget5_locked(base_vi->i_sb, na.mft_no, ntfs_test_inode, + ntfs_init_locked_inode, &na); if (unlikely(!vi)) return ERR_PTR(-ENOMEM); @@ -280,8 +281,8 @@ struct inode *ntfs_index_iget(struct inode *base_vi, ntfschar *name, na.name = name; na.name_len = name_len; - vi = iget5_locked(base_vi->i_sb, na.mft_no, (test_t)ntfs_test_inode, - (set_t)ntfs_init_locked_inode, &na); + vi = iget5_locked(base_vi->i_sb, na.mft_no, ntfs_test_inode, + ntfs_init_locked_inode, &na); if (unlikely(!vi)) return ERR_PTR(-ENOMEM); diff --git a/fs/ntfs/inode.h b/fs/ntfs/inode.h index 98e670fbdd31d2d25cb9c7e7ae528557c1c05d22..363e4e8206738dd5267eb0b4e079336b208d08ff 100644 --- a/fs/ntfs/inode.h +++ b/fs/ntfs/inode.h @@ -253,9 +253,7 @@ typedef struct { ATTR_TYPE type; } ntfs_attr; -typedef int (*test_t)(struct inode *, void *); - -extern int ntfs_test_inode(struct inode *vi, ntfs_attr *na); +extern int ntfs_test_inode(struct inode *vi, void *data); extern struct inode *ntfs_iget(struct super_block *sb, unsigned long mft_no); extern struct inode *ntfs_attr_iget(struct inode *base_vi, ATTR_TYPE type, diff --git a/fs/ntfs/mft.c b/fs/ntfs/mft.c index 3aac5c917afe73b02f2ca5a6f63f347ffb69f629..58234b42d68f1f53031ccd3f6e813af822fac893 100644 --- a/fs/ntfs/mft.c +++ b/fs/ntfs/mft.c @@ -958,7 +958,7 @@ bool ntfs_may_write_mft_record(ntfs_volume *vol, const unsigned long mft_no, * dirty code path of the inode dirty code path when writing * $MFT occurs. */ - vi = ilookup5_nowait(sb, mft_no, (test_t)ntfs_test_inode, &na); + vi = ilookup5_nowait(sb, mft_no, ntfs_test_inode, &na); } if (vi) { ntfs_debug("Base inode 0x%lx is in icache.", mft_no); @@ -1019,7 +1019,7 @@ bool ntfs_may_write_mft_record(ntfs_volume *vol, const unsigned long mft_no, vi = igrab(mft_vi); BUG_ON(vi != mft_vi); } else - vi = ilookup5_nowait(sb, na.mft_no, (test_t)ntfs_test_inode, + vi = ilookup5_nowait(sb, na.mft_no, ntfs_test_inode, &na); if (!vi) { /* diff --git a/fs/orangefs/orangefs-bufmap.c b/fs/orangefs/orangefs-bufmap.c index 2bb916d68576fa01e4431017fa812907e117049b..023b9bc54b7ce1f113b3185d49f8edfb4acf65b4 100644 --- a/fs/orangefs/orangefs-bufmap.c +++ b/fs/orangefs/orangefs-bufmap.c @@ -179,7 +179,7 @@ orangefs_bufmap_free(struct orangefs_bufmap *bufmap) { kfree(bufmap->page_array); kfree(bufmap->desc_array); - kfree(bufmap->buffer_index_array); + bitmap_free(bufmap->buffer_index_array); kfree(bufmap); } @@ -229,8 +229,7 @@ orangefs_bufmap_alloc(struct ORANGEFS_dev_map_desc *user_desc) bufmap->desc_size = user_desc->size; bufmap->desc_shift = ilog2(bufmap->desc_size); - bufmap->buffer_index_array = - kzalloc(DIV_ROUND_UP(bufmap->desc_count, BITS_PER_LONG), GFP_KERNEL); + bufmap->buffer_index_array = bitmap_zalloc(bufmap->desc_count, GFP_KERNEL); if (!bufmap->buffer_index_array) goto out_free_bufmap; @@ -253,7 +252,7 @@ orangefs_bufmap_alloc(struct ORANGEFS_dev_map_desc *user_desc) out_free_desc_array: kfree(bufmap->desc_array); out_free_index_array: - kfree(bufmap->buffer_index_array); + bitmap_free(bufmap->buffer_index_array); out_free_bufmap: kfree(bufmap); out: diff --git a/fs/overlayfs/dir.c b/fs/overlayfs/dir.c index d8212076882d4f49e7dc2947088f15a4de637cdd..7a70ace83307c431772964fdc2511e8545b1f3c3 100644 --- a/fs/overlayfs/dir.c +++ b/fs/overlayfs/dir.c @@ -113,8 +113,7 @@ int ovl_cleanup_and_whiteout(struct dentry *workdir, struct inode *dir, goto out; } -static int ovl_mkdir_real(struct inode *dir, struct dentry **newdentry, - umode_t mode) +int ovl_mkdir_real(struct inode *dir, struct dentry **newdentry, umode_t mode) { int err; struct dentry *d, *dentry = *newdentry; diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h index ab9802242857f4682fb825cfa1c5d059ebda979d..de124e4e3f55f9dca68771bf3a997bf710a06677 100644 --- a/fs/overlayfs/overlayfs.h +++ b/fs/overlayfs/overlayfs.h @@ -418,6 +418,7 @@ struct ovl_cattr { #define OVL_CATTR(m) (&(struct ovl_cattr) { .mode = (m) }) +int ovl_mkdir_real(struct inode *dir, struct dentry **newdentry, umode_t mode); struct dentry *ovl_create_real(struct inode *dir, struct dentry *newdentry, struct ovl_cattr *attr); int ovl_cleanup(struct inode *dir, struct dentry *dentry); diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c index 0d12ef5f4999ff6368962f4e0aaab784dbd27639..a66453f2fe4403930ee85c555c5f977cc4025265 100644 --- a/fs/overlayfs/super.c +++ b/fs/overlayfs/super.c @@ -671,10 +671,14 @@ static struct dentry *ovl_workdir_create(struct ovl_fs *ofs, goto retry; } - work = ovl_create_real(dir, work, OVL_CATTR(attr.ia_mode)); - err = PTR_ERR(work); - if (IS_ERR(work)) - goto out_err; + err = ovl_mkdir_real(dir, &work, attr.ia_mode); + if (err) + goto out_dput; + + /* Weird filesystem returning with hashed negative (kernfs)? */ + err = -EINVAL; + if (d_really_is_negative(work)) + goto out_dput; /* * Try to remove POSIX ACL xattrs from workdir. We are good if: diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c index 080ca9d5eccbb4d6e63ae06c1b4808300d715db4..b1102a31a108527b49684e4b8bee72cf64dac13e 100644 --- a/fs/proc/vmcore.c +++ b/fs/proc/vmcore.c @@ -125,9 +125,13 @@ ssize_t read_from_oldmem(char *buf, size_t count, nr_bytes = count; /* If pfn is not ram, return zeros for sparse dump files */ - if (pfn_is_ram(pfn) == 0) - memset(buf, 0, nr_bytes); - else { + if (pfn_is_ram(pfn) == 0) { + tmp = 0; + if (!userbuf) + memset(buf, 0, nr_bytes); + else if (clear_user(buf, nr_bytes)) + tmp = -EFAULT; + } else { if (encrypted) tmp = copy_oldmem_page_encrypted(pfn, buf, nr_bytes, @@ -136,10 +140,10 @@ ssize_t read_from_oldmem(char *buf, size_t count, else tmp = copy_oldmem_page(pfn, buf, nr_bytes, offset, userbuf); - - if (tmp < 0) - return tmp; } + if (tmp < 0) + return tmp; + *ppos += nr_bytes; count -= nr_bytes; buf += nr_bytes; diff --git a/fs/select.c b/fs/select.c index e51796063cb6eacf6256688fb9a8a6650e5cf140..7716d9d5be1e855ed101c9ae90ed850ae61002ed 100644 --- a/fs/select.c +++ b/fs/select.c @@ -458,9 +458,11 @@ static int max_select_fd(unsigned long n, fd_set_bits *fds) return max; } -#define POLLIN_SET (EPOLLRDNORM | EPOLLRDBAND | EPOLLIN | EPOLLHUP | EPOLLERR) -#define POLLOUT_SET (EPOLLWRBAND | EPOLLWRNORM | EPOLLOUT | EPOLLERR) -#define POLLEX_SET (EPOLLPRI) +#define POLLIN_SET (EPOLLRDNORM | EPOLLRDBAND | EPOLLIN | EPOLLHUP | EPOLLERR |\ + EPOLLNVAL) +#define POLLOUT_SET (EPOLLWRBAND | EPOLLWRNORM | EPOLLOUT | EPOLLERR |\ + EPOLLNVAL) +#define POLLEX_SET (EPOLLPRI | EPOLLNVAL) static inline void wait_key_set(poll_table *wait, unsigned long in, unsigned long out, unsigned long bit, @@ -527,6 +529,7 @@ static int do_select(int n, fd_set_bits *fds, struct timespec64 *end_time) break; if (!(bit & all_bits)) continue; + mask = EPOLLNVAL; f = fdget(i); if (f.file) { wait_key_set(wait, in, out, bit, @@ -534,34 +537,34 @@ static int do_select(int n, fd_set_bits *fds, struct timespec64 *end_time) mask = vfs_poll(f.file, wait); fdput(f); - if ((mask & POLLIN_SET) && (in & bit)) { - res_in |= bit; - retval++; - wait->_qproc = NULL; - } - if ((mask & POLLOUT_SET) && (out & bit)) { - res_out |= bit; - retval++; - wait->_qproc = NULL; - } - if ((mask & POLLEX_SET) && (ex & bit)) { - res_ex |= bit; - retval++; - wait->_qproc = NULL; - } - /* got something, stop busy polling */ - if (retval) { - can_busy_loop = false; - busy_flag = 0; - - /* - * only remember a returned - * POLL_BUSY_LOOP if we asked for it - */ - } else if (busy_flag & mask) - can_busy_loop = true; - } + if ((mask & POLLIN_SET) && (in & bit)) { + res_in |= bit; + retval++; + wait->_qproc = NULL; + } + if ((mask & POLLOUT_SET) && (out & bit)) { + res_out |= bit; + retval++; + wait->_qproc = NULL; + } + if ((mask & POLLEX_SET) && (ex & bit)) { + res_ex |= bit; + retval++; + wait->_qproc = NULL; + } + /* got something, stop busy polling */ + if (retval) { + can_busy_loop = false; + busy_flag = 0; + + /* + * only remember a returned + * POLL_BUSY_LOOP if we asked for it + */ + } else if (busy_flag & mask) + can_busy_loop = true; + } if (res_in) *rinp = res_in; diff --git a/fs/super.c b/fs/super.c index 877532baf513dd44963a11d6dae6f25950fd22f1..b289356f302fc864e78f37198ecc4a77a50c2df9 100644 --- a/fs/super.c +++ b/fs/super.c @@ -1470,8 +1470,8 @@ struct dentry *mount_nodev(struct file_system_type *fs_type, } EXPORT_SYMBOL(mount_nodev); -static int reconfigure_single(struct super_block *s, - int flags, void *data) +int reconfigure_single(struct super_block *s, + int flags, void *data) { struct fs_context *fc; int ret; diff --git a/fs/tracefs/inode.c b/fs/tracefs/inode.c index 0caa151cae4ee101d13cd218b695b98787b730ad..a079d181b17e8f944078ae6564ce25ad5684a984 100644 --- a/fs/tracefs/inode.c +++ b/fs/tracefs/inode.c @@ -159,6 +159,77 @@ struct tracefs_fs_info { struct tracefs_mount_opts mount_opts; }; +static void change_gid(struct dentry *dentry, kgid_t gid) +{ + if (!dentry->d_inode) + return; + dentry->d_inode->i_gid = gid; +} + +/* + * Taken from d_walk, but without he need for handling renames. + * Nothing can be renamed while walking the list, as tracefs + * does not support renames. This is only called when mounting + * or remounting the file system, to set all the files to + * the given gid. + */ +static void set_gid(struct dentry *parent, kgid_t gid) +{ + struct dentry *this_parent; + struct list_head *next; + + this_parent = parent; + spin_lock(&this_parent->d_lock); + + change_gid(this_parent, gid); +repeat: + next = this_parent->d_subdirs.next; +resume: + while (next != &this_parent->d_subdirs) { + struct list_head *tmp = next; + struct dentry *dentry = list_entry(tmp, struct dentry, d_child); + next = tmp->next; + + spin_lock_nested(&dentry->d_lock, DENTRY_D_LOCK_NESTED); + + change_gid(dentry, gid); + + if (!list_empty(&dentry->d_subdirs)) { + spin_unlock(&this_parent->d_lock); + spin_release(&dentry->d_lock.dep_map, 1, _RET_IP_); + this_parent = dentry; + spin_acquire(&this_parent->d_lock.dep_map, 0, 1, _RET_IP_); + goto repeat; + } + spin_unlock(&dentry->d_lock); + } + /* + * All done at this level ... ascend and resume the search. + */ + rcu_read_lock(); +ascend: + if (this_parent != parent) { + struct dentry *child = this_parent; + this_parent = child->d_parent; + + spin_unlock(&child->d_lock); + spin_lock(&this_parent->d_lock); + + /* go into the first sibling still alive */ + do { + next = child->d_child.next; + if (next == &this_parent->d_subdirs) + goto ascend; + child = list_entry(next, struct dentry, d_child); + } while (unlikely(child->d_flags & DCACHE_DENTRY_KILLED)); + rcu_read_unlock(); + goto resume; + } + rcu_read_unlock(); + spin_unlock(&this_parent->d_lock); + return; +} + static int tracefs_parse_options(char *data, struct tracefs_mount_opts *opts) { substring_t args[MAX_OPT_ARGS]; @@ -191,6 +262,7 @@ static int tracefs_parse_options(char *data, struct tracefs_mount_opts *opts) if (!gid_valid(gid)) return -EINVAL; opts->gid = gid; + set_gid(tracefs_mount->mnt_root, gid); break; case Opt_mode: if (match_octal(&args[0], &option)) @@ -409,6 +481,8 @@ struct dentry *tracefs_create_file(const char *name, umode_t mode, inode->i_mode = mode; inode->i_fop = fops ? fops : &tracefs_file_operations; inode->i_private = data; + inode->i_uid = d_inode(dentry->d_parent)->i_uid; + inode->i_gid = d_inode(dentry->d_parent)->i_gid; d_instantiate(dentry, inode); fsnotify_create(dentry->d_parent->d_inode, dentry); return end_creating(dentry); @@ -430,6 +504,8 @@ static struct dentry *__create_dir(const char *name, struct dentry *parent, inode->i_mode = S_IFDIR | S_IRWXU | S_IRUGO | S_IXUGO; inode->i_op = ops; inode->i_fop = &simple_dir_operations; + inode->i_uid = d_inode(dentry->d_parent)->i_uid; + inode->i_gid = d_inode(dentry->d_parent)->i_gid; /* directory inodes start off with i_nlink == 2 (for "." entry) */ inc_nlink(inode); diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c index 2cbc3c36f3a8c44f6573c4220004301c388edb0a..b37c6b1e3325366958a173e8a84c787eabf01470 100644 --- a/fs/ubifs/super.c +++ b/fs/ubifs/super.c @@ -1835,7 +1835,6 @@ static int ubifs_remount_rw(struct ubifs_info *c) kthread_stop(c->bgt); c->bgt = NULL; } - free_wbufs(c); kfree(c->write_reserve_buf); c->write_reserve_buf = NULL; vfree(c->ileb_buf); diff --git a/fs/udf/dir.c b/fs/udf/dir.c index c19dba45aa2096d010e536b2dab31ba62eb29824..d0f92a52e3babdc689354df59ec0c6787886f922 100644 --- a/fs/udf/dir.c +++ b/fs/udf/dir.c @@ -31,6 +31,7 @@ #include #include #include +#include #include "udf_i.h" #include "udf_sb.h" @@ -44,7 +45,7 @@ static int udf_readdir(struct file *file, struct dir_context *ctx) struct fileIdentDesc *fi = NULL; struct fileIdentDesc cfi; udf_pblk_t block, iblock; - loff_t nf_pos; + loff_t nf_pos, emit_pos = 0; int flen; unsigned char *fname = NULL, *copy_name = NULL; unsigned char *nameptr; @@ -58,6 +59,7 @@ static int udf_readdir(struct file *file, struct dir_context *ctx) int i, num, ret = 0; struct extent_position epos = { NULL, 0, {0, 0} }; struct super_block *sb = dir->i_sb; + bool pos_valid = false; if (ctx->pos == 0) { if (!dir_emit_dot(file, ctx)) @@ -68,6 +70,21 @@ static int udf_readdir(struct file *file, struct dir_context *ctx) if (nf_pos >= size) goto out; + /* + * Something changed since last readdir (either lseek was called or dir + * changed)? We need to verify the position correctly points at the + * beginning of some dir entry so that the directory parsing code does + * not get confused. Since UDF does not have any reliable way of + * identifying beginning of dir entry (names are under user control), + * we need to scan the directory from the beginning. + */ + if (!inode_eq_iversion(dir, file->f_version)) { + emit_pos = nf_pos; + nf_pos = 0; + } else { + pos_valid = true; + } + fname = kmalloc(UDF_NAME_LEN, GFP_NOFS); if (!fname) { ret = -ENOMEM; @@ -123,13 +140,21 @@ static int udf_readdir(struct file *file, struct dir_context *ctx) while (nf_pos < size) { struct kernel_lb_addr tloc; + loff_t cur_pos = nf_pos; - ctx->pos = (nf_pos >> 2) + 1; + /* Update file position only if we got past the current one */ + if (nf_pos >= emit_pos) { + ctx->pos = (nf_pos >> 2) + 1; + pos_valid = true; + } fi = udf_fileident_read(dir, &nf_pos, &fibh, &cfi, &epos, &eloc, &elen, &offset); if (!fi) goto out; + /* Still not at offset where user asked us to read from? */ + if (cur_pos < emit_pos) + continue; liu = le16_to_cpu(cfi.lengthOfImpUse); lfi = cfi.lengthFileIdent; @@ -187,8 +212,11 @@ static int udf_readdir(struct file *file, struct dir_context *ctx) } /* end while */ ctx->pos = (nf_pos >> 2) + 1; + pos_valid = true; out: + if (pos_valid) + file->f_version = inode_query_iversion(dir); if (fibh.sbh != fibh.ebh) brelse(fibh.ebh); brelse(fibh.sbh); diff --git a/fs/udf/inode.c b/fs/udf/inode.c index 507f8f910327081aca198227fa50b88669f3db18..639aabf30eaf080cd1289f80430c9d69ef95e338 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -258,10 +258,6 @@ int udf_expand_file_adinicb(struct inode *inode) char *kaddr; struct udf_inode_info *iinfo = UDF_I(inode); int err; - struct writeback_control udf_wbc = { - .sync_mode = WB_SYNC_NONE, - .nr_to_write = 1, - }; WARN_ON_ONCE(!inode_is_locked(inode)); if (!iinfo->i_lenAlloc) { @@ -305,8 +301,10 @@ int udf_expand_file_adinicb(struct inode *inode) iinfo->i_alloc_type = ICBTAG_FLAG_AD_LONG; /* from now on we have normal address_space methods */ inode->i_data.a_ops = &udf_aops; + set_page_dirty(page); + unlock_page(page); up_write(&iinfo->i_data_sem); - err = inode->i_data.a_ops->writepage(page, &udf_wbc); + err = filemap_fdatawrite(inode->i_mapping); if (err) { /* Restore everything back so that we don't lose data... */ lock_page(page); @@ -318,6 +316,7 @@ int udf_expand_file_adinicb(struct inode *inode) unlock_page(page); iinfo->i_alloc_type = ICBTAG_FLAG_AD_IN_ICB; inode->i_data.a_ops = &udf_adinicb_aops; + iinfo->i_lenAlloc = inode->i_size; up_write(&iinfo->i_data_sem); } put_page(page); diff --git a/fs/udf/namei.c b/fs/udf/namei.c index 3c3d3b20889c83a4c5c631c687a090debf8e2ab1..3c009562375d3c12c8919f2195b428a5f1c2c6fb 100644 --- a/fs/udf/namei.c +++ b/fs/udf/namei.c @@ -30,6 +30,7 @@ #include #include #include +#include static inline int udf_match(int len1, const unsigned char *name1, int len2, const unsigned char *name2) @@ -135,6 +136,8 @@ int udf_write_fi(struct inode *inode, struct fileIdentDesc *cfi, mark_buffer_dirty_inode(fibh->ebh, inode); mark_buffer_dirty_inode(fibh->sbh, inode); } + inode_inc_iversion(inode); + return 0; } diff --git a/fs/udf/super.c b/fs/udf/super.c index 5663bae95700ca862f6502a3aa95c5b35f34debb..5193b94c06834cdb90c103f8c20a5c7fb3bc4b21 100644 --- a/fs/udf/super.c +++ b/fs/udf/super.c @@ -57,6 +57,7 @@ #include #include #include +#include #include "udf_sb.h" #include "udf_i.h" @@ -149,6 +150,7 @@ static struct inode *udf_alloc_inode(struct super_block *sb) init_rwsem(&ei->i_data_sem); ei->cached_extent.lstart = -1; spin_lock_init(&ei->i_extent_cache_lock); + inode_set_iversion(&ei->vfs_inode, 1); return &ei->vfs_inode; } diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c index b3021d9b34a5e6395bfe699a0f30a6c6d21275a4..7b7a009425e21e07b218653db1c634e1a89fce59 100644 --- a/fs/xfs/xfs_ioctl.c +++ b/fs/xfs/xfs_ioctl.c @@ -714,7 +714,8 @@ xfs_ioc_space( flags |= XFS_PREALLOC_CLEAR; if (bf->l_start > XFS_ISIZE(ip)) { error = xfs_alloc_file_space(ip, XFS_ISIZE(ip), - bf->l_start - XFS_ISIZE(ip), 0); + bf->l_start - XFS_ISIZE(ip), + XFS_BMAPI_PREALLOC); if (error) goto out_unlock; } diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h index 9373662cdb44f04fdcd83aafc5819e8ac92106e9..ff5fecff51167241e06e84645ee3ebc26363f237 100644 --- a/include/acpi/actypes.h +++ b/include/acpi/actypes.h @@ -536,8 +536,14 @@ typedef u64 acpi_integer; * Can be used with access_width of struct acpi_generic_address and access_size of * struct acpi_resource_generic_register. */ -#define ACPI_ACCESS_BIT_WIDTH(size) (1 << ((size) + 2)) -#define ACPI_ACCESS_BYTE_WIDTH(size) (1 << ((size) - 1)) +#define ACPI_ACCESS_BIT_SHIFT 2 +#define ACPI_ACCESS_BYTE_SHIFT -1 +#define ACPI_ACCESS_BIT_MAX (31 - ACPI_ACCESS_BIT_SHIFT) +#define ACPI_ACCESS_BYTE_MAX (31 - ACPI_ACCESS_BYTE_SHIFT) +#define ACPI_ACCESS_BIT_DEFAULT (8 - ACPI_ACCESS_BIT_SHIFT) +#define ACPI_ACCESS_BYTE_DEFAULT (8 - ACPI_ACCESS_BYTE_SHIFT) +#define ACPI_ACCESS_BIT_WIDTH(size) (1 << ((size) + ACPI_ACCESS_BIT_SHIFT)) +#define ACPI_ACCESS_BYTE_WIDTH(size) (1 << ((size) + ACPI_ACCESS_BYTE_SHIFT)) /******************************************************************************* * diff --git a/include/asm-generic/tlb.h b/include/asm-generic/tlb.h index c716ea81e65317a2dfa5e56b6bc3a17f9f282509..46294ef620ff988256b8f8aeb359ac4ff4ca9ebd 100644 --- a/include/asm-generic/tlb.h +++ b/include/asm-generic/tlb.h @@ -495,6 +495,38 @@ static inline void tlb_end_vma(struct mmu_gather *tlb, struct vm_area_struct *vm } #endif +/* + * tlb_flush_{pte|pmd|pud|p4d}_range() adjust the tlb->start and tlb->end, + * and set corresponding cleared_*. + */ +static inline void tlb_flush_pte_range(struct mmu_gather *tlb, + unsigned long address, unsigned long size) +{ + __tlb_adjust_range(tlb, address, size); + tlb->cleared_ptes = 1; +} + +static inline void tlb_flush_pmd_range(struct mmu_gather *tlb, + unsigned long address, unsigned long size) +{ + __tlb_adjust_range(tlb, address, size); + tlb->cleared_pmds = 1; +} + +static inline void tlb_flush_pud_range(struct mmu_gather *tlb, + unsigned long address, unsigned long size) +{ + __tlb_adjust_range(tlb, address, size); + tlb->cleared_puds = 1; +} + +static inline void tlb_flush_p4d_range(struct mmu_gather *tlb, + unsigned long address, unsigned long size) +{ + __tlb_adjust_range(tlb, address, size); + tlb->cleared_p4ds = 1; +} + #ifndef __tlb_remove_tlb_entry #define __tlb_remove_tlb_entry(tlb, ptep, address) do { } while (0) #endif @@ -508,19 +540,17 @@ static inline void tlb_end_vma(struct mmu_gather *tlb, struct vm_area_struct *vm */ #define tlb_remove_tlb_entry(tlb, ptep, address) \ do { \ - __tlb_adjust_range(tlb, address, PAGE_SIZE); \ - tlb->cleared_ptes = 1; \ + tlb_flush_pte_range(tlb, address, PAGE_SIZE); \ __tlb_remove_tlb_entry(tlb, ptep, address); \ } while (0) #define tlb_remove_huge_tlb_entry(h, tlb, ptep, address) \ do { \ unsigned long _sz = huge_page_size(h); \ - __tlb_adjust_range(tlb, address, _sz); \ if (_sz == PMD_SIZE) \ - tlb->cleared_pmds = 1; \ + tlb_flush_pmd_range(tlb, address, _sz); \ else if (_sz == PUD_SIZE) \ - tlb->cleared_puds = 1; \ + tlb_flush_pud_range(tlb, address, _sz); \ __tlb_remove_tlb_entry(tlb, ptep, address); \ } while (0) @@ -534,8 +564,7 @@ static inline void tlb_end_vma(struct mmu_gather *tlb, struct vm_area_struct *vm #define tlb_remove_pmd_tlb_entry(tlb, pmdp, address) \ do { \ - __tlb_adjust_range(tlb, address, HPAGE_PMD_SIZE); \ - tlb->cleared_pmds = 1; \ + tlb_flush_pmd_range(tlb, address, HPAGE_PMD_SIZE); \ __tlb_remove_pmd_tlb_entry(tlb, pmdp, address); \ } while (0) @@ -549,8 +578,7 @@ static inline void tlb_end_vma(struct mmu_gather *tlb, struct vm_area_struct *vm #define tlb_remove_pud_tlb_entry(tlb, pudp, address) \ do { \ - __tlb_adjust_range(tlb, address, HPAGE_PUD_SIZE); \ - tlb->cleared_puds = 1; \ + tlb_flush_pud_range(tlb, address, HPAGE_PUD_SIZE); \ __tlb_remove_pud_tlb_entry(tlb, pudp, address); \ } while (0) @@ -575,9 +603,8 @@ static inline void tlb_end_vma(struct mmu_gather *tlb, struct vm_area_struct *vm #ifndef pte_free_tlb #define pte_free_tlb(tlb, ptep, address) \ do { \ - __tlb_adjust_range(tlb, address, PAGE_SIZE); \ + tlb_flush_pmd_range(tlb, address, PAGE_SIZE); \ tlb->freed_tables = 1; \ - tlb->cleared_pmds = 1; \ __pte_free_tlb(tlb, ptep, address); \ } while (0) #endif @@ -585,9 +612,8 @@ static inline void tlb_end_vma(struct mmu_gather *tlb, struct vm_area_struct *vm #ifndef pmd_free_tlb #define pmd_free_tlb(tlb, pmdp, address) \ do { \ - __tlb_adjust_range(tlb, address, PAGE_SIZE); \ + tlb_flush_pud_range(tlb, address, PAGE_SIZE); \ tlb->freed_tables = 1; \ - tlb->cleared_puds = 1; \ __pmd_free_tlb(tlb, pmdp, address); \ } while (0) #endif @@ -596,9 +622,8 @@ static inline void tlb_end_vma(struct mmu_gather *tlb, struct vm_area_struct *vm #ifndef pud_free_tlb #define pud_free_tlb(tlb, pudp, address) \ do { \ - __tlb_adjust_range(tlb, address, PAGE_SIZE); \ + tlb_flush_p4d_range(tlb, address, PAGE_SIZE); \ tlb->freed_tables = 1; \ - tlb->cleared_p4ds = 1; \ __pud_free_tlb(tlb, pudp, address); \ } while (0) #endif diff --git a/include/linux/fs_context.h b/include/linux/fs_context.h index ba8a58754340d5c9da9c07734b6d75154fd87a1d..ebcb91a57e865aa5f84236dd4af7dc2f4f9bffa4 100644 --- a/include/linux/fs_context.h +++ b/include/linux/fs_context.h @@ -135,6 +135,8 @@ extern int generic_parse_monolithic(struct fs_context *fc, void *data); extern int vfs_get_tree(struct fs_context *fc); extern void put_fs_context(struct fs_context *fc); extern void fc_drop_locked(struct fs_context *fc); +int reconfigure_single(struct super_block *s, + int flags, void *data); /* * sget() wrappers to be called from the ->get_tree() op. diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h index e018872b047c5c1cbf4d36c6e59075a98a0f0d1c..0a93c413f91b9b7a8ad04d135d4cc014be1f27b0 100644 --- a/include/linux/fsnotify.h +++ b/include/linux/fsnotify.h @@ -188,6 +188,42 @@ static inline void fsnotify_link(struct inode *dir, struct inode *inode, struct fsnotify(dir, FS_CREATE, inode, FSNOTIFY_EVENT_INODE, &new_dentry->d_name, 0); } +/* + * fsnotify_delete - @dentry was unlinked and unhashed + * + * Caller must make sure that dentry->d_name is stable. + * + * Note: unlike fsnotify_unlink(), we have to pass also the unlinked inode + * as this may be called after d_delete() and old_dentry may be negative. + */ +static inline void fsnotify_delete(struct inode *dir, struct inode *inode, + struct dentry *dentry) +{ + __u32 mask = FS_DELETE; + + if (S_ISDIR(inode->i_mode)) + mask |= FS_ISDIR; + + fsnotify(dir, mask, inode, FSNOTIFY_EVENT_INODE, &dentry->d_name, 0); +} + +/** + * d_delete_notify - delete a dentry and call fsnotify_delete() + * @dentry: The dentry to delete + * + * This helper is used to guaranty that the unlinked inode cannot be found + * by lookup of this name after fsnotify_delete() event has been delivered. + */ +static inline void d_delete_notify(struct inode *dir, struct dentry *dentry) +{ + struct inode *inode = d_inode(dentry); + + ihold(inode); + d_delete(dentry); + fsnotify_delete(dir, inode, dentry); + iput(inode); +} + /* * fsnotify_unlink - 'name' was unlinked * @@ -195,10 +231,10 @@ static inline void fsnotify_link(struct inode *dir, struct inode *inode, struct */ static inline void fsnotify_unlink(struct inode *dir, struct dentry *dentry) { - /* Expected to be called before d_delete() */ - WARN_ON_ONCE(d_is_negative(dentry)); + if (WARN_ON_ONCE(d_is_negative(dentry))) + return; - fsnotify_dirent(dir, dentry, FS_DELETE); + fsnotify_delete(dir, d_inode(dentry), dentry); } /* @@ -218,10 +254,10 @@ static inline void fsnotify_mkdir(struct inode *inode, struct dentry *dentry) */ static inline void fsnotify_rmdir(struct inode *dir, struct dentry *dentry) { - /* Expected to be called before d_delete() */ - WARN_ON_ONCE(d_is_negative(dentry)); + if (WARN_ON_ONCE(d_is_negative(dentry))) + return; - fsnotify_dirent(dir, dentry, FS_DELETE | FS_ISDIR); + fsnotify_delete(dir, d_inode(dentry), dentry); } /* diff --git a/include/linux/hid.h b/include/linux/hid.h index bf8ec809b11db66e451f474ec14a16ce6a9283e0..115224aefa9479e87d363826dfb36fc5b0803ef5 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -345,6 +345,8 @@ struct hid_item { /* BIT(9) reserved for backward compatibility, was NO_INIT_INPUT_REPORTS */ #define HID_QUIRK_ALWAYS_POLL BIT(10) #define HID_QUIRK_INPUT_PER_APP BIT(11) +#define HID_QUIRK_X_INVERT BIT(12) +#define HID_QUIRK_Y_INVERT BIT(13) #define HID_QUIRK_SKIP_OUTPUT_REPORTS BIT(16) #define HID_QUIRK_SKIP_OUTPUT_REPORT_ID BIT(17) #define HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP BIT(18) diff --git a/include/linux/ipc_namespace.h b/include/linux/ipc_namespace.h index c309f43bde45e086df82c7740aed8ddc3671bced..f8c4d9f97819f96f3c08a0ca4d22c5d456ef7e2b 100644 --- a/include/linux/ipc_namespace.h +++ b/include/linux/ipc_namespace.h @@ -130,6 +130,16 @@ static inline struct ipc_namespace *get_ipc_ns(struct ipc_namespace *ns) return ns; } +static inline struct ipc_namespace *get_ipc_ns_not_zero(struct ipc_namespace *ns) +{ + if (ns) { + if (refcount_inc_not_zero(&ns->count)) + return ns; + } + + return NULL; +} + extern void put_ipc_ns(struct ipc_namespace *ns); #else static inline struct ipc_namespace *copy_ipcs(unsigned long flags, @@ -146,6 +156,11 @@ static inline struct ipc_namespace *get_ipc_ns(struct ipc_namespace *ns) return ns; } +static inline struct ipc_namespace *get_ipc_ns_not_zero(struct ipc_namespace *ns) +{ + return ns; +} + static inline void put_ipc_ns(struct ipc_namespace *ns) { } diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h index a121fd8e7c3a01701a69de6d681f9933e78d50c1..c7764d9e6f39719ce28fe2a64cf0552779075082 100644 --- a/include/linux/kprobes.h +++ b/include/linux/kprobes.h @@ -155,6 +155,8 @@ struct kretprobe { raw_spinlock_t lock; }; +#define KRETPROBE_MAX_DATA_SIZE 4096 + struct kretprobe_instance { struct hlist_node hlist; struct kretprobe *rp; diff --git a/include/linux/memblock.h b/include/linux/memblock.h index f491690d54c6c258f35516bb59893318f4871625..64b971b2542d67a1dd2e5bd92011bed57fdcf6b0 100644 --- a/include/linux/memblock.h +++ b/include/linux/memblock.h @@ -351,8 +351,8 @@ phys_addr_t memblock_phys_alloc_range(phys_addr_t size, phys_addr_t align, phys_addr_t start, phys_addr_t end); phys_addr_t memblock_phys_alloc_try_nid(phys_addr_t size, phys_addr_t align, int nid); -static inline phys_addr_t memblock_phys_alloc(phys_addr_t size, - phys_addr_t align) +static __always_inline phys_addr_t memblock_phys_alloc(phys_addr_t size, + phys_addr_t align) { return memblock_phys_alloc_range(size, align, 0, MEMBLOCK_ALLOC_ACCESSIBLE); diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 20f462212de174993095fcf56f6a844f2178ce67..ddc9ac7d3cba4dd5ed5aab73591eebb2dd602a07 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -944,6 +944,15 @@ static inline int is_highmem_idx(enum zone_type idx) #endif } +#ifdef CONFIG_ZONE_DMA +bool has_managed_dma(void); +#else +static inline bool has_managed_dma(void) +{ + return false; +} +#endif + /** * is_highmem - helper function to quickly check if a struct zone is a * highmem zone or not. This is an attempt to keep references diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 41af3dde4f79036baaea950d6432801ea73d25ec..de91944c71495e9b973f531ba06144323640dcf3 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -3961,7 +3961,8 @@ static inline u32 netif_msg_init(int debug_value, int default_msg_enable_bits) static inline void __netif_tx_lock(struct netdev_queue *txq, int cpu) { spin_lock(&txq->_xmit_lock); - txq->xmit_lock_owner = cpu; + /* Pairs with READ_ONCE() in __dev_queue_xmit() */ + WRITE_ONCE(txq->xmit_lock_owner, cpu); } static inline bool __netif_tx_acquire(struct netdev_queue *txq) @@ -3978,26 +3979,32 @@ static inline void __netif_tx_release(struct netdev_queue *txq) static inline void __netif_tx_lock_bh(struct netdev_queue *txq) { spin_lock_bh(&txq->_xmit_lock); - txq->xmit_lock_owner = smp_processor_id(); + /* Pairs with READ_ONCE() in __dev_queue_xmit() */ + WRITE_ONCE(txq->xmit_lock_owner, smp_processor_id()); } static inline bool __netif_tx_trylock(struct netdev_queue *txq) { bool ok = spin_trylock(&txq->_xmit_lock); - if (likely(ok)) - txq->xmit_lock_owner = smp_processor_id(); + + if (likely(ok)) { + /* Pairs with READ_ONCE() in __dev_queue_xmit() */ + WRITE_ONCE(txq->xmit_lock_owner, smp_processor_id()); + } return ok; } static inline void __netif_tx_unlock(struct netdev_queue *txq) { - txq->xmit_lock_owner = -1; + /* Pairs with READ_ONCE() in __dev_queue_xmit() */ + WRITE_ONCE(txq->xmit_lock_owner, -1); spin_unlock(&txq->_xmit_lock); } static inline void __netif_tx_unlock_bh(struct netdev_queue *txq) { - txq->xmit_lock_owner = -1; + /* Pairs with READ_ONCE() in __dev_queue_xmit() */ + WRITE_ONCE(txq->xmit_lock_owner, -1); spin_unlock_bh(&txq->_xmit_lock); } diff --git a/include/linux/of_clk.h b/include/linux/of_clk.h index b27da9f164cbd22165b848b5e4bf0325e84c9d76..c86fcad23fc21725a14a98d45adc006b38c789ec 100644 --- a/include/linux/of_clk.h +++ b/include/linux/of_clk.h @@ -6,6 +6,9 @@ #ifndef __LINUX_OF_CLK_H #define __LINUX_OF_CLK_H +struct device_node; +struct of_device_id; + #if defined(CONFIG_COMMON_CLK) && defined(CONFIG_OF) unsigned int of_clk_get_parent_count(struct device_node *np); diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 4f77b22d47be0b52f386494286593eda61afcffb..6fc704f46fd7a108cbff7a7f47b11ec2bdac5eb4 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -1179,7 +1179,18 @@ extern void perf_event_bpf_event(struct bpf_prog *prog, enum perf_bpf_event_type type, u16 flags); -extern struct perf_guest_info_callbacks *perf_guest_cbs; +extern struct perf_guest_info_callbacks __rcu *perf_guest_cbs; +static inline struct perf_guest_info_callbacks *perf_get_guest_cbs(void) +{ + /* + * Callbacks are RCU-protected and must be READ_ONCE to avoid reloading + * the callbacks between a !NULL check and dereferences, to ensure + * pending stores/changes to the callback pointers are visible before a + * non-NULL perf_guest_cbs is visible to readers, and to prevent a + * module from unloading callbacks while readers are active. + */ + return rcu_dereference(perf_guest_cbs); +} extern int perf_register_guest_info_callbacks(struct perf_guest_info_callbacks *callbacks); extern int perf_unregister_guest_info_callbacks(struct perf_guest_info_callbacks *callbacks); diff --git a/include/linux/psi.h b/include/linux/psi.h index 7b3de73212199cfb6e46092600c9af3dc7749865..7712b58009276831529379a0a3fb48005b1d4681 100644 --- a/include/linux/psi.h +++ b/include/linux/psi.h @@ -31,7 +31,7 @@ void cgroup_move_task(struct task_struct *p, struct css_set *to); struct psi_trigger *psi_trigger_create(struct psi_group *group, char *buf, size_t nbytes, enum psi_res res); -void psi_trigger_replace(void **trigger_ptr, struct psi_trigger *t); +void psi_trigger_destroy(struct psi_trigger *t); __poll_t psi_trigger_poll(void **trigger_ptr, struct file *file, poll_table *wait); diff --git a/include/linux/psi_types.h b/include/linux/psi_types.h index 07aaf9b822416a49ae41c57835ced3ca4515439c..0023052eab23f8e9a7b68fbb49245417b4a297b4 100644 --- a/include/linux/psi_types.h +++ b/include/linux/psi_types.h @@ -120,9 +120,6 @@ struct psi_trigger { * events to one per window */ u64 last_event_time; - - /* Refcounting to prevent premature destruction */ - struct kref refcount; }; struct psi_group { diff --git a/include/linux/sched/task.h b/include/linux/sched/task.h index 4b1c3b664f517e5e35e6f581282e432649f734d7..36f3011ab601351f8b00681c372703e6112cb9a9 100644 --- a/include/linux/sched/task.h +++ b/include/linux/sched/task.h @@ -157,7 +157,7 @@ static inline struct vm_struct *task_stack_vm_area(const struct task_struct *t) * Protects ->fs, ->files, ->mm, ->group_info, ->comm, keyring * subscriptions and synchronises with wait4(). Also used in procfs. Also * pins the final release of task.io_context. Also protects ->cpuset and - * ->cgroup.subsys[]. And ->vfork_done. + * ->cgroup.subsys[]. And ->vfork_done. And ->sysvshm.shm_clist. * * Nests both inside and outside of read_lock(&tasklist_lock). * It must not be nested with write_lock_irq(&tasklist_lock), diff --git a/include/linux/siphash.h b/include/linux/siphash.h index bf21591a9e5e653585c26cb3f3f0857256c0eb89..0cda61855d90719e6175d0325598bbbe1b79254b 100644 --- a/include/linux/siphash.h +++ b/include/linux/siphash.h @@ -27,9 +27,7 @@ static inline bool siphash_key_is_zero(const siphash_key_t *key) } u64 __siphash_aligned(const void *data, size_t len, const siphash_key_t *key); -#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS u64 __siphash_unaligned(const void *data, size_t len, const siphash_key_t *key); -#endif u64 siphash_1u64(const u64 a, const siphash_key_t *key); u64 siphash_2u64(const u64 a, const u64 b, const siphash_key_t *key); @@ -82,10 +80,9 @@ static inline u64 ___siphash_aligned(const __le64 *data, size_t len, static inline u64 siphash(const void *data, size_t len, const siphash_key_t *key) { -#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS - if (!IS_ALIGNED((unsigned long)data, SIPHASH_ALIGNMENT)) + if (IS_ENABLED(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) || + !IS_ALIGNED((unsigned long)data, SIPHASH_ALIGNMENT)) return __siphash_unaligned(data, len, key); -#endif return ___siphash_aligned(data, len, key); } @@ -96,10 +93,8 @@ typedef struct { u32 __hsiphash_aligned(const void *data, size_t len, const hsiphash_key_t *key); -#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS u32 __hsiphash_unaligned(const void *data, size_t len, const hsiphash_key_t *key); -#endif u32 hsiphash_1u32(const u32 a, const hsiphash_key_t *key); u32 hsiphash_2u32(const u32 a, const u32 b, const hsiphash_key_t *key); @@ -135,10 +130,9 @@ static inline u32 ___hsiphash_aligned(const __le32 *data, size_t len, static inline u32 hsiphash(const void *data, size_t len, const hsiphash_key_t *key) { -#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS - if (!IS_ALIGNED((unsigned long)data, HSIPHASH_ALIGNMENT)) + if (IS_ENABLED(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) || + !IS_ALIGNED((unsigned long)data, HSIPHASH_ALIGNMENT)) return __hsiphash_unaligned(data, len, key); -#endif return ___hsiphash_aligned(data, len, key); } diff --git a/include/linux/suspend.h b/include/linux/suspend.h index 58b66627614c01ac8003176dd2b96ccc4bcd242d..9fcde8d1fcafdd80bdf3193099c61f71ca688aff 100644 --- a/include/linux/suspend.h +++ b/include/linux/suspend.h @@ -428,15 +428,7 @@ struct platform_hibernation_ops { #ifdef CONFIG_HIBERNATION /* kernel/power/snapshot.c */ -extern void __register_nosave_region(unsigned long b, unsigned long e, int km); -static inline void __init register_nosave_region(unsigned long b, unsigned long e) -{ - __register_nosave_region(b, e, 0); -} -static inline void __init register_nosave_region_late(unsigned long b, unsigned long e) -{ - __register_nosave_region(b, e, 1); -} +extern void register_nosave_region(unsigned long b, unsigned long e); extern int swsusp_page_is_forbidden(struct page *); extern void swsusp_set_page_free(struct page *); extern void swsusp_unset_page_free(struct page *); @@ -453,7 +445,6 @@ extern struct pbe *restore_pblist; int pfn_is_nosave(unsigned long pfn); #else /* CONFIG_HIBERNATION */ static inline void register_nosave_region(unsigned long b, unsigned long e) {} -static inline void register_nosave_region_late(unsigned long b, unsigned long e) {} static inline int swsusp_page_is_forbidden(struct page *p) { return 0; } static inline void swsusp_set_page_free(struct page *p) {} static inline void swsusp_unset_page_free(struct page *p) {} @@ -491,14 +482,14 @@ extern void ksys_sync_helper(void); /* drivers/base/power/wakeup.c */ extern bool events_check_enabled; -extern unsigned int pm_wakeup_irq; extern suspend_state_t pm_suspend_target_state; extern bool pm_wakeup_pending(void); extern void pm_system_wakeup(void); extern void pm_system_cancel_wakeup(void); -extern void pm_wakeup_clear(bool reset); +extern void pm_wakeup_clear(unsigned int irq_number); extern void pm_system_irq_wakeup(unsigned int irq_number); +extern unsigned int pm_wakeup_irq(void); extern bool pm_get_wakeup_count(unsigned int *count, bool block); extern bool pm_save_wakeup_count(unsigned int count); extern void pm_wakep_autosleep_enabled(bool set); diff --git a/include/linux/virtio_net.h b/include/linux/virtio_net.h index b465f8f3e554f27ced45c35f54f113cf6dce1f07..a960de68ac69ee12939a95729e36513312e41a68 100644 --- a/include/linux/virtio_net.h +++ b/include/linux/virtio_net.h @@ -7,9 +7,27 @@ #include #include +static inline bool virtio_net_hdr_match_proto(__be16 protocol, __u8 gso_type) +{ + switch (gso_type & ~VIRTIO_NET_HDR_GSO_ECN) { + case VIRTIO_NET_HDR_GSO_TCPV4: + return protocol == cpu_to_be16(ETH_P_IP); + case VIRTIO_NET_HDR_GSO_TCPV6: + return protocol == cpu_to_be16(ETH_P_IPV6); + case VIRTIO_NET_HDR_GSO_UDP: + return protocol == cpu_to_be16(ETH_P_IP) || + protocol == cpu_to_be16(ETH_P_IPV6); + default: + return false; + } +} + static inline int virtio_net_hdr_set_proto(struct sk_buff *skb, const struct virtio_net_hdr *hdr) { + if (skb->protocol) + return 0; + switch (hdr->gso_type & ~VIRTIO_NET_HDR_GSO_ECN) { case VIRTIO_NET_HDR_GSO_TCPV4: case VIRTIO_NET_HDR_GSO_UDP: @@ -88,9 +106,12 @@ static inline int virtio_net_hdr_to_skb(struct sk_buff *skb, if (!skb->protocol) { __be16 protocol = dev_parse_header_protocol(skb); - virtio_net_hdr_set_proto(skb, hdr); - if (protocol && protocol != skb->protocol) + if (!protocol) + virtio_net_hdr_set_proto(skb, hdr); + else if (!virtio_net_hdr_match_proto(protocol, hdr->gso_type)) return -EINVAL; + else + skb->protocol = protocol; } retry: if (!skb_flow_dissect_flow_keys_basic(NULL, skb, &keys, @@ -120,10 +141,15 @@ static inline int virtio_net_hdr_to_skb(struct sk_buff *skb, if (hdr->gso_type != VIRTIO_NET_HDR_GSO_NONE) { u16 gso_size = __virtio16_to_cpu(little_endian, hdr->gso_size); + unsigned int nh_off = p_off; struct skb_shared_info *shinfo = skb_shinfo(skb); + /* UFO may not include transport header in gso_size. */ + if (gso_type & SKB_GSO_UDP) + nh_off -= thlen; + /* Too small packets are not really GSO ones. */ - if (skb->len - p_off > gso_size) { + if (skb->len - nh_off > gso_size) { shinfo->gso_size = gso_size; shinfo->gso_type = gso_type; diff --git a/include/net/bond_alb.h b/include/net/bond_alb.h index b3504fcd773dcf86ec45d1ddb15a2596efd5ead0..2d3c482818863700d0459e0f38d21ad2af5d8ce5 100644 --- a/include/net/bond_alb.h +++ b/include/net/bond_alb.h @@ -126,7 +126,7 @@ struct tlb_slave_info { struct alb_bond_info { struct tlb_client_info *tx_hashtbl; /* Dynamically allocated */ u32 unbalanced_load; - int tx_rebalance_counter; + atomic_t tx_rebalance_counter; int lp_counter; /* -------- rlb parameters -------- */ int rlb_enabled; diff --git a/include/net/dst_metadata.h b/include/net/dst_metadata.h index 14efa0ded75dd93d6f63735a95feaf72de6fdef7..adab27ba1ecbf054f5284e4342b1551b104d9a2c 100644 --- a/include/net/dst_metadata.h +++ b/include/net/dst_metadata.h @@ -123,8 +123,20 @@ static inline struct metadata_dst *tun_dst_unclone(struct sk_buff *skb) memcpy(&new_md->u.tun_info, &md_dst->u.tun_info, sizeof(struct ip_tunnel_info) + md_size); +#ifdef CONFIG_DST_CACHE + /* Unclone the dst cache if there is one */ + if (new_md->u.tun_info.dst_cache.cache) { + int ret; + + ret = dst_cache_init(&new_md->u.tun_info.dst_cache, GFP_ATOMIC); + if (ret) { + metadata_dst_free(new_md); + return ERR_PTR(ret); + } + } +#endif + skb_dst_drop(skb); - dst_hold(&new_md->dst); skb_dst_set(skb, &new_md->dst); return new_md; } diff --git a/include/net/fib_rules.h b/include/net/fib_rules.h index 7fed3193f81d4a9abfa0d59fead1a8286896da98..5e06f0b84bd283595ddb4ac921192eb44c4cb008 100644 --- a/include/net/fib_rules.h +++ b/include/net/fib_rules.h @@ -68,7 +68,14 @@ struct fib_rules_ops { int (*action)(struct fib_rule *, struct flowi *, int, struct fib_lookup_arg *); + /* __GENKSYMS__ hack to preserve the abi change that happened in + * cdef485217d3 ("ipv6: fix memory leak in fib6_rule_suppress") + */ +#ifdef __GENKSYMS__ bool (*suppress)(struct fib_rule *, +#else + bool (*suppress)(struct fib_rule *, int, +#endif struct fib_lookup_arg *); int (*match)(struct fib_rule *, struct flowi *, int); diff --git a/include/net/inet_frag.h b/include/net/inet_frag.h index bac79e817776c6e65ed37f5b5c6af61a5df59ec0..4cbd413e71a3faac2e694b4713f62b42cf9a75ed 100644 --- a/include/net/inet_frag.h +++ b/include/net/inet_frag.h @@ -116,8 +116,15 @@ int fqdir_init(struct fqdir **fqdirp, struct inet_frags *f, struct net *net); static inline void fqdir_pre_exit(struct fqdir *fqdir) { - fqdir->high_thresh = 0; /* prevent creation of new frags */ - fqdir->dead = true; + /* Prevent creation of new frags. + * Pairs with READ_ONCE() in inet_frag_find(). + */ + WRITE_ONCE(fqdir->high_thresh, 0); + + /* Pairs with READ_ONCE() in inet_frag_kill(), ip_expire() + * and ip6frag_expire_frag_queue(). + */ + WRITE_ONCE(fqdir->dead, true); } void fqdir_exit(struct fqdir *fqdir); diff --git a/include/net/ip.h b/include/net/ip.h index f283656ae0604589ee7f1aceb9b89d862818bfdb..35978f09eeb079aaa1cc578e04d169ec30119dde 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -523,19 +523,18 @@ static inline void ip_select_ident_segs(struct net *net, struct sk_buff *skb, { struct iphdr *iph = ip_hdr(skb); + /* We had many attacks based on IPID, use the private + * generator as much as we can. + */ + if (sk && inet_sk(sk)->inet_daddr) { + iph->id = htons(inet_sk(sk)->inet_id); + inet_sk(sk)->inet_id += segs; + return; + } if ((iph->frag_off & htons(IP_DF)) && !skb->ignore_df) { - /* This is only to work around buggy Windows95/2000 - * VJ compression implementations. If the ID field - * does not change, they drop every other packet in - * a TCP stream using header compression. - */ - if (sk && inet_sk(sk)->inet_daddr) { - iph->id = htons(inet_sk(sk)->inet_id); - inet_sk(sk)->inet_id += segs; - } else { - iph->id = 0; - } + iph->id = 0; } else { + /* Unfortunately we need the big hammer to get a suitable IPID */ __ip_select_ident(net, iph, segs); } } diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h index bd0f1595bdc7166abd926c7dcb3fdb3b34fc3df5..8a7d8b8955936af46d35c3bbf3fa02be30c05968 100644 --- a/include/net/ip6_fib.h +++ b/include/net/ip6_fib.h @@ -247,7 +247,7 @@ static inline bool fib6_get_cookie_safe(const struct fib6_info *f6i, fn = rcu_dereference(f6i->fib6_node); if (fn) { - *cookie = fn->fn_sernum; + *cookie = READ_ONCE(fn->fn_sernum); /* pairs with smp_wmb() in fib6_update_sernum_upto_root() */ smp_rmb(); status = true; diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h index cb6c125628990ae03d54f6a7516c79d33947e108..3bf9ecb6b0d3957542a5ffa48f5ba4f255edf01b 100644 --- a/include/net/ip_fib.h +++ b/include/net/ip_fib.h @@ -412,7 +412,7 @@ int fib_validate_source(struct sk_buff *skb, __be32 src, __be32 dst, #ifdef CONFIG_IP_ROUTE_CLASSID static inline int fib_num_tclassid_users(struct net *net) { - return net->ipv4.fib_num_tclassid_users; + return atomic_read(&net->ipv4.fib_num_tclassid_users); } #else static inline int fib_num_tclassid_users(struct net *net) diff --git a/include/net/ipv6_frag.h b/include/net/ipv6_frag.h index a21e8b1381a107c8afd4a832f523bc87d045b890..e47a946bb77c947f02471398ae21f3c8d908822b 100644 --- a/include/net/ipv6_frag.h +++ b/include/net/ipv6_frag.h @@ -67,7 +67,8 @@ ip6frag_expire_frag_queue(struct net *net, struct frag_queue *fq) struct sk_buff *head; rcu_read_lock(); - if (fq->q.fqdir->dead) + /* Paired with the WRITE_ONCE() in fqdir_pre_exit(). */ + if (READ_ONCE(fq->q.fqdir->dead)) goto out_rcu_unlock; spin_lock(&fq->q.lock); diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h index 6a235651925dec850ca88af95fb25aab563b388e..a3eeefeb488d25c47efb1b82625a7fe676f5bd24 100644 --- a/include/net/netns/ipv4.h +++ b/include/net/netns/ipv4.h @@ -61,7 +61,7 @@ struct netns_ipv4 { #endif bool fib_has_custom_local_routes; #ifdef CONFIG_IP_ROUTE_CLASSID - int fib_num_tclassid_users; + atomic_t fib_num_tclassid_users; #endif struct hlist_head *fib_table_hash; bool fib_offload_disabled; diff --git a/include/net/nfc/nci_core.h b/include/net/nfc/nci_core.h index 33979017b782492d2fc98a7d70a542dd02930127..004e49f748419472e6a2f8a824ff604759b9d04e 100644 --- a/include/net/nfc/nci_core.h +++ b/include/net/nfc/nci_core.h @@ -30,6 +30,7 @@ enum nci_flag { NCI_UP, NCI_DATA_EXCHANGE, NCI_DATA_EXCHANGE_TO, + NCI_UNREG, }; /* NCI device states */ diff --git a/include/net/nl802154.h b/include/net/nl802154.h index ddcee128f5d9ac59c35b8364dc4c5943a04c712f..145acb8f250957f5fd7ae682a475034eea6055fc 100644 --- a/include/net/nl802154.h +++ b/include/net/nl802154.h @@ -19,6 +19,8 @@ * */ +#include + #define NL802154_GENL_NAME "nl802154" enum nl802154_commands { @@ -150,10 +152,9 @@ enum nl802154_attrs { }; enum nl802154_iftype { - /* for backwards compatibility TODO */ - NL802154_IFTYPE_UNSPEC = -1, + NL802154_IFTYPE_UNSPEC = (~(__u32)0), - NL802154_IFTYPE_NODE, + NL802154_IFTYPE_NODE = 0, NL802154_IFTYPE_MONITOR, NL802154_IFTYPE_COORD, diff --git a/include/net/route.h b/include/net/route.h index 6c516840380db2babc82ef05e2f2e3c49aaeafa3..b85d1912d84fdf784a2affd0bd3210210076fe97 100644 --- a/include/net/route.h +++ b/include/net/route.h @@ -359,7 +359,7 @@ static inline struct neighbour *ip_neigh_gw4(struct net_device *dev, { struct neighbour *neigh; - neigh = __ipv4_neigh_lookup_noref(dev, daddr); + neigh = __ipv4_neigh_lookup_noref(dev, (__force u32)daddr); if (unlikely(!neigh)) neigh = __neigh_create(&arp_tbl, &daddr, dev, false); diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index 0cb0a4bcb5447ddcb02a733d7d1f8a76a932a561..04657e18469840a8f65ca6c2366f647c45e37bfc 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -1260,6 +1260,7 @@ struct psched_ratecfg { u64 rate_bytes_ps; /* bytes per second */ u32 mult; u16 overhead; + u16 mpu; u8 linklayer; u8 shift; }; @@ -1269,6 +1270,9 @@ static inline u64 psched_l2t_ns(const struct psched_ratecfg *r, { len += r->overhead; + if (len < r->mpu) + len = r->mpu; + if (unlikely(r->linklayer == TC_LINKLAYER_ATM)) return ((u64)(DIV_ROUND_UP(len,48)*53) * r->mult) >> r->shift; @@ -1291,6 +1295,7 @@ static inline void psched_ratecfg_getrate(struct tc_ratespec *res, res->rate = min_t(u64, r->rate_bytes_ps, ~0U); res->overhead = r->overhead; + res->mpu = r->mpu; res->linklayer = (r->linklayer & TC_LINKLAYER_MASK); } diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h index 3ab5c6bbb90bd56b6856faec41d07f77346c028a..35c108a6b8720d65c963b4d44437fdd1c6bbff6c 100644 --- a/include/net/sctp/sctp.h +++ b/include/net/sctp/sctp.h @@ -103,6 +103,7 @@ extern struct percpu_counter sctp_sockets_allocated; int sctp_asconf_mgmt(struct sctp_sock *, struct sctp_sockaddr_entry *); struct sk_buff *sctp_skb_recv_datagram(struct sock *, int, int, int *); +typedef int (*sctp_callback_t)(struct sctp_endpoint *, struct sctp_transport *, void *); void sctp_transport_walk_start(struct rhashtable_iter *iter); void sctp_transport_walk_stop(struct rhashtable_iter *iter); struct sctp_transport *sctp_transport_get_next(struct net *net, @@ -113,9 +114,8 @@ int sctp_transport_lookup_process(int (*cb)(struct sctp_transport *, void *), struct net *net, const union sctp_addr *laddr, const union sctp_addr *paddr, void *p); -int sctp_for_each_transport(int (*cb)(struct sctp_transport *, void *), - int (*cb_done)(struct sctp_transport *, void *), - struct net *net, int *pos, void *p); +int sctp_transport_traverse_process(sctp_callback_t cb, sctp_callback_t cb_done, + struct net *net, int *pos, void *p); int sctp_for_each_endpoint(int (*cb)(struct sctp_endpoint *, void *), void *p); int sctp_get_sctp_info(struct sock *sk, struct sctp_association *asoc, struct sctp_info *info); diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index fd7c3f76040c3a13fa683a41eb5d8885a4a42c5f..cb05e503c9cd17087c5f68519d9d474566146681 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -1345,6 +1345,7 @@ struct sctp_endpoint { u32 secid; u32 peer_secid; + struct rcu_head rcu; }; /* Recover the outter endpoint structure. */ @@ -1360,7 +1361,7 @@ static inline struct sctp_endpoint *sctp_ep(struct sctp_ep_common *base) struct sctp_endpoint *sctp_endpoint_new(struct sock *, gfp_t); void sctp_endpoint_free(struct sctp_endpoint *); void sctp_endpoint_put(struct sctp_endpoint *); -void sctp_endpoint_hold(struct sctp_endpoint *); +int sctp_endpoint_hold(struct sctp_endpoint *ep); void sctp_endpoint_add_asoc(struct sctp_endpoint *, struct sctp_association *); struct sctp_association *sctp_endpoint_lookup_assoc( const struct sctp_endpoint *ep, diff --git a/include/net/tc_act/tc_tunnel_key.h b/include/net/tc_act/tc_tunnel_key.h index 0689d9bcdf8419f4c3338730e0109d1450945bee..f6a0f09ccc5f97a72adbd03043a6199d65d2ace1 100644 --- a/include/net/tc_act/tc_tunnel_key.h +++ b/include/net/tc_act/tc_tunnel_key.h @@ -52,7 +52,10 @@ static inline struct ip_tunnel_info *tcf_tunnel_info(const struct tc_action *a) { #ifdef CONFIG_NET_CLS_ACT struct tcf_tunnel_key *t = to_tunnel_key(a); - struct tcf_tunnel_key_params *params = rtnl_dereference(t->params); + struct tcf_tunnel_key_params *params; + + params = rcu_dereference_protected(t->params, + lockdep_is_held(&a->tcfa_lock)); return ¶ms->tcft_enc_metadata->u.tun_info; #else @@ -69,7 +72,7 @@ tcf_tunnel_info_copy(const struct tc_action *a) if (tun) { size_t tun_size = sizeof(*tun) + tun->options_len; struct ip_tunnel_info *tun_copy = kmemdup(tun, tun_size, - GFP_KERNEL); + GFP_ATOMIC); return tun_copy; } diff --git a/include/rdma/rdma_netlink.h b/include/rdma/rdma_netlink.h index ab22759de7ea087adff0b5b570383f61eccd4133..7b3ef7a3d8d0483bc571594091559fb2690448e5 100644 --- a/include/rdma/rdma_netlink.h +++ b/include/rdma/rdma_netlink.h @@ -30,7 +30,7 @@ enum rdma_nl_flags { * constant as well and the compiler checks they are the same. */ #define MODULE_ALIAS_RDMA_NETLINK(_index, _val) \ - static inline void __chk_##_index(void) \ + static inline void __maybe_unused __chk_##_index(void) \ { \ BUILD_BUG_ON(_index != _val); \ } \ diff --git a/include/sound/hdaudio_ext.h b/include/sound/hdaudio_ext.h index ef88b20c7b0a552d65434d44b0bcaef29aaa221e..23dc8deac344ddab2ba779396218d21f2cbaae9f 100644 --- a/include/sound/hdaudio_ext.h +++ b/include/sound/hdaudio_ext.h @@ -88,6 +88,8 @@ struct hdac_ext_stream *snd_hdac_ext_stream_assign(struct hdac_bus *bus, struct snd_pcm_substream *substream, int type); void snd_hdac_ext_stream_release(struct hdac_ext_stream *azx_dev, int type); +void snd_hdac_ext_stream_decouple_locked(struct hdac_bus *bus, + struct hdac_ext_stream *azx_dev, bool decouple); void snd_hdac_ext_stream_decouple(struct hdac_bus *bus, struct hdac_ext_stream *azx_dev, bool decouple); void snd_hdac_ext_stop_streams(struct hdac_bus *bus); diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h index 7c9716fe731e2e12280662afe89667ba6e594106..59d7ebb8bbaf4833931ed7e1e32d3bdcf6077d57 100644 --- a/include/target/target_core_base.h +++ b/include/target/target_core_base.h @@ -781,8 +781,9 @@ struct se_device { atomic_long_t read_bytes; atomic_long_t write_bytes; /* Active commands on this virtual SE device */ - atomic_t simple_cmds; - atomic_t dev_ordered_sync; + atomic_t non_ordered; + bool ordered_sync_in_progress; + atomic_t delayed_cmd_count; atomic_t dev_qf_count; u32 export_count; spinlock_t delayed_cmd_lock; @@ -804,6 +805,7 @@ struct se_device { struct list_head dev_sep_list; struct list_head dev_tmr_list; struct work_struct qf_work_queue; + struct work_struct delayed_cmd_work; struct list_head delayed_cmd_list; struct list_head state_list; struct list_head qf_cmd_list; diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h index d0727b596b7ebceec924ca899e4c05e760ec5c25..09b743420f5609d6680d15f8c5ead17fc7f29f95 100644 --- a/include/trace/events/f2fs.h +++ b/include/trace/events/f2fs.h @@ -804,20 +804,20 @@ TRACE_EVENT(f2fs_lookup_start, TP_STRUCT__entry( __field(dev_t, dev) __field(ino_t, ino) - __field(const char *, name) + __string(name, dentry->d_name.name) __field(unsigned int, flags) ), TP_fast_assign( __entry->dev = dir->i_sb->s_dev; __entry->ino = dir->i_ino; - __entry->name = dentry->d_name.name; + __assign_str(name, dentry->d_name.name); __entry->flags = flags; ), TP_printk("dev = (%d,%d), pino = %lu, name:%s, flags:%u", show_dev_ino(__entry), - __entry->name, + __get_str(name), __entry->flags) ); @@ -831,7 +831,7 @@ TRACE_EVENT(f2fs_lookup_end, TP_STRUCT__entry( __field(dev_t, dev) __field(ino_t, ino) - __field(const char *, name) + __string(name, dentry->d_name.name) __field(nid_t, cino) __field(int, err) ), @@ -839,14 +839,14 @@ TRACE_EVENT(f2fs_lookup_end, TP_fast_assign( __entry->dev = dir->i_sb->s_dev; __entry->ino = dir->i_ino; - __entry->name = dentry->d_name.name; + __assign_str(name, dentry->d_name.name); __entry->cino = ino; __entry->err = err; ), TP_printk("dev = (%d,%d), pino = %lu, name:%s, ino:%u, err:%d", show_dev_ino(__entry), - __entry->name, + __get_str(name), __entry->cino, __entry->err) ); diff --git a/include/uapi/linux/nfc.h b/include/uapi/linux/nfc.h index f6e3c8c9c7449ad6b98623d034128e03a3c9e651..4fa4e979e948a57a41f3897d8d05bcc26e475da7 100644 --- a/include/uapi/linux/nfc.h +++ b/include/uapi/linux/nfc.h @@ -263,7 +263,7 @@ enum nfc_sdp_attr { #define NFC_SE_ENABLED 0x1 struct sockaddr_nfc { - sa_family_t sa_family; + __kernel_sa_family_t sa_family; __u32 dev_idx; __u32 target_idx; __u32 nfc_protocol; @@ -271,14 +271,14 @@ struct sockaddr_nfc { #define NFC_LLCP_MAX_SERVICE_NAME 63 struct sockaddr_nfc_llcp { - sa_family_t sa_family; + __kernel_sa_family_t sa_family; __u32 dev_idx; __u32 target_idx; __u32 nfc_protocol; __u8 dsap; /* Destination SAP, if known */ __u8 ssap; /* Source SAP to be bound to */ char service_name[NFC_LLCP_MAX_SERVICE_NAME]; /* Service name URI */; - size_t service_name_len; + __kernel_size_t service_name_len; }; /* NFC socket protocols */ diff --git a/include/xen/interface/io/ring.h b/include/xen/interface/io/ring.h index 3f40501fc60b1d9f95a7455ed0d29f97d8bd9571..b39cdbc522ec7eeb0aa01cf1a1142dacd1772a52 100644 --- a/include/xen/interface/io/ring.h +++ b/include/xen/interface/io/ring.h @@ -1,21 +1,53 @@ -/* SPDX-License-Identifier: GPL-2.0 */ /****************************************************************************** * ring.h * * Shared producer-consumer ring macros. * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * * Tim Deegan and Andrew Warfield November 2004. */ #ifndef __XEN_PUBLIC_IO_RING_H__ #define __XEN_PUBLIC_IO_RING_H__ +/* + * When #include'ing this header, you need to provide the following + * declaration upfront: + * - standard integers types (uint8_t, uint16_t, etc) + * They are provided by stdint.h of the standard headers. + * + * In addition, if you intend to use the FLEX macros, you also need to + * provide the following, before invoking the FLEX macros: + * - size_t + * - memcpy + * - grant_ref_t + * These declarations are provided by string.h of the standard headers, + * and grant_table.h from the Xen public headers. + */ + #include typedef unsigned int RING_IDX; /* Round a 32-bit unsigned constant down to the nearest power of two. */ -#define __RD2(_x) (((_x) & 0x00000002) ? 0x2 : ((_x) & 0x1)) +#define __RD2(_x) (((_x) & 0x00000002) ? 0x2 : ((_x) & 0x1)) #define __RD4(_x) (((_x) & 0x0000000c) ? __RD2((_x)>>2)<<2 : __RD2(_x)) #define __RD8(_x) (((_x) & 0x000000f0) ? __RD4((_x)>>4)<<4 : __RD4(_x)) #define __RD16(_x) (((_x) & 0x0000ff00) ? __RD8((_x)>>8)<<8 : __RD8(_x)) @@ -27,82 +59,79 @@ typedef unsigned int RING_IDX; * A ring contains as many entries as will fit, rounded down to the nearest * power of two (so we can mask with (size-1) to loop around). */ -#define __CONST_RING_SIZE(_s, _sz) \ - (__RD32(((_sz) - offsetof(struct _s##_sring, ring)) / \ - sizeof(((struct _s##_sring *)0)->ring[0]))) - +#define __CONST_RING_SIZE(_s, _sz) \ + (__RD32(((_sz) - offsetof(struct _s##_sring, ring)) / \ + sizeof(((struct _s##_sring *)0)->ring[0]))) /* * The same for passing in an actual pointer instead of a name tag. */ -#define __RING_SIZE(_s, _sz) \ - (__RD32(((_sz) - (long)&(_s)->ring + (long)(_s)) / sizeof((_s)->ring[0]))) +#define __RING_SIZE(_s, _sz) \ + (__RD32(((_sz) - (long)(_s)->ring + (long)(_s)) / sizeof((_s)->ring[0]))) /* * Macros to make the correct C datatypes for a new kind of ring. * * To make a new ring datatype, you need to have two message structures, - * let's say struct request, and struct response already defined. + * let's say request_t, and response_t already defined. * * In a header where you want the ring datatype declared, you then do: * - * DEFINE_RING_TYPES(mytag, struct request, struct response); + * DEFINE_RING_TYPES(mytag, request_t, response_t); * * These expand out to give you a set of types, as you can see below. * The most important of these are: * - * struct mytag_sring - The shared ring. - * struct mytag_front_ring - The 'front' half of the ring. - * struct mytag_back_ring - The 'back' half of the ring. + * mytag_sring_t - The shared ring. + * mytag_front_ring_t - The 'front' half of the ring. + * mytag_back_ring_t - The 'back' half of the ring. * * To initialize a ring in your code you need to know the location and size * of the shared memory area (PAGE_SIZE, for instance). To initialise * the front half: * - * struct mytag_front_ring front_ring; - * SHARED_RING_INIT((struct mytag_sring *)shared_page); - * FRONT_RING_INIT(&front_ring, (struct mytag_sring *)shared_page, - * PAGE_SIZE); + * mytag_front_ring_t front_ring; + * SHARED_RING_INIT((mytag_sring_t *)shared_page); + * FRONT_RING_INIT(&front_ring, (mytag_sring_t *)shared_page, PAGE_SIZE); * * Initializing the back follows similarly (note that only the front * initializes the shared ring): * - * struct mytag_back_ring back_ring; - * BACK_RING_INIT(&back_ring, (struct mytag_sring *)shared_page, - * PAGE_SIZE); + * mytag_back_ring_t back_ring; + * BACK_RING_INIT(&back_ring, (mytag_sring_t *)shared_page, PAGE_SIZE); */ -#define DEFINE_RING_TYPES(__name, __req_t, __rsp_t) \ - \ -/* Shared ring entry */ \ -union __name##_sring_entry { \ - __req_t req; \ - __rsp_t rsp; \ -}; \ - \ -/* Shared ring page */ \ -struct __name##_sring { \ - RING_IDX req_prod, req_event; \ - RING_IDX rsp_prod, rsp_event; \ - uint8_t pad[48]; \ - union __name##_sring_entry ring[1]; /* variable-length */ \ -}; \ - \ -/* "Front" end's private variables */ \ -struct __name##_front_ring { \ - RING_IDX req_prod_pvt; \ - RING_IDX rsp_cons; \ - unsigned int nr_ents; \ - struct __name##_sring *sring; \ -}; \ - \ -/* "Back" end's private variables */ \ -struct __name##_back_ring { \ - RING_IDX rsp_prod_pvt; \ - RING_IDX req_cons; \ - unsigned int nr_ents; \ - struct __name##_sring *sring; \ -}; - +#define DEFINE_RING_TYPES(__name, __req_t, __rsp_t) \ + \ +/* Shared ring entry */ \ +union __name##_sring_entry { \ + __req_t req; \ + __rsp_t rsp; \ +}; \ + \ +/* Shared ring page */ \ +struct __name##_sring { \ + RING_IDX req_prod, req_event; \ + RING_IDX rsp_prod, rsp_event; \ + uint8_t __pad[48]; \ + union __name##_sring_entry ring[1]; /* variable-length */ \ +}; \ + \ +/* "Front" end's private variables */ \ +struct __name##_front_ring { \ + RING_IDX req_prod_pvt; \ + RING_IDX rsp_cons; \ + unsigned int nr_ents; \ + struct __name##_sring *sring; \ +}; \ + \ +/* "Back" end's private variables */ \ +struct __name##_back_ring { \ + RING_IDX rsp_prod_pvt; \ + RING_IDX req_cons; \ + unsigned int nr_ents; \ + struct __name##_sring *sring; \ +}; \ + \ /* * Macros for manipulating rings. * @@ -119,105 +148,99 @@ struct __name##_back_ring { \ */ /* Initialising empty rings */ -#define SHARED_RING_INIT(_s) do { \ - (_s)->req_prod = (_s)->rsp_prod = 0; \ - (_s)->req_event = (_s)->rsp_event = 1; \ - memset((_s)->pad, 0, sizeof((_s)->pad)); \ +#define SHARED_RING_INIT(_s) do { \ + (_s)->req_prod = (_s)->rsp_prod = 0; \ + (_s)->req_event = (_s)->rsp_event = 1; \ + (void)memset((_s)->__pad, 0, sizeof((_s)->__pad)); \ } while(0) -#define FRONT_RING_INIT(_r, _s, __size) do { \ - (_r)->req_prod_pvt = 0; \ - (_r)->rsp_cons = 0; \ - (_r)->nr_ents = __RING_SIZE(_s, __size); \ - (_r)->sring = (_s); \ +#define FRONT_RING_ATTACH(_r, _s, _i, __size) do { \ + (_r)->req_prod_pvt = (_i); \ + (_r)->rsp_cons = (_i); \ + (_r)->nr_ents = __RING_SIZE(_s, __size); \ + (_r)->sring = (_s); \ } while (0) -#define BACK_RING_INIT(_r, _s, __size) do { \ - (_r)->rsp_prod_pvt = 0; \ - (_r)->req_cons = 0; \ - (_r)->nr_ents = __RING_SIZE(_s, __size); \ - (_r)->sring = (_s); \ -} while (0) +#define FRONT_RING_INIT(_r, _s, __size) FRONT_RING_ATTACH(_r, _s, 0, __size) -/* Initialize to existing shared indexes -- for recovery */ -#define FRONT_RING_ATTACH(_r, _s, __size) do { \ - (_r)->sring = (_s); \ - (_r)->req_prod_pvt = (_s)->req_prod; \ - (_r)->rsp_cons = (_s)->rsp_prod; \ - (_r)->nr_ents = __RING_SIZE(_s, __size); \ +#define BACK_RING_ATTACH(_r, _s, _i, __size) do { \ + (_r)->rsp_prod_pvt = (_i); \ + (_r)->req_cons = (_i); \ + (_r)->nr_ents = __RING_SIZE(_s, __size); \ + (_r)->sring = (_s); \ } while (0) -#define BACK_RING_ATTACH(_r, _s, __size) do { \ - (_r)->sring = (_s); \ - (_r)->rsp_prod_pvt = (_s)->rsp_prod; \ - (_r)->req_cons = (_s)->req_prod; \ - (_r)->nr_ents = __RING_SIZE(_s, __size); \ -} while (0) +#define BACK_RING_INIT(_r, _s, __size) BACK_RING_ATTACH(_r, _s, 0, __size) /* How big is this ring? */ -#define RING_SIZE(_r) \ +#define RING_SIZE(_r) \ ((_r)->nr_ents) /* Number of free requests (for use on front side only). */ -#define RING_FREE_REQUESTS(_r) \ +#define RING_FREE_REQUESTS(_r) \ (RING_SIZE(_r) - ((_r)->req_prod_pvt - (_r)->rsp_cons)) /* Test if there is an empty slot available on the front ring. * (This is only meaningful from the front. ) */ -#define RING_FULL(_r) \ +#define RING_FULL(_r) \ (RING_FREE_REQUESTS(_r) == 0) /* Test if there are outstanding messages to be processed on a ring. */ -#define RING_HAS_UNCONSUMED_RESPONSES(_r) \ +#define RING_HAS_UNCONSUMED_RESPONSES(_r) \ ((_r)->sring->rsp_prod - (_r)->rsp_cons) -#define RING_HAS_UNCONSUMED_REQUESTS(_r) \ - ({ \ - unsigned int req = (_r)->sring->req_prod - (_r)->req_cons; \ - unsigned int rsp = RING_SIZE(_r) - \ - ((_r)->req_cons - (_r)->rsp_prod_pvt); \ - req < rsp ? req : rsp; \ - }) +#define RING_HAS_UNCONSUMED_REQUESTS(_r) ({ \ + unsigned int req = (_r)->sring->req_prod - (_r)->req_cons; \ + unsigned int rsp = RING_SIZE(_r) - \ + ((_r)->req_cons - (_r)->rsp_prod_pvt); \ + req < rsp ? req : rsp; \ +}) /* Direct access to individual ring elements, by index. */ -#define RING_GET_REQUEST(_r, _idx) \ +#define RING_GET_REQUEST(_r, _idx) \ (&((_r)->sring->ring[((_idx) & (RING_SIZE(_r) - 1))].req)) +#define RING_GET_RESPONSE(_r, _idx) \ + (&((_r)->sring->ring[((_idx) & (RING_SIZE(_r) - 1))].rsp)) + /* - * Get a local copy of a request. + * Get a local copy of a request/response. * - * Use this in preference to RING_GET_REQUEST() so all processing is + * Use this in preference to RING_GET_{REQUEST,RESPONSE}() so all processing is * done on a local copy that cannot be modified by the other end. * * Note that https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58145 may cause this - * to be ineffective where _req is a struct which consists of only bitfields. + * to be ineffective where dest is a struct which consists of only bitfields. */ -#define RING_COPY_REQUEST(_r, _idx, _req) do { \ - /* Use volatile to force the copy into _req. */ \ - *(_req) = *(volatile typeof(_req))RING_GET_REQUEST(_r, _idx); \ +#define RING_COPY_(type, r, idx, dest) do { \ + /* Use volatile to force the copy into dest. */ \ + *(dest) = *(volatile typeof(dest))RING_GET_##type(r, idx); \ } while (0) -#define RING_GET_RESPONSE(_r, _idx) \ - (&((_r)->sring->ring[((_idx) & (RING_SIZE(_r) - 1))].rsp)) +#define RING_COPY_REQUEST(r, idx, req) RING_COPY_(REQUEST, r, idx, req) +#define RING_COPY_RESPONSE(r, idx, rsp) RING_COPY_(RESPONSE, r, idx, rsp) /* Loop termination condition: Would the specified index overflow the ring? */ -#define RING_REQUEST_CONS_OVERFLOW(_r, _cons) \ +#define RING_REQUEST_CONS_OVERFLOW(_r, _cons) \ (((_cons) - (_r)->rsp_prod_pvt) >= RING_SIZE(_r)) /* Ill-behaved frontend determination: Can there be this many requests? */ -#define RING_REQUEST_PROD_OVERFLOW(_r, _prod) \ +#define RING_REQUEST_PROD_OVERFLOW(_r, _prod) \ (((_prod) - (_r)->rsp_prod_pvt) > RING_SIZE(_r)) +/* Ill-behaved backend determination: Can there be this many responses? */ +#define RING_RESPONSE_PROD_OVERFLOW(_r, _prod) \ + (((_prod) - (_r)->rsp_cons) > RING_SIZE(_r)) -#define RING_PUSH_REQUESTS(_r) do { \ - virt_wmb(); /* back sees requests /before/ updated producer index */ \ - (_r)->sring->req_prod = (_r)->req_prod_pvt; \ +#define RING_PUSH_REQUESTS(_r) do { \ + virt_wmb(); /* back sees requests /before/ updated producer index */\ + (_r)->sring->req_prod = (_r)->req_prod_pvt; \ } while (0) -#define RING_PUSH_RESPONSES(_r) do { \ - virt_wmb(); /* front sees responses /before/ updated producer index */ \ - (_r)->sring->rsp_prod = (_r)->rsp_prod_pvt; \ +#define RING_PUSH_RESPONSES(_r) do { \ + virt_wmb(); /* front sees resps /before/ updated producer index */ \ + (_r)->sring->rsp_prod = (_r)->rsp_prod_pvt; \ } while (0) /* @@ -250,40 +273,40 @@ struct __name##_back_ring { \ * field appropriately. */ -#define RING_PUSH_REQUESTS_AND_CHECK_NOTIFY(_r, _notify) do { \ - RING_IDX __old = (_r)->sring->req_prod; \ - RING_IDX __new = (_r)->req_prod_pvt; \ - virt_wmb(); /* back sees requests /before/ updated producer index */ \ - (_r)->sring->req_prod = __new; \ - virt_mb(); /* back sees new requests /before/ we check req_event */ \ - (_notify) = ((RING_IDX)(__new - (_r)->sring->req_event) < \ - (RING_IDX)(__new - __old)); \ +#define RING_PUSH_REQUESTS_AND_CHECK_NOTIFY(_r, _notify) do { \ + RING_IDX __old = (_r)->sring->req_prod; \ + RING_IDX __new = (_r)->req_prod_pvt; \ + virt_wmb(); /* back sees requests /before/ updated producer index */\ + (_r)->sring->req_prod = __new; \ + virt_mb(); /* back sees new requests /before/ we check req_event */ \ + (_notify) = ((RING_IDX)(__new - (_r)->sring->req_event) < \ + (RING_IDX)(__new - __old)); \ } while (0) -#define RING_PUSH_RESPONSES_AND_CHECK_NOTIFY(_r, _notify) do { \ - RING_IDX __old = (_r)->sring->rsp_prod; \ - RING_IDX __new = (_r)->rsp_prod_pvt; \ - virt_wmb(); /* front sees responses /before/ updated producer index */ \ - (_r)->sring->rsp_prod = __new; \ - virt_mb(); /* front sees new responses /before/ we check rsp_event */ \ - (_notify) = ((RING_IDX)(__new - (_r)->sring->rsp_event) < \ - (RING_IDX)(__new - __old)); \ +#define RING_PUSH_RESPONSES_AND_CHECK_NOTIFY(_r, _notify) do { \ + RING_IDX __old = (_r)->sring->rsp_prod; \ + RING_IDX __new = (_r)->rsp_prod_pvt; \ + virt_wmb(); /* front sees resps /before/ updated producer index */ \ + (_r)->sring->rsp_prod = __new; \ + virt_mb(); /* front sees new resps /before/ we check rsp_event */ \ + (_notify) = ((RING_IDX)(__new - (_r)->sring->rsp_event) < \ + (RING_IDX)(__new - __old)); \ } while (0) -#define RING_FINAL_CHECK_FOR_REQUESTS(_r, _work_to_do) do { \ - (_work_to_do) = RING_HAS_UNCONSUMED_REQUESTS(_r); \ - if (_work_to_do) break; \ - (_r)->sring->req_event = (_r)->req_cons + 1; \ - virt_mb(); \ - (_work_to_do) = RING_HAS_UNCONSUMED_REQUESTS(_r); \ +#define RING_FINAL_CHECK_FOR_REQUESTS(_r, _work_to_do) do { \ + (_work_to_do) = RING_HAS_UNCONSUMED_REQUESTS(_r); \ + if (_work_to_do) break; \ + (_r)->sring->req_event = (_r)->req_cons + 1; \ + virt_mb(); \ + (_work_to_do) = RING_HAS_UNCONSUMED_REQUESTS(_r); \ } while (0) -#define RING_FINAL_CHECK_FOR_RESPONSES(_r, _work_to_do) do { \ - (_work_to_do) = RING_HAS_UNCONSUMED_RESPONSES(_r); \ - if (_work_to_do) break; \ - (_r)->sring->rsp_event = (_r)->rsp_cons + 1; \ - virt_mb(); \ - (_work_to_do) = RING_HAS_UNCONSUMED_RESPONSES(_r); \ +#define RING_FINAL_CHECK_FOR_RESPONSES(_r, _work_to_do) do { \ + (_work_to_do) = RING_HAS_UNCONSUMED_RESPONSES(_r); \ + if (_work_to_do) break; \ + (_r)->sring->rsp_event = (_r)->rsp_cons + 1; \ + virt_mb(); \ + (_work_to_do) = RING_HAS_UNCONSUMED_RESPONSES(_r); \ } while (0) diff --git a/ipc/shm.c b/ipc/shm.c index ce1ca9f7c6e97ca5035963d2d64e3c57fefe7f6c..984addb5aeb5e628df1f9c57402a4928d3f15183 100644 --- a/ipc/shm.c +++ b/ipc/shm.c @@ -62,9 +62,18 @@ struct shmid_kernel /* private to the kernel */ struct pid *shm_lprid; struct user_struct *mlock_user; - /* The task created the shm object. NULL if the task is dead. */ + /* + * The task created the shm object, for + * task_lock(shp->shm_creator) + */ struct task_struct *shm_creator; - struct list_head shm_clist; /* list by creator */ + + /* + * List by creator. task_lock(->shm_creator) required for read/write. + * If list_empty(), then the creator is dead already. + */ + struct list_head shm_clist; + struct ipc_namespace *ns; } __randomize_layout; /* shm_mode upper byte flags */ @@ -115,6 +124,7 @@ static void do_shm_rmid(struct ipc_namespace *ns, struct kern_ipc_perm *ipcp) struct shmid_kernel *shp; shp = container_of(ipcp, struct shmid_kernel, shm_perm); + WARN_ON(ns != shp->ns); if (shp->shm_nattch) { shp->shm_perm.mode |= SHM_DEST; @@ -225,10 +235,43 @@ static void shm_rcu_free(struct rcu_head *head) kvfree(shp); } -static inline void shm_rmid(struct ipc_namespace *ns, struct shmid_kernel *s) +/* + * It has to be called with shp locked. + * It must be called before ipc_rmid() + */ +static inline void shm_clist_rm(struct shmid_kernel *shp) { - list_del(&s->shm_clist); - ipc_rmid(&shm_ids(ns), &s->shm_perm); + struct task_struct *creator; + + /* ensure that shm_creator does not disappear */ + rcu_read_lock(); + + /* + * A concurrent exit_shm may do a list_del_init() as well. + * Just do nothing if exit_shm already did the work + */ + if (!list_empty(&shp->shm_clist)) { + /* + * shp->shm_creator is guaranteed to be valid *only* + * if shp->shm_clist is not empty. + */ + creator = shp->shm_creator; + + task_lock(creator); + /* + * list_del_init() is a nop if the entry was already removed + * from the list. + */ + list_del_init(&shp->shm_clist); + task_unlock(creator); + } + rcu_read_unlock(); +} + +static inline void shm_rmid(struct shmid_kernel *s) +{ + shm_clist_rm(s); + ipc_rmid(&shm_ids(s->ns), &s->shm_perm); } @@ -283,7 +326,7 @@ static void shm_destroy(struct ipc_namespace *ns, struct shmid_kernel *shp) shm_file = shp->shm_file; shp->shm_file = NULL; ns->shm_tot -= (shp->shm_segsz + PAGE_SIZE - 1) >> PAGE_SHIFT; - shm_rmid(ns, shp); + shm_rmid(shp); shm_unlock(shp); if (!is_file_hugepages(shm_file)) shmem_lock(shm_file, 0, shp->mlock_user); @@ -306,10 +349,10 @@ static void shm_destroy(struct ipc_namespace *ns, struct shmid_kernel *shp) * * 2) sysctl kernel.shm_rmid_forced is set to 1. */ -static bool shm_may_destroy(struct ipc_namespace *ns, struct shmid_kernel *shp) +static bool shm_may_destroy(struct shmid_kernel *shp) { return (shp->shm_nattch == 0) && - (ns->shm_rmid_forced || + (shp->ns->shm_rmid_forced || (shp->shm_perm.mode & SHM_DEST)); } @@ -340,7 +383,7 @@ static void shm_close(struct vm_area_struct *vma) ipc_update_pid(&shp->shm_lprid, task_tgid(current)); shp->shm_dtim = ktime_get_real_seconds(); shp->shm_nattch--; - if (shm_may_destroy(ns, shp)) + if (shm_may_destroy(shp)) shm_destroy(ns, shp); else shm_unlock(shp); @@ -361,10 +404,10 @@ static int shm_try_destroy_orphaned(int id, void *p, void *data) * * As shp->* are changed under rwsem, it's safe to skip shp locking. */ - if (shp->shm_creator != NULL) + if (!list_empty(&shp->shm_clist)) return 0; - if (shm_may_destroy(ns, shp)) { + if (shm_may_destroy(shp)) { shm_lock_by_ptr(shp); shm_destroy(ns, shp); } @@ -382,48 +425,97 @@ void shm_destroy_orphaned(struct ipc_namespace *ns) /* Locking assumes this will only be called with task == current */ void exit_shm(struct task_struct *task) { - struct ipc_namespace *ns = task->nsproxy->ipc_ns; - struct shmid_kernel *shp, *n; + for (;;) { + struct shmid_kernel *shp; + struct ipc_namespace *ns; - if (list_empty(&task->sysvshm.shm_clist)) - return; + task_lock(task); + + if (list_empty(&task->sysvshm.shm_clist)) { + task_unlock(task); + break; + } + + shp = list_first_entry(&task->sysvshm.shm_clist, struct shmid_kernel, + shm_clist); - /* - * If kernel.shm_rmid_forced is not set then only keep track of - * which shmids are orphaned, so that a later set of the sysctl - * can clean them up. - */ - if (!ns->shm_rmid_forced) { - down_read(&shm_ids(ns).rwsem); - list_for_each_entry(shp, &task->sysvshm.shm_clist, shm_clist) - shp->shm_creator = NULL; /* - * Only under read lock but we are only called on current - * so no entry on the list will be shared. + * 1) Get pointer to the ipc namespace. It is worth to say + * that this pointer is guaranteed to be valid because + * shp lifetime is always shorter than namespace lifetime + * in which shp lives. + * We taken task_lock it means that shp won't be freed. */ - list_del(&task->sysvshm.shm_clist); - up_read(&shm_ids(ns).rwsem); - return; - } + ns = shp->ns; - /* - * Destroy all already created segments, that were not yet mapped, - * and mark any mapped as orphan to cover the sysctl toggling. - * Destroy is skipped if shm_may_destroy() returns false. - */ - down_write(&shm_ids(ns).rwsem); - list_for_each_entry_safe(shp, n, &task->sysvshm.shm_clist, shm_clist) { - shp->shm_creator = NULL; + /* + * 2) If kernel.shm_rmid_forced is not set then only keep track of + * which shmids are orphaned, so that a later set of the sysctl + * can clean them up. + */ + if (!ns->shm_rmid_forced) + goto unlink_continue; - if (shm_may_destroy(ns, shp)) { - shm_lock_by_ptr(shp); - shm_destroy(ns, shp); + /* + * 3) get a reference to the namespace. + * The refcount could be already 0. If it is 0, then + * the shm objects will be free by free_ipc_work(). + */ + ns = get_ipc_ns_not_zero(ns); + if (!ns) { +unlink_continue: + list_del_init(&shp->shm_clist); + task_unlock(task); + continue; } - } - /* Remove the list head from any segments still attached. */ - list_del(&task->sysvshm.shm_clist); - up_write(&shm_ids(ns).rwsem); + /* + * 4) get a reference to shp. + * This cannot fail: shm_clist_rm() is called before + * ipc_rmid(), thus the refcount cannot be 0. + */ + WARN_ON(!ipc_rcu_getref(&shp->shm_perm)); + + /* + * 5) unlink the shm segment from the list of segments + * created by current. + * This must be done last. After unlinking, + * only the refcounts obtained above prevent IPC_RMID + * from destroying the segment or the namespace. + */ + list_del_init(&shp->shm_clist); + + task_unlock(task); + + /* + * 6) we have all references + * Thus lock & if needed destroy shp. + */ + down_write(&shm_ids(ns).rwsem); + shm_lock_by_ptr(shp); + /* + * rcu_read_lock was implicitly taken in shm_lock_by_ptr, it's + * safe to call ipc_rcu_putref here + */ + ipc_rcu_putref(&shp->shm_perm, shm_rcu_free); + + if (ipc_valid_object(&shp->shm_perm)) { + if (shm_may_destroy(shp)) + shm_destroy(ns, shp); + else + shm_unlock(shp); + } else { + /* + * Someone else deleted the shp from namespace + * idr/kht while we have waited. + * Just unlock and continue. + */ + shm_unlock(shp); + } + + up_write(&shm_ids(ns).rwsem); + put_ipc_ns(ns); /* paired with get_ipc_ns_not_zero */ + } } static vm_fault_t shm_fault(struct vm_fault *vmf) @@ -680,7 +772,11 @@ static int newseg(struct ipc_namespace *ns, struct ipc_params *params) if (error < 0) goto no_id; + shp->ns = ns; + + task_lock(current); list_add(&shp->shm_clist, ¤t->sysvshm.shm_clist); + task_unlock(current); /* * shmid gets reported as "inode#" in /proc/pid/maps. @@ -1575,7 +1671,8 @@ long do_shmat(int shmid, char __user *shmaddr, int shmflg, down_write(&shm_ids(ns).rwsem); shp = shm_lock(ns, shmid); shp->shm_nattch--; - if (shm_may_destroy(ns, shp)) + + if (shm_may_destroy(shp)) shm_destroy(ns, shp); else shm_unlock(shp); diff --git a/ipc/util.c b/ipc/util.c index 1821b6386d3b4dec569094fb2f3531007cd54c38..09c3bd9f8e768d55768a67f662b1255f3269fd52 100644 --- a/ipc/util.c +++ b/ipc/util.c @@ -446,8 +446,8 @@ static int ipcget_public(struct ipc_namespace *ns, struct ipc_ids *ids, static void ipc_kht_remove(struct ipc_ids *ids, struct kern_ipc_perm *ipcp) { if (ipcp->key != IPC_PRIVATE) - rhashtable_remove_fast(&ids->key_ht, &ipcp->khtnode, - ipc_kht_params); + WARN_ON_ONCE(rhashtable_remove_fast(&ids->key_ht, &ipcp->khtnode, + ipc_kht_params)); } /** @@ -462,7 +462,7 @@ void ipc_rmid(struct ipc_ids *ids, struct kern_ipc_perm *ipcp) { int idx = ipcid_to_idx(ipcp->id); - idr_remove(&ids->ipcs_idr, idx); + WARN_ON_ONCE(idr_remove(&ids->ipcs_idr, idx) != ipcp); ipc_kht_remove(ids, ipcp); ids->in_use--; ipcp->deleted = true; diff --git a/kernel/audit.c b/kernel/audit.c index 05ae208ad4423cfeaea3def77b443b4465eb216f..db8141866ceaa57f1af0bab949ad215fe1465c1a 100644 --- a/kernel/audit.c +++ b/kernel/audit.c @@ -535,20 +535,22 @@ static void kauditd_printk_skb(struct sk_buff *skb) /** * kauditd_rehold_skb - Handle a audit record send failure in the hold queue * @skb: audit record + * @error: error code (unused) * * Description: * This should only be used by the kauditd_thread when it fails to flush the * hold queue. */ -static void kauditd_rehold_skb(struct sk_buff *skb) +static void kauditd_rehold_skb(struct sk_buff *skb, __always_unused int error) { - /* put the record back in the queue at the same place */ - skb_queue_head(&audit_hold_queue, skb); + /* put the record back in the queue */ + skb_queue_tail(&audit_hold_queue, skb); } /** * kauditd_hold_skb - Queue an audit record, waiting for auditd * @skb: audit record + * @error: error code * * Description: * Queue the audit record, waiting for an instance of auditd. When this @@ -558,19 +560,31 @@ static void kauditd_rehold_skb(struct sk_buff *skb) * and queue it, if we have room. If we want to hold on to the record, but we * don't have room, record a record lost message. */ -static void kauditd_hold_skb(struct sk_buff *skb) +static void kauditd_hold_skb(struct sk_buff *skb, int error) { /* at this point it is uncertain if we will ever send this to auditd so * try to send the message via printk before we go any further */ kauditd_printk_skb(skb); /* can we just silently drop the message? */ - if (!audit_default) { - kfree_skb(skb); - return; + if (!audit_default) + goto drop; + + /* the hold queue is only for when the daemon goes away completely, + * not -EAGAIN failures; if we are in a -EAGAIN state requeue the + * record on the retry queue unless it's full, in which case drop it + */ + if (error == -EAGAIN) { + if (!audit_backlog_limit || + skb_queue_len(&audit_retry_queue) < audit_backlog_limit) { + skb_queue_tail(&audit_retry_queue, skb); + return; + } + audit_log_lost("kauditd retry queue overflow"); + goto drop; } - /* if we have room, queue the message */ + /* if we have room in the hold queue, queue the message */ if (!audit_backlog_limit || skb_queue_len(&audit_hold_queue) < audit_backlog_limit) { skb_queue_tail(&audit_hold_queue, skb); @@ -579,24 +593,32 @@ static void kauditd_hold_skb(struct sk_buff *skb) /* we have no other options - drop the message */ audit_log_lost("kauditd hold queue overflow"); +drop: kfree_skb(skb); } /** * kauditd_retry_skb - Queue an audit record, attempt to send again to auditd * @skb: audit record + * @error: error code (unused) * * Description: * Not as serious as kauditd_hold_skb() as we still have a connected auditd, * but for some reason we are having problems sending it audit records so * queue the given record and attempt to resend. */ -static void kauditd_retry_skb(struct sk_buff *skb) +static void kauditd_retry_skb(struct sk_buff *skb, __always_unused int error) { - /* NOTE: because records should only live in the retry queue for a - * short period of time, before either being sent or moved to the hold - * queue, we don't currently enforce a limit on this queue */ - skb_queue_tail(&audit_retry_queue, skb); + if (!audit_backlog_limit || + skb_queue_len(&audit_retry_queue) < audit_backlog_limit) { + skb_queue_tail(&audit_retry_queue, skb); + return; + } + + /* we have to drop the record, send it via printk as a last effort */ + kauditd_printk_skb(skb); + audit_log_lost("kauditd retry queue overflow"); + kfree_skb(skb); } /** @@ -634,7 +656,7 @@ static void auditd_reset(const struct auditd_connection *ac) /* flush the retry queue to the hold queue, but don't touch the main * queue since we need to process that normally for multicast */ while ((skb = skb_dequeue(&audit_retry_queue))) - kauditd_hold_skb(skb); + kauditd_hold_skb(skb, -ECONNREFUSED); } /** @@ -708,16 +730,18 @@ static int kauditd_send_queue(struct sock *sk, u32 portid, struct sk_buff_head *queue, unsigned int retry_limit, void (*skb_hook)(struct sk_buff *skb), - void (*err_hook)(struct sk_buff *skb)) + void (*err_hook)(struct sk_buff *skb, int error)) { int rc = 0; - struct sk_buff *skb; - static unsigned int failed = 0; + struct sk_buff *skb = NULL; + struct sk_buff *skb_tail; + unsigned int failed = 0; /* NOTE: kauditd_thread takes care of all our locking, we just use * the netlink info passed to us (e.g. sk and portid) */ - while ((skb = skb_dequeue(queue))) { + skb_tail = skb_peek_tail(queue); + while ((skb != skb_tail) && (skb = skb_dequeue(queue))) { /* call the skb_hook for each skb we touch */ if (skb_hook) (*skb_hook)(skb); @@ -725,36 +749,34 @@ static int kauditd_send_queue(struct sock *sk, u32 portid, /* can we send to anyone via unicast? */ if (!sk) { if (err_hook) - (*err_hook)(skb); + (*err_hook)(skb, -ECONNREFUSED); continue; } +retry: /* grab an extra skb reference in case of error */ skb_get(skb); rc = netlink_unicast(sk, skb, portid, 0); if (rc < 0) { - /* fatal failure for our queue flush attempt? */ + /* send failed - try a few times unless fatal error */ if (++failed >= retry_limit || rc == -ECONNREFUSED || rc == -EPERM) { - /* yes - error processing for the queue */ sk = NULL; if (err_hook) - (*err_hook)(skb); - if (!skb_hook) - goto out; - /* keep processing with the skb_hook */ + (*err_hook)(skb, rc); + if (rc == -EAGAIN) + rc = 0; + /* continue to drain the queue */ continue; } else - /* no - requeue to preserve ordering */ - skb_queue_head(queue, skb); + goto retry; } else { - /* it worked - drop the extra reference and continue */ + /* skb sent - drop the extra reference and continue */ consume_skb(skb); failed = 0; } } -out: return (rc >= 0 ? 0 : rc); } @@ -1530,6 +1552,20 @@ static void audit_receive(struct sk_buff *skb) nlh = nlmsg_next(nlh, &len); } audit_ctl_unlock(); + + /* can't block with the ctrl lock, so penalize the sender now */ + if (audit_backlog_limit && + (skb_queue_len(&audit_queue) > audit_backlog_limit)) { + DECLARE_WAITQUEUE(wait, current); + + /* wake kauditd to try and flush the queue */ + wake_up_interruptible(&kauditd_wait); + + add_wait_queue_exclusive(&audit_backlog_wait, &wait); + set_current_state(TASK_UNINTERRUPTIBLE); + schedule_timeout(audit_backlog_wait_time); + remove_wait_queue(&audit_backlog_wait, &wait); + } } /* Run custom bind function on netlink socket group connect or bind requests. */ @@ -1557,7 +1593,8 @@ static int __net_init audit_net_init(struct net *net) audit_panic("cannot initialize netlink socket in namespace"); return -ENOMEM; } - aunet->sk->sk_sndtimeo = MAX_SCHEDULE_TIMEOUT; + /* limit the timeout in case auditd is blocked/stopped */ + aunet->sk->sk_sndtimeo = HZ / 10; return 0; } @@ -1773,7 +1810,9 @@ struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask, * task_tgid_vnr() since auditd_pid is set in audit_receive_msg() * using a PID anchored in the caller's namespace * 2. generator holding the audit_cmd_mutex - we don't want to block - * while holding the mutex */ + * while holding the mutex, although we do penalize the sender + * later in audit_receive() when it is safe to block + */ if (!(auditd_test_task(current) || audit_ctl_owner_current())) { long stime = audit_backlog_wait_time; diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 9c5fa5c529031e5037cfba769d62dfc0d418d7a1..34262d83dce11c7ea51174fba09609940165890d 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -5372,7 +5372,7 @@ static void find_good_pkt_pointers(struct bpf_verifier_state *vstate, new_range = dst_reg->off; if (range_right_open) - new_range--; + new_range++; /* Examples for register markings: * diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c index 1904ffcee0f1e8c9b6e673bcb7c24849851a7f96..ce1745ac7b8c070ca07cc9967b1adda39a74caf4 100644 --- a/kernel/cgroup/cgroup.c +++ b/kernel/cgroup/cgroup.c @@ -3659,6 +3659,12 @@ static ssize_t cgroup_pressure_write(struct kernfs_open_file *of, char *buf, cgroup_get(cgrp); cgroup_kn_unlock(of->kn); + /* Allow only one trigger per file descriptor */ + if (of->priv) { + cgroup_put(cgrp); + return -EBUSY; + } + psi = cgroup_ino(cgrp) == 1 ? &psi_system : &cgrp->psi; new = psi_trigger_create(psi, buf, nbytes, res); if (IS_ERR(new)) { @@ -3666,8 +3672,7 @@ static ssize_t cgroup_pressure_write(struct kernfs_open_file *of, char *buf, return PTR_ERR(new); } - psi_trigger_replace(&of->priv, new); - + smp_store_release(&of->priv, new); cgroup_put(cgrp); return nbytes; @@ -3702,7 +3707,7 @@ static __poll_t cgroup_pressure_poll(struct kernfs_open_file *of, static void cgroup_pressure_release(struct kernfs_open_file *of) { - psi_trigger_replace(&of->priv, NULL); + psi_trigger_destroy(of->priv); } #endif /* CONFIG_PSI */ diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c index 5e8aa75e7de47f0bcabc69e9cf6599e93143e0c0..0649892b7eba986c752b83bd78e7445e105e98d5 100644 --- a/kernel/cgroup/cpuset.c +++ b/kernel/cgroup/cpuset.c @@ -1462,10 +1462,15 @@ static void update_sibling_cpumasks(struct cpuset *parent, struct cpuset *cs, struct cpuset *sibling; struct cgroup_subsys_state *pos_css; + percpu_rwsem_assert_held(&cpuset_rwsem); + /* * Check all its siblings and call update_cpumasks_hier() * if their use_parent_ecpus flag is set in order for them * to use the right effective_cpus value. + * + * The update_cpumasks_hier() function may sleep. So we have to + * release the RCU read lock before calling it. */ rcu_read_lock(); cpuset_for_each_child(sibling, pos_css, parent) { @@ -1473,8 +1478,13 @@ static void update_sibling_cpumasks(struct cpuset *parent, struct cpuset *cs, continue; if (!sibling->use_parent_ecpus) continue; + if (!css_tryget_online(&sibling->css)) + continue; + rcu_read_unlock(); update_cpumasks_hier(sibling, tmp); + rcu_read_lock(); + css_put(&sibling->css); } rcu_read_unlock(); } @@ -1547,8 +1557,7 @@ static int update_cpumask(struct cpuset *cs, struct cpuset *trialcs, * Make sure that subparts_cpus is a subset of cpus_allowed. */ if (cs->nr_subparts_cpus) { - cpumask_andnot(cs->subparts_cpus, cs->subparts_cpus, - cs->cpus_allowed); + cpumask_and(cs->subparts_cpus, cs->subparts_cpus, cs->cpus_allowed); cs->nr_subparts_cpus = cpumask_weight(cs->subparts_cpus); } spin_unlock_irq(&callback_lock); diff --git a/kernel/events/core.c b/kernel/events/core.c index 8e05fb2f1c403d5aff66bc227a321015279781e5..7f1444fb7eeb0151c589c6381dd5cc4649ad1b65 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -799,7 +799,7 @@ static DEFINE_PER_CPU(struct list_head, cgrp_cpuctx_list); */ static void perf_cgroup_switch(struct task_struct *task, int mode) { - struct perf_cpu_context *cpuctx; + struct perf_cpu_context *cpuctx, *tmp; struct list_head *list; unsigned long flags; @@ -810,7 +810,7 @@ static void perf_cgroup_switch(struct task_struct *task, int mode) local_irq_save(flags); list = this_cpu_ptr(&cgrp_cpuctx_list); - list_for_each_entry(cpuctx, list, cgrp_cpuctx_entry) { + list_for_each_entry_safe(cpuctx, tmp, list, cgrp_cpuctx_entry) { WARN_ON_ONCE(cpuctx->ctx.nr_cgroups == 0); perf_ctx_lock(cpuctx, cpuctx->task_ctx); @@ -6061,18 +6061,25 @@ static void perf_pending_event(struct irq_work *entry) * Later on, we might change it to a list if there is * another virtualization implementation supporting the callbacks. */ -struct perf_guest_info_callbacks *perf_guest_cbs; +struct perf_guest_info_callbacks __rcu *perf_guest_cbs; int perf_register_guest_info_callbacks(struct perf_guest_info_callbacks *cbs) { - perf_guest_cbs = cbs; + if (WARN_ON_ONCE(rcu_access_pointer(perf_guest_cbs))) + return -EBUSY; + + rcu_assign_pointer(perf_guest_cbs, cbs); return 0; } EXPORT_SYMBOL_GPL(perf_register_guest_info_callbacks); int perf_unregister_guest_info_callbacks(struct perf_guest_info_callbacks *cbs) { - perf_guest_cbs = NULL; + if (WARN_ON_ONCE(rcu_access_pointer(perf_guest_cbs) != cbs)) + return -EINVAL; + + rcu_assign_pointer(perf_guest_cbs, NULL); + synchronize_rcu(); return 0; } EXPORT_SYMBOL_GPL(perf_unregister_guest_info_callbacks); @@ -6552,7 +6559,6 @@ void perf_output_sample(struct perf_output_handle *handle, static u64 perf_virt_to_phys(u64 virt) { u64 phys_addr = 0; - struct page *p = NULL; if (!virt) return 0; @@ -6571,14 +6577,15 @@ static u64 perf_virt_to_phys(u64 virt) * If failed, leave phys_addr as 0. */ if (current->mm != NULL) { + struct page *p; + pagefault_disable(); - if (__get_user_pages_fast(virt, 1, 0, &p) == 1) + if (__get_user_pages_fast(virt, 1, 0, &p) == 1) { phys_addr = page_to_phys(p) + virt % PAGE_SIZE; + put_page(p); + } pagefault_enable(); } - - if (p) - put_page(p); } return phys_addr; diff --git a/kernel/kprobes.c b/kernel/kprobes.c index 1668439b269d3257c2299afee8dbfcd0407a4f17..c93340bae3ac2590e8d67e966c5212b17f68408c 100644 --- a/kernel/kprobes.c +++ b/kernel/kprobes.c @@ -2003,6 +2003,9 @@ int register_kretprobe(struct kretprobe *rp) } } + if (rp->data_size > KRETPROBE_MAX_DATA_SIZE) + return -E2BIG; + rp->kp.pre_handler = pre_handler_kretprobe; rp->kp.post_handler = NULL; rp->kp.fault_handler = NULL; diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c index 69c4cd472def374dba7ac42a8d6a93a428c35829..6cafb2e910a1113f43134a29c928e70c17d4a892 100644 --- a/kernel/power/hibernate.c +++ b/kernel/power/hibernate.c @@ -676,7 +676,7 @@ static int load_image_and_restore(void) goto Unlock; error = swsusp_read(&flags); - swsusp_close(FMODE_READ); + swsusp_close(FMODE_READ | FMODE_EXCL); if (!error) hibernation_restore(flags & SF_PLATFORM_MODE); @@ -871,7 +871,7 @@ static int software_resume(void) /* The snapshot device should not be opened while we're running */ if (!atomic_add_unless(&snapshot_device_available, -1, 0)) { error = -EBUSY; - swsusp_close(FMODE_READ); + swsusp_close(FMODE_READ | FMODE_EXCL); goto Unlock; } @@ -907,7 +907,7 @@ static int software_resume(void) pm_pr_dbg("Hibernation image not present or could not be loaded.\n"); return error; Close_Finish: - swsusp_close(FMODE_READ); + swsusp_close(FMODE_READ | FMODE_EXCL); goto Finish; } diff --git a/kernel/power/main.c b/kernel/power/main.c index e26de7af520beba281df4e42f11f06b150a0fab7..718884857830b3ca9d0e79b00738b24faeb0b9d1 100644 --- a/kernel/power/main.c +++ b/kernel/power/main.c @@ -472,7 +472,10 @@ static ssize_t pm_wakeup_irq_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { - return pm_wakeup_irq ? sprintf(buf, "%u\n", pm_wakeup_irq) : -ENODATA; + if (!pm_wakeup_irq()) + return -ENODATA; + + return sprintf(buf, "%u\n", pm_wakeup_irq()); } power_attr_ro(pm_wakeup_irq); diff --git a/kernel/power/process.c b/kernel/power/process.c index da378ace6d0ada1a1839aeabc0421547e3d38e97..de11ba1f83c74f15f4fa1fcd1b4b01531520c8e2 100644 --- a/kernel/power/process.c +++ b/kernel/power/process.c @@ -137,7 +137,7 @@ int freeze_processes(void) if (!pm_freezing) atomic_inc(&system_freezing_cnt); - pm_wakeup_clear(true); + pm_wakeup_clear(0); pr_info("Freezing user space processes ... "); pm_freezing = true; error = try_to_freeze_tasks(true); diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c index d65f2d5ab6942ad80653b945aad4b82ea10cd6f9..46455aa7951ec02d12b50931958fe15edd37305b 100644 --- a/kernel/power/snapshot.c +++ b/kernel/power/snapshot.c @@ -945,8 +945,7 @@ static void memory_bm_recycle(struct memory_bitmap *bm) * Register a range of page frames the contents of which should not be saved * during hibernation (to be used in the early initialization code). */ -void __init __register_nosave_region(unsigned long start_pfn, - unsigned long end_pfn, int use_kmalloc) +void __init register_nosave_region(unsigned long start_pfn, unsigned long end_pfn) { struct nosave_region *region; @@ -962,18 +961,12 @@ void __init __register_nosave_region(unsigned long start_pfn, goto Report; } } - if (use_kmalloc) { - /* During init, this shouldn't fail */ - region = kmalloc(sizeof(struct nosave_region), GFP_KERNEL); - BUG_ON(!region); - } else { - /* This allocation cannot fail */ - region = memblock_alloc(sizeof(struct nosave_region), - SMP_CACHE_BYTES); - if (!region) - panic("%s: Failed to allocate %zu bytes\n", __func__, - sizeof(struct nosave_region)); - } + /* This allocation cannot fail */ + region = memblock_alloc(sizeof(struct nosave_region), + SMP_CACHE_BYTES); + if (!region) + panic("%s: Failed to allocate %zu bytes\n", __func__, + sizeof(struct nosave_region)); region->start_pfn = start_pfn; region->end_pfn = end_pfn; list_add_tail(®ion->list, &nosave_regions); diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c index 44dfe0b3dfa7a9152611a586279f072deccd05be..3a231ceefa9474c28e2368fb5f32121e7938ce4a 100644 --- a/kernel/power/suspend.c +++ b/kernel/power/suspend.c @@ -139,9 +139,7 @@ static void s2idle_loop(void) break; } - pm_wakeup_clear(false); clear_wakeup_reasons(); - s2idle_enter(); } diff --git a/kernel/power/wakelock.c b/kernel/power/wakelock.c index 105df4dfc783971acdd1d17ee2971cb892c97d02..52571dcad768b988eaadbd3ce98a4ac42dd2f7dd 100644 --- a/kernel/power/wakelock.c +++ b/kernel/power/wakelock.c @@ -39,23 +39,20 @@ ssize_t pm_show_wakelocks(char *buf, bool show_active) { struct rb_node *node; struct wakelock *wl; - char *str = buf; - char *end = buf + PAGE_SIZE; + int len = 0; mutex_lock(&wakelocks_lock); for (node = rb_first(&wakelocks_tree); node; node = rb_next(node)) { wl = rb_entry(node, struct wakelock, node); if (wl->ws->active == show_active) - str += scnprintf(str, end - str, "%s ", wl->name); + len += sysfs_emit_at(buf, len, "%s ", wl->name); } - if (str > buf) - str--; - str += scnprintf(str, end - str, "\n"); + len += sysfs_emit_at(buf, len, "\n"); mutex_unlock(&wakelocks_lock); - return (str - buf); + return len; } #if CONFIG_PM_WAKELOCKS_LIMIT > 0 diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index 16a2e6ba977f9c9804bf0ac8c6d540c4eeda4075..c05065f708581565fd8f9a82963c46da0c03dc4a 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c @@ -1360,10 +1360,11 @@ static void __maybe_unused rcu_advance_cbs_nowake(struct rcu_node *rnp, struct rcu_data *rdp) { rcu_lockdep_assert_cblist_protected(rdp); - if (!rcu_seq_state(rcu_seq_current(&rnp->gp_seq)) || - !raw_spin_trylock_rcu_node(rnp)) + if (!rcu_seq_state(rcu_seq_current(&rnp->gp_seq)) || !raw_spin_trylock_rcu_node(rnp)) return; - WARN_ON_ONCE(rcu_advance_cbs(rnp, rdp)); + // The grace period cannot end while we hold the rcu_node lock. + if (rcu_seq_state(rcu_seq_current(&rnp->gp_seq))) + WARN_ON_ONCE(rcu_advance_cbs(rnp, rdp)); raw_spin_unlock_rcu_node(rnp); } @@ -1604,7 +1605,7 @@ static void rcu_gp_fqs(bool first_time) struct rcu_node *rnp = rcu_get_root(); WRITE_ONCE(rcu_state.gp_activity, jiffies); - rcu_state.n_force_qs++; + WRITE_ONCE(rcu_state.n_force_qs, rcu_state.n_force_qs + 1); if (first_time) { /* Collect dyntick-idle snapshots. */ force_qs_rnp(dyntick_save_progress_counter); @@ -2209,7 +2210,7 @@ static void rcu_do_batch(struct rcu_data *rdp) /* Reset ->qlen_last_fqs_check trigger if enough CBs have drained. */ if (count == 0 && rdp->qlen_last_fqs_check != 0) { rdp->qlen_last_fqs_check = 0; - rdp->n_force_qs_snap = rcu_state.n_force_qs; + rdp->n_force_qs_snap = READ_ONCE(rcu_state.n_force_qs); } else if (count < rdp->qlen_last_fqs_check - qhimark) rdp->qlen_last_fqs_check = count; @@ -2537,10 +2538,10 @@ static void __call_rcu_core(struct rcu_data *rdp, struct rcu_head *head, } else { /* Give the grace period a kick. */ rdp->blimit = DEFAULT_MAX_RCU_BLIMIT; - if (rcu_state.n_force_qs == rdp->n_force_qs_snap && + if (READ_ONCE(rcu_state.n_force_qs) == rdp->n_force_qs_snap && rcu_segcblist_first_pend_cb(&rdp->cblist) != head) rcu_force_quiescent_state(); - rdp->n_force_qs_snap = rcu_state.n_force_qs; + rdp->n_force_qs_snap = READ_ONCE(rcu_state.n_force_qs); rdp->qlen_last_fqs_check = rcu_segcblist_n_cbs(&rdp->cblist); } } @@ -3031,7 +3032,7 @@ int rcutree_prepare_cpu(unsigned int cpu) /* Set up local state, ensuring consistent view of global state. */ raw_spin_lock_irqsave_rcu_node(rnp, flags); rdp->qlen_last_fqs_check = 0; - rdp->n_force_qs_snap = rcu_state.n_force_qs; + rdp->n_force_qs_snap = READ_ONCE(rcu_state.n_force_qs); rdp->blimit = blimit; if (rcu_segcblist_empty(&rdp->cblist) && /* No early-boot CBs? */ !rcu_segcblist_is_offloaded(&rdp->cblist)) diff --git a/kernel/rcu/tree_exp.h b/kernel/rcu/tree_exp.h index 4c4d7683a4e5ba1f3a8e54590abbf0a863885b7c..173e3ce607900e97e91e1431cd926f3a2e5f46c5 100644 --- a/kernel/rcu/tree_exp.h +++ b/kernel/rcu/tree_exp.h @@ -382,6 +382,7 @@ static void sync_rcu_exp_select_node_cpus(struct work_struct *wp) continue; } if (get_cpu() == cpu) { + mask_ofl_test |= mask; put_cpu(); continue; } diff --git a/kernel/sched/core.c b/kernel/sched/core.c index f6595ca40de92d775bfe455babd470535aad790e..7072c399f00d3594ca6073acb404a5e428954476 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -1347,7 +1347,7 @@ static void __init init_uclamp_rq(struct rq *rq) }; } - rq->uclamp_flags = 0; + rq->uclamp_flags = UCLAMP_FLAG_IDLE; } static void __init init_uclamp(void) @@ -2500,6 +2500,9 @@ void wake_up_if_idle(int cpu) bool cpus_share_cache(int this_cpu, int that_cpu) { + if (this_cpu == that_cpu) + return true; + return per_cpu(sd_llc_id, this_cpu) == per_cpu(sd_llc_id, that_cpu); } #endif /* CONFIG_SMP */ diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c index a147909bcf169bff775dfc71e46f94d65871f312..d77f652aedbc7828fa5d1f1ffc7f6b1c12b92918 100644 --- a/kernel/sched/cputime.c +++ b/kernel/sched/cputime.c @@ -151,10 +151,10 @@ void account_guest_time(struct task_struct *p, u64 cputime) /* Add guest time to cpustat. */ if (task_nice(p) > 0) { - cpustat[CPUTIME_NICE] += cputime; + task_group_account_field(p, CPUTIME_NICE, cputime); cpustat[CPUTIME_GUEST_NICE] += cputime; } else { - cpustat[CPUTIME_USER] += cputime; + task_group_account_field(p, CPUTIME_USER, cputime); cpustat[CPUTIME_GUEST] += cputime; } } diff --git a/kernel/sched/psi.c b/kernel/sched/psi.c index 9154e745f09789dd3432af35d7db91f96068d1fe..9dd83eb74a9da345ec2092671252fd8f836cf53d 100644 --- a/kernel/sched/psi.c +++ b/kernel/sched/psi.c @@ -1046,7 +1046,6 @@ struct psi_trigger *psi_trigger_create(struct psi_group *group, t->event = 0; t->last_event_time = 0; init_waitqueue_head(&t->event_wait); - kref_init(&t->refcount); mutex_lock(&group->trigger_lock); @@ -1079,15 +1078,19 @@ struct psi_trigger *psi_trigger_create(struct psi_group *group, return t; } -static void psi_trigger_destroy(struct kref *ref) +void psi_trigger_destroy(struct psi_trigger *t) { - struct psi_trigger *t = container_of(ref, struct psi_trigger, refcount); - struct psi_group *group = t->group; + struct psi_group *group; struct kthread_worker *kworker_to_destroy = NULL; - if (static_branch_likely(&psi_disabled)) + /* + * We do not check psi_disabled since it might have been disabled after + * the trigger got created. + */ + if (!t) return; + group = t->group; /* * Wakeup waiters to stop polling. Can happen if cgroup is deleted * from under a polling process. @@ -1122,9 +1125,9 @@ static void psi_trigger_destroy(struct kref *ref) mutex_unlock(&group->trigger_lock); /* - * Wait for both *trigger_ptr from psi_trigger_replace and - * poll_kworker RCUs to complete their read-side critical sections - * before destroying the trigger and optionally the poll_kworker + * Wait for psi_schedule_poll_work RCU to complete its read-side + * critical section before destroying the trigger and optionally the + * poll_task. */ synchronize_rcu(); /* @@ -1146,18 +1149,6 @@ static void psi_trigger_destroy(struct kref *ref) kfree(t); } -void psi_trigger_replace(void **trigger_ptr, struct psi_trigger *new) -{ - struct psi_trigger *old = *trigger_ptr; - - if (static_branch_likely(&psi_disabled)) - return; - - rcu_assign_pointer(*trigger_ptr, new); - if (old) - kref_put(&old->refcount, psi_trigger_destroy); -} - __poll_t psi_trigger_poll(void **trigger_ptr, struct file *file, poll_table *wait) { @@ -1167,24 +1158,15 @@ __poll_t psi_trigger_poll(void **trigger_ptr, if (static_branch_likely(&psi_disabled)) return DEFAULT_POLLMASK | EPOLLERR | EPOLLPRI; - rcu_read_lock(); - - t = rcu_dereference(*(void __rcu __force **)trigger_ptr); - if (!t) { - rcu_read_unlock(); + t = smp_load_acquire(trigger_ptr); + if (!t) return DEFAULT_POLLMASK | EPOLLERR | EPOLLPRI; - } - kref_get(&t->refcount); - - rcu_read_unlock(); poll_wait(file, &t->event_wait, wait); if (cmpxchg(&t->event, 1, 0) == 1) ret |= EPOLLPRI; - kref_put(&t->refcount, psi_trigger_destroy); - return ret; } @@ -1208,14 +1190,24 @@ static ssize_t psi_write(struct file *file, const char __user *user_buf, buf[buf_size - 1] = '\0'; - new = psi_trigger_create(&psi_system, buf, nbytes, res); - if (IS_ERR(new)) - return PTR_ERR(new); - seq = file->private_data; + /* Take seq->lock to protect seq->private from concurrent writes */ mutex_lock(&seq->lock); - psi_trigger_replace(&seq->private, new); + + /* Allow only one trigger per file descriptor */ + if (seq->private) { + mutex_unlock(&seq->lock); + return -EBUSY; + } + + new = psi_trigger_create(&psi_system, buf, nbytes, res); + if (IS_ERR(new)) { + mutex_unlock(&seq->lock); + return PTR_ERR(new); + } + + smp_store_release(&seq->private, new); mutex_unlock(&seq->lock); return nbytes; @@ -1250,7 +1242,7 @@ static int psi_fop_release(struct inode *inode, struct file *file) { struct seq_file *seq = file->private_data; - psi_trigger_replace(&seq->private, NULL); + psi_trigger_destroy(seq->private); return single_release(inode, file); } diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c index 9a9bff3bdeb4fdadf095f6521d41874cf4dfb22f..e7dfab1db6c1c9c9e32b99eb72dbf7a21cbada13 100644 --- a/kernel/sched/rt.c +++ b/kernel/sched/rt.c @@ -54,11 +54,8 @@ void init_rt_bandwidth(struct rt_bandwidth *rt_b, u64 period, u64 runtime) rt_b->rt_period_timer.function = sched_rt_period_timer; } -static void start_rt_bandwidth(struct rt_bandwidth *rt_b) +static inline void do_start_rt_bandwidth(struct rt_bandwidth *rt_b) { - if (!rt_bandwidth_enabled() || rt_b->rt_runtime == RUNTIME_INF) - return; - raw_spin_lock(&rt_b->rt_runtime_lock); if (!rt_b->rt_period_active) { rt_b->rt_period_active = 1; @@ -77,6 +74,14 @@ static void start_rt_bandwidth(struct rt_bandwidth *rt_b) raw_spin_unlock(&rt_b->rt_runtime_lock); } +static void start_rt_bandwidth(struct rt_bandwidth *rt_b) +{ + if (!rt_bandwidth_enabled() || rt_b->rt_runtime == RUNTIME_INF) + return; + + do_start_rt_bandwidth(rt_b); +} + void init_rt_rq(struct rt_rq *rt_rq) { struct rt_prio_array *array; @@ -1024,13 +1029,17 @@ static void update_curr_rt(struct rq *rq) for_each_sched_rt_entity(rt_se) { struct rt_rq *rt_rq = rt_rq_of_se(rt_se); + int exceeded; if (sched_rt_runtime(rt_rq) != RUNTIME_INF) { raw_spin_lock(&rt_rq->rt_runtime_lock); rt_rq->rt_time += delta_exec; - if (sched_rt_runtime_exceeded(rt_rq)) + exceeded = sched_rt_runtime_exceeded(rt_rq); + if (exceeded) resched_curr(rq); raw_spin_unlock(&rt_rq->rt_runtime_lock); + if (exceeded) + do_start_rt_bandwidth(sched_rt_bandwidth(rt_rq)); } } } @@ -2745,8 +2754,12 @@ static int sched_rt_global_validate(void) static void sched_rt_do_global(void) { + unsigned long flags; + + raw_spin_lock_irqsave(&def_rt_bandwidth.rt_runtime_lock, flags); def_rt_bandwidth.rt_runtime = global_rt_runtime(); def_rt_bandwidth.rt_period = ns_to_ktime(global_rt_period()); + raw_spin_unlock_irqrestore(&def_rt_bandwidth.rt_runtime_lock, flags); } int sched_rt_handler(struct ctl_table *table, int write, diff --git a/kernel/seccomp.c b/kernel/seccomp.c index 1d62fa2b6b9185a01ec6deee01d7c5a7ca5df928..b2e1981663b88d35f4876f7b16cd459a9cd48ccb 100644 --- a/kernel/seccomp.c +++ b/kernel/seccomp.c @@ -28,6 +28,9 @@ #include #include +/* Not exposed in headers: strictly internal use only. */ +#define SECCOMP_MODE_DEAD (SECCOMP_MODE_FILTER + 1) + #ifdef CONFIG_HAVE_ARCH_SECCOMP_FILTER #include #endif @@ -706,6 +709,7 @@ static void __secure_computing_strict(int this_syscall) #ifdef SECCOMP_DEBUG dump_stack(); #endif + current->seccomp.mode = SECCOMP_MODE_DEAD; seccomp_log(this_syscall, SIGKILL, SECCOMP_RET_KILL_THREAD, true); do_exit(SIGKILL); } @@ -892,6 +896,7 @@ static int __seccomp_filter(int this_syscall, const struct seccomp_data *sd, case SECCOMP_RET_KILL_THREAD: case SECCOMP_RET_KILL_PROCESS: default: + current->seccomp.mode = SECCOMP_MODE_DEAD; seccomp_log(this_syscall, SIGSYS, action, true); /* Dump core only if this is the last remaining thread. */ if (action == SECCOMP_RET_KILL_PROCESS || @@ -944,6 +949,11 @@ int __secure_computing(const struct seccomp_data *sd) return 0; case SECCOMP_MODE_FILTER: return __seccomp_filter(this_syscall, sd, false); + /* Surviving SECCOMP_RET_KILL_* must be proactively impossible. */ + case SECCOMP_MODE_DEAD: + WARN_ON_ONCE(1); + do_exit(SIGKILL); + return -1; default: BUG(); } diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index 4fc2af4367a7bb1f2206c73dfccb1d0238702ad1..36ed8bad3909e0051476c8dbb6a7cb9644d78d3c 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -1236,8 +1236,7 @@ int do_settimeofday64(const struct timespec64 *ts) timekeeping_forward_now(tk); xt = tk_xtime(tk); - ts_delta.tv_sec = ts->tv_sec - xt.tv_sec; - ts_delta.tv_nsec = ts->tv_nsec - xt.tv_nsec; + ts_delta = timespec64_sub(*ts, xt); if (timespec64_compare(&tk->wall_to_monotonic, &ts_delta) > 0) { ret = -EINVAL; diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index e809b0ca68b6a64a313fa668219bfa12c36ad40b..749832ca15237921c2877e253dad0f2c4bbd7bec 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -3007,7 +3007,7 @@ struct trace_buffer_struct { char buffer[4][TRACE_BUF_SIZE]; }; -static struct trace_buffer_struct *trace_percpu_buffer; +static struct trace_buffer_struct __percpu *trace_percpu_buffer; /* * Thise allows for lockless recording. If we're nested too deeply, then @@ -3017,7 +3017,7 @@ static char *get_trace_buf(void) { struct trace_buffer_struct *buffer = this_cpu_ptr(trace_percpu_buffer); - if (!buffer || buffer->nesting >= 4) + if (!trace_percpu_buffer || buffer->nesting >= 4) return NULL; buffer->nesting++; @@ -3036,7 +3036,7 @@ static void put_trace_buf(void) static int alloc_percpu_trace_buffer(void) { - struct trace_buffer_struct *buffers; + struct trace_buffer_struct __percpu *buffers; buffers = alloc_percpu(struct trace_buffer_struct); if (WARN(!buffers, "Could not allocate percpu trace_printk buffer")) @@ -6994,7 +6994,8 @@ static struct tracing_log_err *get_tracing_log_err(struct trace_array *tr) err = kzalloc(sizeof(*err), GFP_KERNEL); if (!err) err = ERR_PTR(-ENOMEM); - tr->n_err_log_entries++; + else + tr->n_err_log_entries++; return err; } diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index e361209d8b9b645c00e30e8283278e881f37b0d3..91561015ac5654fbe145316b3e30b3b4185049e7 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -1423,14 +1423,26 @@ __event_trigger_test_discard(struct trace_event_file *file, if (eflags & EVENT_FILE_FL_TRIGGER_COND) *tt = event_triggers_call(file, entry, event); - if (test_bit(EVENT_FILE_FL_SOFT_DISABLED_BIT, &file->flags) || - (unlikely(file->flags & EVENT_FILE_FL_FILTERED) && - !filter_match_preds(file->filter, entry))) { - __trace_event_discard_commit(buffer, event); - return true; - } + if (likely(!(file->flags & (EVENT_FILE_FL_SOFT_DISABLED | + EVENT_FILE_FL_FILTERED | + EVENT_FILE_FL_PID_FILTER)))) + return false; + + if (file->flags & EVENT_FILE_FL_SOFT_DISABLED) + goto discard; + + if (file->flags & EVENT_FILE_FL_FILTERED && + !filter_match_preds(file->filter, entry)) + goto discard; + + if ((file->flags & EVENT_FILE_FL_PID_FILTER) && + trace_event_ignore_this_pid(file)) + goto discard; return false; + discard: + __trace_event_discard_commit(buffer, event); + return true; } /** diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c index e31ee325dad16348fe851365d38fd3b95a5b2e6f..4acc77e049e5ff5e404d6eb4d9f96a43e8f6882f 100644 --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c @@ -2247,12 +2247,19 @@ static struct trace_event_file * trace_create_new_event(struct trace_event_call *call, struct trace_array *tr) { + struct trace_pid_list *pid_list; struct trace_event_file *file; file = kmem_cache_alloc(file_cachep, GFP_TRACE); if (!file) return NULL; + pid_list = rcu_dereference_protected(tr->filtered_pids, + lockdep_is_held(&event_mutex)); + + if (pid_list) + file->flags |= EVENT_FILE_FL_PID_FILTER; + file->event_call = call; file->tr = tr; atomic_set(&file->sm_ref, 0); diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c index f63766366e238d06bb0dd007010809ce925160b7..3cef24c6391a56f930f4707e53a335ad2a897f8e 100644 --- a/kernel/trace/trace_events_hist.c +++ b/kernel/trace/trace_events_hist.c @@ -149,6 +149,8 @@ struct hist_field { */ unsigned int var_ref_idx; bool read_once; + + unsigned int var_str_idx; }; static u64 hist_field_none(struct hist_field *field, @@ -351,6 +353,7 @@ struct hist_trigger_data { unsigned int n_keys; unsigned int n_fields; unsigned int n_vars; + unsigned int n_var_str; unsigned int key_size; struct tracing_map_sort_key sort_keys[TRACING_MAP_SORT_KEYS_MAX]; unsigned int n_sort_keys; @@ -2305,7 +2308,12 @@ static int hist_trigger_elt_data_alloc(struct tracing_map_elt *elt) } } - n_str = hist_data->n_field_var_str + hist_data->n_save_var_str; + n_str = hist_data->n_field_var_str + hist_data->n_save_var_str + + hist_data->n_var_str; + if (n_str > SYNTH_FIELDS_MAX) { + hist_elt_data_free(elt_data); + return -EINVAL; + } size = STR_VAR_LEN_MAX; @@ -2582,9 +2590,10 @@ static struct hist_field *create_hist_field(struct hist_trigger_data *hist_data, if (!hist_field->type) goto free; - if (field->filter_type == FILTER_STATIC_STRING) + if (field->filter_type == FILTER_STATIC_STRING) { hist_field->fn = hist_field_string; - else if (field->filter_type == FILTER_DYN_STRING) + hist_field->size = field->size; + } else if (field->filter_type == FILTER_DYN_STRING) hist_field->fn = hist_field_dynstring; else hist_field->fn = hist_field_pstring; @@ -3522,7 +3531,7 @@ static inline void __update_field_vars(struct tracing_map_elt *elt, char *str = elt_data->field_var_str[j++]; char *val_str = (char *)(uintptr_t)var_val; - strscpy(str, val_str, STR_VAR_LEN_MAX); + strscpy(str, val_str, val->size); var_val = (u64)(uintptr_t)str; } tracing_map_set_var(elt, var_idx, var_val); @@ -4389,6 +4398,7 @@ static int trace_action_create(struct hist_trigger_data *hist_data, var_ref_idx = find_var_ref_idx(hist_data, var_ref); if (WARN_ON(var_ref_idx < 0)) { + kfree(p); ret = var_ref_idx; goto err; } @@ -4599,6 +4609,7 @@ static int create_var_field(struct hist_trigger_data *hist_data, { struct trace_array *tr = hist_data->event_file->tr; unsigned long flags = 0; + int ret; if (WARN_ON(val_idx >= TRACING_MAP_VALS_MAX + TRACING_MAP_VARS_MAX)) return -EINVAL; @@ -4613,7 +4624,12 @@ static int create_var_field(struct hist_trigger_data *hist_data, if (WARN_ON(hist_data->n_vars > TRACING_MAP_VARS_MAX)) return -EINVAL; - return __create_val_field(hist_data, val_idx, file, var_name, expr_str, flags); + ret = __create_val_field(hist_data, val_idx, file, var_name, expr_str, flags); + + if (hist_data->fields[val_idx]->flags & HIST_FIELD_FL_STRING) + hist_data->fields[val_idx]->var_str_idx = hist_data->n_var_str++; + + return ret; } static int create_val_fields(struct hist_trigger_data *hist_data, @@ -5333,6 +5349,22 @@ static void hist_trigger_elt_update(struct hist_trigger_data *hist_data, hist_val = hist_field->fn(hist_field, elt, rbe, rec); if (hist_field->flags & HIST_FIELD_FL_VAR) { var_idx = hist_field->var.idx; + + if (hist_field->flags & HIST_FIELD_FL_STRING) { + unsigned int str_start, var_str_idx, idx; + char *str, *val_str; + + str_start = hist_data->n_field_var_str + + hist_data->n_save_var_str; + var_str_idx = hist_field->var_str_idx; + idx = str_start + var_str_idx; + + str = elt_data->field_var_str[idx]; + val_str = (char *)(uintptr_t)hist_val; + strscpy(str, val_str, hist_field->size); + + hist_val = (u64)(uintptr_t)str; + } tracing_map_set_var(elt, var_idx, hist_val); continue; } diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c index 5de084dab4fa65dc30a663d57af86d73ef971581..13ccf2f28987e9d70b615f0692d7b924a3877218 100644 --- a/kernel/trace/trace_kprobe.c +++ b/kernel/trace/trace_kprobe.c @@ -999,15 +999,18 @@ static int probes_profile_seq_show(struct seq_file *m, void *v) { struct dyn_event *ev = v; struct trace_kprobe *tk; + unsigned long nmissed; if (!is_trace_kprobe(ev)) return 0; tk = to_trace_kprobe(ev); + nmissed = trace_kprobe_is_return(tk) ? + tk->rp.kp.nmissed + tk->rp.nmissed : tk->rp.kp.nmissed; seq_printf(m, " %-44s %15lu %15lu\n", trace_probe_name(&tk->tp), trace_kprobe_nhit(tk), - tk->rp.kp.nmissed); + nmissed); return 0; } diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c index b515db036beccbb41f295b131b2939e990270208..efb51a23a14f2bbab25fe1bb9725602cfe371f77 100644 --- a/kernel/trace/trace_uprobe.c +++ b/kernel/trace/trace_uprobe.c @@ -1299,6 +1299,7 @@ static int uprobe_perf_open(struct trace_event_call *call, return 0; list_for_each_entry(pos, trace_probe_probe_list(tp), list) { + tu = container_of(pos, struct trace_uprobe, tp); err = uprobe_apply(tu->inode, tu->offset, &tu->consumer, true); if (err) { uprobe_perf_close(call, event); diff --git a/kernel/trace/tracing_map.c b/kernel/trace/tracing_map.c index 10657b8dc2c2df0302c1e29b6608f8147c18cb32..83c2a0598c64824718ce4b8a11f98e6dff7e7375 100644 --- a/kernel/trace/tracing_map.c +++ b/kernel/trace/tracing_map.c @@ -15,6 +15,7 @@ #include #include #include +#include #include "tracing_map.h" #include "trace.h" @@ -307,6 +308,7 @@ void tracing_map_array_free(struct tracing_map_array *a) for (i = 0; i < a->n_pages; i++) { if (!a->pages[i]) break; + kmemleak_free(a->pages[i]); free_page((unsigned long)a->pages[i]); } @@ -342,6 +344,7 @@ struct tracing_map_array *tracing_map_array_alloc(unsigned int n_elts, a->pages[i] = (void *)get_zeroed_page(GFP_KERNEL); if (!a->pages[i]) goto free; + kmemleak_alloc(a->pages[i], PAGE_SIZE, 1, GFP_KERNEL); } out: return a; diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 8daa53ed7c83b2951258e0c93ad63fb51b096a6b..bd2e4593f52bcb41d2ad94c0391531b5fa5ddb2c 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -859,8 +859,17 @@ void wq_worker_running(struct task_struct *task) if (!worker->sleeping) return; + + /* + * If preempted by unbind_workers() between the WORKER_NOT_RUNNING check + * and the nr_running increment below, we may ruin the nr_running reset + * and leave with an unexpected pool->nr_running == 1 on the newly unbound + * pool. Protect against such race. + */ + preempt_disable(); if (!(worker->flags & WORKER_NOT_RUNNING)) atomic_inc(&worker->pool->nr_running); + preempt_enable(); worker->sleeping = 0; } diff --git a/lib/siphash.c b/lib/siphash.c index c47bb6ff21499780b125543eccc3d4406787bf5a..025f0cbf6d7a74133414079e35a9d2b9b178b690 100644 --- a/lib/siphash.c +++ b/lib/siphash.c @@ -49,6 +49,7 @@ SIPROUND; \ return (v0 ^ v1) ^ (v2 ^ v3); +#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS u64 __siphash_aligned(const void *data, size_t len, const siphash_key_t *key) { const u8 *end = data + len - (len % sizeof(u64)); @@ -80,8 +81,8 @@ u64 __siphash_aligned(const void *data, size_t len, const siphash_key_t *key) POSTAMBLE } EXPORT_SYMBOL(__siphash_aligned); +#endif -#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS u64 __siphash_unaligned(const void *data, size_t len, const siphash_key_t *key) { const u8 *end = data + len - (len % sizeof(u64)); @@ -113,7 +114,6 @@ u64 __siphash_unaligned(const void *data, size_t len, const siphash_key_t *key) POSTAMBLE } EXPORT_SYMBOL(__siphash_unaligned); -#endif /** * siphash_1u64 - compute 64-bit siphash PRF value of a u64 @@ -250,6 +250,7 @@ EXPORT_SYMBOL(siphash_3u32); HSIPROUND; \ return (v0 ^ v1) ^ (v2 ^ v3); +#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS u32 __hsiphash_aligned(const void *data, size_t len, const hsiphash_key_t *key) { const u8 *end = data + len - (len % sizeof(u64)); @@ -280,8 +281,8 @@ u32 __hsiphash_aligned(const void *data, size_t len, const hsiphash_key_t *key) HPOSTAMBLE } EXPORT_SYMBOL(__hsiphash_aligned); +#endif -#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS u32 __hsiphash_unaligned(const void *data, size_t len, const hsiphash_key_t *key) { @@ -313,7 +314,6 @@ u32 __hsiphash_unaligned(const void *data, size_t len, HPOSTAMBLE } EXPORT_SYMBOL(__hsiphash_unaligned); -#endif /** * hsiphash_1u32 - compute 64-bit hsiphash PRF value of a u32 @@ -418,6 +418,7 @@ EXPORT_SYMBOL(hsiphash_4u32); HSIPROUND; \ return v1 ^ v3; +#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS u32 __hsiphash_aligned(const void *data, size_t len, const hsiphash_key_t *key) { const u8 *end = data + len - (len % sizeof(u32)); @@ -438,8 +439,8 @@ u32 __hsiphash_aligned(const void *data, size_t len, const hsiphash_key_t *key) HPOSTAMBLE } EXPORT_SYMBOL(__hsiphash_aligned); +#endif -#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS u32 __hsiphash_unaligned(const void *data, size_t len, const hsiphash_key_t *key) { @@ -461,7 +462,6 @@ u32 __hsiphash_unaligned(const void *data, size_t len, HPOSTAMBLE } EXPORT_SYMBOL(__hsiphash_unaligned); -#endif /** * hsiphash_1u32 - compute 32-bit hsiphash PRF value of a u32 diff --git a/lib/test_meminit.c b/lib/test_meminit.c index 9742e5cb853aa18313d533b17f73d85dc17d50e5..ab00c79423a5fde41802753aaccfb67604cdc567 100644 --- a/lib/test_meminit.c +++ b/lib/test_meminit.c @@ -319,6 +319,7 @@ static int __init do_kmem_cache_size_bulk(int size, int *total_failures) if (num) kmem_cache_free_bulk(c, num, objects); } + kmem_cache_destroy(c); *total_failures += fail; return 1; } diff --git a/mm/backing-dev.c b/mm/backing-dev.c index 3f2480e4c5af3bf665f794dca008ac586cc7d820..3954ef0cc7705e549826c4a39bb5ad05f2f29d6c 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -1013,6 +1013,13 @@ void bdi_unregister(struct backing_dev_info *bdi) wb_shutdown(&bdi->wb); cgwb_bdi_unregister(bdi); + /* + * If this BDI's min ratio has been set, use bdi_set_min_ratio() to + * update the global bdi_min_ratio. + */ + if (bdi->min_ratio) + bdi_set_min_ratio(bdi, 0); + if (bdi->dev) { bdi_debug_unregister(bdi); device_unregister(bdi->dev); diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 95a32749af4daab8e9ecea3cf334c75eee5a3c80..20da6ede7704145a73fe681aaae0ade4ce213d06 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -3589,6 +3589,7 @@ void __unmap_hugepage_range(struct mmu_gather *tlb, struct vm_area_struct *vma, struct hstate *h = hstate_vma(vma); unsigned long sz = huge_page_size(h); struct mmu_notifier_range range; + bool force_flush = false; WARN_ON(!is_vm_hugetlb_page(vma)); BUG_ON(start & ~huge_page_mask(h)); @@ -3617,10 +3618,8 @@ void __unmap_hugepage_range(struct mmu_gather *tlb, struct vm_area_struct *vma, ptl = huge_pte_lock(h, mm, ptep); if (huge_pmd_unshare(mm, &address, ptep)) { spin_unlock(ptl); - /* - * We just unmapped a page of PMDs by clearing a PUD. - * The caller's TLB flush range should cover this area. - */ + tlb_flush_pmd_range(tlb, address & PUD_MASK, PUD_SIZE); + force_flush = true; continue; } @@ -3677,6 +3676,22 @@ void __unmap_hugepage_range(struct mmu_gather *tlb, struct vm_area_struct *vma, } mmu_notifier_invalidate_range_end(&range); tlb_end_vma(tlb, vma); + + /* + * If we unshared PMDs, the TLB flush was not recorded in mmu_gather. We + * could defer the flush until now, since by holding i_mmap_rwsem we + * guaranteed that the last refernece would not be dropped. But we must + * do the flushing before we return, as otherwise i_mmap_rwsem will be + * dropped and the last reference to the shared PMDs page might be + * dropped as well. + * + * In theory we could defer the freeing of the PMD pages as well, but + * huge_pmd_unshare() relies on the exact page_count for the PMD page to + * detect sharing, so we cannot defer the release of the page either. + * Instead, do flush now. + */ + if (force_flush) + tlb_flush_mmu_tlbonly(tlb); } void __unmap_hugepage_range_final(struct mmu_gather *tlb, diff --git a/mm/kmemleak.c b/mm/kmemleak.c index 312942d78405860d6cb8c683ba4afe4dcb1ecec5..4a669c81f4e2260219e84f59407367f26c33be4d 100644 --- a/mm/kmemleak.c +++ b/mm/kmemleak.c @@ -1399,7 +1399,8 @@ static void kmemleak_scan(void) { unsigned long flags; struct kmemleak_object *object; - int i; + struct zone *zone; + int __maybe_unused i; int new_leaks = 0; jiffies_last_scan = jiffies; @@ -1439,9 +1440,9 @@ static void kmemleak_scan(void) * Struct page scanning for each node. */ get_online_mems(); - for_each_online_node(i) { - unsigned long start_pfn = node_start_pfn(i); - unsigned long end_pfn = node_end_pfn(i); + for_each_populated_zone(zone) { + unsigned long start_pfn = zone->zone_start_pfn; + unsigned long end_pfn = zone_end_pfn(zone); unsigned long pfn; for (pfn = start_pfn; pfn < end_pfn; pfn++) { @@ -1450,8 +1451,8 @@ static void kmemleak_scan(void) if (!page) continue; - /* only scan pages belonging to this node */ - if (page_to_nid(page) != i) + /* only scan pages belonging to this zone */ + if (page_zone(page) != zone) continue; /* only scan if page is in use */ if (page_count(page) == 0) diff --git a/mm/memblock.c b/mm/memblock.c index 4de2af293f47dc1cc5e5b086ec4bcf8f073388e4..e13003ed6ee7e1664eb7c35208f0d8a0cdfc3c49 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -164,6 +164,8 @@ bool __init_memblock memblock_overlaps_region(struct memblock_type *type, { unsigned long i; + memblock_cap_size(base, &size); + for (i = 0; i < type->cnt; i++) if (memblock_addrs_overlap(base, size, type->regions[i].base, type->regions[i].size)) @@ -1764,7 +1766,6 @@ bool __init_memblock memblock_is_region_memory(phys_addr_t base, phys_addr_t siz */ bool __init_memblock memblock_is_region_reserved(phys_addr_t base, phys_addr_t size) { - memblock_cap_size(base, &size); return memblock_overlaps_region(&memblock.reserved, base, size); } diff --git a/mm/mempolicy.c b/mm/mempolicy.c index dce402b3cca8bd6ca2becee78f48dd898f479b33..faea7eb50f7a4ad2f5f4d66a3e11fd3a298777db 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -2144,8 +2144,9 @@ alloc_pages_vma(gfp_t gfp, int order, struct vm_area_struct *vma, * memory as well. */ if (!page && (gfp & __GFP_DIRECT_RECLAIM)) - page = __alloc_pages_node(hpage_node, - gfp | __GFP_NORETRY, order); + page = __alloc_pages_nodemask(gfp | __GFP_NORETRY, + order, hpage_node, + nmask); goto out; } diff --git a/mm/page_alloc.c b/mm/page_alloc.c index a0337ac75c4005b6b6cef1e92ac1d926ec678172..17347687fd4b587d71a199b5ffb14991fc83331d 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -3849,7 +3849,9 @@ void warn_alloc(gfp_t gfp_mask, nodemask_t *nodemask, const char *fmt, ...) va_list args; static DEFINE_RATELIMIT_STATE(nopage_rs, 10*HZ, 1); - if ((gfp_mask & __GFP_NOWARN) || !__ratelimit(&nopage_rs)) + if ((gfp_mask & __GFP_NOWARN) || + !__ratelimit(&nopage_rs) || + ((gfp_mask & __GFP_DMA) && !has_managed_dma())) return; va_start(args, fmt); @@ -8794,3 +8796,18 @@ bool set_hwpoison_free_buddy_page(struct page *page) return hwpoisoned; } #endif + +#ifdef CONFIG_ZONE_DMA +bool has_managed_dma(void) +{ + struct pglist_data *pgdat; + + for_each_online_pgdat(pgdat) { + struct zone *zone = &pgdat->node_zones[ZONE_DMA]; + + if (managed_zone(zone)) + return true; + } + return false; +} +#endif /* CONFIG_ZONE_DMA */ diff --git a/mm/shmem.c b/mm/shmem.c index e77cb53349fdb7af31f84b4fea78fdbf831dcca3..74c3067f24a92f0dadda68b930ef99012c877505 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -466,7 +466,7 @@ static unsigned long shmem_unused_huge_shrink(struct shmem_sb_info *sbinfo, struct shmem_inode_info *info; struct page *page; unsigned long batch = sc ? sc->nr_to_scan : 128; - int removed = 0, split = 0; + int split = 0; if (list_empty(&sbinfo->shrinklist)) return SHRINK_STOP; @@ -481,7 +481,6 @@ static unsigned long shmem_unused_huge_shrink(struct shmem_sb_info *sbinfo, /* inode is about to be evicted */ if (!inode) { list_del_init(&info->shrinklist); - removed++; goto next; } @@ -489,12 +488,12 @@ static unsigned long shmem_unused_huge_shrink(struct shmem_sb_info *sbinfo, if (round_up(inode->i_size, PAGE_SIZE) == round_up(inode->i_size, HPAGE_PMD_SIZE)) { list_move(&info->shrinklist, &to_remove); - removed++; goto next; } list_move(&info->shrinklist, &list); next: + sbinfo->shrinklist_len--; if (!--batch) break; } @@ -514,7 +513,7 @@ static unsigned long shmem_unused_huge_shrink(struct shmem_sb_info *sbinfo, inode = &info->vfs_inode; if (nr_to_split && split >= nr_to_split) - goto leave; + goto move_back; page = find_get_page(inode->i_mapping, (inode->i_size & HPAGE_PMD_MASK) >> PAGE_SHIFT); @@ -528,38 +527,44 @@ static unsigned long shmem_unused_huge_shrink(struct shmem_sb_info *sbinfo, } /* - * Leave the inode on the list if we failed to lock - * the page at this time. + * Move the inode on the list back to shrinklist if we failed + * to lock the page at this time. * * Waiting for the lock may lead to deadlock in the * reclaim path. */ if (!trylock_page(page)) { put_page(page); - goto leave; + goto move_back; } ret = split_huge_page(page); unlock_page(page); put_page(page); - /* If split failed leave the inode on the list */ + /* If split failed move the inode on the list back to shrinklist */ if (ret) - goto leave; + goto move_back; split++; drop: list_del_init(&info->shrinklist); - removed++; -leave: + goto put; +move_back: + /* + * Make sure the inode is either on the global list or deleted + * from any local list before iput() since it could be deleted + * in another thread once we put the inode (then the local list + * is corrupted). + */ + spin_lock(&sbinfo->shrinklist_lock); + list_move(&info->shrinklist, &sbinfo->shrinklist); + sbinfo->shrinklist_len++; + spin_unlock(&sbinfo->shrinklist_lock); +put: iput(inode); } - spin_lock(&sbinfo->shrinklist_lock); - list_splice_tail(&list, &sbinfo->shrinklist); - sbinfo->shrinklist_len -= removed; - spin_unlock(&sbinfo->shrinklist_lock); - return split; } diff --git a/mm/slab.h b/mm/slab.h index b2b01694dc43f63259fa3ee1e1b59ef3505f794b..61feda3d7e00843d1748f1665c4d012834d64d30 100644 --- a/mm/slab.h +++ b/mm/slab.h @@ -211,7 +211,7 @@ static inline slab_flags_t kmem_cache_flags(unsigned int object_size, #define SLAB_CACHE_FLAGS (SLAB_NOLEAKTRACE | SLAB_RECLAIM_ACCOUNT | \ SLAB_TEMPORARY | SLAB_ACCOUNT) #else -#define SLAB_CACHE_FLAGS (0) +#define SLAB_CACHE_FLAGS (SLAB_NOLEAKTRACE) #endif /* Common flags available with current configuration */ diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c index cd7c0429cddf8081c9fd068416e4c1a339d5cdae..796d95797ab401c9e5221d0b553a7c79ecadb2e7 100644 --- a/net/8021q/vlan.c +++ b/net/8021q/vlan.c @@ -177,9 +177,6 @@ int register_vlan_dev(struct net_device *dev, struct netlink_ext_ack *extack) if (err) goto out_unregister_netdev; - /* Account for reference in struct vlan_dev_priv */ - dev_hold(real_dev); - vlan_stacked_transfer_operstate(real_dev, dev, vlan); linkwatch_fire_event(dev); /* _MUST_ call rfc2863_policy() */ diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c index 415a29d42cdf0ceb873c225c4a0936817f499d32..589615ec490bbcc636c1853d4e1d40f74a81a16a 100644 --- a/net/8021q/vlan_dev.c +++ b/net/8021q/vlan_dev.c @@ -583,6 +583,9 @@ static int vlan_dev_init(struct net_device *dev) if (!vlan->vlan_pcpu_stats) return -ENOMEM; + /* Get vlan's reference to real_dev */ + dev_hold(real_dev); + return 0; } diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c index 2fdb1b573e8c8fadf4575b956fb853d9d5791715..1f84d41e22c36280428e71f19f18bdf43d1632a7 100644 --- a/net/ax25/af_ax25.c +++ b/net/ax25/af_ax25.c @@ -85,8 +85,10 @@ static void ax25_kill_by_device(struct net_device *dev) again: ax25_for_each(s, &ax25_list) { if (s->ax25_dev == ax25_dev) { - s->ax25_dev = NULL; spin_unlock_bh(&ax25_list_lock); + lock_sock(s->sk); + s->ax25_dev = NULL; + release_sock(s->sk); ax25_disconnect(s, ENETUNREACH); spin_lock_bh(&ax25_list_lock); diff --git a/net/batman-adv/fragmentation.c b/net/batman-adv/fragmentation.c index 385fccdcf69d05d63f59d024dfb721b1e8f1c8b9..0da90e73c79bffe86072f0d704f0777d76b35f4c 100644 --- a/net/batman-adv/fragmentation.c +++ b/net/batman-adv/fragmentation.c @@ -391,6 +391,7 @@ bool batadv_frag_skb_fwd(struct sk_buff *skb, /** * batadv_frag_create() - create a fragment from skb + * @net_dev: outgoing device for fragment * @skb: skb to create fragment from * @frag_head: header to use in new fragment * @fragment_size: size of new fragment @@ -401,22 +402,25 @@ bool batadv_frag_skb_fwd(struct sk_buff *skb, * * Return: the new fragment, NULL on error. */ -static struct sk_buff *batadv_frag_create(struct sk_buff *skb, +static struct sk_buff *batadv_frag_create(struct net_device *net_dev, + struct sk_buff *skb, struct batadv_frag_packet *frag_head, unsigned int fragment_size) { + unsigned int ll_reserved = LL_RESERVED_SPACE(net_dev); + unsigned int tailroom = net_dev->needed_tailroom; struct sk_buff *skb_fragment; unsigned int header_size = sizeof(*frag_head); unsigned int mtu = fragment_size + header_size; - skb_fragment = netdev_alloc_skb(NULL, mtu + ETH_HLEN); + skb_fragment = dev_alloc_skb(ll_reserved + mtu + tailroom); if (!skb_fragment) goto err; skb_fragment->priority = skb->priority; /* Eat the last mtu-bytes of the skb */ - skb_reserve(skb_fragment, header_size + ETH_HLEN); + skb_reserve(skb_fragment, ll_reserved + header_size); skb_split(skb, skb_fragment, skb->len - fragment_size); /* Add the header */ @@ -439,11 +443,12 @@ int batadv_frag_send_packet(struct sk_buff *skb, struct batadv_orig_node *orig_node, struct batadv_neigh_node *neigh_node) { + struct net_device *net_dev = neigh_node->if_incoming->net_dev; struct batadv_priv *bat_priv; struct batadv_hard_iface *primary_if = NULL; struct batadv_frag_packet frag_header; struct sk_buff *skb_fragment; - unsigned int mtu = neigh_node->if_incoming->net_dev->mtu; + unsigned int mtu = net_dev->mtu; unsigned int header_size = sizeof(frag_header); unsigned int max_fragment_size, num_fragments; int ret; @@ -503,7 +508,7 @@ int batadv_frag_send_packet(struct sk_buff *skb, goto put_primary_if; } - skb_fragment = batadv_frag_create(skb, &frag_header, + skb_fragment = batadv_frag_create(net_dev, skb, &frag_header, max_fragment_size); if (!skb_fragment) { ret = -ENOMEM; @@ -522,13 +527,14 @@ int batadv_frag_send_packet(struct sk_buff *skb, frag_header.no++; } - /* Make room for the fragment header. */ - if (batadv_skb_head_push(skb, header_size) < 0 || - pskb_expand_head(skb, header_size + ETH_HLEN, 0, GFP_ATOMIC) < 0) { - ret = -ENOMEM; + /* make sure that there is at least enough head for the fragmentation + * and ethernet headers + */ + ret = skb_cow_head(skb, ETH_HLEN + header_size); + if (ret < 0) goto put_primary_if; - } + skb_push(skb, header_size); memcpy(skb->data, &frag_header, header_size); /* Send the last fragment */ diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c index afb52282d5bd0d495febb5b7d636830f5475d74e..18e644f3cb309815e370007168c418a35d22a5d2 100644 --- a/net/batman-adv/hard-interface.c +++ b/net/batman-adv/hard-interface.c @@ -554,6 +554,9 @@ static void batadv_hardif_recalc_extra_skbroom(struct net_device *soft_iface) needed_headroom = lower_headroom + (lower_header_len - ETH_HLEN); needed_headroom += batadv_max_header_len(); + /* fragmentation headers don't strip the unicast/... header */ + needed_headroom += sizeof(struct batadv_frag_packet); + soft_iface->needed_headroom = needed_headroom; soft_iface->needed_tailroom = lower_tailroom; } diff --git a/net/batman-adv/multicast.c b/net/batman-adv/multicast.c index f5bf931252c4b434e528fc88cfceac9e52913aa3..09d81f9c2a649d868192b904f26bccb7f278d733 100644 --- a/net/batman-adv/multicast.c +++ b/net/batman-adv/multicast.c @@ -1373,6 +1373,7 @@ batadv_mcast_forw_rtr_node_get(struct batadv_priv *bat_priv, * @bat_priv: the bat priv with all the soft interface information * @skb: The multicast packet to check * @orig: an originator to be set to forward the skb to + * @is_routable: stores whether the destination is routable * * Return: the forwarding mode as enum batadv_forw_mode and in case of * BATADV_FORW_SINGLE set the orig to the single originator the skb @@ -1380,17 +1381,16 @@ batadv_mcast_forw_rtr_node_get(struct batadv_priv *bat_priv, */ enum batadv_forw_mode batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb, - struct batadv_orig_node **orig) + struct batadv_orig_node **orig, int *is_routable) { int ret, tt_count, ip_count, unsnoop_count, total_count; bool is_unsnoopable = false; unsigned int mcast_fanout; struct ethhdr *ethhdr; - int is_routable = 0; int rtr_count = 0; ret = batadv_mcast_forw_mode_check(bat_priv, skb, &is_unsnoopable, - &is_routable); + is_routable); if (ret == -ENOMEM) return BATADV_FORW_NONE; else if (ret < 0) @@ -1403,7 +1403,7 @@ batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb, ip_count = batadv_mcast_forw_want_all_ip_count(bat_priv, ethhdr); unsnoop_count = !is_unsnoopable ? 0 : atomic_read(&bat_priv->mcast.num_want_all_unsnoopables); - rtr_count = batadv_mcast_forw_rtr_count(bat_priv, is_routable); + rtr_count = batadv_mcast_forw_rtr_count(bat_priv, *is_routable); total_count = tt_count + ip_count + unsnoop_count + rtr_count; @@ -1723,6 +1723,7 @@ batadv_mcast_forw_want_rtr(struct batadv_priv *bat_priv, * @bat_priv: the bat priv with all the soft interface information * @skb: the multicast packet to transmit * @vid: the vlan identifier + * @is_routable: stores whether the destination is routable * * Sends copies of a frame with multicast destination to any node that signaled * interest in it, that is either via the translation table or the according @@ -1735,7 +1736,7 @@ batadv_mcast_forw_want_rtr(struct batadv_priv *bat_priv, * is neither IPv4 nor IPv6. NET_XMIT_SUCCESS otherwise. */ int batadv_mcast_forw_send(struct batadv_priv *bat_priv, struct sk_buff *skb, - unsigned short vid) + unsigned short vid, int is_routable) { int ret; @@ -1751,12 +1752,16 @@ int batadv_mcast_forw_send(struct batadv_priv *bat_priv, struct sk_buff *skb, return ret; } + if (!is_routable) + goto skip_mc_router; + ret = batadv_mcast_forw_want_rtr(bat_priv, skb, vid); if (ret != NET_XMIT_SUCCESS) { kfree_skb(skb); return ret; } +skip_mc_router: consume_skb(skb); return ret; } diff --git a/net/batman-adv/multicast.h b/net/batman-adv/multicast.h index 403929013ac479e9a53a9820fd2d293b41f06c5b..fc1ffd22a67150ea7cd8dfb482a4b368a12c4f9b 100644 --- a/net/batman-adv/multicast.h +++ b/net/batman-adv/multicast.h @@ -44,7 +44,8 @@ enum batadv_forw_mode { enum batadv_forw_mode batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb, - struct batadv_orig_node **mcast_single_orig); + struct batadv_orig_node **mcast_single_orig, + int *is_routable); int batadv_mcast_forw_send_orig(struct batadv_priv *bat_priv, struct sk_buff *skb, @@ -52,7 +53,7 @@ int batadv_mcast_forw_send_orig(struct batadv_priv *bat_priv, struct batadv_orig_node *orig_node); int batadv_mcast_forw_send(struct batadv_priv *bat_priv, struct sk_buff *skb, - unsigned short vid); + unsigned short vid, int is_routable); void batadv_mcast_init(struct batadv_priv *bat_priv); @@ -71,7 +72,8 @@ void batadv_mcast_purge_orig(struct batadv_orig_node *orig_node); static inline enum batadv_forw_mode batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb, - struct batadv_orig_node **mcast_single_orig) + struct batadv_orig_node **mcast_single_orig, + int *is_routable) { return BATADV_FORW_ALL; } @@ -88,7 +90,7 @@ batadv_mcast_forw_send_orig(struct batadv_priv *bat_priv, static inline int batadv_mcast_forw_send(struct batadv_priv *bat_priv, struct sk_buff *skb, - unsigned short vid) + unsigned short vid, int is_routable) { kfree_skb(skb); return NET_XMIT_DROP; diff --git a/net/batman-adv/netlink.c b/net/batman-adv/netlink.c index 7e052d6f759b659dbee0edd7546c367cf14b8e9e..e59c5aa27ee0b7c1e33d30d078e5343e04c1aa07 100644 --- a/net/batman-adv/netlink.c +++ b/net/batman-adv/netlink.c @@ -1351,21 +1351,21 @@ static const struct genl_ops batadv_netlink_ops[] = { { .cmd = BATADV_CMD_TP_METER, .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .flags = GENL_ADMIN_PERM, + .flags = GENL_UNS_ADMIN_PERM, .doit = batadv_netlink_tp_meter_start, .internal_flags = BATADV_FLAG_NEED_MESH, }, { .cmd = BATADV_CMD_TP_METER_CANCEL, .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .flags = GENL_ADMIN_PERM, + .flags = GENL_UNS_ADMIN_PERM, .doit = batadv_netlink_tp_meter_cancel, .internal_flags = BATADV_FLAG_NEED_MESH, }, { .cmd = BATADV_CMD_GET_ROUTING_ALGOS, .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .flags = GENL_ADMIN_PERM, + .flags = GENL_UNS_ADMIN_PERM, .dumpit = batadv_algo_dump, }, { @@ -1380,68 +1380,68 @@ static const struct genl_ops batadv_netlink_ops[] = { { .cmd = BATADV_CMD_GET_TRANSTABLE_LOCAL, .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .flags = GENL_ADMIN_PERM, + .flags = GENL_UNS_ADMIN_PERM, .dumpit = batadv_tt_local_dump, }, { .cmd = BATADV_CMD_GET_TRANSTABLE_GLOBAL, .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .flags = GENL_ADMIN_PERM, + .flags = GENL_UNS_ADMIN_PERM, .dumpit = batadv_tt_global_dump, }, { .cmd = BATADV_CMD_GET_ORIGINATORS, .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .flags = GENL_ADMIN_PERM, + .flags = GENL_UNS_ADMIN_PERM, .dumpit = batadv_orig_dump, }, { .cmd = BATADV_CMD_GET_NEIGHBORS, .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .flags = GENL_ADMIN_PERM, + .flags = GENL_UNS_ADMIN_PERM, .dumpit = batadv_hardif_neigh_dump, }, { .cmd = BATADV_CMD_GET_GATEWAYS, .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .flags = GENL_ADMIN_PERM, + .flags = GENL_UNS_ADMIN_PERM, .dumpit = batadv_gw_dump, }, { .cmd = BATADV_CMD_GET_BLA_CLAIM, .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .flags = GENL_ADMIN_PERM, + .flags = GENL_UNS_ADMIN_PERM, .dumpit = batadv_bla_claim_dump, }, { .cmd = BATADV_CMD_GET_BLA_BACKBONE, .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .flags = GENL_ADMIN_PERM, + .flags = GENL_UNS_ADMIN_PERM, .dumpit = batadv_bla_backbone_dump, }, { .cmd = BATADV_CMD_GET_DAT_CACHE, .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .flags = GENL_ADMIN_PERM, + .flags = GENL_UNS_ADMIN_PERM, .dumpit = batadv_dat_cache_dump, }, { .cmd = BATADV_CMD_GET_MCAST_FLAGS, .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .flags = GENL_ADMIN_PERM, + .flags = GENL_UNS_ADMIN_PERM, .dumpit = batadv_mcast_flags_dump, }, { .cmd = BATADV_CMD_SET_MESH, .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .flags = GENL_ADMIN_PERM, + .flags = GENL_UNS_ADMIN_PERM, .doit = batadv_netlink_set_mesh, .internal_flags = BATADV_FLAG_NEED_MESH, }, { .cmd = BATADV_CMD_SET_HARDIF, .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .flags = GENL_ADMIN_PERM, + .flags = GENL_UNS_ADMIN_PERM, .doit = batadv_netlink_set_hardif, .internal_flags = BATADV_FLAG_NEED_MESH | BATADV_FLAG_NEED_HARDIF, @@ -1457,7 +1457,7 @@ static const struct genl_ops batadv_netlink_ops[] = { { .cmd = BATADV_CMD_SET_VLAN, .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, - .flags = GENL_ADMIN_PERM, + .flags = GENL_UNS_ADMIN_PERM, .doit = batadv_netlink_set_vlan, .internal_flags = BATADV_FLAG_NEED_MESH | BATADV_FLAG_NEED_VLAN, diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c index 7f209390069eab38e5847365b5cd38cb1229161f..504e3cb67bed455b7d4d2a7e37a392ba4f29624f 100644 --- a/net/batman-adv/soft-interface.c +++ b/net/batman-adv/soft-interface.c @@ -200,6 +200,7 @@ static netdev_tx_t batadv_interface_tx(struct sk_buff *skb, int gw_mode; enum batadv_forw_mode forw_mode = BATADV_FORW_SINGLE; struct batadv_orig_node *mcast_single_orig = NULL; + int mcast_is_routable = 0; int network_offset = ETH_HLEN; __be16 proto; @@ -302,7 +303,8 @@ static netdev_tx_t batadv_interface_tx(struct sk_buff *skb, send: if (do_bcast && !is_broadcast_ether_addr(ethhdr->h_dest)) { forw_mode = batadv_mcast_forw_mode(bat_priv, skb, - &mcast_single_orig); + &mcast_single_orig, + &mcast_is_routable); if (forw_mode == BATADV_FORW_NONE) goto dropped; @@ -367,7 +369,8 @@ static netdev_tx_t batadv_interface_tx(struct sk_buff *skb, ret = batadv_mcast_forw_send_orig(bat_priv, skb, vid, mcast_single_orig); } else if (forw_mode == BATADV_FORW_SOME) { - ret = batadv_mcast_forw_send(bat_priv, skb, vid); + ret = batadv_mcast_forw_send(bat_priv, skb, vid, + mcast_is_routable); } else { if (batadv_dat_snoop_outgoing_arp_request(bat_priv, skb)) diff --git a/net/bluetooth/cmtp/core.c b/net/bluetooth/cmtp/core.c index 0a2d78e811cf5bbea7d735bc345a1ddc9a46cbf8..83eb84e8e688f3bcab98c99758ee99ae7f85dc46 100644 --- a/net/bluetooth/cmtp/core.c +++ b/net/bluetooth/cmtp/core.c @@ -501,9 +501,7 @@ static int __init cmtp_init(void) { BT_INFO("CMTP (CAPI Emulation) ver %s", VERSION); - cmtp_init_sockets(); - - return 0; + return cmtp_init_sockets(); } static void __exit cmtp_exit(void) diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index c50e3e8afbd349616778a0eb1e3dc948aa263acb..2edaa601df13aabdca4382fa7512e213d78ee7ab 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -3387,6 +3387,7 @@ int hci_register_dev(struct hci_dev *hdev) return id; err_wqueue: + debugfs_remove_recursive(hdev->debugfs); destroy_workqueue(hdev->workqueue); destroy_workqueue(hdev->req_workqueue); err: diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 31469ff084cd32f4046f6d74ec44295157ae5059..082a262ab49c3325b1eba46ac80d243ae8ef0262 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -5506,7 +5506,13 @@ static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb) struct hci_ev_le_advertising_info *ev = ptr; s8 rssi; - if (ev->length <= HCI_MAX_AD_LENGTH) { + if (ptr > (void *)skb_tail_pointer(skb) - sizeof(*ev)) { + bt_dev_err(hdev, "Malicious advertising data."); + break; + } + + if (ev->length <= HCI_MAX_AD_LENGTH && + ev->data + ev->length <= skb_tail_pointer(skb)) { rssi = ev->data[ev->length]; process_adv_report(hdev, ev->evt_type, &ev->bdaddr, ev->bdaddr_type, NULL, 0, rssi, diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c index 0dd8984a261da85b7ae9c114222ab93669ee73a7..f085b1648e66c6177adf8f13bfe537c766b0b992 100644 --- a/net/bridge/br_device.c +++ b/net/bridge/br_device.c @@ -33,7 +33,6 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev) struct pcpu_sw_netstats *brstats = this_cpu_ptr(br->stats); const struct nf_br_ops *nf_ops; const unsigned char *dest; - struct ethhdr *eth; u16 vid = 0; rcu_read_lock(); @@ -53,15 +52,14 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev) BR_INPUT_SKB_CB(skb)->frag_max_size = 0; skb_reset_mac_header(skb); - eth = eth_hdr(skb); skb_pull(skb, ETH_HLEN); if (!br_allowed_ingress(br, br_vlan_group_rcu(br), skb, &vid)) goto out; if (IS_ENABLED(CONFIG_INET) && - (eth->h_proto == htons(ETH_P_ARP) || - eth->h_proto == htons(ETH_P_RARP)) && + (eth_hdr(skb)->h_proto == htons(ETH_P_ARP) || + eth_hdr(skb)->h_proto == htons(ETH_P_RARP)) && br_opt_get(br, BROPT_NEIGH_SUPPRESS_ENABLED)) { br_do_proxy_suppress_arp(skb, br, vid, NULL); } else if (IS_ENABLED(CONFIG_IPV6) && diff --git a/net/bridge/br_netfilter_hooks.c b/net/bridge/br_netfilter_hooks.c index 2371b833b2bcdedb0f4fbf0a00927ba941ca7b79..480e4111b24c15630c73384c516ca287c7e9048f 100644 --- a/net/bridge/br_netfilter_hooks.c +++ b/net/bridge/br_netfilter_hooks.c @@ -743,6 +743,9 @@ static int br_nf_dev_queue_xmit(struct net *net, struct sock *sk, struct sk_buff if (nf_bridge->frag_max_size && nf_bridge->frag_max_size < mtu) mtu = nf_bridge->frag_max_size; + nf_bridge_update_protocol(skb); + nf_bridge_push_encap_header(skb); + if (skb_is_gso(skb) || skb->len + mtu_reserved <= mtu) { nf_bridge_info_free(skb); return br_dev_queue_push_xmit(net, sk, skb); @@ -760,8 +763,6 @@ static int br_nf_dev_queue_xmit(struct net *net, struct sock *sk, struct sk_buff IPCB(skb)->frag_max_size = nf_bridge->frag_max_size; - nf_bridge_update_protocol(skb); - data = this_cpu_ptr(&brnf_frag_data_storage); if (skb_vlan_tag_present(skb)) { @@ -789,8 +790,6 @@ static int br_nf_dev_queue_xmit(struct net *net, struct sock *sk, struct sk_buff IP6CB(skb)->frag_max_size = nf_bridge->frag_max_size; - nf_bridge_update_protocol(skb); - data = this_cpu_ptr(&brnf_frag_data_storage); data->encap_size = nf_bridge_encap_header_len(skb); data->size = ETH_HLEN + data->encap_size; diff --git a/net/can/j1939/transport.c b/net/can/j1939/transport.c index 811682e06951b42ee915a57de34517557a8a6667..22f4b798d385b3c36b331780d9e17f7b16fc3d6b 100644 --- a/net/can/j1939/transport.c +++ b/net/can/j1939/transport.c @@ -2004,6 +2004,12 @@ static void j1939_tp_cmd_recv(struct j1939_priv *priv, struct sk_buff *skb) extd = J1939_ETP; /* fall through */ case J1939_TP_CMD_BAM: /* fall through */ + if (cmd == J1939_TP_CMD_BAM && !j1939_cb_is_broadcast(skcb)) { + netdev_err_once(priv->ndev, "%s: BAM to unicast (%02x), ignoring!\n", + __func__, skcb->addr.sa); + return; + } + fallthrough; case J1939_TP_CMD_RTS: /* fall through */ if (skcb->addr.type != extd) return; diff --git a/net/core/dev.c b/net/core/dev.c index bac5352e303b91de897e912e3e095e3e8087fade..507b84cb7a279ff41eef87ee70b6f73283e0d5fe 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -3771,7 +3771,10 @@ static int __dev_queue_xmit(struct sk_buff *skb, struct net_device *sb_dev) if (dev->flags & IFF_UP) { int cpu = smp_processor_id(); /* ok because BHs are off */ - if (txq->xmit_lock_owner != cpu) { + /* Other cpus might concurrently change txq->xmit_lock_owner + * to -1 or to their cpu id, but not to our id. + */ + if (READ_ONCE(txq->xmit_lock_owner) != cpu) { if (dev_xmit_recursion()) goto recursion_alert; diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c index 675f27ef6872fc7157acc50f11926cb64a4dfa89..83299a85480aa6448ec58e598522b5ec60ffa7ea 100644 --- a/net/core/fib_rules.c +++ b/net/core/fib_rules.c @@ -300,7 +300,7 @@ int fib_rules_lookup(struct fib_rules_ops *ops, struct flowi *fl, else err = ops->action(rule, fl, flags, arg); - if (!err && ops->suppress && ops->suppress(rule, arg)) + if (!err && ops->suppress && ops->suppress(rule, flags, arg)) continue; if (err != -EAGAIN) { diff --git a/net/core/filter.c b/net/core/filter.c index a0d480bd1def325ef0abcedb1bbc749c57cb67e1..9561b7884d807dfd5ba44f389c4a1bb2fe7af388 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -4248,12 +4248,14 @@ BPF_CALL_5(bpf_setsockopt, struct bpf_sock_ops_kern *, bpf_sock, switch (optname) { case SO_RCVBUF: val = min_t(u32, val, sysctl_rmem_max); + val = min_t(int, val, INT_MAX / 2); sk->sk_userlocks |= SOCK_RCVBUF_LOCK; WRITE_ONCE(sk->sk_rcvbuf, max_t(int, val * 2, SOCK_MIN_RCVBUF)); break; case SO_SNDBUF: val = min_t(u32, val, sysctl_wmem_max); + val = min_t(int, val, INT_MAX / 2); sk->sk_userlocks |= SOCK_SNDBUF_LOCK; WRITE_ONCE(sk->sk_sndbuf, max_t(int, val * 2, SOCK_MIN_SNDBUF)); @@ -6914,9 +6916,9 @@ void bpf_warn_invalid_xdp_action(u32 act) { const u32 act_max = XDP_REDIRECT; - WARN_ONCE(1, "%s XDP return value %u, expect packet loss!\n", - act > act_max ? "Illegal" : "Driver unsupported", - act); + pr_warn_once("%s XDP return value %u, expect packet loss!\n", + act > act_max ? "Illegal" : "Driver unsupported", + act); } EXPORT_SYMBOL_GPL(bpf_warn_invalid_xdp_action); diff --git a/net/core/lwtunnel.c b/net/core/lwtunnel.c index 2f9c0de533c75c282b40dddd2fa9154968702849..0b64f015b3b0bd698cfcc20e328085619b9f0315 100644 --- a/net/core/lwtunnel.c +++ b/net/core/lwtunnel.c @@ -190,6 +190,10 @@ int lwtunnel_valid_encap_type_attr(struct nlattr *attr, int remaining, nla_entype = nla_find(attrs, attrlen, RTA_ENCAP_TYPE); if (nla_entype) { + if (nla_len(nla_entype) < sizeof(u16)) { + NL_SET_ERR_MSG(extack, "Invalid RTA_ENCAP_TYPE"); + return -EINVAL; + } encap_type = nla_get_u16(nla_entype); if (lwtunnel_valid_encap_type(encap_type, diff --git a/net/core/neighbour.c b/net/core/neighbour.c index 44a1a6cb1957f31e67aff3485f0cce12ae1675fc..0e9a6eb65b46bf1e6c62063c14c1907be8f32cdd 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -732,11 +732,10 @@ struct pneigh_entry * pneigh_lookup(struct neigh_table *tbl, ASSERT_RTNL(); - n = kmalloc(sizeof(*n) + key_len, GFP_KERNEL); + n = kzalloc(sizeof(*n) + key_len, GFP_KERNEL); if (!n) goto out; - n->protocol = 0; write_pnet(&n->net, net); memcpy(n->key, pkey, key_len); n->dev = dev; diff --git a/net/core/net-procfs.c b/net/core/net-procfs.c index 36347933ec3af2471e7efa0b56a18438d01f206f..4bd4ca70fa5dbf9b2cc8d31e3a5f6afdd5714cfe 100644 --- a/net/core/net-procfs.c +++ b/net/core/net-procfs.c @@ -182,12 +182,23 @@ static const struct seq_operations softnet_seq_ops = { .show = softnet_seq_show, }; -static void *ptype_get_idx(loff_t pos) +static void *ptype_get_idx(struct seq_file *seq, loff_t pos) { + struct list_head *ptype_list = NULL; struct packet_type *pt = NULL; + struct net_device *dev; loff_t i = 0; int t; + for_each_netdev_rcu(seq_file_net(seq), dev) { + ptype_list = &dev->ptype_all; + list_for_each_entry_rcu(pt, ptype_list, list) { + if (i == pos) + return pt; + ++i; + } + } + list_for_each_entry_rcu(pt, &ptype_all, list) { if (i == pos) return pt; @@ -208,22 +219,40 @@ static void *ptype_seq_start(struct seq_file *seq, loff_t *pos) __acquires(RCU) { rcu_read_lock(); - return *pos ? ptype_get_idx(*pos - 1) : SEQ_START_TOKEN; + return *pos ? ptype_get_idx(seq, *pos - 1) : SEQ_START_TOKEN; } static void *ptype_seq_next(struct seq_file *seq, void *v, loff_t *pos) { + struct net_device *dev; struct packet_type *pt; struct list_head *nxt; int hash; ++*pos; if (v == SEQ_START_TOKEN) - return ptype_get_idx(0); + return ptype_get_idx(seq, 0); pt = v; nxt = pt->list.next; + if (pt->dev) { + if (nxt != &pt->dev->ptype_all) + goto found; + + dev = pt->dev; + for_each_netdev_continue_rcu(seq_file_net(seq), dev) { + if (!list_empty(&dev->ptype_all)) { + nxt = dev->ptype_all.next; + goto found; + } + } + + nxt = ptype_all.next; + goto ptype_all; + } + if (pt->type == htons(ETH_P_ALL)) { +ptype_all: if (nxt != &ptype_all) goto found; hash = 0; diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c index 05b0c60bfba2b42404f4917e221a22c6d869ca55..bcad7028bbf45bf1e67f0b0ef9b15a44d2678457 100644 --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -1661,6 +1661,9 @@ static void remove_queue_kobjects(struct net_device *dev) net_rx_queue_update_kobjects(dev, real_rx, 0); netdev_queue_update_kobjects(dev, real_tx, 0); + + dev->real_num_rx_queues = 0; + dev->real_num_tx_queues = 0; #ifdef CONFIG_SYSFS kset_unregister(dev->queues_kset); #endif diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c index cd1d40195e4615bc1379deeb2a1615e8ff017350..62a972f04cefb0289748354a1124c64168ff8fe9 100644 --- a/net/core/net_namespace.c +++ b/net/core/net_namespace.c @@ -168,8 +168,10 @@ static void ops_exit_list(const struct pernet_operations *ops, { struct net *net; if (ops->exit) { - list_for_each_entry(net, net_exit_list, exit_list) + list_for_each_entry(net, net_exit_list, exit_list) { ops->exit(net); + cond_resched(); + } } if (ops->exit_batch) ops->exit_batch(net_exit_list); diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 55c0f32b9375be77c5826992754fe9d44ae6d13a..dbc9b2f53649de901b6e486edf2885085502ea7d 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -3022,8 +3022,8 @@ static int __rtnl_newlink(struct sk_buff *skb, struct nlmsghdr *nlh, struct nlattr *slave_attr[RTNL_SLAVE_MAX_TYPE + 1]; unsigned char name_assign_type = NET_NAME_USER; struct nlattr *linkinfo[IFLA_INFO_MAX + 1]; - const struct rtnl_link_ops *m_ops = NULL; - struct net_device *master_dev = NULL; + const struct rtnl_link_ops *m_ops; + struct net_device *master_dev; struct net *net = sock_net(skb->sk); const struct rtnl_link_ops *ops; struct nlattr *tb[IFLA_MAX + 1]; @@ -3063,6 +3063,8 @@ static int __rtnl_newlink(struct sk_buff *skb, struct nlmsghdr *nlh, dev = NULL; } + master_dev = NULL; + m_ops = NULL; if (dev) { master_dev = netdev_master_upper_dev_get(dev); if (master_dev) diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 43ded8afb6de54c37166164380c4bdbd745dc05c..8f515391a4aedcaf7e3dee635da57eca99266227 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -770,7 +770,7 @@ void skb_dump(const char *level, const struct sk_buff *skb, bool full_pkt) ntohs(skb->protocol), skb->pkt_type, skb->skb_iif); if (dev) - printk("%sdev name=%s feat=0x%pNF\n", + printk("%sdev name=%s feat=%pNF\n", level, dev->name, &dev->features); if (sk) printk("%ssk family=%hu type=%u proto=%u\n", diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c index b2ba1d2556f146627f02f221b4799dfb7fd5b658..e0df892b5c37066ecd8dd154bf0d138662917935 100644 --- a/net/ieee802154/nl802154.c +++ b/net/ieee802154/nl802154.c @@ -1457,7 +1457,7 @@ static int nl802154_send_key(struct sk_buff *msg, u32 cmd, u32 portid, hdr = nl802154hdr_put(msg, portid, seq, flags, cmd); if (!hdr) - return -1; + return -ENOBUFS; if (nla_put_u32(msg, NL802154_ATTR_IFINDEX, dev->ifindex)) goto nla_put_failure; @@ -1650,7 +1650,7 @@ static int nl802154_send_device(struct sk_buff *msg, u32 cmd, u32 portid, hdr = nl802154hdr_put(msg, portid, seq, flags, cmd); if (!hdr) - return -1; + return -ENOBUFS; if (nla_put_u32(msg, NL802154_ATTR_IFINDEX, dev->ifindex)) goto nla_put_failure; @@ -1828,7 +1828,7 @@ static int nl802154_send_devkey(struct sk_buff *msg, u32 cmd, u32 portid, hdr = nl802154hdr_put(msg, portid, seq, flags, cmd); if (!hdr) - return -1; + return -ENOBUFS; if (nla_put_u32(msg, NL802154_ATTR_IFINDEX, dev->ifindex)) goto nla_put_failure; @@ -2004,7 +2004,7 @@ static int nl802154_send_seclevel(struct sk_buff *msg, u32 cmd, u32 portid, hdr = nl802154hdr_put(msg, portid, seq, flags, cmd); if (!hdr) - return -1; + return -ENOBUFS; if (nla_put_u32(msg, NL802154_ATTR_IFINDEX, dev->ifindex)) goto nla_put_failure; diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index e37150fc7c1b338d5eb7841389bdd75c0fb76572..4810b3af2671c1bf5cb94df2ac809868a677fb06 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -1978,6 +1978,10 @@ static int __init inet_init(void) ip_init(); + /* Initialise per-cpu ipv4 mibs */ + if (init_ipv4_mibs()) + panic("%s: Cannot init ipv4 mibs\n", __func__); + /* Setup TCP slab cache for open requests. */ tcp_init(); @@ -2008,12 +2012,6 @@ static int __init inet_init(void) if (init_inet_pernet_ops()) pr_crit("%s: Cannot init ipv4 inet pernet ops\n", __func__); - /* - * Initialise per-cpu ipv4 mibs - */ - - if (init_ipv4_mibs()) - pr_crit("%s: Cannot init ipv4 mibs\n", __func__); ipv4_proc_init(); diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index 603a3495afa62110e3bf3d9a942675f1dd3ed9fa..4a8ad46397c0e8e6537acf75cc459f1b61826821 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -2585,7 +2585,7 @@ static int __devinet_sysctl_register(struct net *net, char *dev_name, free: kfree(t); out: - return -ENOBUFS; + return -ENOMEM; } static void __devinet_sysctl_unregister(struct net *net, diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c index b875b98820ede0e66ac90a2f7b0b38ccbfdbbbfb..a95102fe663713e533a2e3d300679e9be9a94468 100644 --- a/net/ipv4/fib_frontend.c +++ b/net/ipv4/fib_frontend.c @@ -1588,7 +1588,7 @@ static int __net_init fib_net_init(struct net *net) int error; #ifdef CONFIG_IP_ROUTE_CLASSID - net->ipv4.fib_num_tclassid_users = 0; + atomic_set(&net->ipv4.fib_num_tclassid_users, 0); #endif error = ip_fib_net_init(net); if (error < 0) diff --git a/net/ipv4/fib_rules.c b/net/ipv4/fib_rules.c index b43a7ba5c6a42310546836f7bc11d2fa15234d75..e9a3cc9e98dfa31f678e540d0f3fa35d49322fc0 100644 --- a/net/ipv4/fib_rules.c +++ b/net/ipv4/fib_rules.c @@ -137,7 +137,7 @@ static int fib4_rule_action(struct fib_rule *rule, struct flowi *flp, return err; } -static bool fib4_rule_suppress(struct fib_rule *rule, struct fib_lookup_arg *arg) +static bool fib4_rule_suppress(struct fib_rule *rule, int flags, struct fib_lookup_arg *arg) { struct fib_result *result = (struct fib_result *) arg->result; struct net_device *dev = NULL; @@ -258,7 +258,7 @@ static int fib4_rule_configure(struct fib_rule *rule, struct sk_buff *skb, if (tb[FRA_FLOW]) { rule4->tclassid = nla_get_u32(tb[FRA_FLOW]); if (rule4->tclassid) - net->ipv4.fib_num_tclassid_users++; + atomic_inc(&net->ipv4.fib_num_tclassid_users); } #endif @@ -290,7 +290,7 @@ static int fib4_rule_delete(struct fib_rule *rule) #ifdef CONFIG_IP_ROUTE_CLASSID if (((struct fib4_rule *)rule)->tclassid) - net->ipv4.fib_num_tclassid_users--; + atomic_dec(&net->ipv4.fib_num_tclassid_users); #endif net->ipv4.fib_has_custom_rules = true; diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c index dce85a9c20c60380c1436a4c57352e25835fa95c..692ba6d6180f80c21110fc0267960ec4cb4dd59e 100644 --- a/net/ipv4/fib_semantics.c +++ b/net/ipv4/fib_semantics.c @@ -29,6 +29,7 @@ #include #include #include +#include #include #include @@ -222,7 +223,7 @@ void fib_nh_release(struct net *net, struct fib_nh *fib_nh) { #ifdef CONFIG_IP_ROUTE_CLASSID if (fib_nh->nh_tclassid) - net->ipv4.fib_num_tclassid_users--; + atomic_dec(&net->ipv4.fib_num_tclassid_users); #endif fib_nh_common_release(&fib_nh->nh_common); } @@ -318,11 +319,15 @@ static inline int nh_comp(struct fib_info *fi, struct fib_info *ofi) static inline unsigned int fib_devindex_hashfn(unsigned int val) { - unsigned int mask = DEVINDEX_HASHSIZE - 1; + return hash_32(val, DEVINDEX_HASHBITS); +} + +static struct hlist_head * +fib_info_devhash_bucket(const struct net_device *dev) +{ + u32 val = net_hash_mix(dev_net(dev)) ^ dev->ifindex; - return (val ^ - (val >> DEVINDEX_HASHBITS) ^ - (val >> (DEVINDEX_HASHBITS * 2))) & mask; + return &fib_info_devhash[fib_devindex_hashfn(val)]; } static unsigned int fib_info_hashfn_1(int init_val, u8 protocol, u8 scope, @@ -432,12 +437,11 @@ int ip_fib_check_default(__be32 gw, struct net_device *dev) { struct hlist_head *head; struct fib_nh *nh; - unsigned int hash; spin_lock(&fib_info_lock); - hash = fib_devindex_hashfn(dev->ifindex); - head = &fib_info_devhash[hash]; + head = fib_info_devhash_bucket(dev); + hlist_for_each_entry(nh, head, nh_hash) { if (nh->fib_nh_dev == dev && nh->fib_nh_gw4 == gw && @@ -624,7 +628,7 @@ int fib_nh_init(struct net *net, struct fib_nh *nh, #ifdef CONFIG_IP_ROUTE_CLASSID nh->nh_tclassid = cfg->fc_flow; if (nh->nh_tclassid) - net->ipv4.fib_num_tclassid_users++; + atomic_inc(&net->ipv4.fib_num_tclassid_users); #endif #ifdef CONFIG_IP_ROUTE_MULTIPATH nh->fib_nh_weight = nh_weight; @@ -654,6 +658,19 @@ static int fib_count_nexthops(struct rtnexthop *rtnh, int remaining, return nhs; } +static int fib_gw_from_attr(__be32 *gw, struct nlattr *nla, + struct netlink_ext_ack *extack) +{ + if (nla_len(nla) < sizeof(*gw)) { + NL_SET_ERR_MSG(extack, "Invalid IPv4 address in RTA_GATEWAY"); + return -EINVAL; + } + + *gw = nla_get_in_addr(nla); + + return 0; +} + /* only called when fib_nh is integrated into fib_info */ static int fib_get_nhs(struct fib_info *fi, struct rtnexthop *rtnh, int remaining, struct fib_config *cfg, @@ -696,7 +713,11 @@ static int fib_get_nhs(struct fib_info *fi, struct rtnexthop *rtnh, return -EINVAL; } if (nla) { - fib_cfg.fc_gw4 = nla_get_in_addr(nla); + ret = fib_gw_from_attr(&fib_cfg.fc_gw4, nla, + extack); + if (ret) + goto errout; + if (fib_cfg.fc_gw4) fib_cfg.fc_gw_family = AF_INET; } else if (nlav) { @@ -706,10 +727,18 @@ static int fib_get_nhs(struct fib_info *fi, struct rtnexthop *rtnh, } nla = nla_find(attrs, attrlen, RTA_FLOW); - if (nla) + if (nla) { + if (nla_len(nla) < sizeof(u32)) { + NL_SET_ERR_MSG(extack, "Invalid RTA_FLOW"); + return -EINVAL; + } fib_cfg.fc_flow = nla_get_u32(nla); + } fib_cfg.fc_encap = nla_find(attrs, attrlen, RTA_ENCAP); + /* RTA_ENCAP_TYPE length checked in + * lwtunnel_valid_encap_type_attr + */ nla = nla_find(attrs, attrlen, RTA_ENCAP_TYPE); if (nla) fib_cfg.fc_encap_type = nla_get_u16(nla); @@ -894,6 +923,7 @@ int fib_nh_match(struct fib_config *cfg, struct fib_info *fi, attrlen = rtnh_attrlen(rtnh); if (attrlen > 0) { struct nlattr *nla, *nlav, *attrs = rtnh_attrs(rtnh); + int err; nla = nla_find(attrs, attrlen, RTA_GATEWAY); nlav = nla_find(attrs, attrlen, RTA_VIA); @@ -904,12 +934,17 @@ int fib_nh_match(struct fib_config *cfg, struct fib_info *fi, } if (nla) { + __be32 gw; + + err = fib_gw_from_attr(&gw, nla, extack); + if (err) + return err; + if (nh->fib_nh_gw_family != AF_INET || - nla_get_in_addr(nla) != nh->fib_nh_gw4) + gw != nh->fib_nh_gw4) return 1; } else if (nlav) { struct fib_config cfg2; - int err; err = fib_gw_from_via(&cfg2, nlav, extack); if (err) @@ -932,8 +967,14 @@ int fib_nh_match(struct fib_config *cfg, struct fib_info *fi, #ifdef CONFIG_IP_ROUTE_CLASSID nla = nla_find(attrs, attrlen, RTA_FLOW); - if (nla && nla_get_u32(nla) != nh->nh_tclassid) - return 1; + if (nla) { + if (nla_len(nla) < sizeof(u32)) { + NL_SET_ERR_MSG(extack, "Invalid RTA_FLOW"); + return -EINVAL; + } + if (nla_get_u32(nla) != nh->nh_tclassid) + return 1; + } #endif } @@ -1557,12 +1598,10 @@ struct fib_info *fib_create_info(struct fib_config *cfg, } else { change_nexthops(fi) { struct hlist_head *head; - unsigned int hash; if (!nexthop_nh->fib_nh_dev) continue; - hash = fib_devindex_hashfn(nexthop_nh->fib_nh_dev->ifindex); - head = &fib_info_devhash[hash]; + head = fib_info_devhash_bucket(nexthop_nh->fib_nh_dev); hlist_add_head(&nexthop_nh->nh_hash, head); } endfor_nexthops(fi) } @@ -1903,8 +1942,7 @@ void fib_nhc_update_mtu(struct fib_nh_common *nhc, u32 new, u32 orig) void fib_sync_mtu(struct net_device *dev, u32 orig_mtu) { - unsigned int hash = fib_devindex_hashfn(dev->ifindex); - struct hlist_head *head = &fib_info_devhash[hash]; + struct hlist_head *head = fib_info_devhash_bucket(dev); struct fib_nh *nh; hlist_for_each_entry(nh, head, nh_hash) { @@ -1923,12 +1961,11 @@ void fib_sync_mtu(struct net_device *dev, u32 orig_mtu) */ int fib_sync_down_dev(struct net_device *dev, unsigned long event, bool force) { - int ret = 0; - int scope = RT_SCOPE_NOWHERE; + struct hlist_head *head = fib_info_devhash_bucket(dev); struct fib_info *prev_fi = NULL; - unsigned int hash = fib_devindex_hashfn(dev->ifindex); - struct hlist_head *head = &fib_info_devhash[hash]; + int scope = RT_SCOPE_NOWHERE; struct fib_nh *nh; + int ret = 0; if (force) scope = -1; @@ -2073,7 +2110,6 @@ static void fib_select_default(const struct flowi4 *flp, struct fib_result *res) int fib_sync_up(struct net_device *dev, unsigned char nh_flags) { struct fib_info *prev_fi; - unsigned int hash; struct hlist_head *head; struct fib_nh *nh; int ret; @@ -2089,8 +2125,7 @@ int fib_sync_up(struct net_device *dev, unsigned char nh_flags) } prev_fi = NULL; - hash = fib_devindex_hashfn(dev->ifindex); - head = &fib_info_devhash[hash]; + head = fib_info_devhash_bucket(dev); ret = 0; hlist_for_each_entry(nh, head, nh_hash) { diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c index 4f71aca156662b922d930cf7a7eb5af4ee51c954..f8f79672cc5f362c88a3d446e00b914606bf33f8 100644 --- a/net/ipv4/inet_diag.c +++ b/net/ipv4/inet_diag.c @@ -200,6 +200,7 @@ int inet_sk_diag_fill(struct sock *sk, struct inet_connection_sock *icsk, r->idiag_state = sk->sk_state; r->idiag_timer = 0; r->idiag_retrans = 0; + r->idiag_expires = 0; if (inet_diag_msg_attrs_fill(sk, skb, r, ext, user_ns, net_admin)) goto errout; @@ -240,20 +241,17 @@ int inet_sk_diag_fill(struct sock *sk, struct inet_connection_sock *icsk, r->idiag_timer = 1; r->idiag_retrans = icsk->icsk_retransmits; r->idiag_expires = - jiffies_to_msecs(icsk->icsk_timeout - jiffies); + jiffies_delta_to_msecs(icsk->icsk_timeout - jiffies); } else if (icsk->icsk_pending == ICSK_TIME_PROBE0) { r->idiag_timer = 4; r->idiag_retrans = icsk->icsk_probes_out; r->idiag_expires = - jiffies_to_msecs(icsk->icsk_timeout - jiffies); + jiffies_delta_to_msecs(icsk->icsk_timeout - jiffies); } else if (timer_pending(&sk->sk_timer)) { r->idiag_timer = 2; r->idiag_retrans = icsk->icsk_probes_out; r->idiag_expires = - jiffies_to_msecs(sk->sk_timer.expires - jiffies); - } else { - r->idiag_timer = 0; - r->idiag_expires = 0; + jiffies_delta_to_msecs(sk->sk_timer.expires - jiffies); } if ((ext & (1 << (INET_DIAG_INFO - 1))) && handler->idiag_info_size) { @@ -338,16 +336,13 @@ static int inet_twsk_diag_fill(struct sock *sk, r = nlmsg_data(nlh); BUG_ON(tw->tw_state != TCP_TIME_WAIT); - tmo = tw->tw_timer.expires - jiffies; - if (tmo < 0) - tmo = 0; - inet_diag_msg_common_fill(r, sk); r->idiag_retrans = 0; r->idiag_state = tw->tw_substate; r->idiag_timer = 3; - r->idiag_expires = jiffies_to_msecs(tmo); + tmo = tw->tw_timer.expires - jiffies; + r->idiag_expires = jiffies_delta_to_msecs(tmo); r->idiag_rqueue = 0; r->idiag_wqueue = 0; r->idiag_uid = 0; @@ -381,7 +376,7 @@ static int inet_req_diag_fill(struct sock *sk, struct sk_buff *skb, offsetof(struct sock, sk_cookie)); tmo = inet_reqsk(sk)->rsk_timer.expires - jiffies; - r->idiag_expires = (tmo >= 0) ? jiffies_to_msecs(tmo) : 0; + r->idiag_expires = jiffies_delta_to_msecs(tmo); r->idiag_rqueue = 0; r->idiag_wqueue = 0; r->idiag_uid = 0; diff --git a/net/ipv4/inet_fragment.c b/net/ipv4/inet_fragment.c index 10d31733297d7358b55b45d64bc447039365df1d..e0e8a65d561ec6553970af7ac8948db515f774dc 100644 --- a/net/ipv4/inet_fragment.c +++ b/net/ipv4/inet_fragment.c @@ -204,9 +204,9 @@ void inet_frag_kill(struct inet_frag_queue *fq) /* The RCU read lock provides a memory barrier * guaranteeing that if fqdir->dead is false then * the hash table destruction will not start until - * after we unlock. Paired with inet_frags_exit_net(). + * after we unlock. Paired with fqdir_pre_exit(). */ - if (!fqdir->dead) { + if (!READ_ONCE(fqdir->dead)) { rhashtable_remove_fast(&fqdir->rhashtable, &fq->node, fqdir->f->rhash_params); refcount_dec(&fq->refcnt); @@ -321,9 +321,11 @@ static struct inet_frag_queue *inet_frag_create(struct fqdir *fqdir, /* TODO : call from rcu_read_lock() and no longer use refcount_inc_not_zero() */ struct inet_frag_queue *inet_frag_find(struct fqdir *fqdir, void *key) { + /* This pairs with WRITE_ONCE() in fqdir_pre_exit(). */ + long high_thresh = READ_ONCE(fqdir->high_thresh); struct inet_frag_queue *fq = NULL, *prev; - if (!fqdir->high_thresh || frag_mem_limit(fqdir) > fqdir->high_thresh) + if (!high_thresh || frag_mem_limit(fqdir) > high_thresh) return NULL; rcu_read_lock(); diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c index cfeb8890f94ee95b2246ba98beb338a33fc45d1d..fad803d2d711ef0d97f7150f0f710a35ac822946 100644 --- a/net/ipv4/ip_fragment.c +++ b/net/ipv4/ip_fragment.c @@ -144,7 +144,8 @@ static void ip_expire(struct timer_list *t) rcu_read_lock(); - if (qp->q.fqdir->dead) + /* Paired with WRITE_ONCE() in fqdir_pre_exit(). */ + if (READ_ONCE(qp->q.fqdir->dead)) goto out_rcu_unlock; spin_lock(&qp->q.lock); diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index c4989e5903e437833b05737e8677de96e97917ab..f67f1d27f565599e3c27e669e15ddbcdd3847c26 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -577,8 +577,9 @@ static int gre_fill_metadata_dst(struct net_device *dev, struct sk_buff *skb) key = &info->key; ip_tunnel_init_flow(&fl4, IPPROTO_GRE, key->u.ipv4.dst, key->u.ipv4.src, - tunnel_id_to_key32(key->tun_id), key->tos, 0, - skb->mark, skb_get_hash(skb)); + tunnel_id_to_key32(key->tun_id), + key->tos & ~INET_ECN_MASK, 0, skb->mark, + skb_get_hash(skb)); rt = ip_route_output_key(dev_net(dev), &fl4); if (IS_ERR(rt)) return PTR_ERR(rt); diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index 0ec529d77a56e0bdf18d9c2b6e5c5457d1ac8bf4..418e939878004918c489e61183277f26cb9b4efc 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -161,12 +161,19 @@ int ip_build_and_send_pkt(struct sk_buff *skb, const struct sock *sk, iph->daddr = (opt && opt->opt.srr ? opt->opt.faddr : daddr); iph->saddr = saddr; iph->protocol = sk->sk_protocol; - if (ip_dont_fragment(sk, &rt->dst)) { + /* Do not bother generating IPID for small packets (eg SYNACK) */ + if (skb->len <= IPV4_MIN_MTU || ip_dont_fragment(sk, &rt->dst)) { iph->frag_off = htons(IP_DF); iph->id = 0; } else { iph->frag_off = 0; - __ip_select_ident(net, iph, 1); + /* TCP packets here are SYNACK with fat IPv4/TCP options. + * Avoid using the hashed IP ident generator. + */ + if (sk->sk_protocol == IPPROTO_TCP) + iph->id = (__force __be16)prandom_u32(); + else + __ip_select_ident(net, iph, 1); } if (opt && opt->opt.optlen) { diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c index d71935618871e14b2b4fad70ee7bc3b0f82ae6aa..2da689608036331399d874af03d3e57153478b38 100644 --- a/net/ipv4/ipmr.c +++ b/net/ipv4/ipmr.c @@ -259,7 +259,9 @@ static int __net_init ipmr_rules_init(struct net *net) return 0; err2: + rtnl_lock(); ipmr_free_table(mrt); + rtnl_unlock(); err1: fib_rules_unregister(ops); return err; diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c index 6bdb1ab8af6170938ecfe55b43d4de18352a7fc7..63ebb87d8533190477c6b1cc1a124f6d8bedb110 100644 --- a/net/ipv4/netfilter/ipt_CLUSTERIP.c +++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c @@ -505,8 +505,11 @@ static int clusterip_tg_check(const struct xt_tgchk_param *par) if (IS_ERR(config)) return PTR_ERR(config); } - } else if (memcmp(&config->clustermac, &cipinfo->clustermac, ETH_ALEN)) + } else if (memcmp(&config->clustermac, &cipinfo->clustermac, ETH_ALEN)) { + clusterip_config_entry_put(config); + clusterip_config_put(config); return -EINVAL; + } ret = nf_ct_netns_get(par->net, par->family); if (ret < 0) { diff --git a/net/ipv4/nexthop.c b/net/ipv4/nexthop.c index 858bb10d8341e59b916b519671035cf2a1d2c7d7..8bdffdf0502a17daaf5c888702b3ea002ea732d3 100644 --- a/net/ipv4/nexthop.c +++ b/net/ipv4/nexthop.c @@ -1231,11 +1231,15 @@ static int nh_create_ipv6(struct net *net, struct nexthop *nh, /* sets nh_dev if successful */ err = ipv6_stub->fib6_nh_init(net, fib6_nh, &fib6_cfg, GFP_KERNEL, extack); - if (err) + if (err) { + /* IPv6 is not enabled, don't call fib6_nh_release */ + if (err == -EAFNOSUPPORT) + goto out; ipv6_stub->fib6_nh_release(fib6_nh); - else + } else { nh->nh_flags = fib6_nh->fib_nh_flags; - + } +out: return err; } diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c index 1c3d5d3702a10d2b902f67ac393f3a6f6080d291..b0f51c7cc0d90b4bd440023f72709e6d416bc017 100644 --- a/net/ipv4/ping.c +++ b/net/ipv4/ping.c @@ -220,7 +220,8 @@ static struct sock *ping_lookup(struct net *net, struct sk_buff *skb, u16 ident) continue; } - if (sk->sk_bound_dev_if && sk->sk_bound_dev_if != dif) + if (sk->sk_bound_dev_if && sk->sk_bound_dev_if != dif && + sk->sk_bound_dev_if != inet_sdif(skb)) continue; sock_hold(sk); diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c index 3183413ebc6c223f90594325d02c919fade627e7..ddc24e57dc555f3d440b205d0a0d1532f73f8df6 100644 --- a/net/ipv4/raw.c +++ b/net/ipv4/raw.c @@ -720,6 +720,7 @@ static int raw_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len) int ret = -EINVAL; int chk_addr_ret; + lock_sock(sk); if (sk->sk_state != TCP_CLOSE || addr_len < sizeof(struct sockaddr_in)) goto out; @@ -739,7 +740,9 @@ static int raw_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len) inet->inet_saddr = 0; /* Use device */ sk_dst_reset(sk); ret = 0; -out: return ret; +out: + release_sock(sk); + return ret; } /* diff --git a/net/ipv4/tcp_cubic.c b/net/ipv4/tcp_cubic.c index ee6c38a73325d961f6e76c82cfd6cbe7a2b86f86..44be7a5a13911cabef05afe94e5d0e0f61088355 100644 --- a/net/ipv4/tcp_cubic.c +++ b/net/ipv4/tcp_cubic.c @@ -341,8 +341,6 @@ static void bictcp_cong_avoid(struct sock *sk, u32 ack, u32 acked) return; if (tcp_in_slow_start(tp)) { - if (hystart && after(ack, ca->end_seq)) - bictcp_hystart_reset(sk); acked = tcp_slow_start(tp, acked); if (!acked) return; @@ -384,6 +382,9 @@ static void hystart_update(struct sock *sk, u32 delay) if (ca->found & hystart_detect) return; + if (after(tp->snd_una, ca->end_seq)) + bictcp_hystart_reset(sk); + if (hystart_detect & HYSTART_ACK_TRAIN) { u32 now = bictcp_clock(); diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 4e76e71c92962e153a1354b7befdafe9143a6d91..ae8bc01bacbe052f5822251a87559a5db14f6e13 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -845,7 +845,7 @@ static int udp_send_skb(struct sk_buff *skb, struct flowi4 *fl4, kfree_skb(skb); return -EINVAL; } - if (skb->len > cork->gso_size * UDP_MAX_SEGMENTS) { + if (datalen > cork->gso_size * UDP_MAX_SEGMENTS) { kfree_skb(skb); return -EINVAL; } @@ -2946,7 +2946,7 @@ int udp4_seq_show(struct seq_file *seq, void *v) { seq_setwidth(seq, 127); if (v == SEQ_START_TOKEN) - seq_puts(seq, " sl local_address rem_address st tx_queue " + seq_puts(seq, " sl local_address rem_address st tx_queue " "rx_queue tr tm->when retrnsmt uid timeout " "inode ref pointer drops"); else { diff --git a/net/ipv6/fib6_rules.c b/net/ipv6/fib6_rules.c index f9e8fe3ff0c5b07f8e21ed76aa46a8da24181ff1..172726939652303b4ac38051e5c4325ea0950302 100644 --- a/net/ipv6/fib6_rules.c +++ b/net/ipv6/fib6_rules.c @@ -260,7 +260,7 @@ static int fib6_rule_action(struct fib_rule *rule, struct flowi *flp, return __fib6_rule_action(rule, flp, flags, arg); } -static bool fib6_rule_suppress(struct fib_rule *rule, struct fib_lookup_arg *arg) +static bool fib6_rule_suppress(struct fib_rule *rule, int flags, struct fib_lookup_arg *arg) { struct fib6_result *res = arg->result; struct rt6_info *rt = res->rt6; @@ -287,8 +287,7 @@ static bool fib6_rule_suppress(struct fib_rule *rule, struct fib_lookup_arg *arg return false; suppress_route: - if (!(arg->flags & FIB_LOOKUP_NOREF)) - ip6_rt_put(rt); + ip6_rt_put_flags(rt, flags); return true; } diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c index 9a6f66e0e9a27593ff65c293d3e94cfb11affab3..ef55489651f87a1f8d2de004b7bbeff143ae8499 100644 --- a/net/ipv6/ip6_fib.c +++ b/net/ipv6/ip6_fib.c @@ -110,7 +110,7 @@ void fib6_update_sernum(struct net *net, struct fib6_info *f6i) fn = rcu_dereference_protected(f6i->fib6_node, lockdep_is_held(&f6i->fib6_table->tb6_lock)); if (fn) - fn->fn_sernum = fib6_new_sernum(net); + WRITE_ONCE(fn->fn_sernum, fib6_new_sernum(net)); } /* @@ -535,12 +535,13 @@ static int fib6_dump_table(struct fib6_table *table, struct sk_buff *skb, spin_unlock_bh(&table->tb6_lock); if (res > 0) { cb->args[4] = 1; - cb->args[5] = w->root->fn_sernum; + cb->args[5] = READ_ONCE(w->root->fn_sernum); } } else { - if (cb->args[5] != w->root->fn_sernum) { + int sernum = READ_ONCE(w->root->fn_sernum); + if (cb->args[5] != sernum) { /* Begin at the root if the tree changed */ - cb->args[5] = w->root->fn_sernum; + cb->args[5] = sernum; w->state = FWS_INIT; w->node = w->root; w->skip = w->count; @@ -1276,7 +1277,7 @@ static void __fib6_update_sernum_upto_root(struct fib6_info *rt, /* paired with smp_rmb() in rt6_get_cookie_safe() */ smp_wmb(); while (fn) { - fn->fn_sernum = sernum; + WRITE_ONCE(fn->fn_sernum, sernum); fn = rcu_dereference_protected(fn->parent, lockdep_is_held(&rt->fib6_table->tb6_lock)); } @@ -2068,8 +2069,8 @@ static int fib6_clean_node(struct fib6_walker *w) }; if (c->sernum != FIB6_NO_SERNUM_CHANGE && - w->node->fn_sernum != c->sernum) - w->node->fn_sernum = c->sernum; + READ_ONCE(w->node->fn_sernum) != c->sernum) + WRITE_ONCE(w->node->fn_sernum, c->sernum); if (!c->func) { WARN_ON_ONCE(c->sernum == FIB6_NO_SERNUM_CHANGE); @@ -2433,7 +2434,7 @@ static void ipv6_route_seq_setup_walk(struct ipv6_route_iter *iter, iter->w.state = FWS_INIT; iter->w.node = iter->w.root; iter->w.args = iter; - iter->sernum = iter->w.root->fn_sernum; + iter->sernum = READ_ONCE(iter->w.root->fn_sernum); INIT_LIST_HEAD(&iter->w.lh); fib6_walker_link(net, &iter->w); } @@ -2461,8 +2462,10 @@ static struct fib6_table *ipv6_route_seq_next_table(struct fib6_table *tbl, static void ipv6_route_check_sernum(struct ipv6_route_iter *iter) { - if (iter->sernum != iter->w.root->fn_sernum) { - iter->sernum = iter->w.root->fn_sernum; + int sernum = READ_ONCE(iter->w.root->fn_sernum); + + if (iter->sernum != sernum) { + iter->sernum = sernum; iter->w.state = FWS_INIT; iter->w.node = iter->w.root; WARN_ON(iter->w.skip); diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c index 0cb8056d980036ddee5a2749e84ef120d25e21af..5dbc280d4385666b6c6f36dfa77dd477dabe6e7c 100644 --- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -743,6 +743,7 @@ static netdev_tx_t __gre6_xmit(struct sk_buff *skb, fl6->daddr = key->u.ipv6.dst; fl6->flowlabel = key->label; fl6->flowi6_uid = sock_net_uid(dev_net(dev), NULL); + fl6->fl6_gre_key = tunnel_id_to_key32(key->tun_id); dsfield = key->tos; flags = key->tun_flags & @@ -978,6 +979,7 @@ static netdev_tx_t ip6erspan_tunnel_xmit(struct sk_buff *skb, fl6.daddr = key->u.ipv6.dst; fl6.flowlabel = key->label; fl6.flowi6_uid = sock_net_uid(dev_net(dev), NULL); + fl6.fl6_gre_key = tunnel_id_to_key32(key->tun_id); dsfield = key->tos; if (!(tun_info->key.tun_flags & TUNNEL_ERSPAN_OPT)) @@ -1085,6 +1087,7 @@ static void ip6gre_tnl_link_config_common(struct ip6_tnl *t) fl6->flowi6_oif = p->link; fl6->flowlabel = 0; fl6->flowi6_proto = IPPROTO_GRE; + fl6->fl6_gre_key = t->parms.o_key; if (!(p->flags&IP6_TNL_F_USE_ORIG_TCLASS)) fl6->flowlabel |= IPV6_TCLASS_MASK & p->flowinfo; @@ -1530,7 +1533,7 @@ static void ip6gre_fb_tunnel_init(struct net_device *dev) static struct inet6_protocol ip6gre_protocol __read_mostly = { .handler = gre_rcv, .err_handler = ip6gre_err, - .flags = INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL, + .flags = INET6_PROTO_FINAL, }; static void ip6gre_destroy_tunnels(struct net *net, struct list_head *head) diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index fc913f09606db374850d1b7d635fd6ff089dd30b..d847aa32628dac77a6d0ab2ecdadfd0e67772bba 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -192,7 +192,7 @@ static int __ip6_finish_output(struct net *net, struct sock *sk, struct sk_buff #if defined(CONFIG_NETFILTER) && defined(CONFIG_XFRM) /* Policy lookup after SNAT yielded a new policy */ if (skb_dst(skb)->xfrm) { - IPCB(skb)->flags |= IPSKB_REROUTED; + IP6CB(skb)->flags |= IP6SKB_REROUTED; return dst_output(net, sk, skb); } #endif diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index fd0d1cee2d3f5493c71faaa1d33bfba6ab27dc6a..878a08c40fffddd7b7d745271d4fad520827aae2 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -1000,14 +1000,14 @@ int ip6_tnl_xmit_ctl(struct ip6_tnl *t, if (unlikely(!ipv6_chk_addr_and_flags(net, laddr, ldev, false, 0, IFA_F_TENTATIVE))) - pr_warn("%s xmit: Local address not yet configured!\n", - p->name); + pr_warn_ratelimited("%s xmit: Local address not yet configured!\n", + p->name); else if (!(p->flags & IP6_TNL_F_ALLOW_LOCAL_REMOTE) && !ipv6_addr_is_multicast(raddr) && unlikely(ipv6_chk_addr_and_flags(net, raddr, ldev, true, 0, IFA_F_TENTATIVE))) - pr_warn("%s xmit: Routing loop! Remote address found on this node!\n", - p->name); + pr_warn_ratelimited("%s xmit: Routing loop! Remote address found on this node!\n", + p->name); else ret = 1; rcu_read_unlock(); diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c index 12ab6605d9617e353e82794ed1448ee109c9ea5c..8b44d3b53844e6aaa478b3681940bb39517ea2a3 100644 --- a/net/ipv6/ip6_vti.c +++ b/net/ipv6/ip6_vti.c @@ -795,6 +795,8 @@ vti6_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) struct net *net = dev_net(dev); struct vti6_net *ip6n = net_generic(net, vti6_net_id); + memset(&p1, 0, sizeof(p1)); + switch (cmd) { case SIOCGETTUNNEL: if (dev == ip6n->fb_tnl_dev) { diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c index dd41313d7fa50b130c39e5e5677ce094d6bb46fe..aee1f6bc039ab8f0ba34485bb6eaf91333de6e3e 100644 --- a/net/ipv6/ip6mr.c +++ b/net/ipv6/ip6mr.c @@ -246,7 +246,9 @@ static int __net_init ip6mr_rules_init(struct net *net) return 0; err2: + rtnl_lock(); ip6mr_free_table(mrt); + rtnl_unlock(); err1: fib_rules_unregister(ops); return err; diff --git a/net/ipv6/route.c b/net/ipv6/route.c index ae9f4268429d7e1d7fc735332e3f9acefc774c0e..18920414e5c1ceb391d365e081258efde4f641fc 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -2697,7 +2697,7 @@ static void ip6_link_failure(struct sk_buff *skb) if (from) { fn = rcu_dereference(from->fib6_node); if (fn && (rt->rt6i_flags & RTF_DEFAULT)) - fn->fn_sernum = -1; + WRITE_ONCE(fn->fn_sernum, -1); } } rcu_read_unlock(); @@ -5050,6 +5050,19 @@ static void ip6_route_mpath_notify(struct fib6_info *rt, inet6_rt_notify(RTM_NEWROUTE, rt, info, nlflags); } +static int fib6_gw_from_attr(struct in6_addr *gw, struct nlattr *nla, + struct netlink_ext_ack *extack) +{ + if (nla_len(nla) < sizeof(*gw)) { + NL_SET_ERR_MSG(extack, "Invalid IPv6 address in RTA_GATEWAY"); + return -EINVAL; + } + + *gw = nla_get_in6_addr(nla); + + return 0; +} + static int ip6_route_multipath_add(struct fib6_config *cfg, struct netlink_ext_ack *extack) { @@ -5091,10 +5104,18 @@ static int ip6_route_multipath_add(struct fib6_config *cfg, nla = nla_find(attrs, attrlen, RTA_GATEWAY); if (nla) { - r_cfg.fc_gateway = nla_get_in6_addr(nla); + err = fib6_gw_from_attr(&r_cfg.fc_gateway, nla, + extack); + if (err) + goto cleanup; + r_cfg.fc_flags |= RTF_GATEWAY; } r_cfg.fc_encap = nla_find(attrs, attrlen, RTA_ENCAP); + + /* RTA_ENCAP_TYPE length checked in + * lwtunnel_valid_encap_type_attr + */ nla = nla_find(attrs, attrlen, RTA_ENCAP_TYPE); if (nla) r_cfg.fc_encap_type = nla_get_u16(nla); @@ -5246,7 +5267,13 @@ static int ip6_route_multipath_del(struct fib6_config *cfg, nla = nla_find(attrs, attrlen, RTA_GATEWAY); if (nla) { - nla_memcpy(&r_cfg.fc_gateway, nla, 16); + err = fib6_gw_from_attr(&r_cfg.fc_gateway, nla, + extack); + if (err) { + last_err = err; + goto next_rtnh; + } + r_cfg.fc_flags |= RTF_GATEWAY; } } @@ -5254,6 +5281,7 @@ static int ip6_route_multipath_del(struct fib6_config *cfg, if (err) last_err = err; +next_rtnh: rtnh = rtnh_next(rtnh, &remaining); } diff --git a/net/ipv6/seg6_iptunnel.c b/net/ipv6/seg6_iptunnel.c index ab7f124ff5d7e8a69e84fae0c72c581a716266f5..6954db1fd26e731f484036e00b3b1b1f75843c03 100644 --- a/net/ipv6/seg6_iptunnel.c +++ b/net/ipv6/seg6_iptunnel.c @@ -143,6 +143,14 @@ int seg6_do_srh_encap(struct sk_buff *skb, struct ipv6_sr_hdr *osrh, int proto) hdr->hop_limit = ip6_dst_hoplimit(skb_dst(skb)); memset(IP6CB(skb), 0, sizeof(*IP6CB(skb))); + + /* the control block has been erased, so we have to set the + * iif once again. + * We read the receiving interface index directly from the + * skb->skb_iif as it is done in the IPv4 receiving path (i.e.: + * ip_rcv_core(...)). + */ + IP6CB(skb)->iif = skb->skb_iif; } hdr->nexthdr = NEXTHDR_ROUTING; diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index 7f9cae4c49e7ec42ad54a90405791b5ab698fa04..16e75a996b7493894ff2ce4a07c91afb288ed271 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -1876,7 +1876,6 @@ static int __net_init sit_init_net(struct net *net) return 0; err_reg_dev: - ipip6_dev_free(sitn->fb_tunnel_dev); free_netdev(sitn->fb_tunnel_dev); err_alloc_dev: return err; diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index 818fc997562564252cf2d82c07b6003cec4270ff..a71bfa5b027701bd160f1f38ca4bdf87c6285f57 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -1132,7 +1132,7 @@ static int udp_v6_send_skb(struct sk_buff *skb, struct flowi6 *fl6, kfree_skb(skb); return -EINVAL; } - if (skb->len > cork->gso_size * UDP_MAX_SEGMENTS) { + if (datalen > cork->gso_size * UDP_MAX_SEGMENTS) { kfree_skb(skb); return -EINVAL; } diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c index 4d1c335e06e57edcbbb49ca021ea717844cc281a..49ec9bfb6c8e676e5bd2d727066d09b4cb467599 100644 --- a/net/mac80211/agg-rx.c +++ b/net/mac80211/agg-rx.c @@ -9,7 +9,7 @@ * Copyright 2007, Michael Wu * Copyright 2007-2010, Intel Corporation * Copyright(c) 2015-2017 Intel Deutschland GmbH - * Copyright (C) 2018 Intel Corporation + * Copyright (C) 2018-2021 Intel Corporation */ /** @@ -191,7 +191,8 @@ static void ieee80211_add_addbaext(struct ieee80211_sub_if_data *sdata, sband = ieee80211_get_sband(sdata); if (!sband) return; - he_cap = ieee80211_get_he_iftype_cap(sband, sdata->vif.type); + he_cap = ieee80211_get_he_iftype_cap(sband, + ieee80211_vif_type_p2p(&sdata->vif)); if (!he_cap) return; @@ -292,7 +293,8 @@ void ___ieee80211_start_rx_ba_session(struct sta_info *sta, goto end; } - if (!sta->sta.ht_cap.ht_supported) { + if (!sta->sta.ht_cap.ht_supported && + sta->sdata->vif.bss_conf.chandef.chan->band != NL80211_BAND_6GHZ) { ht_dbg(sta->sdata, "STA %pM erroneously requests BA session on tid %d w/o QoS\n", sta->sta.addr, tid); diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c index b11883d268759a4f2eb138b7c3aa2027fc833b21..f140c2b94b2c671691d641514d8dd4a97bf202f9 100644 --- a/net/mac80211/agg-tx.c +++ b/net/mac80211/agg-tx.c @@ -9,7 +9,7 @@ * Copyright 2007, Michael Wu * Copyright 2007-2010, Intel Corporation * Copyright(c) 2015-2017 Intel Deutschland GmbH - * Copyright (C) 2018 - 2019 Intel Corporation + * Copyright (C) 2018 - 2021 Intel Corporation */ #include @@ -106,7 +106,7 @@ static void ieee80211_send_addba_request(struct ieee80211_sub_if_data *sdata, mgmt->u.action.u.addba_req.start_seq_num = cpu_to_le16(start_seq_num << 4); - ieee80211_tx_skb(sdata, skb); + ieee80211_tx_skb_tid(sdata, skb, tid); } void ieee80211_send_bar(struct ieee80211_vif *vif, u8 *ra, u16 tid, u16 ssn) @@ -213,6 +213,8 @@ ieee80211_agg_start_txq(struct sta_info *sta, int tid, bool enable) struct ieee80211_txq *txq = sta->sta.txq[tid]; struct txq_info *txqi; + lockdep_assert_held(&sta->ampdu_mlme.mtx); + if (!txq) return; @@ -290,7 +292,6 @@ static void ieee80211_remove_tid_tx(struct sta_info *sta, int tid) ieee80211_assign_tid_tx(sta, tid, NULL); ieee80211_agg_splice_finish(sta->sdata, tid); - ieee80211_agg_start_txq(sta, tid, false); kfree_rcu(tid_tx, rcu_head); } @@ -448,6 +449,42 @@ static void sta_addba_resp_timer_expired(struct timer_list *t) ieee80211_stop_tx_ba_session(&sta->sta, tid); } +static void ieee80211_send_addba_with_timeout(struct sta_info *sta, + struct tid_ampdu_tx *tid_tx) +{ + struct ieee80211_sub_if_data *sdata = sta->sdata; + struct ieee80211_local *local = sta->local; + u8 tid = tid_tx->tid; + u16 buf_size; + + /* activate the timer for the recipient's addBA response */ + mod_timer(&tid_tx->addba_resp_timer, jiffies + ADDBA_RESP_INTERVAL); + ht_dbg(sdata, "activated addBA response timer on %pM tid %d\n", + sta->sta.addr, tid); + + spin_lock_bh(&sta->lock); + sta->ampdu_mlme.last_addba_req_time[tid] = jiffies; + sta->ampdu_mlme.addba_req_num[tid]++; + spin_unlock_bh(&sta->lock); + + if (sta->sta.he_cap.has_he) { + buf_size = local->hw.max_tx_aggregation_subframes; + } else { + /* + * We really should use what the driver told us it will + * transmit as the maximum, but certain APs (e.g. the + * LinkSys WRT120N with FW v1.0.07 build 002 Jun 18 2012) + * will crash when we use a lower number. + */ + buf_size = IEEE80211_MAX_AMPDU_BUF_HT; + } + + /* send AddBA request */ + ieee80211_send_addba_request(sdata, sta->sta.addr, tid, + tid_tx->dialog_token, tid_tx->ssn, + buf_size, tid_tx->timeout); +} + void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid) { struct tid_ampdu_tx *tid_tx; @@ -462,7 +499,6 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid) .timeout = 0, }; int ret; - u16 buf_size; tid_tx = rcu_dereference_protected_tid_tx(sta, tid); @@ -485,6 +521,7 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid) params.ssn = sta->tid_seq[tid] >> 4; ret = drv_ampdu_action(local, sdata, ¶ms); + tid_tx->ssn = params.ssn; if (ret) { ht_dbg(sdata, "BA request denied - HW unavailable for %pM tid %d\n", @@ -501,32 +538,7 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid) return; } - /* activate the timer for the recipient's addBA response */ - mod_timer(&tid_tx->addba_resp_timer, jiffies + ADDBA_RESP_INTERVAL); - ht_dbg(sdata, "activated addBA response timer on %pM tid %d\n", - sta->sta.addr, tid); - - spin_lock_bh(&sta->lock); - sta->ampdu_mlme.last_addba_req_time[tid] = jiffies; - sta->ampdu_mlme.addba_req_num[tid]++; - spin_unlock_bh(&sta->lock); - - if (sta->sta.he_cap.has_he) { - buf_size = local->hw.max_tx_aggregation_subframes; - } else { - /* - * We really should use what the driver told us it will - * transmit as the maximum, but certain APs (e.g. the - * LinkSys WRT120N with FW v1.0.07 build 002 Jun 18 2012) - * will crash when we use a lower number. - */ - buf_size = IEEE80211_MAX_AMPDU_BUF_HT; - } - - /* send AddBA request */ - ieee80211_send_addba_request(sdata, sta->sta.addr, tid, - tid_tx->dialog_token, params.ssn, - buf_size, tid_tx->timeout); + ieee80211_send_addba_with_timeout(sta, tid_tx); } /* @@ -571,7 +583,8 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid, "Requested to start BA session on reserved tid=%d", tid)) return -EINVAL; - if (!pubsta->ht_cap.ht_supported) + if (!pubsta->ht_cap.ht_supported && + sta->sdata->vif.bss_conf.chandef.chan->band != NL80211_BAND_6GHZ) return -EINVAL; if (WARN_ON_ONCE(!local->ops->ampdu_action)) @@ -860,6 +873,7 @@ void ieee80211_stop_tx_ba_cb(struct sta_info *sta, int tid, { struct ieee80211_sub_if_data *sdata = sta->sdata; bool send_delba = false; + bool start_txq = false; ht_dbg(sdata, "Stopping Tx BA session for %pM tid %d\n", sta->sta.addr, tid); @@ -877,10 +891,14 @@ void ieee80211_stop_tx_ba_cb(struct sta_info *sta, int tid, send_delba = true; ieee80211_remove_tid_tx(sta, tid); + start_txq = true; unlock_sta: spin_unlock_bh(&sta->lock); + if (start_txq) + ieee80211_agg_start_txq(sta, tid, false); + if (send_delba) ieee80211_send_delba(sdata, sta->sta.addr, tid, WLAN_BACK_INITIATOR, WLAN_REASON_QSTA_NOT_USE); diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h index 2c9b3eb8b6525e7591837818d00d2dedf6f2412a..f4c7e0af896b1df3c541cc7f0c5fff3fd1579c00 100644 --- a/net/mac80211/driver-ops.h +++ b/net/mac80211/driver-ops.h @@ -1202,8 +1202,11 @@ static inline void drv_wake_tx_queue(struct ieee80211_local *local, { struct ieee80211_sub_if_data *sdata = vif_to_sdata(txq->txq.vif); - if (local->in_reconfig) + /* In reconfig don't transmit now, but mark for waking later */ + if (local->in_reconfig) { + set_bit(IEEE80211_TXQ_STOP_NETIF_TX, &txq->flags); return; + } if (!check_sdata_in_driver(sdata)) return; diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 94f1a8729c522f8a291c6fffa5fb1b2a10d1001a..d222af5b573bddaad612a0de04fb88e736852da1 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -2421,11 +2421,18 @@ static void ieee80211_sta_tx_wmm_ac_notify(struct ieee80211_sub_if_data *sdata, u16 tx_time) { struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; - u16 tid = ieee80211_get_tid(hdr); - int ac = ieee80211_ac_from_tid(tid); - struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac]; + u16 tid; + int ac; + struct ieee80211_sta_tx_tspec *tx_tspec; unsigned long now = jiffies; + if (!ieee80211_is_data_qos(hdr->frame_control)) + return; + + tid = ieee80211_get_tid(hdr); + ac = ieee80211_ac_from_tid(tid); + tx_tspec = &ifmgd->tx_tspec[ac]; + if (likely(!tx_tspec->admitted_time)) return; @@ -4949,7 +4956,7 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata, */ if (new_sta) { u32 rates = 0, basic_rates = 0; - bool have_higher_than_11mbit; + bool have_higher_than_11mbit = false; int min_rate = INT_MAX, min_rate_index = -1; const struct cfg80211_bss_ies *ies; int shift = ieee80211_vif_get_shift(&sdata->vif); diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index af9aae47f346893406c2892f241dbdb45183d7ad..d6e705d8f4e67cc2bb8914c4939e3f9b69812804 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -1918,7 +1918,8 @@ ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx) int keyid = rx->sta->ptk_idx; sta_ptk = rcu_dereference(rx->sta->ptk[keyid]); - if (ieee80211_has_protected(fc)) { + if (ieee80211_has_protected(fc) && + !(status->flag & RX_FLAG_IV_STRIPPED)) { cs = rx->sta->cipher_scheme; keyid = ieee80211_get_keyid(rx->skb, cs); @@ -4692,7 +4693,7 @@ void ieee80211_rx_napi(struct ieee80211_hw *hw, struct ieee80211_sta *pubsta, goto drop; break; case RX_ENC_VHT: - if (WARN_ONCE(status->rate_idx > 9 || + if (WARN_ONCE(status->rate_idx > 11 || !status->nss || status->nss > 8, "Rate marked as a VHT rate but data is invalid: MCS: %d, NSS: %d\n", diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h index 2eb73be9b9865e9a4b62dc1e77d46b9dc0ba6e0e..be0df78d4a799a6c72c3c59c9916ac165590d7b2 100644 --- a/net/mac80211/sta_info.h +++ b/net/mac80211/sta_info.h @@ -180,6 +180,7 @@ struct tid_ampdu_tx { u8 stop_initiator; bool tx_stop; u16 buf_size; + u16 ssn; u16 failed_bar_ssn; bool bar_pending; diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 9fdee728f29b15a12100f9deb49b5c9232a45dbc..eb60a9304b11af555e11b8b0b2dbd8ab337161dc 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -1227,6 +1227,8 @@ _ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, elems->max_idle_period_ie = (void *)pos; break; case WLAN_EID_EXTENSION: + if (!elen) + break; if (pos[0] == WLAN_EID_EXT_HE_MU_EDCA && elen >= (sizeof(*elems->mu_edca_param_set) + 1)) { elems->mu_edca_param_set = (void *)&pos[1]; diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c index 4701edffb1f7ddd44d7cae08114cfed2094a85f7..d5e3656fc67ca0b50f430e4629ce07d54d28a1e4 100644 --- a/net/mpls/af_mpls.c +++ b/net/mpls/af_mpls.c @@ -1491,22 +1491,52 @@ static void mpls_dev_destroy_rcu(struct rcu_head *head) kfree(mdev); } -static void mpls_ifdown(struct net_device *dev, int event) +static int mpls_ifdown(struct net_device *dev, int event) { struct mpls_route __rcu **platform_label; struct net *net = dev_net(dev); - u8 alive, deleted; unsigned index; platform_label = rtnl_dereference(net->mpls.platform_label); for (index = 0; index < net->mpls.platform_labels; index++) { struct mpls_route *rt = rtnl_dereference(platform_label[index]); + bool nh_del = false; + u8 alive = 0; if (!rt) continue; - alive = 0; - deleted = 0; + if (event == NETDEV_UNREGISTER) { + u8 deleted = 0; + + for_nexthops(rt) { + struct net_device *nh_dev = + rtnl_dereference(nh->nh_dev); + + if (!nh_dev || nh_dev == dev) + deleted++; + if (nh_dev == dev) + nh_del = true; + } endfor_nexthops(rt); + + /* if there are no more nexthops, delete the route */ + if (deleted == rt->rt_nhn) { + mpls_route_update(net, index, NULL, NULL); + continue; + } + + if (nh_del) { + size_t size = sizeof(*rt) + rt->rt_nhn * + rt->rt_nh_size; + struct mpls_route *orig = rt; + + rt = kmalloc(size, GFP_KERNEL); + if (!rt) + return -ENOMEM; + memcpy(rt, orig, size); + } + } + change_nexthops(rt) { unsigned int nh_flags = nh->nh_flags; @@ -1530,16 +1560,15 @@ static void mpls_ifdown(struct net_device *dev, int event) next: if (!(nh_flags & (RTNH_F_DEAD | RTNH_F_LINKDOWN))) alive++; - if (!rtnl_dereference(nh->nh_dev)) - deleted++; } endfor_nexthops(rt); WRITE_ONCE(rt->rt_nhn_alive, alive); - /* if there are no more nexthops, delete the route */ - if (event == NETDEV_UNREGISTER && deleted == rt->rt_nhn) - mpls_route_update(net, index, NULL, NULL); + if (nh_del) + mpls_route_update(net, index, rt, NULL); } + + return 0; } static void mpls_ifup(struct net_device *dev, unsigned int flags) @@ -1607,8 +1636,12 @@ static int mpls_dev_notify(struct notifier_block *this, unsigned long event, return NOTIFY_OK; switch (event) { + int err; + case NETDEV_DOWN: - mpls_ifdown(dev, event); + err = mpls_ifdown(dev, event); + if (err) + return notifier_from_errno(err); break; case NETDEV_UP: flags = dev_get_flags(dev); @@ -1619,13 +1652,18 @@ static int mpls_dev_notify(struct notifier_block *this, unsigned long event, break; case NETDEV_CHANGE: flags = dev_get_flags(dev); - if (flags & (IFF_RUNNING | IFF_LOWER_UP)) + if (flags & (IFF_RUNNING | IFF_LOWER_UP)) { mpls_ifup(dev, RTNH_F_DEAD | RTNH_F_LINKDOWN); - else - mpls_ifdown(dev, event); + } else { + err = mpls_ifdown(dev, event); + if (err) + return notifier_from_errno(err); + } break; case NETDEV_UNREGISTER: - mpls_ifdown(dev, event); + err = mpls_ifdown(dev, event); + if (err) + return notifier_from_errno(err); mdev = mpls_dev_get(dev); if (mdev) { mpls_dev_sysctl_unregister(dev, mdev); @@ -1636,8 +1674,6 @@ static int mpls_dev_notify(struct notifier_block *this, unsigned long event, case NETDEV_CHANGENAME: mdev = mpls_dev_get(dev); if (mdev) { - int err; - mpls_dev_sysctl_unregister(dev, mdev); err = mpls_dev_sysctl_register(dev, mdev); if (err) diff --git a/net/ncsi/ncsi-cmd.c b/net/ncsi/ncsi-cmd.c index 0187e65176c05c1ac93a18d77a12323e6a692576..114ef47db76d37091fe268d126a74cb4bcc8b00e 100644 --- a/net/ncsi/ncsi-cmd.c +++ b/net/ncsi/ncsi-cmd.c @@ -18,6 +18,8 @@ #include "internal.h" #include "ncsi-pkt.h" +static const int padding_bytes = 26; + u32 ncsi_calculate_checksum(unsigned char *data, int len) { u32 checksum = 0; @@ -213,12 +215,17 @@ static int ncsi_cmd_handler_oem(struct sk_buff *skb, { struct ncsi_cmd_oem_pkt *cmd; unsigned int len; + int payload; + /* NC-SI spec DSP_0222_1.2.0, section 8.2.2.2 + * requires payload to be padded with 0 to + * 32-bit boundary before the checksum field. + * Ensure the padding bytes are accounted for in + * skb allocation + */ + payload = ALIGN(nca->payload, 4); len = sizeof(struct ncsi_cmd_pkt_hdr) + 4; - if (nca->payload < 26) - len += 26; - else - len += nca->payload; + len += max(payload, padding_bytes); cmd = skb_put_zero(skb, len); memcpy(&cmd->mfr_id, nca->data, nca->payload); @@ -272,6 +279,7 @@ static struct ncsi_request *ncsi_alloc_command(struct ncsi_cmd_arg *nca) struct net_device *dev = nd->dev; int hlen = LL_RESERVED_SPACE(dev); int tlen = dev->needed_tailroom; + int payload; int len = hlen + tlen; struct sk_buff *skb; struct ncsi_request *nr; @@ -281,14 +289,14 @@ static struct ncsi_request *ncsi_alloc_command(struct ncsi_cmd_arg *nca) return NULL; /* NCSI command packet has 16-bytes header, payload, 4 bytes checksum. + * Payload needs padding so that the checksum field following payload is + * aligned to 32-bit boundary. * The packet needs padding if its payload is less than 26 bytes to * meet 64 bytes minimal ethernet frame length. */ len += sizeof(struct ncsi_cmd_pkt_hdr) + 4; - if (nca->payload < 26) - len += 26; - else - len += nca->payload; + payload = ALIGN(nca->payload, 4); + len += max(payload, padding_bytes); /* Allocate skb */ skb = alloc_skb(len, GFP_ATOMIC); diff --git a/net/ncsi/ncsi-netlink.c b/net/ncsi/ncsi-netlink.c index a33ea45dec0541c52eb55285f4b08c21ab79c040..27700887c321789bc88fd5f93fecdf963898ba8d 100644 --- a/net/ncsi/ncsi-netlink.c +++ b/net/ncsi/ncsi-netlink.c @@ -112,7 +112,11 @@ static int ncsi_write_package_info(struct sk_buff *skb, pnest = nla_nest_start_noflag(skb, NCSI_PKG_ATTR); if (!pnest) return -ENOMEM; - nla_put_u32(skb, NCSI_PKG_ATTR_ID, np->id); + rc = nla_put_u32(skb, NCSI_PKG_ATTR_ID, np->id); + if (rc) { + nla_nest_cancel(skb, pnest); + return rc; + } if ((0x1 << np->id) == ndp->package_whitelist) nla_put_flag(skb, NCSI_PKG_ATTR_FORCED); cnest = nla_nest_start_noflag(skb, NCSI_PKG_ATTR_CHANNEL_LIST); diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c index 89aa1fc334b197a2b76e720811734378b0c96ca5..ccd6af14407451ed0023886c3d32b2e3ab18d0da 100644 --- a/net/netfilter/ipvs/ip_vs_core.c +++ b/net/netfilter/ipvs/ip_vs_core.c @@ -1982,7 +1982,6 @@ ip_vs_in(struct netns_ipvs *ipvs, unsigned int hooknum, struct sk_buff *skb, int struct ip_vs_proto_data *pd; struct ip_vs_conn *cp; int ret, pkts; - int conn_reuse_mode; struct sock *sk; /* Already marked as IPVS request or reply? */ @@ -2059,15 +2058,16 @@ ip_vs_in(struct netns_ipvs *ipvs, unsigned int hooknum, struct sk_buff *skb, int cp = INDIRECT_CALL_1(pp->conn_in_get, ip_vs_conn_in_get_proto, ipvs, af, skb, &iph); - conn_reuse_mode = sysctl_conn_reuse_mode(ipvs); - if (conn_reuse_mode && !iph.fragoffs && is_new_conn(skb, &iph) && cp) { + if (!iph.fragoffs && is_new_conn(skb, &iph) && cp) { + int conn_reuse_mode = sysctl_conn_reuse_mode(ipvs); bool old_ct = false, resched = false; if (unlikely(sysctl_expire_nodest_conn(ipvs)) && cp->dest && unlikely(!atomic_read(&cp->dest->weight))) { resched = true; old_ct = ip_vs_conn_uses_old_conntrack(cp, skb); - } else if (is_new_conn_expected(cp, conn_reuse_mode)) { + } else if (conn_reuse_mode && + is_new_conn_expected(cp, conn_reuse_mode)) { old_ct = ip_vs_conn_uses_old_conntrack(cp, skb); if (!atomic_read(&cp->n_control)) { resched = true; diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index 072a4f79db6f74749f99f139a3853174519fccd7..5e51097d8fd438f9c648a3a7c7cfa805658564ad 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -1713,15 +1713,17 @@ nf_conntrack_in(struct sk_buff *skb, const struct nf_hook_state *state) pr_debug("nf_conntrack_in: Can't track with proto module\n"); nf_conntrack_put(&ct->ct_general); skb->_nfct = 0; - NF_CT_STAT_INC_ATOMIC(state->net, invalid); - if (ret == -NF_DROP) - NF_CT_STAT_INC_ATOMIC(state->net, drop); /* Special case: TCP tracker reports an attempt to reopen a * closed/aborted connection. We have to go back and create a * fresh conntrack. */ if (ret == -NF_REPEAT) goto repeat; + + NF_CT_STAT_INC_ATOMIC(state->net, invalid); + if (ret == -NF_DROP) + NF_CT_STAT_INC_ATOMIC(state->net, drop); + ret = -ret; goto out; } diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c index 7ca2ca4bba05591119d04a61e772d9e62783c43b..b36af4741ad3c3cc5cf5ccece81f194e0487d053 100644 --- a/net/netfilter/nfnetlink_log.c +++ b/net/netfilter/nfnetlink_log.c @@ -557,7 +557,8 @@ __build_packet_message(struct nfnl_log_net *log, goto nla_put_failure; if (indev && skb->dev && - skb->mac_header != skb->network_header) { + skb_mac_header_was_set(skb) && + skb_mac_header_len(skb) != 0) { struct nfulnl_msg_packet_hw phw; int len; diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c index a8cb562da3feaf32218697344bbc09884ec8976e..ca21f8f4a47c1042bbb983d70760cbde0d84c9b7 100644 --- a/net/netfilter/nfnetlink_queue.c +++ b/net/netfilter/nfnetlink_queue.c @@ -562,7 +562,8 @@ nfqnl_build_packet_message(struct net *net, struct nfqnl_instance *queue, goto nla_put_failure; if (indev && entskb->dev && - skb_mac_header_was_set(entskb)) { + skb_mac_header_was_set(entskb) && + skb_mac_header_len(entskb) != 0) { struct nfqnl_msg_packet_hw phw; int len; diff --git a/net/netfilter/nft_payload.c b/net/netfilter/nft_payload.c index 921f8f45b17f417a574c4ddea167bc270c05c7df..cf0512fc648e77e469a01d42bf9f6cbed49cc6d1 100644 --- a/net/netfilter/nft_payload.c +++ b/net/netfilter/nft_payload.c @@ -420,6 +420,9 @@ static int nft_payload_l4csum_offset(const struct nft_pktinfo *pkt, struct sk_buff *skb, unsigned int *l4csum_offset) { + if (pkt->xt.fragoff) + return -1; + switch (pkt->tprot) { case IPPROTO_TCP: *l4csum_offset = offsetof(struct tcphdr, check); diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index cb35680db9b29cdc619a135617f4307bd00dc04e..891e029ad0f89377b41febce6137d4d417a9d29b 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -1862,6 +1862,11 @@ static int netlink_sendmsg(struct socket *sock, struct msghdr *msg, size_t len) if (msg->msg_flags&MSG_OOB) return -EOPNOTSUPP; + if (len == 0) { + pr_warn_once("Zero length message leads to an empty skb\n"); + return -ENODATA; + } + err = scm_send(sock, msg, &scm, true); if (err < 0) return err; diff --git a/net/nfc/core.c b/net/nfc/core.c index c5f9c3ee82f8eeafc2d1098213320919a7cf7714..e752692d3680232008b48831efc4d5c53ca29f5d 100644 --- a/net/nfc/core.c +++ b/net/nfc/core.c @@ -94,13 +94,13 @@ int nfc_dev_up(struct nfc_dev *dev) device_lock(&dev->dev); - if (dev->rfkill && rfkill_blocked(dev->rfkill)) { - rc = -ERFKILL; + if (!device_is_registered(&dev->dev)) { + rc = -ENODEV; goto error; } - if (!device_is_registered(&dev->dev)) { - rc = -ENODEV; + if (dev->rfkill && rfkill_blocked(dev->rfkill)) { + rc = -ERFKILL; goto error; } @@ -1118,11 +1118,7 @@ int nfc_register_device(struct nfc_dev *dev) if (rc) pr_err("Could not register llcp device\n"); - rc = nfc_genl_device_added(dev); - if (rc) - pr_debug("The userspace won't be notified that the device %s was added\n", - dev_name(&dev->dev)); - + device_lock(&dev->dev); dev->rfkill = rfkill_alloc(dev_name(&dev->dev), &dev->dev, RFKILL_TYPE_NFC, &nfc_rfkill_ops, dev); if (dev->rfkill) { @@ -1131,6 +1127,12 @@ int nfc_register_device(struct nfc_dev *dev) dev->rfkill = NULL; } } + device_unlock(&dev->dev); + + rc = nfc_genl_device_added(dev); + if (rc) + pr_debug("The userspace won't be notified that the device %s was added\n", + dev_name(&dev->dev)); return 0; } @@ -1147,10 +1149,17 @@ void nfc_unregister_device(struct nfc_dev *dev) pr_debug("dev_name=%s\n", dev_name(&dev->dev)); + rc = nfc_genl_device_removed(dev); + if (rc) + pr_debug("The userspace won't be notified that the device %s " + "was removed\n", dev_name(&dev->dev)); + + device_lock(&dev->dev); if (dev->rfkill) { rfkill_unregister(dev->rfkill); rfkill_destroy(dev->rfkill); } + device_unlock(&dev->dev); if (dev->ops->check_presence) { device_lock(&dev->dev); @@ -1160,11 +1169,6 @@ void nfc_unregister_device(struct nfc_dev *dev) cancel_work_sync(&dev->check_pres_work); } - rc = nfc_genl_device_removed(dev); - if (rc) - pr_debug("The userspace won't be notified that the device %s " - "was removed\n", dev_name(&dev->dev)); - nfc_llcp_unregister_device(dev); mutex_lock(&nfc_devlist_mutex); diff --git a/net/nfc/llcp_sock.c b/net/nfc/llcp_sock.c index a7e861eede2d98770354ec8fe9644029d446e287..bd2174699af974ebf65a0be41adf86847b98cb0e 100644 --- a/net/nfc/llcp_sock.c +++ b/net/nfc/llcp_sock.c @@ -789,6 +789,11 @@ static int llcp_sock_sendmsg(struct socket *sock, struct msghdr *msg, lock_sock(sk); + if (!llcp_sock->local) { + release_sock(sk); + return -ENODEV; + } + if (sk->sk_type == SOCK_DGRAM) { DECLARE_SOCKADDR(struct sockaddr_nfc_llcp *, addr, msg->msg_name); diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c index 6a34a0a786eaad128533458cebc22699cbecf732..b8ecb002e6238f9363d32c28bb350d110173bb2d 100644 --- a/net/nfc/nci/core.c +++ b/net/nfc/nci/core.c @@ -144,12 +144,15 @@ inline int nci_request(struct nci_dev *ndev, { int rc; - if (!test_bit(NCI_UP, &ndev->flags)) - return -ENETDOWN; - /* Serialize all requests */ mutex_lock(&ndev->req_lock); - rc = __nci_request(ndev, req, opt, timeout); + /* check the state after obtaing the lock against any races + * from nci_close_device when the device gets removed. + */ + if (test_bit(NCI_UP, &ndev->flags)) + rc = __nci_request(ndev, req, opt, timeout); + else + rc = -ENETDOWN; mutex_unlock(&ndev->req_lock); return rc; @@ -470,6 +473,11 @@ static int nci_open_device(struct nci_dev *ndev) mutex_lock(&ndev->req_lock); + if (test_bit(NCI_UNREG, &ndev->flags)) { + rc = -ENODEV; + goto done; + } + if (test_bit(NCI_UP, &ndev->flags)) { rc = -EALREADY; goto done; @@ -533,6 +541,10 @@ static int nci_open_device(struct nci_dev *ndev) static int nci_close_device(struct nci_dev *ndev) { nci_req_cancel(ndev, ENODEV); + + /* This mutex needs to be held as a barrier for + * caller nci_unregister_device + */ mutex_lock(&ndev->req_lock); if (!test_and_clear_bit(NCI_UP, &ndev->flags)) { @@ -570,8 +582,8 @@ static int nci_close_device(struct nci_dev *ndev) /* Flush cmd wq */ flush_workqueue(ndev->cmd_wq); - /* Clear flags */ - ndev->flags = 0; + /* Clear flags except NCI_UNREG */ + ndev->flags &= BIT(NCI_UNREG); mutex_unlock(&ndev->req_lock); @@ -1253,6 +1265,12 @@ void nci_unregister_device(struct nci_dev *ndev) { struct nci_conn_info *conn_info, *n; + /* This set_bit is not protected with specialized barrier, + * However, it is fine because the mutex_lock(&ndev->req_lock); + * in nci_close_device() will help to emit one. + */ + set_bit(NCI_UNREG, &ndev->flags); + nci_close_device(ndev); destroy_workqueue(ndev->cmd_wq); diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c index 99b06a16b8086c5906ea3429e73dad69dec549c8..4d90cbdc083b5eadf221b9997d71522abd7cc6e6 100644 --- a/net/nfc/netlink.c +++ b/net/nfc/netlink.c @@ -644,8 +644,10 @@ static int nfc_genl_dump_devices_done(struct netlink_callback *cb) { struct class_dev_iter *iter = (struct class_dev_iter *) cb->args[0]; - nfc_device_iter_exit(iter); - kfree(iter); + if (iter) { + nfc_device_iter_exit(iter); + kfree(iter); + } return 0; } @@ -1400,8 +1402,10 @@ static int nfc_genl_dump_ses_done(struct netlink_callback *cb) { struct class_dev_iter *iter = (struct class_dev_iter *) cb->args[0]; - nfc_device_iter_exit(iter); - kfree(iter); + if (iter) { + nfc_device_iter_exit(iter); + kfree(iter); + } return 0; } diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 0ffbf3d17911a25d33bff1786832341fa2e229ca..852bbbbe341ff5209be87519a8f47857e6f11c52 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -1728,7 +1728,10 @@ static int fanout_add(struct sock *sk, u16 id, u16 type_flags) err = -ENOSPC; if (refcount_read(&match->sk_ref) < PACKET_FANOUT_MAX) { __dev_remove_pack(&po->prot_hook); - po->fanout = match; + + /* Paired with packet_setsockopt(PACKET_FANOUT_DATA) */ + WRITE_ONCE(po->fanout, match); + po->rollover = rollover; rollover = NULL; refcount_set(&match->sk_ref, refcount_read(&match->sk_ref) + 1); @@ -3874,7 +3877,8 @@ packet_setsockopt(struct socket *sock, int level, int optname, char __user *optv } case PACKET_FANOUT_DATA: { - if (!po->fanout) + /* Paired with the WRITE_ONCE() in fanout_add() */ + if (!READ_ONCE(po->fanout)) return -EINVAL; return fanout_set_data(po, optval, optlen); @@ -4453,9 +4457,10 @@ static int packet_set_ring(struct sock *sk, union tpacket_req_u *req_u, } out_free_pg_vec: - bitmap_free(rx_owner_map); - if (pg_vec) + if (pg_vec) { + bitmap_free(rx_owner_map); free_pg_vec(pg_vec, order, req->tp_block_nr); + } out: return err; } diff --git a/net/phonet/pep.c b/net/phonet/pep.c index 4577e43cb777826c0740b144afe40e1059c35aa5..0c5d0f7b8b4bbd2fa02d23122c68b79d7a956d58 100644 --- a/net/phonet/pep.c +++ b/net/phonet/pep.c @@ -868,6 +868,7 @@ static struct sock *pep_sock_accept(struct sock *sk, int flags, int *errp, err = pep_accept_conn(newsk, skb); if (err) { + __sock_put(sk); sock_put(newsk); newsk = NULL; goto drop; @@ -946,6 +947,8 @@ static int pep_ioctl(struct sock *sk, int cmd, unsigned long arg) ret = -EBUSY; else if (sk->sk_state == TCP_ESTABLISHED) ret = -EISCONN; + else if (!pn->pn_sk.sobject) + ret = -EADDRNOTAVAIL; else ret = pep_sock_enable(sk, NULL, 0); release_sock(sk); diff --git a/net/rds/connection.c b/net/rds/connection.c index c85bd6340eaa7d69d6a0735bd26415fd8a368084..92ff40e7a66cfb052420acee0e54392a8caf1104 100644 --- a/net/rds/connection.c +++ b/net/rds/connection.c @@ -253,6 +253,7 @@ static struct rds_connection *__rds_conn_create(struct net *net, * should end up here, but if it * does, reset/destroy the connection. */ + kfree(conn->c_path); kmem_cache_free(rds_conn_slab, conn); conn = ERR_PTR(-EOPNOTSUPP); goto out; diff --git a/net/rds/tcp.c b/net/rds/tcp.c index 1402e9166a7eb6e527bfc6c7557163a8949fe4cf..d55d81b01d3722f8702aa587c02c5156c894a6fa 100644 --- a/net/rds/tcp.c +++ b/net/rds/tcp.c @@ -510,7 +510,7 @@ void rds_tcp_tune(struct socket *sock) sk->sk_userlocks |= SOCK_SNDBUF_LOCK; } if (rtn->rcvbuf_size > 0) { - sk->sk_sndbuf = rtn->rcvbuf_size; + sk->sk_rcvbuf = rtn->rcvbuf_size; sk->sk_userlocks |= SOCK_RCVBUF_LOCK; } release_sock(sk); diff --git a/net/rxrpc/call_event.c b/net/rxrpc/call_event.c index 9ff85ee8337cdac304419e6f4e7e3cf3f8a35a5b..80e15310f1b298de14c28a6eacc610dda5c0f5e8 100644 --- a/net/rxrpc/call_event.c +++ b/net/rxrpc/call_event.c @@ -157,7 +157,7 @@ static void rxrpc_congestion_timeout(struct rxrpc_call *call) static void rxrpc_resend(struct rxrpc_call *call, unsigned long now_j) { struct sk_buff *skb; - unsigned long resend_at, rto_j; + unsigned long resend_at; rxrpc_seq_t cursor, seq, top; ktime_t now, max_age, oldest, ack_ts; int ix; @@ -165,10 +165,8 @@ static void rxrpc_resend(struct rxrpc_call *call, unsigned long now_j) _enter("{%d,%d}", call->tx_hard_ack, call->tx_top); - rto_j = call->peer->rto_j; - now = ktime_get_real(); - max_age = ktime_sub(now, jiffies_to_usecs(rto_j)); + max_age = ktime_sub(now, jiffies_to_usecs(call->peer->rto_j)); spin_lock_bh(&call->lock); @@ -213,7 +211,7 @@ static void rxrpc_resend(struct rxrpc_call *call, unsigned long now_j) } resend_at = nsecs_to_jiffies(ktime_to_ns(ktime_sub(now, oldest))); - resend_at += jiffies + rto_j; + resend_at += jiffies + rxrpc_get_rto_backoff(call->peer, retrans); WRITE_ONCE(call->resend_at, resend_at); if (unacked) diff --git a/net/rxrpc/output.c b/net/rxrpc/output.c index f8b632a5c61979fbd02828e2e9b6945f8d274e8a..a4a6f8ee0720191a0643b2078cdc66315c4ce183 100644 --- a/net/rxrpc/output.c +++ b/net/rxrpc/output.c @@ -426,7 +426,7 @@ int rxrpc_send_data_packet(struct rxrpc_call *call, struct sk_buff *skb, if (call->peer->rtt_count > 1) { unsigned long nowj = jiffies, ack_lost_at; - ack_lost_at = rxrpc_get_rto_backoff(call->peer, retrans); + ack_lost_at = rxrpc_get_rto_backoff(call->peer, false); ack_lost_at += nowj; WRITE_ONCE(call->ack_lost_at, ack_lost_at); rxrpc_reduce_call_timer(call, ack_lost_at, nowj, diff --git a/net/rxrpc/peer_object.c b/net/rxrpc/peer_object.c index e011594adcd13b8c1132ede135aa33f1f9fcf421..23d0bc4ca3196f9ce3e1b6fd31fcc64fda7e4c48 100644 --- a/net/rxrpc/peer_object.c +++ b/net/rxrpc/peer_object.c @@ -297,6 +297,12 @@ static struct rxrpc_peer *rxrpc_create_peer(struct rxrpc_sock *rx, return peer; } +static void rxrpc_free_peer(struct rxrpc_peer *peer) +{ + rxrpc_put_local(peer->local); + kfree_rcu(peer, rcu); +} + /* * Set up a new incoming peer. There shouldn't be any other matching peers * since we've already done a search in the list from the non-reentrant context @@ -363,7 +369,7 @@ struct rxrpc_peer *rxrpc_lookup_peer(struct rxrpc_sock *rx, spin_unlock_bh(&rxnet->peer_hash_lock); if (peer) - kfree(candidate); + rxrpc_free_peer(candidate); else peer = candidate; } @@ -418,8 +424,7 @@ static void __rxrpc_put_peer(struct rxrpc_peer *peer) list_del_init(&peer->keepalive_link); spin_unlock_bh(&rxnet->peer_hash_lock); - rxrpc_put_local(peer->local); - kfree_rcu(peer, rcu); + rxrpc_free_peer(peer); } /* @@ -455,8 +460,7 @@ void rxrpc_put_peer_locked(struct rxrpc_peer *peer) if (n == 0) { hash_del_rcu(&peer->hash_link); list_del_init(&peer->keepalive_link); - rxrpc_put_local(peer->local); - kfree_rcu(peer, rcu); + rxrpc_free_peer(peer); } } diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c index e3ff884a48c5618ceba137a81792650dab26c415..b87d2a1ee0b166f9c5760f1c1920e454fd68b7e9 100644 --- a/net/sched/act_mirred.c +++ b/net/sched/act_mirred.c @@ -19,6 +19,7 @@ #include #include #include +#include #include #include #include @@ -218,6 +219,7 @@ static int tcf_mirred_act(struct sk_buff *skb, const struct tc_action *a, bool want_ingress; bool is_redirect; bool expects_nh; + bool at_ingress; int m_eaction; int mac_len; bool at_nh; @@ -253,7 +255,8 @@ static int tcf_mirred_act(struct sk_buff *skb, const struct tc_action *a, * ingress - that covers the TC S/W datapath. */ is_redirect = tcf_mirred_is_act_redirect(m_eaction); - use_reinsert = skb_at_tc_ingress(skb) && is_redirect && + at_ingress = skb_at_tc_ingress(skb); + use_reinsert = at_ingress && is_redirect && tcf_mirred_can_reinsert(retval); if (!use_reinsert) { skb2 = skb_clone(skb, GFP_ATOMIC); @@ -261,10 +264,12 @@ static int tcf_mirred_act(struct sk_buff *skb, const struct tc_action *a, goto out; } + want_ingress = tcf_mirred_act_wants_ingress(m_eaction); + /* All mirred/redirected skbs should clear previous ct info */ nf_reset_ct(skb2); - - want_ingress = tcf_mirred_act_wants_ingress(m_eaction); + if (want_ingress && !at_ingress) /* drop dst for egress -> ingress */ + skb_dst_drop(skb2); expects_nh = want_ingress || !m_mac_header_xmit; at_nh = skb->data == skb_network_header(skb); diff --git a/net/sched/act_sample.c b/net/sched/act_sample.c index 74450b0f69fc523f04fc5e1f954e81f38f3263a9..214f4efdd992074e28bcf6ed4905dd4a135511bd 100644 --- a/net/sched/act_sample.c +++ b/net/sched/act_sample.c @@ -265,14 +265,12 @@ tcf_sample_get_group(const struct tc_action *a, struct tcf_sample *s = to_sample(a); struct psample_group *group; - spin_lock_bh(&s->tcf_lock); group = rcu_dereference_protected(s->psample_group, lockdep_is_held(&s->tcf_lock)); if (group) { psample_group_take(group); *destructor = tcf_psample_group_put; } - spin_unlock_bh(&s->tcf_lock); return group; } diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c index 7f20fd37e01e00c33ef843e621afdfacd77df030..80205b138d1130dca3a4346ca79e48338f5635e7 100644 --- a/net/sched/cls_api.c +++ b/net/sched/cls_api.c @@ -1928,9 +1928,9 @@ static int tc_new_tfilter(struct sk_buff *skb, struct nlmsghdr *n, bool prio_allocate; u32 parent; u32 chain_index; - struct Qdisc *q = NULL; + struct Qdisc *q; struct tcf_chain_info chain_info; - struct tcf_chain *chain = NULL; + struct tcf_chain *chain; struct tcf_block *block; struct tcf_proto *tp; unsigned long cl; @@ -1958,6 +1958,8 @@ static int tc_new_tfilter(struct sk_buff *skb, struct nlmsghdr *n, tp = NULL; cl = 0; block = NULL; + q = NULL; + chain = NULL; if (prio == 0) { /* If no priority is provided by the user, @@ -2764,8 +2766,8 @@ static int tc_ctl_chain(struct sk_buff *skb, struct nlmsghdr *n, struct tcmsg *t; u32 parent; u32 chain_index; - struct Qdisc *q = NULL; - struct tcf_chain *chain = NULL; + struct Qdisc *q; + struct tcf_chain *chain; struct tcf_block *block; unsigned long cl; int err; @@ -2775,6 +2777,7 @@ static int tc_ctl_chain(struct sk_buff *skb, struct nlmsghdr *n, return -EPERM; replay: + q = NULL; err = nlmsg_parse_deprecated(n, sizeof(*t), tca, TCA_MAX, rtm_tca_policy, extack); if (err < 0) @@ -3436,7 +3439,7 @@ static void tcf_sample_get_group(struct flow_action_entry *entry, int tc_setup_flow_action(struct flow_action *flow_action, const struct tcf_exts *exts, bool rtnl_held) { - const struct tc_action *act; + struct tc_action *act; int i, j, k, err = 0; if (!exts) @@ -3450,6 +3453,7 @@ int tc_setup_flow_action(struct flow_action *flow_action, struct flow_action_entry *entry; entry = &flow_action->entries[j]; + spin_lock_bh(&act->tcfa_lock); if (is_tcf_gact_ok(act)) { entry->id = FLOW_ACTION_ACCEPT; } else if (is_tcf_gact_shot(act)) { @@ -3490,13 +3494,13 @@ int tc_setup_flow_action(struct flow_action *flow_action, break; default: err = -EOPNOTSUPP; - goto err_out; + goto err_out_locked; } } else if (is_tcf_tunnel_set(act)) { entry->id = FLOW_ACTION_TUNNEL_ENCAP; err = tcf_tunnel_encap_get_tunnel(entry, act); if (err) - goto err_out; + goto err_out_locked; } else if (is_tcf_tunnel_release(act)) { entry->id = FLOW_ACTION_TUNNEL_DECAP; } else if (is_tcf_pedit(act)) { @@ -3510,7 +3514,7 @@ int tc_setup_flow_action(struct flow_action *flow_action, break; default: err = -EOPNOTSUPP; - goto err_out; + goto err_out_locked; } entry->mangle.htype = tcf_pedit_htype(act, k); entry->mangle.mask = tcf_pedit_mask(act, k); @@ -3561,15 +3565,17 @@ int tc_setup_flow_action(struct flow_action *flow_action, entry->mpls_mangle.ttl = tcf_mpls_ttl(act); break; default: - goto err_out; + err = -EOPNOTSUPP; + goto err_out_locked; } } else if (is_tcf_skbedit_ptype(act)) { entry->id = FLOW_ACTION_PTYPE; entry->ptype = tcf_skbedit_ptype(act); } else { err = -EOPNOTSUPP; - goto err_out; + goto err_out_locked; } + spin_unlock_bh(&act->tcfa_lock); if (!is_tcf_pedit(act)) j++; @@ -3583,6 +3589,9 @@ int tc_setup_flow_action(struct flow_action *flow_action, tc_cleanup_flow_action(flow_action); return err; +err_out_locked: + spin_unlock_bh(&act->tcfa_lock); + goto err_out; } EXPORT_SYMBOL(tc_setup_flow_action); diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index e70f9903340837d1ff22d5183cb924ead0aaf432..6f36df85d23d86c24abbde85a8ca7465b146045c 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -1195,7 +1195,7 @@ static struct Qdisc *qdisc_create(struct net_device *dev, err = -ENOENT; if (!ops) { - NL_SET_ERR_MSG(extack, "Specified qdisc not found"); + NL_SET_ERR_MSG(extack, "Specified qdisc kind is unknown"); goto err_out; } diff --git a/net/sched/sch_cake.c b/net/sched/sch_cake.c index e8eebe40e0ae9cb1384fcfb88a73528c56570c53..0eb4d4a568f77d40e22459325fed5107c99c6d82 100644 --- a/net/sched/sch_cake.c +++ b/net/sched/sch_cake.c @@ -2724,7 +2724,7 @@ static int cake_init(struct Qdisc *sch, struct nlattr *opt, q->tins = kvcalloc(CAKE_MAX_TINS, sizeof(struct cake_tin_data), GFP_KERNEL); if (!q->tins) - goto nomem; + return -ENOMEM; for (i = 0; i < CAKE_MAX_TINS; i++) { struct cake_tin_data *b = q->tins + i; @@ -2754,10 +2754,6 @@ static int cake_init(struct Qdisc *sch, struct nlattr *opt, q->min_netlen = ~0; q->min_adjlen = ~0; return 0; - -nomem: - cake_destroy(sch); - return -ENOMEM; } static int cake_dump(struct Qdisc *sch, struct sk_buff *skb) diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index 9bc5cbe9809b8e4c359bc9fb29141bb83a6b202b..f0796cb781f0910a913e0bc92ab12d4df2d212e5 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c @@ -1387,6 +1387,7 @@ void psched_ratecfg_precompute(struct psched_ratecfg *r, { memset(r, 0, sizeof(*r)); r->overhead = conf->overhead; + r->mpu = conf->mpu; r->rate_bytes_ps = max_t(u64, conf->rate, rate64); r->linklayer = (conf->linklayer & TC_LINKLAYER_MASK); r->mult = 1; diff --git a/net/sched/sch_qfq.c b/net/sched/sch_qfq.c index b046fd3cac2cf1a3bcb1398c41c124884ba7fefa..1eb339d224ae5440e2ee3ea2d1d6fb0afd5a0c4d 100644 --- a/net/sched/sch_qfq.c +++ b/net/sched/sch_qfq.c @@ -1421,10 +1421,8 @@ static int qfq_init_qdisc(struct Qdisc *sch, struct nlattr *opt, if (err < 0) return err; - if (qdisc_dev(sch)->tx_queue_len + 1 > QFQ_MAX_AGG_CLASSES) - max_classes = QFQ_MAX_AGG_CLASSES; - else - max_classes = qdisc_dev(sch)->tx_queue_len + 1; + max_classes = min_t(u64, (u64)qdisc_dev(sch)->tx_queue_len + 1, + QFQ_MAX_AGG_CLASSES); /* max_cl_shift = floor(log_2(max_classes)) */ max_cl_shift = __fls(max_classes); q->max_agg_classes = 1<asoc->ep; struct sctp_comm_param *commp = p; struct sock *sk = ep->base.sk; struct sk_buff *skb = commp->skb; @@ -304,6 +303,8 @@ static int sctp_sock_dump(struct sctp_transport *tsp, void *p) int err = 0; lock_sock(sk); + if (ep != tsp->asoc->ep) + goto release; list_for_each_entry(assoc, &ep->asocs, asocs) { if (cb->args[4] < cb->args[1]) goto next; @@ -346,9 +347,8 @@ static int sctp_sock_dump(struct sctp_transport *tsp, void *p) return err; } -static int sctp_sock_filter(struct sctp_transport *tsp, void *p) +static int sctp_sock_filter(struct sctp_endpoint *ep, struct sctp_transport *tsp, void *p) { - struct sctp_endpoint *ep = tsp->asoc->ep; struct sctp_comm_param *commp = p; struct sock *sk = ep->base.sk; const struct inet_diag_req_v2 *r = commp->r; @@ -506,8 +506,8 @@ static void sctp_diag_dump(struct sk_buff *skb, struct netlink_callback *cb, if (!(idiag_states & ~(TCPF_LISTEN | TCPF_CLOSE))) goto done; - sctp_for_each_transport(sctp_sock_filter, sctp_sock_dump, - net, &pos, &commp); + sctp_transport_traverse_process(sctp_sock_filter, sctp_sock_dump, + net, &pos, &commp); cb->args[2] = pos; done: diff --git a/net/sctp/endpointola.c b/net/sctp/endpointola.c index 3067deb0fbec1c21d967a0bf35015ca410a8c836..665a22d5c725ba46060a7680c2ca3ea19037e31f 100644 --- a/net/sctp/endpointola.c +++ b/net/sctp/endpointola.c @@ -184,6 +184,18 @@ void sctp_endpoint_free(struct sctp_endpoint *ep) } /* Final destructor for endpoint. */ +static void sctp_endpoint_destroy_rcu(struct rcu_head *head) +{ + struct sctp_endpoint *ep = container_of(head, struct sctp_endpoint, rcu); + struct sock *sk = ep->base.sk; + + sctp_sk(sk)->ep = NULL; + sock_put(sk); + + kfree(ep); + SCTP_DBG_OBJCNT_DEC(ep); +} + static void sctp_endpoint_destroy(struct sctp_endpoint *ep) { struct sock *sk; @@ -213,18 +225,13 @@ static void sctp_endpoint_destroy(struct sctp_endpoint *ep) if (sctp_sk(sk)->bind_hash) sctp_put_port(sk); - sctp_sk(sk)->ep = NULL; - /* Give up our hold on the sock */ - sock_put(sk); - - kfree(ep); - SCTP_DBG_OBJCNT_DEC(ep); + call_rcu(&ep->rcu, sctp_endpoint_destroy_rcu); } /* Hold a reference to an endpoint. */ -void sctp_endpoint_hold(struct sctp_endpoint *ep) +int sctp_endpoint_hold(struct sctp_endpoint *ep) { - refcount_inc(&ep->base.refcnt); + return refcount_inc_not_zero(&ep->base.refcnt); } /* Release a reference to an endpoint and clean up if there are diff --git a/net/sctp/socket.c b/net/sctp/socket.c index eb626d7edfde2647621516a3253673c631ddc80a..ac72bf9b98eec783fdbbb6cdb451799fd67f747d 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -5400,11 +5400,12 @@ int sctp_transport_lookup_process(int (*cb)(struct sctp_transport *, void *), } EXPORT_SYMBOL_GPL(sctp_transport_lookup_process); -int sctp_for_each_transport(int (*cb)(struct sctp_transport *, void *), - int (*cb_done)(struct sctp_transport *, void *), - struct net *net, int *pos, void *p) { +int sctp_transport_traverse_process(sctp_callback_t cb, sctp_callback_t cb_done, + struct net *net, int *pos, void *p) +{ struct rhashtable_iter hti; struct sctp_transport *tsp; + struct sctp_endpoint *ep; int ret; again: @@ -5413,26 +5414,32 @@ int sctp_for_each_transport(int (*cb)(struct sctp_transport *, void *), tsp = sctp_transport_get_idx(net, &hti, *pos + 1); for (; !IS_ERR_OR_NULL(tsp); tsp = sctp_transport_get_next(net, &hti)) { - ret = cb(tsp, p); - if (ret) - break; + ep = tsp->asoc->ep; + if (sctp_endpoint_hold(ep)) { /* asoc can be peeled off */ + ret = cb(ep, tsp, p); + if (ret) + break; + sctp_endpoint_put(ep); + } (*pos)++; sctp_transport_put(tsp); } sctp_transport_walk_stop(&hti); if (ret) { - if (cb_done && !cb_done(tsp, p)) { + if (cb_done && !cb_done(ep, tsp, p)) { (*pos)++; + sctp_endpoint_put(ep); sctp_transport_put(tsp); goto again; } + sctp_endpoint_put(ep); sctp_transport_put(tsp); } return ret; } -EXPORT_SYMBOL_GPL(sctp_for_each_transport); +EXPORT_SYMBOL_GPL(sctp_transport_traverse_process); /* 7.2.1 Association Status (SCTP_STATUS) diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c index 6b0f09c5b195f395a51556f56e0ed78d294d42b4..06684ac346abd8616b3e0a0df8009afa1a046134 100644 --- a/net/smc/af_smc.c +++ b/net/smc/af_smc.c @@ -183,7 +183,9 @@ static int smc_release(struct socket *sock) /* cleanup for a dangling non-blocking connect */ if (smc->connect_nonblock && sk->sk_state == SMC_INIT) tcp_abort(smc->clcsock->sk, ECONNABORTED); - flush_work(&smc->connect_work); + + if (cancel_work_sync(&smc->connect_work)) + sock_put(&smc->sk); /* sock_hold in smc_connect for passive closing */ if (sk->sk_state == SMC_LISTEN) /* smc_close_non_accepted() is called and acquires @@ -467,12 +469,26 @@ static void smc_link_save_peer_info(struct smc_link *link, static void smc_switch_to_fallback(struct smc_sock *smc) { + wait_queue_head_t *smc_wait = sk_sleep(&smc->sk); + wait_queue_head_t *clc_wait = sk_sleep(smc->clcsock->sk); + unsigned long flags; + smc->use_fallback = true; if (smc->sk.sk_socket && smc->sk.sk_socket->file) { smc->clcsock->file = smc->sk.sk_socket->file; smc->clcsock->file->private_data = smc->clcsock; smc->clcsock->wq.fasync_list = smc->sk.sk_socket->wq.fasync_list; + + /* There may be some entries remaining in + * smc socket->wq, which should be removed + * to clcsocket->wq during the fallback. + */ + spin_lock_irqsave(&smc_wait->lock, flags); + spin_lock_nested(&clc_wait->lock, SINGLE_DEPTH_NESTING); + list_splice_init(&smc_wait->head, &clc_wait->head); + spin_unlock(&clc_wait->lock); + spin_unlock_irqrestore(&smc_wait->lock, flags); } } @@ -1658,8 +1674,10 @@ static __poll_t smc_poll(struct file *file, struct socket *sock, static int smc_shutdown(struct socket *sock, int how) { struct sock *sk = sock->sk; + bool do_shutdown = true; struct smc_sock *smc; int rc = -EINVAL; + int old_state; int rc1 = 0; smc = smc_sk(sk); @@ -1686,7 +1704,11 @@ static int smc_shutdown(struct socket *sock, int how) } switch (how) { case SHUT_RDWR: /* shutdown in both directions */ + old_state = sk->sk_state; rc = smc_close_active(smc); + if (old_state == SMC_ACTIVE && + sk->sk_state == SMC_PEERCLOSEWAIT1) + do_shutdown = false; break; case SHUT_WR: rc = smc_close_shutdown_write(smc); @@ -1696,7 +1718,7 @@ static int smc_shutdown(struct socket *sock, int how) /* nothing more to do because peer is not involved */ break; } - if (smc->clcsock) + if (do_shutdown && smc->clcsock) rc1 = kernel_sock_shutdown(smc->clcsock, how); /* map sock_shutdown_cmd constants to sk_shutdown value range */ sk->sk_shutdown |= how + 1; diff --git a/net/smc/smc_close.c b/net/smc/smc_close.c index fc06720b53c1442a8dd3222ed7be482a8993ab92..543948d970c5255f6297a7dedefc716ef9cf1f38 100644 --- a/net/smc/smc_close.c +++ b/net/smc/smc_close.c @@ -183,6 +183,7 @@ int smc_close_active(struct smc_sock *smc) int old_state; long timeout; int rc = 0; + int rc1 = 0; timeout = current->flags & PF_EXITING ? 0 : sock_flag(sk, SOCK_LINGER) ? @@ -218,6 +219,15 @@ int smc_close_active(struct smc_sock *smc) if (rc) break; sk->sk_state = SMC_PEERCLOSEWAIT1; + + /* actively shutdown clcsock before peer close it, + * prevent peer from entering TIME_WAIT state. + */ + if (smc->clcsock && smc->clcsock->sk) { + rc1 = kernel_sock_shutdown(smc->clcsock, + SHUT_RDWR); + rc = rc ? rc : rc1; + } } else { /* peer event has changed the state */ goto again; diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c index 37792675ed5719ca60495c9117a264b060bf5ddc..3b825942e2f674fc532f67b80cb625941f56fda7 100644 --- a/net/sunrpc/rpc_pipe.c +++ b/net/sunrpc/rpc_pipe.c @@ -599,9 +599,9 @@ static int __rpc_rmdir(struct inode *dir, struct dentry *dentry) dget(dentry); ret = simple_rmdir(dir, dentry); + d_drop(dentry); if (!ret) fsnotify_rmdir(dir, dentry); - d_delete(dentry); dput(dentry); return ret; } @@ -612,9 +612,9 @@ static int __rpc_unlink(struct inode *dir, struct dentry *dentry) dget(dentry); ret = simple_unlink(dir, dentry); + d_drop(dentry); if (!ret) fsnotify_unlink(dir, dentry); - d_delete(dentry); dput(dentry); return ret; } diff --git a/net/tipc/name_distr.c b/net/tipc/name_distr.c index 836e629e8f4ab8e1932c04c2f5056595a507313a..661bc2551a0a2480908cb5be62ed3667c4b6f5ba 100644 --- a/net/tipc/name_distr.c +++ b/net/tipc/name_distr.c @@ -290,7 +290,7 @@ static bool tipc_update_nametbl(struct net *net, struct distr_item *i, pr_warn_ratelimited("Failed to remove binding %u,%u from %x\n", type, lower, node); } else { - pr_warn("Unrecognized name table message received\n"); + pr_warn_ratelimited("Unknown name table message received\n"); } return false; } diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c index 02821b9140546bc036a19dd921242c3fc5b4d696..1436a36c1934ace6d960bccb6322f91d9079cf1a 100644 --- a/net/tls/tls_sw.c +++ b/net/tls/tls_sw.c @@ -512,7 +512,7 @@ static int tls_do_encryption(struct sock *sk, memcpy(&rec->iv_data[iv_offset], tls_ctx->tx.iv, prot->iv_size + prot->salt_size); - xor_iv_with_seq(prot->version, rec->iv_data, tls_ctx->tx.rec_seq); + xor_iv_with_seq(prot->version, rec->iv_data + iv_offset, tls_ctx->tx.rec_seq); sge->offset += prot->prepend_size; sge->length -= prot->prepend_size; @@ -1483,7 +1483,7 @@ static int decrypt_internal(struct sock *sk, struct sk_buff *skb, else memcpy(iv + iv_offset, tls_ctx->rx.iv, prot->salt_size); - xor_iv_with_seq(prot->version, iv, tls_ctx->rx.rec_seq); + xor_iv_with_seq(prot->version, iv + iv_offset, tls_ctx->rx.rec_seq); /* Prepare AAD */ tls_make_aad(aad, rxm->full_len - prot->overhead_size + diff --git a/net/unix/garbage.c b/net/unix/garbage.c index 12e2ddaf887f204a091f157905f270046fc384a6..d45d5366115a769b21bfc1db5a67f7d53c3fa9b8 100644 --- a/net/unix/garbage.c +++ b/net/unix/garbage.c @@ -192,8 +192,11 @@ void wait_for_unix_gc(void) { /* If number of inflight sockets is insane, * force a garbage collect right now. + * Paired with the WRITE_ONCE() in unix_inflight(), + * unix_notinflight() and gc_in_progress(). */ - if (unix_tot_inflight > UNIX_INFLIGHT_TRIGGER_GC && !gc_in_progress) + if (READ_ONCE(unix_tot_inflight) > UNIX_INFLIGHT_TRIGGER_GC && + !READ_ONCE(gc_in_progress)) unix_gc(); wait_event(unix_gc_wait, gc_in_progress == false); } @@ -213,7 +216,9 @@ void unix_gc(void) if (gc_in_progress) goto out; - gc_in_progress = true; + /* Paired with READ_ONCE() in wait_for_unix_gc(). */ + WRITE_ONCE(gc_in_progress, true); + /* First, select candidates for garbage collection. Only * in-flight sockets are considered, and from those only ones * which don't have any external reference. @@ -299,7 +304,10 @@ void unix_gc(void) /* All candidates should have been detached by now. */ BUG_ON(!list_empty(&gc_candidates)); - gc_in_progress = false; + + /* Paired with READ_ONCE() in wait_for_unix_gc(). */ + WRITE_ONCE(gc_in_progress, false); + wake_up(&unix_gc_wait); out: diff --git a/net/unix/scm.c b/net/unix/scm.c index 8c40f2b323924d304111b7b8981e9bb209722d5b..ce700b22eccee4ea8e962268d0b8ef0b05fe1d61 100644 --- a/net/unix/scm.c +++ b/net/unix/scm.c @@ -59,7 +59,8 @@ void unix_inflight(struct user_struct *user, struct file *fp) } else { BUG_ON(list_empty(&u->link)); } - unix_tot_inflight++; + /* Paired with READ_ONCE() in wait_for_unix_gc() */ + WRITE_ONCE(unix_tot_inflight, unix_tot_inflight + 1); } user->unix_inflight++; spin_unlock(&unix_gc_lock); @@ -79,7 +80,8 @@ void unix_notinflight(struct user_struct *user, struct file *fp) if (atomic_long_dec_and_test(&u->inflight)) list_del_init(&u->link); - unix_tot_inflight--; + /* Paired with READ_ONCE() in wait_for_unix_gc() */ + WRITE_ONCE(unix_tot_inflight, unix_tot_inflight - 1); } user->unix_inflight--; spin_unlock(&unix_gc_lock); diff --git a/net/wireless/util.c b/net/wireless/util.c index ac9b9c31f41c27560141f266085967cf6c53e8f6..01df67b9c20126c989ae0d235f50e80a6650aacd 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -1011,6 +1011,7 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev, switch (otype) { case NL80211_IFTYPE_AP: + case NL80211_IFTYPE_P2P_GO: cfg80211_stop_ap(rdev, dev, true); break; case NL80211_IFTYPE_ADHOC: diff --git a/net/xfrm/xfrm_interface.c b/net/xfrm/xfrm_interface.c index 74e90d78c3b463c9dc204c5594a5643e7cab2363..08343201513a9b615dcbd7e0b91caeecdd7b7b9d 100644 --- a/net/xfrm/xfrm_interface.c +++ b/net/xfrm/xfrm_interface.c @@ -659,11 +659,16 @@ static int xfrmi_newlink(struct net *src_net, struct net_device *dev, struct netlink_ext_ack *extack) { struct net *net = dev_net(dev); - struct xfrm_if_parms p; + struct xfrm_if_parms p = {}; struct xfrm_if *xi; int err; xfrmi_netlink_parms(data, &p); + if (!p.if_id) { + NL_SET_ERR_MSG(extack, "if_id must be non zero"); + return -EINVAL; + } + xi = xfrmi_locate(net, &p); if (xi) return -EEXIST; @@ -688,7 +693,12 @@ static int xfrmi_changelink(struct net_device *dev, struct nlattr *tb[], { struct xfrm_if *xi = netdev_priv(dev); struct net *net = xi->net; - struct xfrm_if_parms p; + struct xfrm_if_parms p = {}; + + if (!p.if_id) { + NL_SET_ERR_MSG(extack, "if_id must be non zero"); + return -EINVAL; + } xfrmi_netlink_parms(data, &p); xi = xfrmi_locate(net, &p); diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index 32c81634279709810ff7061a30db003da5f9f6c2..20f0ca0d2da5e885e703f9efd122d8fdc56dea38 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -31,8 +31,14 @@ #include #include #include +#ifndef __GENKSYMS__ +#include +#endif #include #include +#ifndef __GENKSYMS__ +#include +#endif #if IS_ENABLED(CONFIG_IPV6_MIP6) #include #endif @@ -3281,7 +3287,7 @@ decode_session4(struct sk_buff *skb, struct flowi *fl, bool reverse) fl4->flowi4_proto = iph->protocol; fl4->daddr = reverse ? iph->saddr : iph->daddr; fl4->saddr = reverse ? iph->daddr : iph->saddr; - fl4->flowi4_tos = iph->tos; + fl4->flowi4_tos = iph->tos & ~INET_ECN_MASK; if (!ip_is_fragment(iph)) { switch (iph->protocol) { @@ -3443,6 +3449,26 @@ decode_session6(struct sk_buff *skb, struct flowi *fl, bool reverse) } fl6->flowi6_proto = nexthdr; return; + case IPPROTO_GRE: + if (!onlyproto && + (nh + offset + 12 < skb->data || + pskb_may_pull(skb, nh + offset + 12 - skb->data))) { + struct gre_base_hdr *gre_hdr; + __be32 *gre_key; + + nh = skb_network_header(skb); + gre_hdr = (struct gre_base_hdr *)(nh + offset); + gre_key = (__be32 *)(gre_hdr + 1); + + if (gre_hdr->flags & GRE_KEY) { + if (gre_hdr->flags & GRE_CSUM) + gre_key++; + fl6->fl6_gre_key = *gre_key; + } + } + fl6->flowi6_proto = nexthdr; + return; + #if IS_ENABLED(CONFIG_IPV6_MIP6) case IPPROTO_MH: offset += ipv6_optlen(exthdr); diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index 40ea3d553a33c3feca779bd235e222c8cf0e0a2f..d1b6beeb1399021e1c373e130cdb4ddfa4ab7d33 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -621,8 +621,13 @@ static struct xfrm_state *xfrm_state_construct(struct net *net, xfrm_smark_init(attrs, &x->props.smark); - if (attrs[XFRMA_IF_ID]) + if (attrs[XFRMA_IF_ID]) { x->if_id = nla_get_u32(attrs[XFRMA_IF_ID]); + if (!x->if_id) { + err = -EINVAL; + goto error; + } + } err = __xfrm_init_state(x, false, attrs[XFRMA_OFFLOAD_DEV]); if (err) @@ -1353,8 +1358,13 @@ static int xfrm_alloc_userspi(struct sk_buff *skb, struct nlmsghdr *nlh, mark = xfrm_mark_get(attrs, &m); - if (attrs[XFRMA_IF_ID]) + if (attrs[XFRMA_IF_ID]) { if_id = nla_get_u32(attrs[XFRMA_IF_ID]); + if (!if_id) { + err = -EINVAL; + goto out_noput; + } + } if (p->info.seq) { x = xfrm_find_acq_byseq(net, mark, p->info.seq); @@ -1667,8 +1677,13 @@ static struct xfrm_policy *xfrm_policy_construct(struct net *net, struct xfrm_us xfrm_mark_get(attrs, &xp->mark); - if (attrs[XFRMA_IF_ID]) + if (attrs[XFRMA_IF_ID]) { xp->if_id = nla_get_u32(attrs[XFRMA_IF_ID]); + if (!xp->if_id) { + err = -EINVAL; + goto error; + } + } return xp; error: @@ -2901,7 +2916,7 @@ static inline unsigned int xfrm_sa_len(struct xfrm_state *x) if (x->props.extra_flags) l += nla_total_size(sizeof(x->props.extra_flags)); if (x->xso.dev) - l += nla_total_size(sizeof(x->xso)); + l += nla_total_size(sizeof(struct xfrm_user_offload)); if (x->props.smark.v | x->props.smark.m) { l += nla_total_size(sizeof(x->props.smark.v)); l += nla_total_size(sizeof(x->props.smark.m)); diff --git a/scripts/dtc/dtx_diff b/scripts/dtc/dtx_diff index 00fd4738a58779489183acbb171949687ab49dc5..ae6c766a56ccc503c5fc354a88b6d436e8d03a2f 100755 --- a/scripts/dtc/dtx_diff +++ b/scripts/dtc/dtx_diff @@ -56,12 +56,8 @@ Otherwise DTx is treated as a dts source file (aka .dts). or '/include/' to be processed. If DTx_1 and DTx_2 are in different architectures, then this script - may not work since \${ARCH} is part of the include path. Two possible - workarounds: - - `basename $0` \\ - <(ARCH=arch_of_dtx_1 `basename $0` DTx_1) \\ - <(ARCH=arch_of_dtx_2 `basename $0` DTx_2) + may not work since \${ARCH} is part of the include path. The following + workaround can be used: `basename $0` ARCH=arch_of_dtx_1 DTx_1 >tmp_dtx_1.dts `basename $0` ARCH=arch_of_dtx_2 DTx_2 >tmp_dtx_2.dts diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl index f459ae883a0a63cc28720b83c0ad6598389e54bc..dc1d3696af6b88091a4efa0ae87b653b22e787a7 100755 --- a/scripts/recordmcount.pl +++ b/scripts/recordmcount.pl @@ -252,7 +252,7 @@ if ($arch eq "x86_64") { } elsif ($arch eq "s390" && $bits == 64) { if ($cc =~ /-DCC_USING_HOTPATCH/) { - $mcount_regex = "^\\s*([0-9a-fA-F]+):\\s*c0 04 00 00 00 00\\s*brcl\\s*0,[0-9a-f]+ <([^\+]*)>\$"; + $mcount_regex = "^\\s*([0-9a-fA-F]+):\\s*c0 04 00 00 00 00\\s*(brcl\\s*0,|jgnop\\s*)[0-9a-f]+ <([^\+]*)>\$"; $mcount_adjust = 0; } else { $mcount_regex = "^\\s*([0-9a-fA-F]+):\\s*R_390_(PC|PLT)32DBL\\s+_mcount\\+0x2\$"; diff --git a/security/integrity/ima/ima_fs.c b/security/integrity/ima/ima_fs.c index 68571c40d61f614c775aa37986217251cb38b98c..a3e6fccff71231e840b57e03de2402ab60488c17 100644 --- a/security/integrity/ima/ima_fs.c +++ b/security/integrity/ima/ima_fs.c @@ -494,12 +494,12 @@ int __init ima_fs_init(void) return 0; out: + securityfs_remove(ima_policy); securityfs_remove(violations); securityfs_remove(runtime_measurements_count); securityfs_remove(ascii_runtime_measurements); securityfs_remove(binary_runtime_measurements); securityfs_remove(ima_symlink); securityfs_remove(ima_dir); - securityfs_remove(ima_policy); return -1; } diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c index e725d41872713deaf98019a511e9164eec25dca1..a073e49d5cd7d37f25527ac9aeb18e5bf42e8f06 100644 --- a/security/integrity/ima/ima_policy.c +++ b/security/integrity/ima/ima_policy.c @@ -1382,6 +1382,14 @@ int ima_policy_show(struct seq_file *m, void *v) rcu_read_lock(); + /* Do not print rules with inactive LSM labels */ + for (i = 0; i < MAX_LSM_RULES; i++) { + if (entry->lsm[i].args_p && !entry->lsm[i].rule) { + rcu_read_unlock(); + return 0; + } + } + if (entry->action & MEASURE) seq_puts(m, pt(Opt_measure)); if (entry->action & DONT_MEASURE) diff --git a/security/integrity/ima/ima_template.c b/security/integrity/ima/ima_template.c index 6aa6408603e33e3e6665bdfe6b84a9862cde5a29..2283051d063bce786793cc7de64df74a7d06f3ff 100644 --- a/security/integrity/ima/ima_template.c +++ b/security/integrity/ima/ima_template.c @@ -29,6 +29,7 @@ static struct ima_template_desc builtin_templates[] = { static LIST_HEAD(defined_templates); static DEFINE_SPINLOCK(template_list); +static int template_setup_done; static const struct ima_template_field supported_fields[] = { {.field_id = "d", .field_init = ima_eventdigest_init, @@ -82,10 +83,11 @@ static int __init ima_template_setup(char *str) struct ima_template_desc *template_desc; int template_len = strlen(str); - if (ima_template) + if (template_setup_done) return 1; - ima_init_template_list(); + if (!ima_template) + ima_init_template_list(); /* * Verify that a template with the supplied name exists. @@ -109,6 +111,7 @@ static int __init ima_template_setup(char *str) } ima_template = template_desc; + template_setup_done = 1; return 1; } __setup("ima_template=", ima_template_setup); @@ -117,7 +120,7 @@ static int __init ima_template_fmt_setup(char *str) { int num_templates = ARRAY_SIZE(builtin_templates); - if (ima_template) + if (template_setup_done) return 1; if (template_desc_init_fields(str, NULL, NULL) < 0) { @@ -128,6 +131,7 @@ static int __init ima_template_fmt_setup(char *str) builtin_templates[num_templates - 1].fmt = str; ima_template = builtin_templates + num_templates - 1; + template_setup_done = 1; return 1; } diff --git a/security/integrity/integrity_audit.c b/security/integrity/integrity_audit.c index 5109173839cc5b820ff5c9712b681b4e4fae6277..c7f0f82a9a110f47acad19ef46f0cb3f3149fcd0 100644 --- a/security/integrity/integrity_audit.c +++ b/security/integrity/integrity_audit.c @@ -36,6 +36,8 @@ void integrity_audit_msg(int audit_msgno, struct inode *inode, return; ab = audit_log_start(audit_context(), GFP_KERNEL, audit_msgno); + if (!ab) + return; audit_log_format(ab, "pid=%d uid=%u auid=%u ses=%u", task_pid_nr(current), from_kuid(&init_user_ns, current_cred()->uid), diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 912f9d7fee6f221ee0a3f6d8bc6946555f15e108..3c8b29c8388b4c25365496b8ed3c16a98594aa83 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -998,18 +998,22 @@ static int selinux_sb_clone_mnt_opts(const struct super_block *oldsb, static int selinux_add_opt(int token, const char *s, void **mnt_opts) { struct selinux_mnt_opts *opts = *mnt_opts; + bool is_alloc_opts = false; if (token == Opt_seclabel) /* eaten and completely ignored */ return 0; + if (!s) + return -ENOMEM; + if (!opts) { opts = kzalloc(sizeof(struct selinux_mnt_opts), GFP_KERNEL); if (!opts) return -ENOMEM; *mnt_opts = opts; + is_alloc_opts = true; } - if (!s) - return -ENOMEM; + switch (token) { case Opt_context: if (opts->context || opts->defcontext) @@ -1034,6 +1038,10 @@ static int selinux_add_opt(int token, const char *s, void **mnt_opts) } return 0; Einval: + if (is_alloc_opts) { + kfree(opts); + *mnt_opts = NULL; + } pr_warn(SEL_MOUNT_FAIL_MSG); return -EINVAL; } @@ -5739,7 +5747,7 @@ static unsigned int selinux_ip_postroute_compat(struct sk_buff *skb, struct common_audit_data ad; struct lsm_network_audit net = {0,}; char *addrp; - u8 proto; + u8 proto = 0; if (sk == NULL) return NF_ACCEPT; diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c index 6559767d34444c54c03be4d821f64b9745c4ef54..b848fb7e443f8357593384121b87a5500cfd6610 100644 --- a/security/selinux/ss/services.c +++ b/security/selinux/ss/services.c @@ -2313,6 +2313,43 @@ size_t security_policydb_len(struct selinux_state *state) return len; } +/** + * ocontext_to_sid - Helper to safely get sid for an ocontext + * @sidtab: SID table + * @c: ocontext structure + * @index: index of the context entry (0 or 1) + * @out_sid: pointer to the resulting SID value + * + * For all ocontexts except OCON_ISID the SID fields are populated + * on-demand when needed. Since updating the SID value is an SMP-sensitive + * operation, this helper must be used to do that safely. + * + * WARNING: This function may return -ESTALE, indicating that the caller + * must retry the operation after re-acquiring the policy pointer! + */ +static int ocontext_to_sid(struct sidtab *sidtab, struct ocontext *c, + size_t index, u32 *out_sid) +{ + int rc; + u32 sid; + + /* Ensure the associated sidtab entry is visible to this thread. */ + sid = smp_load_acquire(&c->sid[index]); + if (!sid) { + rc = sidtab_context_to_sid(sidtab, &c->context[index], &sid); + if (rc) + return rc; + + /* + * Ensure the new sidtab entry is visible to other threads + * when they see the SID. + */ + smp_store_release(&c->sid[index], sid); + } + *out_sid = sid; + return 0; +} + /** * security_port_sid - Obtain the SID for a port. * @protocol: protocol number @@ -2325,10 +2362,12 @@ int security_port_sid(struct selinux_state *state, struct policydb *policydb; struct sidtab *sidtab; struct ocontext *c; - int rc = 0; + int rc; read_lock(&state->ss->policy_rwlock); +retry: + rc = 0; policydb = &state->ss->policydb; sidtab = state->ss->sidtab; @@ -2342,13 +2381,11 @@ int security_port_sid(struct selinux_state *state, } if (c) { - if (!c->sid[0]) { - rc = context_struct_to_sid(state, &c->context[0], - &c->sid[0]); - if (rc) - goto out; - } - *out_sid = c->sid[0]; + rc = ocontext_to_sid(sidtab, c, 0, out_sid); + if (rc == -ESTALE) + goto retry; + if (rc) + goto out; } else { *out_sid = SECINITSID_PORT; } @@ -2368,12 +2405,16 @@ int security_ib_pkey_sid(struct selinux_state *state, u64 subnet_prefix, u16 pkey_num, u32 *out_sid) { struct policydb *policydb; + struct sidtab *sidtab; struct ocontext *c; - int rc = 0; + int rc; read_lock(&state->ss->policy_rwlock); +retry: + rc = 0; policydb = &state->ss->policydb; + sidtab = state->ss->sidtab; c = policydb->ocontexts[OCON_IBPKEY]; while (c) { @@ -2386,14 +2427,11 @@ int security_ib_pkey_sid(struct selinux_state *state, } if (c) { - if (!c->sid[0]) { - rc = context_struct_to_sid(state, - &c->context[0], - &c->sid[0]); - if (rc) - goto out; - } - *out_sid = c->sid[0]; + rc = ocontext_to_sid(sidtab, c, 0, out_sid); + if (rc == -ESTALE) + goto retry; + if (rc) + goto out; } else *out_sid = SECINITSID_UNLABELED; @@ -2414,10 +2452,12 @@ int security_ib_endport_sid(struct selinux_state *state, struct policydb *policydb; struct sidtab *sidtab; struct ocontext *c; - int rc = 0; + int rc; read_lock(&state->ss->policy_rwlock); +retry: + rc = 0; policydb = &state->ss->policydb; sidtab = state->ss->sidtab; @@ -2433,13 +2473,11 @@ int security_ib_endport_sid(struct selinux_state *state, } if (c) { - if (!c->sid[0]) { - rc = context_struct_to_sid(state, &c->context[0], - &c->sid[0]); - if (rc) - goto out; - } - *out_sid = c->sid[0]; + rc = ocontext_to_sid(sidtab, c, 0, out_sid); + if (rc == -ESTALE) + goto retry; + if (rc) + goto out; } else *out_sid = SECINITSID_UNLABELED; @@ -2458,11 +2496,13 @@ int security_netif_sid(struct selinux_state *state, { struct policydb *policydb; struct sidtab *sidtab; - int rc = 0; + int rc; struct ocontext *c; read_lock(&state->ss->policy_rwlock); +retry: + rc = 0; policydb = &state->ss->policydb; sidtab = state->ss->sidtab; @@ -2474,17 +2514,11 @@ int security_netif_sid(struct selinux_state *state, } if (c) { - if (!c->sid[0] || !c->sid[1]) { - rc = context_struct_to_sid(state, &c->context[0], - &c->sid[0]); - if (rc) - goto out; - rc = context_struct_to_sid(state, &c->context[1], - &c->sid[1]); - if (rc) - goto out; - } - *if_sid = c->sid[0]; + rc = ocontext_to_sid(sidtab, c, 0, if_sid); + if (rc == -ESTALE) + goto retry; + if (rc) + goto out; } else *if_sid = SECINITSID_NETIF; @@ -2520,12 +2554,15 @@ int security_node_sid(struct selinux_state *state, u32 *out_sid) { struct policydb *policydb; + struct sidtab *sidtab; int rc; struct ocontext *c; read_lock(&state->ss->policy_rwlock); +retry: policydb = &state->ss->policydb; + sidtab = state->ss->sidtab; switch (domain) { case AF_INET: { @@ -2566,14 +2603,11 @@ int security_node_sid(struct selinux_state *state, } if (c) { - if (!c->sid[0]) { - rc = context_struct_to_sid(state, - &c->context[0], - &c->sid[0]); - if (rc) - goto out; - } - *out_sid = c->sid[0]; + rc = ocontext_to_sid(sidtab, c, 0, out_sid); + if (rc == -ESTALE) + goto retry; + if (rc) + goto out; } else { *out_sid = SECINITSID_NODE; } @@ -2732,11 +2766,12 @@ static inline int __security_genfs_sid(struct selinux_state *state, u32 *sid) { struct policydb *policydb = &state->ss->policydb; + struct sidtab *sidtab = state->ss->sidtab; int len; u16 sclass; struct genfs *genfs; struct ocontext *c; - int rc, cmp = 0; + int cmp = 0; while (path[0] == '/' && path[1] == '/') path++; @@ -2750,9 +2785,8 @@ static inline int __security_genfs_sid(struct selinux_state *state, break; } - rc = -ENOENT; if (!genfs || cmp) - goto out; + return -ENOENT; for (c = genfs->head; c; c = c->next) { len = strlen(c->u.name); @@ -2761,20 +2795,10 @@ static inline int __security_genfs_sid(struct selinux_state *state, break; } - rc = -ENOENT; if (!c) - goto out; - - if (!c->sid[0]) { - rc = context_struct_to_sid(state, &c->context[0], &c->sid[0]); - if (rc) - goto out; - } + return -ENOENT; - *sid = c->sid[0]; - rc = 0; -out: - return rc; + return ocontext_to_sid(sidtab, c, 0, sid); } /** @@ -2809,13 +2833,15 @@ int security_fs_use(struct selinux_state *state, struct super_block *sb) { struct policydb *policydb; struct sidtab *sidtab; - int rc = 0; + int rc; struct ocontext *c; struct superblock_security_struct *sbsec = sb->s_security; const char *fstype = sb->s_type->name; read_lock(&state->ss->policy_rwlock); +retry: + rc = 0; policydb = &state->ss->policydb; sidtab = state->ss->sidtab; @@ -2828,13 +2854,11 @@ int security_fs_use(struct selinux_state *state, struct super_block *sb) if (c) { sbsec->behavior = c->v.behavior; - if (!c->sid[0]) { - rc = context_struct_to_sid(state, &c->context[0], - &c->sid[0]); - if (rc) - goto out; - } - sbsec->sid = c->sid[0]; + rc = ocontext_to_sid(sidtab, c, 0, &sbsec->sid); + if (rc == -ESTALE) + goto retry; + if (rc) + goto out; } else { rc = __security_genfs_sid(state, fstype, "/", SECCLASS_DIR, &sbsec->sid); diff --git a/security/tomoyo/util.c b/security/tomoyo/util.c index eba0b3395851e0ae4a3be8be16dc37f28dccd726..861fc6f4ebfb73ec0fd21c443ee72c8a192cd1d7 100644 --- a/security/tomoyo/util.c +++ b/security/tomoyo/util.c @@ -1029,6 +1029,8 @@ bool tomoyo_domain_quota_is_ok(struct tomoyo_request_info *r) return false; if (!domain) return true; + if (READ_ONCE(domain->flags[TOMOYO_DIF_QUOTA_WARNED])) + return false; list_for_each_entry_rcu(ptr, &domain->acl_info_list, list, srcu_read_lock_held(&tomoyo_ss)) { u16 perm; @@ -1074,14 +1076,12 @@ bool tomoyo_domain_quota_is_ok(struct tomoyo_request_info *r) if (count < tomoyo_profile(domain->ns, domain->profile)-> pref[TOMOYO_PREF_MAX_LEARNING_ENTRY]) return true; - if (!domain->flags[TOMOYO_DIF_QUOTA_WARNED]) { - domain->flags[TOMOYO_DIF_QUOTA_WARNED] = true; - /* r->granted = false; */ - tomoyo_write_log(r, "%s", tomoyo_dif[TOMOYO_DIF_QUOTA_WARNED]); + WRITE_ONCE(domain->flags[TOMOYO_DIF_QUOTA_WARNED], true); + /* r->granted = false; */ + tomoyo_write_log(r, "%s", tomoyo_dif[TOMOYO_DIF_QUOTA_WARNED]); #ifndef CONFIG_SECURITY_TOMOYO_INSECURE_BUILTIN_SETTING - pr_warn("WARNING: Domain '%s' has too many ACLs to hold. Stopped learning mode.\n", - domain->domainname->name); + pr_warn("WARNING: Domain '%s' has too many ACLs to hold. Stopped learning mode.\n", + domain->domainname->name); #endif - } return false; } diff --git a/sound/core/Makefile b/sound/core/Makefile index ee4a4a6b99ba77dab73026df41df852fd48ab559..d123587c0fd8f553f0a8af8de2f9f4c8545d82bf 100644 --- a/sound/core/Makefile +++ b/sound/core/Makefile @@ -9,7 +9,9 @@ ifneq ($(CONFIG_SND_PROC_FS),) snd-y += info.o snd-$(CONFIG_SND_OSSEMUL) += info_oss.o endif +ifneq ($(CONFIG_M68K),y) snd-$(CONFIG_ISA_DMA_API) += isadma.o +endif snd-$(CONFIG_SND_OSSEMUL) += sound_oss.o snd-$(CONFIG_SND_VMASTER) += vmaster.o snd-$(CONFIG_SND_JACK) += ctljack.o jack.o diff --git a/sound/core/control_compat.c b/sound/core/control_compat.c index d55be1db1a8a5d260713d606e68d3b34b6acda97..cca3ed9b062946639627a3b7435cc19c005426f8 100644 --- a/sound/core/control_compat.c +++ b/sound/core/control_compat.c @@ -266,6 +266,7 @@ static int copy_ctl_value_to_user(void __user *userdata, struct snd_ctl_elem_value *data, int type, int count) { + struct snd_ctl_elem_value32 __user *data32 = userdata; int i, size; if (type == SNDRV_CTL_ELEM_TYPE_BOOLEAN || @@ -282,6 +283,8 @@ static int copy_ctl_value_to_user(void __user *userdata, if (copy_to_user(valuep, data->value.bytes.data, size)) return -EFAULT; } + if (copy_to_user(&data32->id, &data->id, sizeof(data32->id))) + return -EFAULT; return 0; } diff --git a/sound/core/jack.c b/sound/core/jack.c index fb26196571a7cbbe8ac11315c67e64b181979e44..b00ae6f39f054ef71c390c9ffc2a53e47f858094 100644 --- a/sound/core/jack.c +++ b/sound/core/jack.c @@ -54,10 +54,13 @@ static int snd_jack_dev_free(struct snd_device *device) struct snd_card *card = device->card; struct snd_jack_kctl *jack_kctl, *tmp_jack_kctl; + down_write(&card->controls_rwsem); list_for_each_entry_safe(jack_kctl, tmp_jack_kctl, &jack->kctl_list, list) { list_del_init(&jack_kctl->list); snd_ctl_remove(card, jack_kctl->kctl); } + up_write(&card->controls_rwsem); + if (jack->private_free) jack->private_free(jack); @@ -220,6 +223,10 @@ int snd_jack_new(struct snd_card *card, const char *id, int type, return -ENOMEM; jack->id = kstrdup(id, GFP_KERNEL); + if (jack->id == NULL) { + kfree(jack); + return -ENOMEM; + } /* don't creat input device for phantom jack */ if (!phantom_jack) { diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c index 0b03777d011161bff99d27efed66a4fbd6b6adfe..841c0a12cc929203db40cf69047a840835bbb345 100644 --- a/sound/core/oss/pcm_oss.c +++ b/sound/core/oss/pcm_oss.c @@ -147,7 +147,7 @@ snd_pcm_hw_param_value_min(const struct snd_pcm_hw_params *params, * * Return the maximum value for field PAR. */ -static unsigned int +static int snd_pcm_hw_param_value_max(const struct snd_pcm_hw_params *params, snd_pcm_hw_param_t var, int *dir) { @@ -682,18 +682,24 @@ static int snd_pcm_oss_period_size(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *oss_params, struct snd_pcm_hw_params *slave_params) { - size_t s; - size_t oss_buffer_size, oss_period_size, oss_periods; - size_t min_period_size, max_period_size; + ssize_t s; + ssize_t oss_buffer_size; + ssize_t oss_period_size, oss_periods; + ssize_t min_period_size, max_period_size; struct snd_pcm_runtime *runtime = substream->runtime; size_t oss_frame_size; oss_frame_size = snd_pcm_format_physical_width(params_format(oss_params)) * params_channels(oss_params) / 8; + oss_buffer_size = snd_pcm_hw_param_value_max(slave_params, + SNDRV_PCM_HW_PARAM_BUFFER_SIZE, + NULL); + if (oss_buffer_size <= 0) + return -EINVAL; oss_buffer_size = snd_pcm_plug_client_size(substream, - snd_pcm_hw_param_value_max(slave_params, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, NULL)) * oss_frame_size; - if (!oss_buffer_size) + oss_buffer_size * oss_frame_size); + if (oss_buffer_size <= 0) return -EINVAL; oss_buffer_size = rounddown_pow_of_two(oss_buffer_size); if (atomic_read(&substream->mmap_count)) { @@ -730,7 +736,7 @@ static int snd_pcm_oss_period_size(struct snd_pcm_substream *substream, min_period_size = snd_pcm_plug_client_size(substream, snd_pcm_hw_param_value_min(slave_params, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, NULL)); - if (min_period_size) { + if (min_period_size > 0) { min_period_size *= oss_frame_size; min_period_size = roundup_pow_of_two(min_period_size); if (oss_period_size < min_period_size) @@ -739,7 +745,7 @@ static int snd_pcm_oss_period_size(struct snd_pcm_substream *substream, max_period_size = snd_pcm_plug_client_size(substream, snd_pcm_hw_param_value_max(slave_params, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, NULL)); - if (max_period_size) { + if (max_period_size > 0) { max_period_size *= oss_frame_size; max_period_size = rounddown_pow_of_two(max_period_size); if (oss_period_size > max_period_size) @@ -752,7 +758,7 @@ static int snd_pcm_oss_period_size(struct snd_pcm_substream *substream, oss_periods = substream->oss.setup.periods; s = snd_pcm_hw_param_value_max(slave_params, SNDRV_PCM_HW_PARAM_PERIODS, NULL); - if (runtime->oss.maxfrags && s > runtime->oss.maxfrags) + if (s > 0 && runtime->oss.maxfrags && s > runtime->oss.maxfrags) s = runtime->oss.maxfrags; if (oss_periods > s) oss_periods = s; @@ -878,8 +884,15 @@ static int snd_pcm_oss_change_params_locked(struct snd_pcm_substream *substream) err = -EINVAL; goto failure; } - choose_rate(substream, sparams, runtime->oss.rate); - snd_pcm_hw_param_near(substream, sparams, SNDRV_PCM_HW_PARAM_CHANNELS, runtime->oss.channels, NULL); + + err = choose_rate(substream, sparams, runtime->oss.rate); + if (err < 0) + goto failure; + err = snd_pcm_hw_param_near(substream, sparams, + SNDRV_PCM_HW_PARAM_CHANNELS, + runtime->oss.channels, NULL); + if (err < 0) + goto failure; format = snd_pcm_oss_format_from(runtime->oss.format); @@ -1946,7 +1959,7 @@ static int snd_pcm_oss_set_fragment1(struct snd_pcm_substream *substream, unsign if (runtime->oss.subdivision || runtime->oss.fragshift) return -EINVAL; fragshift = val & 0xffff; - if (fragshift >= 31) + if (fragshift >= 25) /* should be large enough */ return -EINVAL; runtime->oss.fragshift = fragshift; runtime->oss.maxfrags = (val >> 16) & 0xffff; @@ -2042,7 +2055,7 @@ static int snd_pcm_oss_set_trigger(struct snd_pcm_oss_file *pcm_oss_file, int tr int err, cmd; #ifdef OSS_DEBUG - pcm_dbg(substream->pcm, "pcm_oss: trigger = 0x%x\n", trigger); + pr_debug("pcm_oss: trigger = 0x%x\n", trigger); #endif psubstream = pcm_oss_file->streams[SNDRV_PCM_STREAM_PLAYBACK]; diff --git a/sound/core/pcm.c b/sound/core/pcm.c index 9a72d641743d9062d9a5235bd5ca936dfc93e17b..f8ce961c28d6e56ff5c1a73c1d24a86f81b1c8da 100644 --- a/sound/core/pcm.c +++ b/sound/core/pcm.c @@ -810,7 +810,11 @@ EXPORT_SYMBOL(snd_pcm_new_internal); static void free_chmap(struct snd_pcm_str *pstr) { if (pstr->chmap_kctl) { - snd_ctl_remove(pstr->pcm->card, pstr->chmap_kctl); + struct snd_card *card = pstr->pcm->card; + + down_write(&card->controls_rwsem); + snd_ctl_remove(card, pstr->chmap_kctl); + up_write(&card->controls_rwsem); pstr->chmap_kctl = NULL; } } diff --git a/sound/core/seq/seq_queue.c b/sound/core/seq/seq_queue.c index 71a6ea62c3be7c8a0a1885da0b32b2b527ef8644..4ff0b927230c2f5ee4efe89046b61e68d0880eb9 100644 --- a/sound/core/seq/seq_queue.c +++ b/sound/core/seq/seq_queue.c @@ -234,12 +234,15 @@ struct snd_seq_queue *snd_seq_queue_find_name(char *name) /* -------------------------------------------------------- */ +#define MAX_CELL_PROCESSES_IN_QUEUE 1000 + void snd_seq_check_queue(struct snd_seq_queue *q, int atomic, int hop) { unsigned long flags; struct snd_seq_event_cell *cell; snd_seq_tick_time_t cur_tick; snd_seq_real_time_t cur_time; + int processed = 0; if (q == NULL) return; @@ -262,6 +265,8 @@ void snd_seq_check_queue(struct snd_seq_queue *q, int atomic, int hop) if (!cell) break; snd_seq_dispatch_event(cell, atomic, hop); + if (++processed >= MAX_CELL_PROCESSES_IN_QUEUE) + goto out; /* the rest processed at the next batch */ } /* Process time queue... */ @@ -271,14 +276,19 @@ void snd_seq_check_queue(struct snd_seq_queue *q, int atomic, int hop) if (!cell) break; snd_seq_dispatch_event(cell, atomic, hop); + if (++processed >= MAX_CELL_PROCESSES_IN_QUEUE) + goto out; /* the rest processed at the next batch */ } + out: /* free lock */ spin_lock_irqsave(&q->check_lock, flags); if (q->check_again) { q->check_again = 0; - spin_unlock_irqrestore(&q->check_lock, flags); - goto __again; + if (processed < MAX_CELL_PROCESSES_IN_QUEUE) { + spin_unlock_irqrestore(&q->check_lock, flags); + goto __again; + } } q->check_blocked = 0; spin_unlock_irqrestore(&q->check_lock, flags); diff --git a/sound/drivers/opl3/opl3_midi.c b/sound/drivers/opl3/opl3_midi.c index 280cc79870cf8f3091f0d5ee6f25ffd21e7a123c..ce38ec09d40874285a81e55170024db00d390641 100644 --- a/sound/drivers/opl3/opl3_midi.c +++ b/sound/drivers/opl3/opl3_midi.c @@ -398,7 +398,7 @@ void snd_opl3_note_on(void *p, int note, int vel, struct snd_midi_channel *chan) } if (instr_4op) { vp2 = &opl3->voices[voice + 3]; - if (vp->state > 0) { + if (vp2->state > 0) { opl3_reg = reg_side | (OPL3_REG_KEYON_BLOCK + voice_offset + 3); reg_val = vp->keyon_reg & ~OPL3_KEYON_BIT; diff --git a/sound/hda/ext/hdac_ext_stream.c b/sound/hda/ext/hdac_ext_stream.c index 6b1b4b834baef9e6f2f2841f0aa6b51c06c7b082..04f4070fbf366925f610ce3fa7b1d10463270288 100644 --- a/sound/hda/ext/hdac_ext_stream.c +++ b/sound/hda/ext/hdac_ext_stream.c @@ -106,20 +106,14 @@ void snd_hdac_stream_free_all(struct hdac_bus *bus) } EXPORT_SYMBOL_GPL(snd_hdac_stream_free_all); -/** - * snd_hdac_ext_stream_decouple - decouple the hdac stream - * @bus: HD-audio core bus - * @stream: HD-audio ext core stream object to initialize - * @decouple: flag to decouple - */ -void snd_hdac_ext_stream_decouple(struct hdac_bus *bus, - struct hdac_ext_stream *stream, bool decouple) +void snd_hdac_ext_stream_decouple_locked(struct hdac_bus *bus, + struct hdac_ext_stream *stream, + bool decouple) { struct hdac_stream *hstream = &stream->hstream; u32 val; int mask = AZX_PPCTL_PROCEN(hstream->index); - spin_lock_irq(&bus->reg_lock); val = readw(bus->ppcap + AZX_REG_PP_PPCTL) & mask; if (decouple && !val) @@ -128,6 +122,20 @@ void snd_hdac_ext_stream_decouple(struct hdac_bus *bus, snd_hdac_updatel(bus->ppcap, AZX_REG_PP_PPCTL, mask, 0); stream->decoupled = decouple; +} +EXPORT_SYMBOL_GPL(snd_hdac_ext_stream_decouple_locked); + +/** + * snd_hdac_ext_stream_decouple - decouple the hdac stream + * @bus: HD-audio core bus + * @stream: HD-audio ext core stream object to initialize + * @decouple: flag to decouple + */ +void snd_hdac_ext_stream_decouple(struct hdac_bus *bus, + struct hdac_ext_stream *stream, bool decouple) +{ + spin_lock_irq(&bus->reg_lock); + snd_hdac_ext_stream_decouple_locked(bus, stream, decouple); spin_unlock_irq(&bus->reg_lock); } EXPORT_SYMBOL_GPL(snd_hdac_ext_stream_decouple); @@ -252,6 +260,7 @@ hdac_ext_link_stream_assign(struct hdac_bus *bus, return NULL; } + spin_lock_irq(&bus->reg_lock); list_for_each_entry(stream, &bus->stream_list, list) { struct hdac_ext_stream *hstream = container_of(stream, struct hdac_ext_stream, @@ -266,17 +275,16 @@ hdac_ext_link_stream_assign(struct hdac_bus *bus, } if (!hstream->link_locked) { - snd_hdac_ext_stream_decouple(bus, hstream, true); + snd_hdac_ext_stream_decouple_locked(bus, hstream, true); res = hstream; break; } } if (res) { - spin_lock_irq(&bus->reg_lock); res->link_locked = 1; res->link_substream = substream; - spin_unlock_irq(&bus->reg_lock); } + spin_unlock_irq(&bus->reg_lock); return res; } @@ -292,6 +300,7 @@ hdac_ext_host_stream_assign(struct hdac_bus *bus, return NULL; } + spin_lock_irq(&bus->reg_lock); list_for_each_entry(stream, &bus->stream_list, list) { struct hdac_ext_stream *hstream = container_of(stream, struct hdac_ext_stream, @@ -301,18 +310,17 @@ hdac_ext_host_stream_assign(struct hdac_bus *bus, if (!stream->opened) { if (!hstream->decoupled) - snd_hdac_ext_stream_decouple(bus, hstream, true); + snd_hdac_ext_stream_decouple_locked(bus, hstream, true); res = hstream; break; } } if (res) { - spin_lock_irq(&bus->reg_lock); res->hstream.opened = 1; res->hstream.running = 0; res->hstream.substream = substream; - spin_unlock_irq(&bus->reg_lock); } + spin_unlock_irq(&bus->reg_lock); return res; } @@ -378,15 +386,17 @@ void snd_hdac_ext_stream_release(struct hdac_ext_stream *stream, int type) break; case HDAC_EXT_STREAM_TYPE_HOST: + spin_lock_irq(&bus->reg_lock); if (stream->decoupled && !stream->link_locked) - snd_hdac_ext_stream_decouple(bus, stream, false); + snd_hdac_ext_stream_decouple_locked(bus, stream, false); + spin_unlock_irq(&bus->reg_lock); snd_hdac_stream_release(&stream->hstream); break; case HDAC_EXT_STREAM_TYPE_LINK: - if (stream->decoupled && !stream->hstream.opened) - snd_hdac_ext_stream_decouple(bus, stream, false); spin_lock_irq(&bus->reg_lock); + if (stream->decoupled && !stream->hstream.opened) + snd_hdac_ext_stream_decouple_locked(bus, stream, false); stream->link_locked = 0; stream->link_substream = NULL; spin_unlock_irq(&bus->reg_lock); diff --git a/sound/hda/hdac_stream.c b/sound/hda/hdac_stream.c index 682ed39f79b015a3982b6e149ff3bf1c0d3632b6..b299b8b7f871a3ba7eb00cb003a71f329871f1c8 100644 --- a/sound/hda/hdac_stream.c +++ b/sound/hda/hdac_stream.c @@ -289,6 +289,7 @@ struct hdac_stream *snd_hdac_stream_assign(struct hdac_bus *bus, int key = (substream->pcm->device << 16) | (substream->number << 2) | (substream->stream + 1); + spin_lock_irq(&bus->reg_lock); list_for_each_entry(azx_dev, &bus->stream_list, list) { if (azx_dev->direction != substream->stream) continue; @@ -302,13 +303,12 @@ struct hdac_stream *snd_hdac_stream_assign(struct hdac_bus *bus, res = azx_dev; } if (res) { - spin_lock_irq(&bus->reg_lock); res->opened = 1; res->running = 0; res->assigned_key = key; res->substream = substream; - spin_unlock_irq(&bus->reg_lock); } + spin_unlock_irq(&bus->reg_lock); return res; } EXPORT_SYMBOL_GPL(snd_hdac_stream_assign); diff --git a/sound/isa/Kconfig b/sound/isa/Kconfig index b690ed937cbe8bd5ef1dbfa0eb313005d35093ac..df2e45c8814e9eb6f6b5ab1509d306f04a6dc998 100644 --- a/sound/isa/Kconfig +++ b/sound/isa/Kconfig @@ -22,7 +22,7 @@ config SND_SB16_DSP menuconfig SND_ISA bool "ISA sound devices" depends on ISA || COMPILE_TEST - depends on ISA_DMA_API + depends on ISA_DMA_API && !M68K default y help Support for sound devices connected via the ISA bus. diff --git a/sound/isa/gus/gus_dma.c b/sound/isa/gus/gus_dma.c index a1c770d826ddab1d6ed6d2f6c34aadcdf25d2701..6d664dd8dde0b4fe5b54bf3ea35bca454d81d493 100644 --- a/sound/isa/gus/gus_dma.c +++ b/sound/isa/gus/gus_dma.c @@ -126,6 +126,8 @@ static void snd_gf1_dma_interrupt(struct snd_gus_card * gus) } block = snd_gf1_dma_next_block(gus); spin_unlock(&gus->dma_lock); + if (!block) + return; snd_gf1_dma_program(gus, block->addr, block->buf_addr, block->count, (unsigned short) block->cmd); kfree(block); #if 0 diff --git a/sound/pci/Kconfig b/sound/pci/Kconfig index 7630f808d087c7e26c0cfa604bafc844fff4de9c..6edde2f1450253867bf2165fd789610f8814dad7 100644 --- a/sound/pci/Kconfig +++ b/sound/pci/Kconfig @@ -279,6 +279,7 @@ config SND_CS46XX_NEW_DSP config SND_CS5530 tristate "CS5530 Audio" depends on ISA_DMA_API && (X86_32 || COMPILE_TEST) + depends on !M68K select SND_SB16_DSP help Say Y here to include support for audio on Cyrix/NatSemi CS5530 chips. diff --git a/sound/pci/ctxfi/ctamixer.c b/sound/pci/ctxfi/ctamixer.c index d4ff377eb3a3405fab75c044e92603d2387e1a1d..6d636bdcaa5a3bf984fd382abd7c2a6929c1a1e6 100644 --- a/sound/pci/ctxfi/ctamixer.c +++ b/sound/pci/ctxfi/ctamixer.c @@ -23,16 +23,15 @@ #define BLANK_SLOT 4094 -static int amixer_master(struct rsc *rsc) +static void amixer_master(struct rsc *rsc) { rsc->conj = 0; - return rsc->idx = container_of(rsc, struct amixer, rsc)->idx[0]; + rsc->idx = container_of(rsc, struct amixer, rsc)->idx[0]; } -static int amixer_next_conj(struct rsc *rsc) +static void amixer_next_conj(struct rsc *rsc) { rsc->conj++; - return container_of(rsc, struct amixer, rsc)->idx[rsc->conj]; } static int amixer_index(const struct rsc *rsc) @@ -331,16 +330,15 @@ int amixer_mgr_destroy(struct amixer_mgr *amixer_mgr) /* SUM resource management */ -static int sum_master(struct rsc *rsc) +static void sum_master(struct rsc *rsc) { rsc->conj = 0; - return rsc->idx = container_of(rsc, struct sum, rsc)->idx[0]; + rsc->idx = container_of(rsc, struct sum, rsc)->idx[0]; } -static int sum_next_conj(struct rsc *rsc) +static void sum_next_conj(struct rsc *rsc) { rsc->conj++; - return container_of(rsc, struct sum, rsc)->idx[rsc->conj]; } static int sum_index(const struct rsc *rsc) diff --git a/sound/pci/ctxfi/ctdaio.c b/sound/pci/ctxfi/ctdaio.c index 27441d498968dba0760972c44c67c1f7078373d4..b5e1296af09eef9eea1a14d2cfb3700904be6c6d 100644 --- a/sound/pci/ctxfi/ctdaio.c +++ b/sound/pci/ctxfi/ctdaio.c @@ -51,12 +51,12 @@ static struct daio_rsc_idx idx_20k2[NUM_DAIOTYP] = { [SPDIFIO] = {.left = 0x05, .right = 0x85}, }; -static int daio_master(struct rsc *rsc) +static void daio_master(struct rsc *rsc) { /* Actually, this is not the resource index of DAIO. * For DAO, it is the input mapper index. And, for DAI, * it is the output time-slot index. */ - return rsc->conj = rsc->idx; + rsc->conj = rsc->idx; } static int daio_index(const struct rsc *rsc) @@ -64,19 +64,19 @@ static int daio_index(const struct rsc *rsc) return rsc->conj; } -static int daio_out_next_conj(struct rsc *rsc) +static void daio_out_next_conj(struct rsc *rsc) { - return rsc->conj += 2; + rsc->conj += 2; } -static int daio_in_next_conj_20k1(struct rsc *rsc) +static void daio_in_next_conj_20k1(struct rsc *rsc) { - return rsc->conj += 0x200; + rsc->conj += 0x200; } -static int daio_in_next_conj_20k2(struct rsc *rsc) +static void daio_in_next_conj_20k2(struct rsc *rsc) { - return rsc->conj += 0x100; + rsc->conj += 0x100; } static const struct rsc_ops daio_out_rsc_ops = { diff --git a/sound/pci/ctxfi/ctresource.c b/sound/pci/ctxfi/ctresource.c index 0bb5696e44b3772288935c3c1e0d3b44fab242b1..ec5f597b580ad8511bbda41b777f8801992d65cc 100644 --- a/sound/pci/ctxfi/ctresource.c +++ b/sound/pci/ctxfi/ctresource.c @@ -109,18 +109,17 @@ static int audio_ring_slot(const struct rsc *rsc) return (rsc->conj << 4) + offset_in_audio_slot_block[rsc->type]; } -static int rsc_next_conj(struct rsc *rsc) +static void rsc_next_conj(struct rsc *rsc) { unsigned int i; for (i = 0; (i < 8) && (!(rsc->msr & (0x1 << i))); ) i++; rsc->conj += (AUDIO_SLOT_BLOCK_NUM >> i); - return rsc->conj; } -static int rsc_master(struct rsc *rsc) +static void rsc_master(struct rsc *rsc) { - return rsc->conj = rsc->idx; + rsc->conj = rsc->idx; } static const struct rsc_ops rsc_generic_ops = { diff --git a/sound/pci/ctxfi/ctresource.h b/sound/pci/ctxfi/ctresource.h index 93e47488a1c1c6fa175a121bcd1addfe327f650b..92146054af582512945ed0a28d25b4e9a71e5d02 100644 --- a/sound/pci/ctxfi/ctresource.h +++ b/sound/pci/ctxfi/ctresource.h @@ -39,8 +39,8 @@ struct rsc { }; struct rsc_ops { - int (*master)(struct rsc *rsc); /* Move to master resource */ - int (*next_conj)(struct rsc *rsc); /* Move to next conjugate resource */ + void (*master)(struct rsc *rsc); /* Move to master resource */ + void (*next_conj)(struct rsc *rsc); /* Move to next conjugate resource */ int (*index)(const struct rsc *rsc); /* Return the index of resource */ /* Return the output slot number */ int (*output_slot)(const struct rsc *rsc); diff --git a/sound/pci/ctxfi/ctsrc.c b/sound/pci/ctxfi/ctsrc.c index 37c18ce84974ab549af2a4fd60b859d09b3c3970..7d2bda0c3d3de771fa1a1ea67d45a23e0cdc8235 100644 --- a/sound/pci/ctxfi/ctsrc.c +++ b/sound/pci/ctxfi/ctsrc.c @@ -590,16 +590,15 @@ int src_mgr_destroy(struct src_mgr *src_mgr) /* SRCIMP resource manager operations */ -static int srcimp_master(struct rsc *rsc) +static void srcimp_master(struct rsc *rsc) { rsc->conj = 0; - return rsc->idx = container_of(rsc, struct srcimp, rsc)->idx[0]; + rsc->idx = container_of(rsc, struct srcimp, rsc)->idx[0]; } -static int srcimp_next_conj(struct rsc *rsc) +static void srcimp_next_conj(struct rsc *rsc) { rsc->conj++; - return container_of(rsc, struct srcimp, rsc)->idx[rsc->conj]; } static int srcimp_index(const struct rsc *rsc) diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 326f95ce5ceb1218b905f868bbb84319cddfbfba..c8847de8388f0f90a48282d90a5970a610cbf04b 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -1721,8 +1721,11 @@ void snd_hda_ctls_clear(struct hda_codec *codec) { int i; struct hda_nid_item *items = codec->mixers.list; + + down_write(&codec->card->controls_rwsem); for (i = 0; i < codec->mixers.used; i++) snd_ctl_remove(codec->card, items[i].kctl); + up_write(&codec->card->controls_rwsem); snd_array_free(&codec->mixers); snd_array_free(&codec->nids); } diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 94fc17b28e9c74821e4e9f6a338899b2f6f1ce14..c03448ea8a203eeb6aa217868cddf403c3eac39c 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -1926,6 +1926,7 @@ enum { ALC887_FIXUP_ASUS_BASS, ALC887_FIXUP_BASS_CHMAP, ALC1220_FIXUP_GB_DUAL_CODECS, + ALC1220_FIXUP_GB_X570, ALC1220_FIXUP_CLEVO_P950, ALC1220_FIXUP_CLEVO_PB51ED, ALC1220_FIXUP_CLEVO_PB51ED_PINS, @@ -2115,6 +2116,30 @@ static void alc1220_fixup_gb_dual_codecs(struct hda_codec *codec, } } +static void alc1220_fixup_gb_x570(struct hda_codec *codec, + const struct hda_fixup *fix, + int action) +{ + static const hda_nid_t conn1[] = { 0x0c }; + static const struct coef_fw gb_x570_coefs[] = { + WRITE_COEF(0x07, 0x03c0), + WRITE_COEF(0x1a, 0x01c1), + WRITE_COEF(0x1b, 0x0202), + WRITE_COEF(0x43, 0x3005), + {} + }; + + switch (action) { + case HDA_FIXUP_ACT_PRE_PROBE: + snd_hda_override_conn_list(codec, 0x14, ARRAY_SIZE(conn1), conn1); + snd_hda_override_conn_list(codec, 0x1b, ARRAY_SIZE(conn1), conn1); + break; + case HDA_FIXUP_ACT_INIT: + alc_process_coef_fw(codec, gb_x570_coefs); + break; + } +} + static void alc1220_fixup_clevo_p950(struct hda_codec *codec, const struct hda_fixup *fix, int action) @@ -2417,6 +2442,10 @@ static const struct hda_fixup alc882_fixups[] = { .type = HDA_FIXUP_FUNC, .v.func = alc1220_fixup_gb_dual_codecs, }, + [ALC1220_FIXUP_GB_X570] = { + .type = HDA_FIXUP_FUNC, + .v.func = alc1220_fixup_gb_x570, + }, [ALC1220_FIXUP_CLEVO_P950] = { .type = HDA_FIXUP_FUNC, .v.func = alc1220_fixup_clevo_p950, @@ -2519,8 +2548,9 @@ static const struct snd_pci_quirk alc882_fixup_tbl[] = { SND_PCI_QUIRK(0x13fe, 0x1009, "Advantech MIT-W101", ALC886_FIXUP_EAPD), SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte EP45-DS3/Z87X-UD3H", ALC889_FIXUP_FRONT_HP_NO_PRESENCE), SND_PCI_QUIRK(0x1458, 0xa0b8, "Gigabyte AZ370-Gaming", ALC1220_FIXUP_GB_DUAL_CODECS), - SND_PCI_QUIRK(0x1458, 0xa0cd, "Gigabyte X570 Aorus Master", ALC1220_FIXUP_CLEVO_P950), - SND_PCI_QUIRK(0x1458, 0xa0ce, "Gigabyte X570 Aorus Xtreme", ALC1220_FIXUP_CLEVO_P950), + SND_PCI_QUIRK(0x1458, 0xa0cd, "Gigabyte X570 Aorus Master", ALC1220_FIXUP_GB_X570), + SND_PCI_QUIRK(0x1458, 0xa0ce, "Gigabyte X570 Aorus Xtreme", ALC1220_FIXUP_GB_X570), + SND_PCI_QUIRK(0x1458, 0xa0d5, "Gigabyte X570S Aorus Master", ALC1220_FIXUP_GB_X570), SND_PCI_QUIRK(0x1462, 0x11f7, "MSI-GE63", ALC1220_FIXUP_CLEVO_P950), SND_PCI_QUIRK(0x1462, 0x1228, "MSI-GP63", ALC1220_FIXUP_CLEVO_P950), SND_PCI_QUIRK(0x1462, 0x1229, "MSI-GP73", ALC1220_FIXUP_CLEVO_P950), @@ -2595,6 +2625,7 @@ static const struct hda_model_fixup alc882_fixup_models[] = { {.id = ALC882_FIXUP_NO_PRIMARY_HP, .name = "no-primary-hp"}, {.id = ALC887_FIXUP_ASUS_BASS, .name = "asus-bass"}, {.id = ALC1220_FIXUP_GB_DUAL_CODECS, .name = "dual-codecs"}, + {.id = ALC1220_FIXUP_GB_X570, .name = "gb-x570"}, {.id = ALC1220_FIXUP_CLEVO_P950, .name = "clevo-p950"}, {} }; @@ -8101,6 +8132,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x103c, 0x84da, "HP OMEN dc0019-ur", ALC295_FIXUP_HP_OMEN), SND_PCI_QUIRK(0x103c, 0x84e7, "HP Pavilion 15", ALC269_FIXUP_HP_MUTE_LED_MIC3), SND_PCI_QUIRK(0x103c, 0x8519, "HP Spectre x360 15-df0xxx", ALC285_FIXUP_HP_SPECTRE_X360), + SND_PCI_QUIRK(0x103c, 0x860f, "HP ZBook 15 G6", ALC285_FIXUP_HP_GPIO_AMP_INIT), SND_PCI_QUIRK(0x103c, 0x861f, "HP Elite Dragonfly G1", ALC285_FIXUP_HP_GPIO_AMP_INIT), SND_PCI_QUIRK(0x103c, 0x869d, "HP", ALC236_FIXUP_HP_MUTE_LED), SND_PCI_QUIRK(0x103c, 0x8724, "HP EliteBook 850 G7", ALC285_FIXUP_HP_GPIO_LED), @@ -8151,6 +8183,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1043, 0x1e51, "ASUS Zephyrus M15", ALC294_FIXUP_ASUS_GU502_PINS), SND_PCI_QUIRK(0x1043, 0x1e8e, "ASUS Zephyrus G15", ALC289_FIXUP_ASUS_GA401), SND_PCI_QUIRK(0x1043, 0x1f11, "ASUS Zephyrus G14", ALC289_FIXUP_ASUS_GA401), + SND_PCI_QUIRK(0x1043, 0x16b2, "ASUS GU603", ALC289_FIXUP_ASUS_GA401), SND_PCI_QUIRK(0x1043, 0x3030, "ASUS ZN270IE", ALC256_FIXUP_ASUS_AIO_GPIO2), SND_PCI_QUIRK(0x1043, 0x831a, "ASUS P901", ALC269_FIXUP_STEREO_DMIC), SND_PCI_QUIRK(0x1043, 0x834a, "ASUS S101", ALC269_FIXUP_STEREO_DMIC), @@ -9620,6 +9653,27 @@ static void alc671_fixup_hp_headset_mic2(struct hda_codec *codec, } } +static void alc897_hp_automute_hook(struct hda_codec *codec, + struct hda_jack_callback *jack) +{ + struct alc_spec *spec = codec->spec; + int vref; + + snd_hda_gen_hp_automute(codec, jack); + vref = spec->gen.hp_jack_present ? (PIN_HP | AC_PINCTL_VREF_100) : PIN_HP; + snd_hda_codec_write(codec, 0x1b, 0, AC_VERB_SET_PIN_WIDGET_CONTROL, + vref); +} + +static void alc897_fixup_lenovo_headset_mic(struct hda_codec *codec, + const struct hda_fixup *fix, int action) +{ + struct alc_spec *spec = codec->spec; + if (action == HDA_FIXUP_ACT_PRE_PROBE) { + spec->gen.hp_automute_hook = alc897_hp_automute_hook; + } +} + static const struct coef_fw alc668_coefs[] = { WRITE_COEF(0x01, 0xbebe), WRITE_COEF(0x02, 0xaaaa), WRITE_COEF(0x03, 0x0), WRITE_COEF(0x04, 0x0180), WRITE_COEF(0x06, 0x0), WRITE_COEF(0x07, 0x0f80), @@ -9700,6 +9754,8 @@ enum { ALC668_FIXUP_ASUS_NO_HEADSET_MIC, ALC668_FIXUP_HEADSET_MIC, ALC668_FIXUP_MIC_DET_COEF, + ALC897_FIXUP_LENOVO_HEADSET_MIC, + ALC897_FIXUP_HEADSET_MIC_PIN, }; static const struct hda_fixup alc662_fixups[] = { @@ -10106,6 +10162,19 @@ static const struct hda_fixup alc662_fixups[] = { {} }, }, + [ALC897_FIXUP_LENOVO_HEADSET_MIC] = { + .type = HDA_FIXUP_FUNC, + .v.func = alc897_fixup_lenovo_headset_mic, + }, + [ALC897_FIXUP_HEADSET_MIC_PIN] = { + .type = HDA_FIXUP_PINS, + .v.pins = (const struct hda_pintbl[]) { + { 0x1a, 0x03a11050 }, + { } + }, + .chained = true, + .chain_id = ALC897_FIXUP_LENOVO_HEADSET_MIC + }, }; static const struct snd_pci_quirk alc662_fixup_tbl[] = { @@ -10150,6 +10219,10 @@ static const struct snd_pci_quirk alc662_fixup_tbl[] = { SND_PCI_QUIRK(0x144d, 0xc051, "Samsung R720", ALC662_FIXUP_IDEAPAD), SND_PCI_QUIRK(0x14cd, 0x5003, "USI", ALC662_FIXUP_USI_HEADSET_MODE), SND_PCI_QUIRK(0x17aa, 0x1036, "Lenovo P520", ALC662_FIXUP_LENOVO_MULTI_CODECS), + SND_PCI_QUIRK(0x17aa, 0x32ca, "Lenovo ThinkCentre M80", ALC897_FIXUP_HEADSET_MIC_PIN), + SND_PCI_QUIRK(0x17aa, 0x32cb, "Lenovo ThinkCentre M70", ALC897_FIXUP_HEADSET_MIC_PIN), + SND_PCI_QUIRK(0x17aa, 0x32cf, "Lenovo ThinkCentre M950", ALC897_FIXUP_HEADSET_MIC_PIN), + SND_PCI_QUIRK(0x17aa, 0x32f7, "Lenovo ThinkCentre M90", ALC897_FIXUP_HEADSET_MIC_PIN), SND_PCI_QUIRK(0x17aa, 0x38af, "Lenovo Ideapad Y550P", ALC662_FIXUP_IDEAPAD), SND_PCI_QUIRK(0x17aa, 0x3a0d, "Lenovo Ideapad Y550", ALC662_FIXUP_IDEAPAD), SND_PCI_QUIRK(0x1849, 0x5892, "ASRock B150M", ALC892_FIXUP_ASROCK_MOBO), diff --git a/sound/soc/codecs/cpcap.c b/sound/soc/codecs/cpcap.c index 1902689c5ea2c7f4612c186b535a782070b59ac7..acd88fe38cd4cb4cb917055ebbeec20bb1a3c349 100644 --- a/sound/soc/codecs/cpcap.c +++ b/sound/soc/codecs/cpcap.c @@ -1541,6 +1541,8 @@ static int cpcap_codec_probe(struct platform_device *pdev) { struct device_node *codec_node = of_get_child_by_name(pdev->dev.parent->of_node, "audio-codec"); + if (!codec_node) + return -ENODEV; pdev->dev.of_node = codec_node; diff --git a/sound/soc/codecs/max9759.c b/sound/soc/codecs/max9759.c index 00e9d4fd1651fe570a49dc89a85b7ad37bd25126..0c261335c8a16cbb680738e41484b1a2a91545a9 100644 --- a/sound/soc/codecs/max9759.c +++ b/sound/soc/codecs/max9759.c @@ -64,7 +64,8 @@ static int speaker_gain_control_put(struct snd_kcontrol *kcontrol, struct snd_soc_component *c = snd_soc_kcontrol_component(kcontrol); struct max9759 *priv = snd_soc_component_get_drvdata(c); - if (ucontrol->value.integer.value[0] > 3) + if (ucontrol->value.integer.value[0] < 0 || + ucontrol->value.integer.value[0] > 3) return -EINVAL; priv->gain = ucontrol->value.integer.value[0]; diff --git a/sound/soc/codecs/nau8824.c b/sound/soc/codecs/nau8824.c index 15bd8335f6678203527ee08c46c855f61e4cb44e..c8ccfa2fff848d9fad78929b10a35ec3aa3587de 100644 --- a/sound/soc/codecs/nau8824.c +++ b/sound/soc/codecs/nau8824.c @@ -8,6 +8,7 @@ #include #include +#include #include #include #include @@ -27,6 +28,12 @@ #include "nau8824.h" +#define NAU8824_JD_ACTIVE_HIGH BIT(0) + +static int nau8824_quirk; +static int quirk_override = -1; +module_param_named(quirk, quirk_override, uint, 0444); +MODULE_PARM_DESC(quirk, "Board-specific quirk override"); static int nau8824_config_sysclk(struct nau8824 *nau8824, int clk_id, unsigned int freq); @@ -1875,6 +1882,34 @@ static int nau8824_read_device_properties(struct device *dev, return 0; } +/* Please keep this list alphabetically sorted */ +static const struct dmi_system_id nau8824_quirk_table[] = { + { + /* Cyberbook T116 rugged tablet */ + .matches = { + DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"), + DMI_EXACT_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"), + DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "20170531"), + }, + .driver_data = (void *)(NAU8824_JD_ACTIVE_HIGH), + }, + {} +}; + +static void nau8824_check_quirks(void) +{ + const struct dmi_system_id *dmi_id; + + if (quirk_override != -1) { + nau8824_quirk = quirk_override; + return; + } + + dmi_id = dmi_first_match(nau8824_quirk_table); + if (dmi_id) + nau8824_quirk = (unsigned long)dmi_id->driver_data; +} + static int nau8824_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { @@ -1899,6 +1934,11 @@ static int nau8824_i2c_probe(struct i2c_client *i2c, nau8824->irq = i2c->irq; sema_init(&nau8824->jd_sem, 1); + nau8824_check_quirks(); + + if (nau8824_quirk & NAU8824_JD_ACTIVE_HIGH) + nau8824->jkdet_polarity = 0; + nau8824_print_device_properties(nau8824); ret = regmap_read(nau8824->regmap, NAU8824_REG_I2C_DEVICE_ID, &value); diff --git a/sound/soc/codecs/rt5663.c b/sound/soc/codecs/rt5663.c index 2943692f66edd21a482f4b372625e5a8cffd7a5e..3610be1590fcc9d2fe83fb7309b42a0a9b842eeb 100644 --- a/sound/soc/codecs/rt5663.c +++ b/sound/soc/codecs/rt5663.c @@ -3461,6 +3461,7 @@ static void rt5663_calibrate(struct rt5663_priv *rt5663) static int rt5663_parse_dp(struct rt5663_priv *rt5663, struct device *dev) { int table_size; + int ret; device_property_read_u32(dev, "realtek,dc_offset_l_manual", &rt5663->pdata.dc_offset_l_manual); @@ -3477,9 +3478,11 @@ static int rt5663_parse_dp(struct rt5663_priv *rt5663, struct device *dev) table_size = sizeof(struct impedance_mapping_table) * rt5663->pdata.impedance_sensing_num; rt5663->imp_table = devm_kzalloc(dev, table_size, GFP_KERNEL); - device_property_read_u32_array(dev, + ret = device_property_read_u32_array(dev, "realtek,impedance_sensing_table", (u32 *)rt5663->imp_table, table_size); + if (ret) + return ret; } return 0; @@ -3504,8 +3507,11 @@ static int rt5663_i2c_probe(struct i2c_client *i2c, if (pdata) rt5663->pdata = *pdata; - else - rt5663_parse_dp(rt5663, &i2c->dev); + else { + ret = rt5663_parse_dp(rt5663, &i2c->dev); + if (ret) + return ret; + } for (i = 0; i < ARRAY_SIZE(rt5663->supplies); i++) rt5663->supplies[i].supply = rt5663_supply_names[i]; diff --git a/sound/soc/fsl/pcm030-audio-fabric.c b/sound/soc/fsl/pcm030-audio-fabric.c index af3c3b90c0acab59c88d0050838edcc23a848c0b..83b4a22bf15ac0b8883f3144c55f34d5959f6012 100644 --- a/sound/soc/fsl/pcm030-audio-fabric.c +++ b/sound/soc/fsl/pcm030-audio-fabric.c @@ -93,16 +93,21 @@ static int pcm030_fabric_probe(struct platform_device *op) dev_err(&op->dev, "platform_device_alloc() failed\n"); ret = platform_device_add(pdata->codec_device); - if (ret) + if (ret) { dev_err(&op->dev, "platform_device_add() failed: %d\n", ret); + platform_device_put(pdata->codec_device); + } ret = snd_soc_register_card(card); - if (ret) + if (ret) { dev_err(&op->dev, "snd_soc_register_card() failed: %d\n", ret); + platform_device_del(pdata->codec_device); + platform_device_put(pdata->codec_device); + } platform_set_drvdata(op, pdata); - return ret; + } static int pcm030_fabric_remove(struct platform_device *op) diff --git a/sound/soc/mediatek/mt8173/mt8173-max98090.c b/sound/soc/mediatek/mt8173/mt8173-max98090.c index 22c00600c999fefae5315844ed30a80d2a3cd6cf..de1410c2c446f5b6dd4d998c89f1b98f11065113 100644 --- a/sound/soc/mediatek/mt8173/mt8173-max98090.c +++ b/sound/soc/mediatek/mt8173/mt8173-max98090.c @@ -180,6 +180,9 @@ static int mt8173_max98090_dev_probe(struct platform_device *pdev) if (ret) dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n", __func__, ret); + + of_node_put(codec_node); + of_node_put(platform_node); return ret; } diff --git a/sound/soc/mediatek/mt8173/mt8173-rt5650-rt5514.c b/sound/soc/mediatek/mt8173/mt8173-rt5650-rt5514.c index 8717e87bfe264bfe69a77dc19aebf7b2f1173b9f..6f8542329bab9b38e1e5a42b1f7de6311dbea5fb 100644 --- a/sound/soc/mediatek/mt8173/mt8173-rt5650-rt5514.c +++ b/sound/soc/mediatek/mt8173/mt8173-rt5650-rt5514.c @@ -218,6 +218,8 @@ static int mt8173_rt5650_rt5514_dev_probe(struct platform_device *pdev) if (ret) dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n", __func__, ret); + + of_node_put(platform_node); return ret; } diff --git a/sound/soc/mediatek/mt8173/mt8173-rt5650-rt5676.c b/sound/soc/mediatek/mt8173/mt8173-rt5650-rt5676.c index 9d4dd97211548a8cb0c55a889039f9601d6649e8..727ff0f7f20b1c1de58dff78a9866d49b225aabf 100644 --- a/sound/soc/mediatek/mt8173/mt8173-rt5650-rt5676.c +++ b/sound/soc/mediatek/mt8173/mt8173-rt5650-rt5676.c @@ -285,6 +285,8 @@ static int mt8173_rt5650_rt5676_dev_probe(struct platform_device *pdev) if (ret) dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n", __func__, ret); + + of_node_put(platform_node); return ret; } diff --git a/sound/soc/mediatek/mt8173/mt8173-rt5650.c b/sound/soc/mediatek/mt8173/mt8173-rt5650.c index ef6f2367528679a9334c19a29c18ad162e04485d..21e7d4d3ded5ad3f76bb6c8fdc15d7f2e6950ece 100644 --- a/sound/soc/mediatek/mt8173/mt8173-rt5650.c +++ b/sound/soc/mediatek/mt8173/mt8173-rt5650.c @@ -309,6 +309,8 @@ static int mt8173_rt5650_dev_probe(struct platform_device *pdev) if (ret) dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n", __func__, ret); + + of_node_put(platform_node); return ret; } diff --git a/sound/soc/qcom/qdsp6/q6routing.c b/sound/soc/qcom/qdsp6/q6routing.c index 745cc9dd14f381336f633c6b228b206ac7a889f0..bc65009be875c147f2e9ddd8d923e69570dd3920 100644 --- a/sound/soc/qcom/qdsp6/q6routing.c +++ b/sound/soc/qcom/qdsp6/q6routing.c @@ -440,9 +440,15 @@ static int msm_routing_put_audio_mixer(struct snd_kcontrol *kcontrol, struct session_data *session = &data->sessions[session_id]; if (ucontrol->value.integer.value[0]) { + if (session->port_id == be_id) + return 0; + session->port_id = be_id; snd_soc_dapm_mixer_update_power(dapm, kcontrol, 1, update); } else { + if (session->port_id == -1 || session->port_id != be_id) + return 0; + session->port_id = -1; snd_soc_dapm_mixer_update_power(dapm, kcontrol, 0, update); } diff --git a/sound/soc/samsung/idma.c b/sound/soc/samsung/idma.c index 65497cd477a5065ecb10f85c120281b24bcfcc4c..47f6f5d70853d94a3fa5e7200ab5231bfbfc0b70 100644 --- a/sound/soc/samsung/idma.c +++ b/sound/soc/samsung/idma.c @@ -363,6 +363,8 @@ static int preallocate_idma_buffer(struct snd_pcm *pcm, int stream) buf->addr = idma.lp_tx_addr; buf->bytes = idma_hardware.buffer_bytes_max; buf->area = (unsigned char * __force)ioremap(buf->addr, buf->bytes); + if (!buf->area) + return -ENOMEM; return 0; } diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 66f6b698a5436bf2148e267067bb37e93f5894e7..5876be5dd9bae8061817d0f64028078f7d400e3c 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -2542,8 +2542,13 @@ static struct snd_soc_dapm_widget *dapm_find_widget( return NULL; } -static int snd_soc_dapm_set_pin(struct snd_soc_dapm_context *dapm, - const char *pin, int status) +/* + * set the DAPM pin status: + * returns 1 when the value has been updated, 0 when unchanged, or a negative + * error code; called from kcontrol put callback + */ +static int __snd_soc_dapm_set_pin(struct snd_soc_dapm_context *dapm, + const char *pin, int status) { struct snd_soc_dapm_widget *w = dapm_find_widget(dapm, pin, true); int ret = 0; @@ -2569,6 +2574,18 @@ static int snd_soc_dapm_set_pin(struct snd_soc_dapm_context *dapm, return ret; } +/* + * similar as __snd_soc_dapm_set_pin(), but returns 0 when successful; + * called from several API functions below + */ +static int snd_soc_dapm_set_pin(struct snd_soc_dapm_context *dapm, + const char *pin, int status) +{ + int ret = __snd_soc_dapm_set_pin(dapm, pin, status); + + return ret < 0 ? ret : 0; +} + /** * snd_soc_dapm_sync_unlocked - scan and power dapm paths * @dapm: DAPM context @@ -3584,10 +3601,10 @@ int snd_soc_dapm_put_pin_switch(struct snd_kcontrol *kcontrol, const char *pin = (const char *)kcontrol->private_value; int ret; - if (ucontrol->value.integer.value[0]) - ret = snd_soc_dapm_enable_pin(&card->dapm, pin); - else - ret = snd_soc_dapm_disable_pin(&card->dapm, pin); + mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); + ret = __snd_soc_dapm_set_pin(&card->dapm, pin, + !!ucontrol->value.integer.value[0]); + mutex_unlock(&card->dapm_mutex); snd_soc_dapm_sync(&card->dapm); return ret; diff --git a/sound/soc/soc-ops.c b/sound/soc/soc-ops.c index 95fc24580f85f9dc9ee5b8938e1be8816f1b39cd..ef8fd331526b0f1f88da4a39d1506bddda276136 100644 --- a/sound/soc/soc-ops.c +++ b/sound/soc/soc-ops.c @@ -322,13 +322,27 @@ int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, if (sign_bit) mask = BIT(sign_bit + 1) - 1; - val = ((ucontrol->value.integer.value[0] + min) & mask); + val = ucontrol->value.integer.value[0]; + if (mc->platform_max && val > mc->platform_max) + return -EINVAL; + if (val > max - min) + return -EINVAL; + if (val < 0) + return -EINVAL; + val = (val + min) & mask; if (invert) val = max - val; val_mask = mask << shift; val = val << shift; if (snd_soc_volsw_is_stereo(mc)) { - val2 = ((ucontrol->value.integer.value[1] + min) & mask); + val2 = ucontrol->value.integer.value[1]; + if (mc->platform_max && val2 > mc->platform_max) + return -EINVAL; + if (val2 > max - min) + return -EINVAL; + if (val2 < 0) + return -EINVAL; + val2 = (val2 + min) & mask; if (invert) val2 = max - val2; if (reg == reg2) { @@ -422,8 +436,15 @@ int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, int err = 0; unsigned int val, val_mask, val2 = 0; + val = ucontrol->value.integer.value[0]; + if (mc->platform_max && val > mc->platform_max) + return -EINVAL; + if (val > max - min) + return -EINVAL; + if (val < 0) + return -EINVAL; val_mask = mask << shift; - val = (ucontrol->value.integer.value[0] + min) & mask; + val = (val + min) & mask; val = val << shift; err = snd_soc_component_update_bits(component, reg, val_mask, val); @@ -889,6 +910,8 @@ int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, unsigned int i, regval, regmask; int err; + if (val < mc->min || val > mc->max) + return -EINVAL; if (invert) val = max - val; val &= mask; diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c index c367609433bfc905acb2e155dc6b2c7c801db86d..21f859e56b700b3c14cb99e03b68a4ce182083a2 100644 --- a/sound/soc/soc-topology.c +++ b/sound/soc/soc-topology.c @@ -2777,6 +2777,7 @@ EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_remove_all); /* remove dynamic controls from the component driver */ int snd_soc_tplg_component_remove(struct snd_soc_component *comp, u32 index) { + struct snd_card *card = comp->card->snd_card; struct snd_soc_dobj *dobj, *next_dobj; int pass = SOC_TPLG_PASS_END; @@ -2784,6 +2785,7 @@ int snd_soc_tplg_component_remove(struct snd_soc_component *comp, u32 index) while (pass >= SOC_TPLG_PASS_START) { /* remove mixer controls */ + down_write(&card->controls_rwsem); list_for_each_entry_safe(dobj, next_dobj, &comp->dobj_list, list) { @@ -2827,6 +2829,7 @@ int snd_soc_tplg_component_remove(struct snd_soc_component *comp, u32 index) break; } } + up_write(&card->controls_rwsem); pass--; } diff --git a/sound/soc/sof/intel/hda-dai.c b/sound/soc/sof/intel/hda-dai.c index 3f645200d3a5cc1eb93ee94ecc07544dbec6c9f2..b3cdd10c83ae1a59d9a5eaabd8ac43ff82287c86 100644 --- a/sound/soc/sof/intel/hda-dai.c +++ b/sound/soc/sof/intel/hda-dai.c @@ -67,6 +67,7 @@ static struct hdac_ext_stream * return NULL; } + spin_lock_irq(&bus->reg_lock); list_for_each_entry(stream, &bus->stream_list, list) { struct hdac_ext_stream *hstream = stream_to_hdac_ext_stream(stream); @@ -106,12 +107,12 @@ static struct hdac_ext_stream * * is updated in snd_hdac_ext_stream_decouple(). */ if (!res->decoupled) - snd_hdac_ext_stream_decouple(bus, res, true); - spin_lock_irq(&bus->reg_lock); + snd_hdac_ext_stream_decouple_locked(bus, res, true); + res->link_locked = 1; res->link_substream = substream; - spin_unlock_irq(&bus->reg_lock); } + spin_unlock_irq(&bus->reg_lock); return res; } diff --git a/sound/soc/uniphier/Kconfig b/sound/soc/uniphier/Kconfig index aa3592ee1358b06466dd9a05017142681b9669cc..ddfa6424c656bde0df43e24f80d7739c6fb6c94e 100644 --- a/sound/soc/uniphier/Kconfig +++ b/sound/soc/uniphier/Kconfig @@ -23,7 +23,6 @@ config SND_SOC_UNIPHIER_LD11 tristate "UniPhier LD11/LD20 Device Driver" depends on SND_SOC_UNIPHIER select SND_SOC_UNIPHIER_AIO - select SND_SOC_UNIPHIER_AIO_DMA help This adds ASoC driver for Socionext UniPhier LD11/LD20 input and output that can be used with other codecs. @@ -34,7 +33,6 @@ config SND_SOC_UNIPHIER_PXS2 tristate "UniPhier PXs2 Device Driver" depends on SND_SOC_UNIPHIER select SND_SOC_UNIPHIER_AIO - select SND_SOC_UNIPHIER_AIO_DMA help This adds ASoC driver for Socionext UniPhier PXs2 input and output that can be used with other codecs. diff --git a/sound/soc/xilinx/xlnx_formatter_pcm.c b/sound/soc/xilinx/xlnx_formatter_pcm.c index 1f15c11782ec40e62a33885e3488186bdefc6507..4caee57114b889b136f7bfa3641fec4045eb2b54 100644 --- a/sound/soc/xilinx/xlnx_formatter_pcm.c +++ b/sound/soc/xilinx/xlnx_formatter_pcm.c @@ -37,6 +37,7 @@ #define XLNX_AUD_XFER_COUNT 0x28 #define XLNX_AUD_CH_STS_START 0x2C #define XLNX_BYTES_PER_CH 0x44 +#define XLNX_AUD_ALIGN_BYTES 64 #define AUD_STS_IOC_IRQ_MASK BIT(31) #define AUD_STS_CH_STS_MASK BIT(29) @@ -370,12 +371,32 @@ static int xlnx_formatter_pcm_open(struct snd_pcm_substream *substream) snd_soc_set_runtime_hwparams(substream, &xlnx_pcm_hardware); runtime->private_data = stream_data; - /* Resize the period size divisible by 64 */ + /* Resize the period bytes as divisible by 64 */ err = snd_pcm_hw_constraint_step(runtime, 0, - SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64); + SNDRV_PCM_HW_PARAM_PERIOD_BYTES, + XLNX_AUD_ALIGN_BYTES); if (err) { dev_err(component->dev, - "unable to set constraint on period bytes\n"); + "Unable to set constraint on period bytes\n"); + return err; + } + + /* Resize the buffer bytes as divisible by 64 */ + err = snd_pcm_hw_constraint_step(runtime, 0, + SNDRV_PCM_HW_PARAM_BUFFER_BYTES, + XLNX_AUD_ALIGN_BYTES); + if (err) { + dev_err(component->dev, + "Unable to set constraint on buffer bytes\n"); + return err; + } + + /* Set periods as integer multiple */ + err = snd_pcm_hw_constraint_integer(runtime, + SNDRV_PCM_HW_PARAM_PERIODS); + if (err < 0) { + dev_err(component->dev, + "Unable to set constraint on periods to be integer\n"); return err; } diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h index 01dee2074ab367286005c4fef6c2673d508ae29f..c29ccdf9e8bca948907863857a90fbd98775604c 100644 --- a/sound/usb/quirks-table.h +++ b/sound/usb/quirks-table.h @@ -25,6 +25,16 @@ .idProduct = prod, \ .bInterfaceClass = USB_CLASS_VENDOR_SPEC +/* A standard entry matching with vid/pid and the audio class/subclass */ +#define USB_AUDIO_DEVICE(vend, prod) \ + .match_flags = USB_DEVICE_ID_MATCH_DEVICE | \ + USB_DEVICE_ID_MATCH_INT_CLASS | \ + USB_DEVICE_ID_MATCH_INT_SUBCLASS, \ + .idVendor = vend, \ + .idProduct = prod, \ + .bInterfaceClass = USB_CLASS_AUDIO, \ + .bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL + /* HP Thunderbolt Dock Audio Headset */ { USB_DEVICE(0x03f0, 0x0269), diff --git a/tools/bpf/bpftool/Documentation/Makefile b/tools/bpf/bpftool/Documentation/Makefile index 815ac9804aee921b1b3a0104c36fd91346f242f3..f79bba931cbfb7bacbc276c7cbfbbf52b900a01e 100644 --- a/tools/bpf/bpftool/Documentation/Makefile +++ b/tools/bpf/bpftool/Documentation/Makefile @@ -1,6 +1,5 @@ # SPDX-License-Identifier: GPL-2.0-only include ../../../scripts/Makefile.include -include ../../../scripts/utilities.mak INSTALL ?= install RM ?= rm -f diff --git a/tools/bpf/bpftool/Makefile b/tools/bpf/bpftool/Makefile index 39bc6f0f4f0bb839ade8b6962bff515729f318ea..10ecd9dfeaf3499e08fe2a74bb6224b89ae9790a 100644 --- a/tools/bpf/bpftool/Makefile +++ b/tools/bpf/bpftool/Makefile @@ -1,6 +1,5 @@ # SPDX-License-Identifier: GPL-2.0-only include ../../scripts/Makefile.include -include ../../scripts/utilities.mak ifeq ($(srctree),) srctree := $(patsubst %/,%,$(dir $(CURDIR))) diff --git a/tools/bpf/bpftool/main.c b/tools/bpf/bpftool/main.c index 7d3cfb0ccbe615f125dd369ec8d60c87686c4e4a..4b03983acbefed90b0a899b6e57d42b37e3cf7ee 100644 --- a/tools/bpf/bpftool/main.c +++ b/tools/bpf/bpftool/main.c @@ -362,6 +362,8 @@ int main(int argc, char **argv) }; int opt, ret; + setlinebuf(stdout); + last_do_help = do_help; pretty_output = false; json_output = false; diff --git a/tools/build/Makefile.feature b/tools/build/Makefile.feature index 8c6e1ea67f213fa5b073f9571a9cf908a1c30f2a..1ea26bb8c5791b3aaf1c19ecf8ed11addadac570 100644 --- a/tools/build/Makefile.feature +++ b/tools/build/Makefile.feature @@ -52,7 +52,6 @@ FEATURE_TESTS_BASIC := \ numa_num_possible_cpus \ libperl \ libpython \ - libpython-version \ libslang \ libslang-include-subdir \ libcrypto \ diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile index 054e09ab4a9e439419524dbf0554ffcc7552e2b5..2a261b909dd8df7a97a74dc4189d56190ee43c9e 100644 --- a/tools/build/feature/Makefile +++ b/tools/build/feature/Makefile @@ -30,7 +30,6 @@ FILES= \ test-numa_num_possible_cpus.bin \ test-libperl.bin \ test-libpython.bin \ - test-libpython-version.bin \ test-libslang.bin \ test-libslang-include-subdir.bin \ test-libcrypto.bin \ @@ -214,9 +213,6 @@ $(OUTPUT)test-libperl.bin: $(OUTPUT)test-libpython.bin: $(BUILD) $(FLAGS_PYTHON_EMBED) -$(OUTPUT)test-libpython-version.bin: - $(BUILD) - $(OUTPUT)test-libbfd.bin: $(BUILD) -DPACKAGE='"perf"' -lbfd -ldl diff --git a/tools/build/feature/test-all.c b/tools/build/feature/test-all.c index 88145e8cde1a61d65348ab364eb3708000c0f938..6eaeaf2da36ea3229f29fbe2c682d64e9d705b0e 100644 --- a/tools/build/feature/test-all.c +++ b/tools/build/feature/test-all.c @@ -14,10 +14,6 @@ # include "test-libpython.c" #undef main -#define main main_test_libpython_version -# include "test-libpython-version.c" -#undef main - #define main main_test_libperl # include "test-libperl.c" #undef main @@ -193,7 +189,6 @@ int main(int argc, char *argv[]) { main_test_libpython(); - main_test_libpython_version(); main_test_libperl(); main_test_hello(); main_test_libelf(); diff --git a/tools/build/feature/test-libpython-version.c b/tools/build/feature/test-libpython-version.c deleted file mode 100644 index 47714b942d4d35bf61d4646d797d474e836a8ba9..0000000000000000000000000000000000000000 --- a/tools/build/feature/test-libpython-version.c +++ /dev/null @@ -1,11 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -#include - -#if PY_VERSION_HEX >= 0x03000000 - #error -#endif - -int main(void) -{ - return 0; -} diff --git a/tools/include/nolibc/nolibc.h b/tools/include/nolibc/nolibc.h index 2551e9b71167b3526bcf692bb29cc00658f502ea..b8cecb66d28b7f236a1afc3436f8ce315c27500b 100644 --- a/tools/include/nolibc/nolibc.h +++ b/tools/include/nolibc/nolibc.h @@ -422,16 +422,22 @@ struct stat { }) /* startup code */ +/* + * x86-64 System V ABI mandates: + * 1) %rsp must be 16-byte aligned right before the function call. + * 2) The deepest stack frame should be zero (the %rbp). + * + */ asm(".section .text\n" ".global _start\n" "_start:\n" "pop %rdi\n" // argc (first arg, %rdi) "mov %rsp, %rsi\n" // argv[] (second arg, %rsi) "lea 8(%rsi,%rdi,8),%rdx\n" // then a NULL then envp (third arg, %rdx) - "and $-16, %rsp\n" // x86 ABI : esp must be 16-byte aligned when - "sub $8, %rsp\n" // entering the callee + "xor %ebp, %ebp\n" // zero the stack frame + "and $-16, %rsp\n" // x86 ABI : esp must be 16-byte aligned before call "call main\n" // main() returns the status code, we'll exit with it. - "movzb %al, %rdi\n" // retrieve exit code from 8 lower bits + "mov %eax, %edi\n" // retrieve exit code (32 bit) "mov $60, %rax\n" // NR_exit == 60 "syscall\n" // really exit "hlt\n" // ensure it does not return @@ -600,20 +606,28 @@ struct sys_stat_struct { }) /* startup code */ +/* + * i386 System V ABI mandates: + * 1) last pushed argument must be 16-byte aligned. + * 2) The deepest stack frame should be set to zero + * + */ asm(".section .text\n" ".global _start\n" "_start:\n" "pop %eax\n" // argc (first arg, %eax) "mov %esp, %ebx\n" // argv[] (second arg, %ebx) "lea 4(%ebx,%eax,4),%ecx\n" // then a NULL then envp (third arg, %ecx) - "and $-16, %esp\n" // x86 ABI : esp must be 16-byte aligned when + "xor %ebp, %ebp\n" // zero the stack frame + "and $-16, %esp\n" // x86 ABI : esp must be 16-byte aligned before + "sub $4, %esp\n" // the call instruction (args are aligned) "push %ecx\n" // push all registers on the stack so that we "push %ebx\n" // support both regparm and plain stack modes "push %eax\n" "call main\n" // main() returns the status code in %eax - "movzbl %al, %ebx\n" // retrieve exit code from lower 8 bits - "movl $1, %eax\n" // NR_exit == 1 - "int $0x80\n" // exit now + "mov %eax, %ebx\n" // retrieve exit code (32-bit int) + "movl $1, %eax\n" // NR_exit == 1 + "int $0x80\n" // exit now "hlt\n" // ensure it does not ""); @@ -797,7 +811,6 @@ asm(".section .text\n" "and %r3, %r1, $-8\n" // AAPCS : sp must be 8-byte aligned in the "mov %sp, %r3\n" // callee, an bl doesn't push (lr=pc) "bl main\n" // main() returns the status code, we'll exit with it. - "and %r0, %r0, $0xff\n" // limit exit code to 8 bits "movs r7, $1\n" // NR_exit == 1 "svc $0x00\n" ""); @@ -994,7 +1007,6 @@ asm(".section .text\n" "add x2, x2, x1\n" // + argv "and sp, x1, -16\n" // sp must be 16-byte aligned in the callee "bl main\n" // main() returns the status code, we'll exit with it. - "and x0, x0, 0xff\n" // limit exit code to 8 bits "mov x8, 93\n" // NR_exit == 93 "svc #0\n" ""); @@ -1199,7 +1211,7 @@ asm(".section .text\n" "addiu $sp,$sp,-16\n" // the callee expects to save a0..a3 there! "jal main\n" // main() returns the status code, we'll exit with it. "nop\n" // delayed slot - "and $a0, $v0, 0xff\n" // limit exit code to 8 bits + "move $a0, $v0\n" // retrieve 32-bit exit code from v0 "li $v0, 4001\n" // NR_exit == 4001 "syscall\n" ".end __start\n" @@ -1397,7 +1409,6 @@ asm(".section .text\n" "add a2,a2,a1\n" // + argv "andi sp,a1,-16\n" // sp must be 16-byte aligned "call main\n" // main() returns the status code, we'll exit with it. - "andi a0, a0, 0xff\n" // limit exit code to 8 bits "li a7, 93\n" // NR_exit == 93 "ecall\n" ""); diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index c75c9b03d6e77f511b9fc864c6fae3a634c62b07..7578af25045498b41f939b9cefd99a70041ba65a 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -247,8 +247,6 @@ endif FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS) FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS) -FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS) -FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS) FEATURE_CHECK_LDFLAGS-libaio = -lrt diff --git a/tools/perf/bench/futex-lock-pi.c b/tools/perf/bench/futex-lock-pi.c index 30d97121dc4fb9352ef114cb7e5a0080a1721b10..c54013806ba4a27263d4103addb8ecac8a89336a 100644 --- a/tools/perf/bench/futex-lock-pi.c +++ b/tools/perf/bench/futex-lock-pi.c @@ -224,6 +224,7 @@ int bench_futex_lock_pi(int argc, const char **argv) print_summary(); free(worker); + perf_cpu_map__put(cpu); return ret; err: usage_with_options(bench_futex_lock_pi_usage, options); diff --git a/tools/perf/bench/futex-requeue.c b/tools/perf/bench/futex-requeue.c index a00a6891447ab3dcf3595f82b5526c6cea64ee7c..11b7dbd374864b6c36f266a9807dcc4d3f6436bf 100644 --- a/tools/perf/bench/futex-requeue.c +++ b/tools/perf/bench/futex-requeue.c @@ -215,6 +215,7 @@ int bench_futex_requeue(int argc, const char **argv) print_summary(); free(worker); + perf_cpu_map__put(cpu); return ret; err: usage_with_options(bench_futex_requeue_usage, options); diff --git a/tools/perf/bench/futex-wake-parallel.c b/tools/perf/bench/futex-wake-parallel.c index a053cf2b703974353ce0456e5c1e2a3a5b454259..c3033d0905db154de7b0fa47a64211555bcb22d5 100644 --- a/tools/perf/bench/futex-wake-parallel.c +++ b/tools/perf/bench/futex-wake-parallel.c @@ -319,6 +319,7 @@ int bench_futex_wake_parallel(int argc, const char **argv) print_summary(); free(blocked_worker); + perf_cpu_map__put(cpu); return ret; } #endif /* HAVE_PTHREAD_BARRIER */ diff --git a/tools/perf/bench/futex-wake.c b/tools/perf/bench/futex-wake.c index 58906e9499bb0c5935644f1f52f93bfd35694bb0..ad44a78392dc4530865f983ff67770ca56f37ecf 100644 --- a/tools/perf/bench/futex-wake.c +++ b/tools/perf/bench/futex-wake.c @@ -209,5 +209,6 @@ int bench_futex_wake(int argc, const char **argv) print_summary(); free(worker); + perf_cpu_map__put(cpu); return ret; } diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index d3c0b04e2e22b22714d11eb73a27bb351c0a07a6..dc228bdf2bbc207fab082cf5325c892e8f244999 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -569,14 +569,17 @@ static int report__browse_hists(struct report *rep) int ret; struct perf_session *session = rep->session; struct evlist *evlist = session->evlist; - const char *help = perf_tip(system_path(TIPDIR)); + char *help = NULL, *path = NULL; - if (help == NULL) { + path = system_path(TIPDIR); + if (perf_tip(&help, path) || help == NULL) { /* fallback for people who don't install perf ;-) */ - help = perf_tip(DOCDIR); - if (help == NULL) - help = "Cannot load tips.txt file, please install perf!"; + free(path); + path = system_path(DOCDIR); + if (perf_tip(&help, path) || help == NULL) + help = strdup("Cannot load tips.txt file, please install perf!"); } + free(path); switch (use_browser) { case 1: @@ -598,7 +601,7 @@ static int report__browse_hists(struct report *rep) ret = perf_evlist__tty_browse_hists(evlist, rep, help); break; } - + free(help); return ret; } diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index 3a169a026635d853b88a698258fbda19dac2ab7f..bbf1f2d3387e398218c1b3d9e7a1cb6767b7e1e3 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -2308,7 +2308,7 @@ static int process_switch_event(struct perf_tool *tool, if (perf_event__process_switch(tool, event, sample, machine) < 0) return -1; - if (scripting_ops && scripting_ops->process_switch) + if (scripting_ops && scripting_ops->process_switch && !filter_cpu(sample)) scripting_ops->process_switch(event, sample, machine); if (!script->show_switch_events) diff --git a/tools/perf/tests/shell/record+zstd_comp_decomp.sh b/tools/perf/tests/shell/record+zstd_comp_decomp.sh index 045723b3d9928f7e25acfee6ed63e9d6b8588931..c62af807198deda8f7634dd67a745e09e49bb5a5 100755 --- a/tools/perf/tests/shell/record+zstd_comp_decomp.sh +++ b/tools/perf/tests/shell/record+zstd_comp_decomp.sh @@ -12,7 +12,7 @@ skip_if_no_z_record() { collect_z_record() { echo "Collecting compressed record file:" - [[ "$(uname -m)" != s390x ]] && gflag='-g' + [ "$(uname -m)" != s390x ] && gflag='-g' $perf_tool record -o $trace_file $gflag -z -F 5000 -- \ dd count=500 if=/dev/urandom of=/dev/null } diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c index f736755000616e9421dfa03d33d22c0f2793a8e7..9ae316445f04bd3f9424849da13a7cdf67c1d0e8 100644 --- a/tools/perf/ui/hist.c +++ b/tools/perf/ui/hist.c @@ -472,6 +472,18 @@ struct perf_hpp_list perf_hpp_list = { #undef __HPP_SORT_ACC_FN #undef __HPP_SORT_RAW_FN +static void fmt_free(struct perf_hpp_fmt *fmt) +{ + /* + * At this point fmt should be completely + * unhooked, if not it's a bug. + */ + BUG_ON(!list_empty(&fmt->list)); + BUG_ON(!list_empty(&fmt->sort_list)); + + if (fmt->free) + fmt->free(fmt); +} void perf_hpp__init(void) { @@ -535,9 +547,10 @@ void perf_hpp_list__prepend_sort_field(struct perf_hpp_list *list, list_add(&format->sort_list, &list->sorts); } -void perf_hpp__column_unregister(struct perf_hpp_fmt *format) +static void perf_hpp__column_unregister(struct perf_hpp_fmt *format) { list_del_init(&format->list); + fmt_free(format); } void perf_hpp__cancel_cumulate(void) @@ -609,19 +622,6 @@ void perf_hpp__append_sort_keys(struct perf_hpp_list *list) } -static void fmt_free(struct perf_hpp_fmt *fmt) -{ - /* - * At this point fmt should be completely - * unhooked, if not it's a bug. - */ - BUG_ON(!list_empty(&fmt->list)); - BUG_ON(!list_empty(&fmt->sort_list)); - - if (fmt->free) - fmt->free(fmt); -} - void perf_hpp__reset_output_field(struct perf_hpp_list *list) { struct perf_hpp_fmt *fmt, *tmp; diff --git a/tools/perf/util/bpf-event.c b/tools/perf/util/bpf-event.c index c766813d56be0a4ac7392c11e75cc9cff78ee4b8..782c0c8a9a83662b8f5cf10aa94c26da246b680a 100644 --- a/tools/perf/util/bpf-event.c +++ b/tools/perf/util/bpf-event.c @@ -108,7 +108,11 @@ static int perf_env__fetch_btf(struct perf_env *env, node->data_size = data_size; memcpy(node->data, data, data_size); - perf_env__insert_btf(env, node); + if (!perf_env__insert_btf(env, node)) { + /* Insertion failed because of a duplicate. */ + free(node); + return -1; + } return 0; } diff --git a/tools/perf/util/debug.c b/tools/perf/util/debug.c index e55114f0336f01f116c41f123d4dec9129001ada..682146d0437934314fe68655ab10f6fbbd94fb5f 100644 --- a/tools/perf/util/debug.c +++ b/tools/perf/util/debug.c @@ -143,7 +143,7 @@ static int trace_event_printer(enum binary_printer_ops op, break; case BINARY_PRINT_CHAR_DATA: printed += color_fprintf(fp, color, "%c", - isprint(ch) ? ch : '.'); + isprint(ch) && isascii(ch) ? ch : '.'); break; case BINARY_PRINT_CHAR_PAD: printed += color_fprintf(fp, color, " "); diff --git a/tools/perf/util/env.c b/tools/perf/util/env.c index 0fafcf264d235abcac353369237a43ab54ed9b73..ef64e197bc8df475d9c8ecc0e438084bd121d701 100644 --- a/tools/perf/util/env.c +++ b/tools/perf/util/env.c @@ -69,12 +69,13 @@ struct bpf_prog_info_node *perf_env__find_bpf_prog_info(struct perf_env *env, return node; } -void perf_env__insert_btf(struct perf_env *env, struct btf_node *btf_node) +bool perf_env__insert_btf(struct perf_env *env, struct btf_node *btf_node) { struct rb_node *parent = NULL; __u32 btf_id = btf_node->id; struct btf_node *node; struct rb_node **p; + bool ret = true; down_write(&env->bpf_progs.lock); p = &env->bpf_progs.btfs.rb_node; @@ -88,6 +89,7 @@ void perf_env__insert_btf(struct perf_env *env, struct btf_node *btf_node) p = &(*p)->rb_right; } else { pr_debug("duplicated btf %u\n", btf_id); + ret = false; goto out; } } @@ -97,6 +99,7 @@ void perf_env__insert_btf(struct perf_env *env, struct btf_node *btf_node) env->bpf_progs.btfs_cnt++; out: up_write(&env->bpf_progs.lock); + return ret; } struct btf_node *perf_env__find_btf(struct perf_env *env, __u32 btf_id) diff --git a/tools/perf/util/env.h b/tools/perf/util/env.h index db40906e29373e40804f6aa140610345afb75277..37028215d4a535e9eb5333dc74671d93d35266e7 100644 --- a/tools/perf/util/env.h +++ b/tools/perf/util/env.h @@ -117,6 +117,6 @@ void perf_env__insert_bpf_prog_info(struct perf_env *env, struct bpf_prog_info_node *info_node); struct bpf_prog_info_node *perf_env__find_bpf_prog_info(struct perf_env *env, __u32 prog_id); -void perf_env__insert_btf(struct perf_env *env, struct btf_node *btf_node); +bool perf_env__insert_btf(struct perf_env *env, struct btf_node *btf_node); struct btf_node *perf_env__find_btf(struct perf_env *env, __u32 btf_id); #endif /* __PERF_ENV_H */ diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h index 4792731307947c18001627a0155997b4c35e8862..ecce30f086de7911765d48999150eecb6815c0df 100644 --- a/tools/perf/util/hist.h +++ b/tools/perf/util/hist.h @@ -361,7 +361,6 @@ enum { }; void perf_hpp__init(void); -void perf_hpp__column_unregister(struct perf_hpp_fmt *format); void perf_hpp__cancel_cumulate(void); void perf_hpp__setup_output_field(struct perf_hpp_list *list); void perf_hpp__reset_output_field(struct perf_hpp_list *list); diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c index 6357ac508ad1e231f875efb67a0a8ddcdf59e20b..67b7d2af1755d622de5b91d2c4cb5a9e89867bf8 100644 --- a/tools/perf/util/probe-event.c +++ b/tools/perf/util/probe-event.c @@ -2954,6 +2954,9 @@ static int find_probe_trace_events_from_map(struct perf_probe_event *pev, for (j = 0; j < num_matched_functions; j++) { sym = syms[j]; + if (sym->type != STT_FUNC) + continue; + tev = (*tevs) + ret; tp = &tev->point; if (ret == num_matched_functions) { diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c index ae56c766eda16e0d51560fcea4532843d2c96bb8..b3c1ae288b4784c39c005207d934a40bf433778b 100644 --- a/tools/perf/util/util.c +++ b/tools/perf/util/util.c @@ -343,32 +343,32 @@ fetch_kernel_version(unsigned int *puint, char *str, return 0; } -const char *perf_tip(const char *dirpath) +int perf_tip(char **strp, const char *dirpath) { struct strlist *tips; struct str_node *node; - char *tip = NULL; struct strlist_config conf = { .dirname = dirpath, .file_only = true, }; + int ret = 0; + *strp = NULL; tips = strlist__new("tips.txt", &conf); if (tips == NULL) - return errno == ENOENT ? NULL : - "Tip: check path of tips.txt or get more memory! ;-p"; + return -errno; if (strlist__nr_entries(tips) == 0) goto out; node = strlist__entry(tips, random() % strlist__nr_entries(tips)); - if (asprintf(&tip, "Tip: %s", node->s) < 0) - tip = (char *)"Tip: get more memory! ;-)"; + if (asprintf(strp, "Tip: %s", node->s) < 0) + ret = -ENOMEM; out: strlist__delete(tips); - return tip; + return ret; } char *perf_exe(char *buf, int len) diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h index 9969b8b46f7c37756219db848f182136a59265a7..e4a7e1cafc70a9207bff866658e2844ab3362a4a 100644 --- a/tools/perf/util/util.h +++ b/tools/perf/util/util.h @@ -37,7 +37,7 @@ int fetch_kernel_version(unsigned int *puint, #define KVER_FMT "%d.%d.%d" #define KVER_PARAM(x) KVER_VERSION(x), KVER_PATCHLEVEL(x), KVER_SUBLEVEL(x) -const char *perf_tip(const char *dirpath); +int perf_tip(char **strp, const char *dirpath); #ifndef HAVE_SCHED_GETCPU_SUPPORT int sched_getcpu(void); diff --git a/tools/testing/selftests/bpf/verifier/xdp_direct_packet_access.c b/tools/testing/selftests/bpf/verifier/xdp_direct_packet_access.c index bfb97383e6b5ae2c7e10c0e8294d4dd115b61954..b4ec228eb95d05e02ef416351c4c9578b38b983b 100644 --- a/tools/testing/selftests/bpf/verifier/xdp_direct_packet_access.c +++ b/tools/testing/selftests/bpf/verifier/xdp_direct_packet_access.c @@ -35,7 +35,7 @@ .prog_type = BPF_PROG_TYPE_XDP, }, { - "XDP pkt read, pkt_data' > pkt_end, good access", + "XDP pkt read, pkt_data' > pkt_end, corner case, good access", .insns = { BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)), BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, @@ -87,6 +87,41 @@ .prog_type = BPF_PROG_TYPE_XDP, .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, +{ + "XDP pkt read, pkt_data' > pkt_end, corner case +1, good access", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, + offsetof(struct xdp_md, data_end)), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 9), + BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -9), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, +}, +{ + "XDP pkt read, pkt_data' > pkt_end, corner case -1, bad access", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, + offsetof(struct xdp_md, data_end)), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7), + BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .errstr = "R1 offset is outside of the packet", + .result = REJECT, + .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, +}, { "XDP pkt read, pkt_end > pkt_data', good access", .insns = { @@ -106,16 +141,16 @@ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { - "XDP pkt read, pkt_end > pkt_data', bad access 1", + "XDP pkt read, pkt_end > pkt_data', corner case -1, bad access", .insns = { BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)), BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data_end)), BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), - BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 6), BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1), BPF_JMP_IMM(BPF_JA, 0, 0, 1), - BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -6), BPF_MOV64_IMM(BPF_REG_0, 0), BPF_EXIT_INSN(), }, @@ -142,6 +177,42 @@ .prog_type = BPF_PROG_TYPE_XDP, .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, +{ + "XDP pkt read, pkt_end > pkt_data', corner case, good access", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, + offsetof(struct xdp_md, data_end)), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7), + BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1), + BPF_JMP_IMM(BPF_JA, 0, 0, 1), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, +}, +{ + "XDP pkt read, pkt_end > pkt_data', corner case +1, good access", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, + offsetof(struct xdp_md, data_end)), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), + BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1), + BPF_JMP_IMM(BPF_JA, 0, 0, 1), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, +}, { "XDP pkt read, pkt_data' < pkt_end, good access", .insns = { @@ -161,16 +232,16 @@ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { - "XDP pkt read, pkt_data' < pkt_end, bad access 1", + "XDP pkt read, pkt_data' < pkt_end, corner case -1, bad access", .insns = { BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)), BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data_end)), BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), - BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 6), BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1), BPF_JMP_IMM(BPF_JA, 0, 0, 1), - BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -6), BPF_MOV64_IMM(BPF_REG_0, 0), BPF_EXIT_INSN(), }, @@ -198,7 +269,43 @@ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { - "XDP pkt read, pkt_end < pkt_data', good access", + "XDP pkt read, pkt_data' < pkt_end, corner case, good access", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, + offsetof(struct xdp_md, data_end)), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7), + BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1), + BPF_JMP_IMM(BPF_JA, 0, 0, 1), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, +}, +{ + "XDP pkt read, pkt_data' < pkt_end, corner case +1, good access", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, + offsetof(struct xdp_md, data_end)), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), + BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1), + BPF_JMP_IMM(BPF_JA, 0, 0, 1), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, +}, +{ + "XDP pkt read, pkt_end < pkt_data', corner case, good access", .insns = { BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)), BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, @@ -250,6 +357,41 @@ .prog_type = BPF_PROG_TYPE_XDP, .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, +{ + "XDP pkt read, pkt_end < pkt_data', corner case +1, good access", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, + offsetof(struct xdp_md, data_end)), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 9), + BPF_JMP_REG(BPF_JLT, BPF_REG_3, BPF_REG_1, 1), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -9), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, +}, +{ + "XDP pkt read, pkt_end < pkt_data', corner case -1, bad access", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, + offsetof(struct xdp_md, data_end)), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7), + BPF_JMP_REG(BPF_JLT, BPF_REG_3, BPF_REG_1, 1), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .errstr = "R1 offset is outside of the packet", + .result = REJECT, + .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, +}, { "XDP pkt read, pkt_data' >= pkt_end, good access", .insns = { @@ -268,15 +410,15 @@ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { - "XDP pkt read, pkt_data' >= pkt_end, bad access 1", + "XDP pkt read, pkt_data' >= pkt_end, corner case -1, bad access", .insns = { BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)), BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data_end)), BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), - BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 6), BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 1), - BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -6), BPF_MOV64_IMM(BPF_REG_0, 0), BPF_EXIT_INSN(), }, @@ -304,7 +446,41 @@ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { - "XDP pkt read, pkt_end >= pkt_data', good access", + "XDP pkt read, pkt_data' >= pkt_end, corner case, good access", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, + offsetof(struct xdp_md, data_end)), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7), + BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 1), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, +}, +{ + "XDP pkt read, pkt_data' >= pkt_end, corner case +1, good access", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, + offsetof(struct xdp_md, data_end)), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), + BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 1), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, +}, +{ + "XDP pkt read, pkt_end >= pkt_data', corner case, good access", .insns = { BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)), BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, @@ -359,7 +535,44 @@ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { - "XDP pkt read, pkt_data' <= pkt_end, good access", + "XDP pkt read, pkt_end >= pkt_data', corner case +1, good access", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, + offsetof(struct xdp_md, data_end)), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 9), + BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 1), + BPF_JMP_IMM(BPF_JA, 0, 0, 1), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -9), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, +}, +{ + "XDP pkt read, pkt_end >= pkt_data', corner case -1, bad access", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, + offsetof(struct xdp_md, data_end)), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7), + BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 1), + BPF_JMP_IMM(BPF_JA, 0, 0, 1), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .errstr = "R1 offset is outside of the packet", + .result = REJECT, + .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, +}, +{ + "XDP pkt read, pkt_data' <= pkt_end, corner case, good access", .insns = { BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)), BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, @@ -413,6 +626,43 @@ .prog_type = BPF_PROG_TYPE_XDP, .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, +{ + "XDP pkt read, pkt_data' <= pkt_end, corner case +1, good access", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, + offsetof(struct xdp_md, data_end)), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 9), + BPF_JMP_REG(BPF_JLE, BPF_REG_1, BPF_REG_3, 1), + BPF_JMP_IMM(BPF_JA, 0, 0, 1), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -9), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, +}, +{ + "XDP pkt read, pkt_data' <= pkt_end, corner case -1, bad access", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, + offsetof(struct xdp_md, data_end)), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7), + BPF_JMP_REG(BPF_JLE, BPF_REG_1, BPF_REG_3, 1), + BPF_JMP_IMM(BPF_JA, 0, 0, 1), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .errstr = "R1 offset is outside of the packet", + .result = REJECT, + .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, +}, { "XDP pkt read, pkt_end <= pkt_data', good access", .insns = { @@ -431,15 +681,15 @@ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { - "XDP pkt read, pkt_end <= pkt_data', bad access 1", + "XDP pkt read, pkt_end <= pkt_data', corner case -1, bad access", .insns = { BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)), BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data_end)), BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), - BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 6), BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 1), - BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -6), BPF_MOV64_IMM(BPF_REG_0, 0), BPF_EXIT_INSN(), }, @@ -467,7 +717,41 @@ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { - "XDP pkt read, pkt_meta' > pkt_data, good access", + "XDP pkt read, pkt_end <= pkt_data', corner case, good access", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, + offsetof(struct xdp_md, data_end)), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7), + BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 1), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, +}, +{ + "XDP pkt read, pkt_end <= pkt_data', corner case +1, good access", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, + offsetof(struct xdp_md, data_end)), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), + BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 1), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, +}, +{ + "XDP pkt read, pkt_meta' > pkt_data, corner case, good access", .insns = { BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data_meta)), @@ -519,6 +803,41 @@ .prog_type = BPF_PROG_TYPE_XDP, .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, +{ + "XDP pkt read, pkt_meta' > pkt_data, corner case +1, good access", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, + offsetof(struct xdp_md, data_meta)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 9), + BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -9), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, +}, +{ + "XDP pkt read, pkt_meta' > pkt_data, corner case -1, bad access", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, + offsetof(struct xdp_md, data_meta)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7), + BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .errstr = "R1 offset is outside of the packet", + .result = REJECT, + .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, +}, { "XDP pkt read, pkt_data > pkt_meta', good access", .insns = { @@ -538,16 +857,16 @@ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { - "XDP pkt read, pkt_data > pkt_meta', bad access 1", + "XDP pkt read, pkt_data > pkt_meta', corner case -1, bad access", .insns = { BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data_meta)), BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)), BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), - BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 6), BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1), BPF_JMP_IMM(BPF_JA, 0, 0, 1), - BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -6), BPF_MOV64_IMM(BPF_REG_0, 0), BPF_EXIT_INSN(), }, @@ -574,6 +893,42 @@ .prog_type = BPF_PROG_TYPE_XDP, .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, +{ + "XDP pkt read, pkt_data > pkt_meta', corner case, good access", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, + offsetof(struct xdp_md, data_meta)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7), + BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1), + BPF_JMP_IMM(BPF_JA, 0, 0, 1), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, +}, +{ + "XDP pkt read, pkt_data > pkt_meta', corner case +1, good access", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, + offsetof(struct xdp_md, data_meta)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), + BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_1, 1), + BPF_JMP_IMM(BPF_JA, 0, 0, 1), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, +}, { "XDP pkt read, pkt_meta' < pkt_data, good access", .insns = { @@ -593,16 +948,16 @@ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { - "XDP pkt read, pkt_meta' < pkt_data, bad access 1", + "XDP pkt read, pkt_meta' < pkt_data, corner case -1, bad access", .insns = { BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data_meta)), BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)), BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), - BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 6), BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1), BPF_JMP_IMM(BPF_JA, 0, 0, 1), - BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -6), BPF_MOV64_IMM(BPF_REG_0, 0), BPF_EXIT_INSN(), }, @@ -630,7 +985,43 @@ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { - "XDP pkt read, pkt_data < pkt_meta', good access", + "XDP pkt read, pkt_meta' < pkt_data, corner case, good access", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, + offsetof(struct xdp_md, data_meta)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7), + BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1), + BPF_JMP_IMM(BPF_JA, 0, 0, 1), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, +}, +{ + "XDP pkt read, pkt_meta' < pkt_data, corner case +1, good access", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, + offsetof(struct xdp_md, data_meta)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), + BPF_JMP_REG(BPF_JLT, BPF_REG_1, BPF_REG_3, 1), + BPF_JMP_IMM(BPF_JA, 0, 0, 1), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, +}, +{ + "XDP pkt read, pkt_data < pkt_meta', corner case, good access", .insns = { BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data_meta)), @@ -682,6 +1073,41 @@ .prog_type = BPF_PROG_TYPE_XDP, .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, +{ + "XDP pkt read, pkt_data < pkt_meta', corner case +1, good access", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, + offsetof(struct xdp_md, data_meta)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 9), + BPF_JMP_REG(BPF_JLT, BPF_REG_3, BPF_REG_1, 1), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -9), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, +}, +{ + "XDP pkt read, pkt_data < pkt_meta', corner case -1, bad access", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, + offsetof(struct xdp_md, data_meta)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7), + BPF_JMP_REG(BPF_JLT, BPF_REG_3, BPF_REG_1, 1), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .errstr = "R1 offset is outside of the packet", + .result = REJECT, + .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, +}, { "XDP pkt read, pkt_meta' >= pkt_data, good access", .insns = { @@ -700,15 +1126,15 @@ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { - "XDP pkt read, pkt_meta' >= pkt_data, bad access 1", + "XDP pkt read, pkt_meta' >= pkt_data, corner case -1, bad access", .insns = { BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data_meta)), BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)), BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), - BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 6), BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 1), - BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -6), BPF_MOV64_IMM(BPF_REG_0, 0), BPF_EXIT_INSN(), }, @@ -736,7 +1162,41 @@ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { - "XDP pkt read, pkt_data >= pkt_meta', good access", + "XDP pkt read, pkt_meta' >= pkt_data, corner case, good access", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, + offsetof(struct xdp_md, data_meta)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7), + BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 1), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, +}, +{ + "XDP pkt read, pkt_meta' >= pkt_data, corner case +1, good access", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, + offsetof(struct xdp_md, data_meta)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), + BPF_JMP_REG(BPF_JGE, BPF_REG_1, BPF_REG_3, 1), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, +}, +{ + "XDP pkt read, pkt_data >= pkt_meta', corner case, good access", .insns = { BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data_meta)), @@ -791,7 +1251,44 @@ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { - "XDP pkt read, pkt_meta' <= pkt_data, good access", + "XDP pkt read, pkt_data >= pkt_meta', corner case +1, good access", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, + offsetof(struct xdp_md, data_meta)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 9), + BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 1), + BPF_JMP_IMM(BPF_JA, 0, 0, 1), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -9), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, +}, +{ + "XDP pkt read, pkt_data >= pkt_meta', corner case -1, bad access", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, + offsetof(struct xdp_md, data_meta)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7), + BPF_JMP_REG(BPF_JGE, BPF_REG_3, BPF_REG_1, 1), + BPF_JMP_IMM(BPF_JA, 0, 0, 1), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .errstr = "R1 offset is outside of the packet", + .result = REJECT, + .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, +}, +{ + "XDP pkt read, pkt_meta' <= pkt_data, corner case, good access", .insns = { BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data_meta)), @@ -845,6 +1342,43 @@ .prog_type = BPF_PROG_TYPE_XDP, .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, +{ + "XDP pkt read, pkt_meta' <= pkt_data, corner case +1, good access", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, + offsetof(struct xdp_md, data_meta)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 9), + BPF_JMP_REG(BPF_JLE, BPF_REG_1, BPF_REG_3, 1), + BPF_JMP_IMM(BPF_JA, 0, 0, 1), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -9), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, +}, +{ + "XDP pkt read, pkt_meta' <= pkt_data, corner case -1, bad access", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, + offsetof(struct xdp_md, data_meta)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7), + BPF_JMP_REG(BPF_JLE, BPF_REG_1, BPF_REG_3, 1), + BPF_JMP_IMM(BPF_JA, 0, 0, 1), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .errstr = "R1 offset is outside of the packet", + .result = REJECT, + .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, +}, { "XDP pkt read, pkt_data <= pkt_meta', good access", .insns = { @@ -863,15 +1397,15 @@ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { - "XDP pkt read, pkt_data <= pkt_meta', bad access 1", + "XDP pkt read, pkt_data <= pkt_meta', corner case -1, bad access", .insns = { BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, offsetof(struct xdp_md, data_meta)), BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)), BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), - BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 6), BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 1), - BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -6), BPF_MOV64_IMM(BPF_REG_0, 0), BPF_EXIT_INSN(), }, @@ -898,3 +1432,37 @@ .prog_type = BPF_PROG_TYPE_XDP, .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, +{ + "XDP pkt read, pkt_data <= pkt_meta', corner case, good access", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, + offsetof(struct xdp_md, data_meta)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 7), + BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 1), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -7), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, +}, +{ + "XDP pkt read, pkt_data <= pkt_meta', corner case +1, good access", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, + offsetof(struct xdp_md, data_meta)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, offsetof(struct xdp_md, data)), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 8), + BPF_JMP_REG(BPF_JLE, BPF_REG_3, BPF_REG_1, 1), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, -8), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, +}, diff --git a/tools/testing/selftests/futex/Makefile b/tools/testing/selftests/futex/Makefile index 12631f0076a10274dff566228b05748e9a217be0..11e157d7533b8fbaf5ac691b3df7057e0ff558c1 100644 --- a/tools/testing/selftests/futex/Makefile +++ b/tools/testing/selftests/futex/Makefile @@ -11,7 +11,7 @@ all: @for DIR in $(SUBDIRS); do \ BUILD_TARGET=$(OUTPUT)/$$DIR; \ mkdir $$BUILD_TARGET -p; \ - make OUTPUT=$$BUILD_TARGET -C $$DIR $@;\ + $(MAKE) OUTPUT=$$BUILD_TARGET -C $$DIR $@;\ if [ -e $$DIR/$(TEST_PROGS) ]; then \ rsync -a $$DIR/$(TEST_PROGS) $$BUILD_TARGET/; \ fi \ @@ -32,6 +32,6 @@ override define CLEAN @for DIR in $(SUBDIRS); do \ BUILD_TARGET=$(OUTPUT)/$$DIR; \ mkdir $$BUILD_TARGET -p; \ - make OUTPUT=$$BUILD_TARGET -C $$DIR $@;\ + $(MAKE) OUTPUT=$$BUILD_TARGET -C $$DIR $@;\ done endef diff --git a/tools/testing/selftests/kvm/kvm_create_max_vcpus.c b/tools/testing/selftests/kvm/kvm_create_max_vcpus.c index 231d79e57774e6e3633e7bd2792158ce9f2eac19..cfe75536d8a5597a4669953bc9c39df5915f4df8 100644 --- a/tools/testing/selftests/kvm/kvm_create_max_vcpus.c +++ b/tools/testing/selftests/kvm/kvm_create_max_vcpus.c @@ -12,6 +12,7 @@ #include #include #include +#include #include "test_util.h" @@ -43,10 +44,39 @@ int main(int argc, char *argv[]) { int kvm_max_vcpu_id = kvm_check_cap(KVM_CAP_MAX_VCPU_ID); int kvm_max_vcpus = kvm_check_cap(KVM_CAP_MAX_VCPUS); + /* + * Number of file descriptors reqired, KVM_CAP_MAX_VCPUS for vCPU fds + + * an arbitrary number for everything else. + */ + int nr_fds_wanted = kvm_max_vcpus + 100; + struct rlimit rl; printf("KVM_CAP_MAX_VCPU_ID: %d\n", kvm_max_vcpu_id); printf("KVM_CAP_MAX_VCPUS: %d\n", kvm_max_vcpus); + /* + * Check that we're allowed to open nr_fds_wanted file descriptors and + * try raising the limits if needed. + */ + TEST_ASSERT(!getrlimit(RLIMIT_NOFILE, &rl), "getrlimit() failed!"); + + if (rl.rlim_cur < nr_fds_wanted) { + rl.rlim_cur = nr_fds_wanted; + if (rl.rlim_max < nr_fds_wanted) { + int old_rlim_max = rl.rlim_max; + rl.rlim_max = nr_fds_wanted; + + int r = setrlimit(RLIMIT_NOFILE, &rl); + if (r < 0) { + printf("RLIMIT_NOFILE hard limit is too low (%d, wanted %d)\n", + old_rlim_max, nr_fds_wanted); + exit(KSFT_SKIP); + } + } else { + TEST_ASSERT(!setrlimit(RLIMIT_NOFILE, &rl), "setrlimit() failed!"); + } + } + /* * Upstream KVM prior to 4.8 does not support KVM_CAP_MAX_VCPU_ID. * Userspace is supposed to use KVM_CAP_MAX_VCPUS as the maximum ID diff --git a/tools/testing/selftests/net/fcnal-test.sh b/tools/testing/selftests/net/fcnal-test.sh index 38133da2973d41aa1b0d18310ac6de4c1e8fa26b..157822331954d16d9deb68c2090cd943f5c3388c 100755 --- a/tools/testing/selftests/net/fcnal-test.sh +++ b/tools/testing/selftests/net/fcnal-test.sh @@ -1491,8 +1491,9 @@ ipv4_addr_bind_vrf() for a in ${NSA_IP} ${VRF_IP} do log_start + show_hint "Socket not bound to VRF, but address is in VRF" run_cmd nettest -s -R -P icmp -l ${a} -b - log_test_addr ${a} $? 0 "Raw socket bind to local address" + log_test_addr ${a} $? 1 "Raw socket bind to local address" log_start run_cmd nettest -s -R -P icmp -l ${a} -d ${NSA_DEV} -b @@ -1884,7 +1885,7 @@ ipv6_ping_vrf() log_start show_hint "Fails since VRF device does not support linklocal or multicast" run_cmd ${ping6} -c1 -w1 ${a} - log_test_addr ${a} $? 2 "ping out, VRF bind" + log_test_addr ${a} $? 1 "ping out, VRF bind" done for a in ${NSB_IP6} ${NSB_LO_IP6} ${NSB_LINKIP6}%${NSA_DEV} ${MCAST}%${NSA_DEV} @@ -2890,11 +2891,14 @@ ipv6_addr_bind_novrf() run_cmd nettest -6 -s -l ${a} -d ${NSA_DEV} -t1 -b log_test_addr ${a} $? 0 "TCP socket bind to local address after device bind" + # Sadly, the kernel allows binding a socket to a device and then + # binding to an address not on the device. So this test passes + # when it really should not a=${NSA_LO_IP6} log_start - show_hint "Should fail with 'Cannot assign requested address'" - run_cmd nettest -6 -s -l ${a} -d ${NSA_DEV} -t1 -b - log_test_addr ${a} $? 1 "TCP socket bind to out of scope local address" + show_hint "Tecnically should fail since address is not on device but kernel allows" + run_cmd nettest -6 -s -l ${a} -I ${NSA_DEV} -t1 -b + log_test_addr ${a} $? 0 "TCP socket bind to out of scope local address" } ipv6_addr_bind_vrf() @@ -2935,10 +2939,15 @@ ipv6_addr_bind_vrf() run_cmd nettest -6 -s -l ${a} -d ${NSA_DEV} -t1 -b log_test_addr ${a} $? 0 "TCP socket bind to local address with device bind" + # Sadly, the kernel allows binding a socket to a device and then + # binding to an address not on the device. The only restriction + # is that the address is valid in the L3 domain. So this test + # passes when it really should not a=${VRF_IP6} log_start - run_cmd nettest -6 -s -l ${a} -d ${NSA_DEV} -t1 -b - log_test_addr ${a} $? 1 "TCP socket bind to VRF address with device bind" + show_hint "Tecnically should fail since address is not on device but kernel allows" + run_cmd nettest -6 -s -l ${a} -I ${NSA_DEV} -t1 -b + log_test_addr ${a} $? 0 "TCP socket bind to VRF address with device bind" a=${NSA_LO_IP6} log_start @@ -3450,8 +3459,8 @@ EOF ################################################################################ # main -TESTS_IPV4="ipv4_ping ipv4_tcp ipv4_udp ipv4_addr_bind ipv4_runtime ipv4_netfilter" -TESTS_IPV6="ipv6_ping ipv6_tcp ipv6_udp ipv6_addr_bind ipv6_runtime ipv6_netfilter" +TESTS_IPV4="ipv4_ping ipv4_tcp ipv4_udp ipv4_bind ipv4_runtime ipv4_netfilter" +TESTS_IPV6="ipv6_ping ipv6_tcp ipv6_udp ipv6_bind ipv6_runtime ipv6_netfilter" TESTS_OTHER="use_cases" PAUSE_ON_FAIL=no diff --git a/tools/testing/selftests/net/fib_tests.sh b/tools/testing/selftests/net/fib_tests.sh index 4e19a1c00ddd88aa9f550ab946177403fe1c27ca..6986086035d6cbc7c7a3a88f72c16839a7664481 100755 --- a/tools/testing/selftests/net/fib_tests.sh +++ b/tools/testing/selftests/net/fib_tests.sh @@ -444,24 +444,63 @@ fib_rp_filter_test() setup set -e + ip netns add ns2 + ip netns set ns2 auto + + ip -netns ns2 link set dev lo up + + $IP link add name veth1 type veth peer name veth2 + $IP link set dev veth2 netns ns2 + $IP address add 192.0.2.1/24 dev veth1 + ip -netns ns2 address add 192.0.2.1/24 dev veth2 + $IP link set dev veth1 up + ip -netns ns2 link set dev veth2 up + $IP link set dev lo address 52:54:00:6a:c7:5e - $IP link set dummy0 address 52:54:00:6a:c7:5e - $IP link add dummy1 type dummy - $IP link set dummy1 address 52:54:00:6a:c7:5e - $IP link set dev dummy1 up + $IP link set dev veth1 address 52:54:00:6a:c7:5e + ip -netns ns2 link set dev lo address 52:54:00:6a:c7:5e + ip -netns ns2 link set dev veth2 address 52:54:00:6a:c7:5e + + # 1. (ns2) redirect lo's egress to veth2's egress + ip netns exec ns2 tc qdisc add dev lo parent root handle 1: fq_codel + ip netns exec ns2 tc filter add dev lo parent 1: protocol arp basic \ + action mirred egress redirect dev veth2 + ip netns exec ns2 tc filter add dev lo parent 1: protocol ip basic \ + action mirred egress redirect dev veth2 + + # 2. (ns1) redirect veth1's ingress to lo's ingress + $NS_EXEC tc qdisc add dev veth1 ingress + $NS_EXEC tc filter add dev veth1 ingress protocol arp basic \ + action mirred ingress redirect dev lo + $NS_EXEC tc filter add dev veth1 ingress protocol ip basic \ + action mirred ingress redirect dev lo + + # 3. (ns1) redirect lo's egress to veth1's egress + $NS_EXEC tc qdisc add dev lo parent root handle 1: fq_codel + $NS_EXEC tc filter add dev lo parent 1: protocol arp basic \ + action mirred egress redirect dev veth1 + $NS_EXEC tc filter add dev lo parent 1: protocol ip basic \ + action mirred egress redirect dev veth1 + + # 4. (ns2) redirect veth2's ingress to lo's ingress + ip netns exec ns2 tc qdisc add dev veth2 ingress + ip netns exec ns2 tc filter add dev veth2 ingress protocol arp basic \ + action mirred ingress redirect dev lo + ip netns exec ns2 tc filter add dev veth2 ingress protocol ip basic \ + action mirred ingress redirect dev lo + $NS_EXEC sysctl -qw net.ipv4.conf.all.rp_filter=1 $NS_EXEC sysctl -qw net.ipv4.conf.all.accept_local=1 $NS_EXEC sysctl -qw net.ipv4.conf.all.route_localnet=1 - - $NS_EXEC tc qd add dev dummy1 parent root handle 1: fq_codel - $NS_EXEC tc filter add dev dummy1 parent 1: protocol arp basic action mirred egress redirect dev lo - $NS_EXEC tc filter add dev dummy1 parent 1: protocol ip basic action mirred egress redirect dev lo + ip netns exec ns2 sysctl -qw net.ipv4.conf.all.rp_filter=1 + ip netns exec ns2 sysctl -qw net.ipv4.conf.all.accept_local=1 + ip netns exec ns2 sysctl -qw net.ipv4.conf.all.route_localnet=1 set +e - run_cmd "ip netns exec ns1 ping -I dummy1 -w1 -c1 198.51.100.1" + run_cmd "ip netns exec ns2 ping -w1 -c1 192.0.2.1" log_test $? 0 "rp_filter passes local packets" - run_cmd "ip netns exec ns1 ping -I dummy1 -w1 -c1 127.0.0.1" + run_cmd "ip netns exec ns2 ping -w1 -c1 127.0.0.1" log_test $? 0 "rp_filter passes loopback packets" cleanup diff --git a/tools/testing/selftests/net/forwarding/forwarding.config.sample b/tools/testing/selftests/net/forwarding/forwarding.config.sample index e2adb533c8fcbfa375abf87d1c533b33803486fc..e71c61ee4cc67a35870d7b2337d2c4c2cc39cca3 100644 --- a/tools/testing/selftests/net/forwarding/forwarding.config.sample +++ b/tools/testing/selftests/net/forwarding/forwarding.config.sample @@ -13,6 +13,8 @@ NETIFS[p5]=veth4 NETIFS[p6]=veth5 NETIFS[p7]=veth6 NETIFS[p8]=veth7 +NETIFS[p9]=veth8 +NETIFS[p10]=veth9 ############################################################################## # Defines diff --git a/tools/testing/selftests/net/udpgso.c b/tools/testing/selftests/net/udpgso.c index c66da6ffd6d8ddae81470ed1a4e680b4ffad43b9..7badaf215de288fca3a1ad935b829c7425b32552 100644 --- a/tools/testing/selftests/net/udpgso.c +++ b/tools/testing/selftests/net/udpgso.c @@ -156,13 +156,13 @@ struct testcase testcases_v4[] = { }, { /* send max number of min sized segments */ - .tlen = UDP_MAX_SEGMENTS - CONST_HDRLEN_V4, + .tlen = UDP_MAX_SEGMENTS, .gso_len = 1, - .r_num_mss = UDP_MAX_SEGMENTS - CONST_HDRLEN_V4, + .r_num_mss = UDP_MAX_SEGMENTS, }, { /* send max number + 1 of min sized segments: fail */ - .tlen = UDP_MAX_SEGMENTS - CONST_HDRLEN_V4 + 1, + .tlen = UDP_MAX_SEGMENTS + 1, .gso_len = 1, .tfail = true, }, @@ -259,13 +259,13 @@ struct testcase testcases_v6[] = { }, { /* send max number of min sized segments */ - .tlen = UDP_MAX_SEGMENTS - CONST_HDRLEN_V6, + .tlen = UDP_MAX_SEGMENTS, .gso_len = 1, - .r_num_mss = UDP_MAX_SEGMENTS - CONST_HDRLEN_V6, + .r_num_mss = UDP_MAX_SEGMENTS, }, { /* send max number + 1 of min sized segments: fail */ - .tlen = UDP_MAX_SEGMENTS - CONST_HDRLEN_V6 + 1, + .tlen = UDP_MAX_SEGMENTS + 1, .gso_len = 1, .tfail = true, }, diff --git a/tools/testing/selftests/net/udpgso_bench_tx.c b/tools/testing/selftests/net/udpgso_bench_tx.c index 17512a43885e7a29af80e7930a4debd8421ceee8..f1fdaa270291331e70fb2456003bdd44056b93d5 100644 --- a/tools/testing/selftests/net/udpgso_bench_tx.c +++ b/tools/testing/selftests/net/udpgso_bench_tx.c @@ -419,6 +419,7 @@ static void usage(const char *filepath) static void parse_opts(int argc, char **argv) { + const char *bind_addr = NULL; int max_len, hdrlen; int c; @@ -446,7 +447,7 @@ static void parse_opts(int argc, char **argv) cfg_cpu = strtol(optarg, NULL, 0); break; case 'D': - setup_sockaddr(cfg_family, optarg, &cfg_dst_addr); + bind_addr = optarg; break; case 'l': cfg_runtime_ms = strtoul(optarg, NULL, 10) * 1000; @@ -492,6 +493,11 @@ static void parse_opts(int argc, char **argv) } } + if (!bind_addr) + bind_addr = cfg_family == PF_INET6 ? "::" : "0.0.0.0"; + + setup_sockaddr(cfg_family, bind_addr, &cfg_dst_addr); + if (optind != argc) usage(argv[0]); diff --git a/tools/testing/selftests/netfilter/Makefile b/tools/testing/selftests/netfilter/Makefile index 4144984ebee5646db168c76d3657214602065e89..d0c56d5a5c528315791ea8fc516c1cda54419616 100644 --- a/tools/testing/selftests/netfilter/Makefile +++ b/tools/testing/selftests/netfilter/Makefile @@ -2,6 +2,7 @@ # Makefile for netfilter selftests TEST_PROGS := nft_trans_stress.sh nft_nat.sh bridge_brouter.sh \ - conntrack_icmp_related.sh nft_flowtable.sh + conntrack_icmp_related.sh nft_flowtable.sh \ + conntrack_vrf.sh include ../lib.mk diff --git a/tools/testing/selftests/netfilter/conntrack_vrf.sh b/tools/testing/selftests/netfilter/conntrack_vrf.sh new file mode 100755 index 0000000000000000000000000000000000000000..8b5ea923458828247d4264fca22dc31298fcb14e --- /dev/null +++ b/tools/testing/selftests/netfilter/conntrack_vrf.sh @@ -0,0 +1,241 @@ +#!/bin/sh + +# This script demonstrates interaction of conntrack and vrf. +# The vrf driver calls the netfilter hooks again, with oif/iif +# pointing at the VRF device. +# +# For ingress, this means first iteration has iifname of lower/real +# device. In this script, thats veth0. +# Second iteration is iifname set to vrf device, tvrf in this script. +# +# For egress, this is reversed: first iteration has the vrf device, +# second iteration is done with the lower/real/veth0 device. +# +# test_ct_zone_in demonstrates unexpected change of nftables +# behavior # caused by commit 09e856d54bda5f28 "vrf: Reset skb conntrack +# connection on VRF rcv" +# +# It was possible to assign conntrack zone to a packet (or mark it for +# `notracking`) in the prerouting chain before conntrack, based on real iif. +# +# After the change, the zone assignment is lost and the zone is assigned based +# on the VRF master interface (in case such a rule exists). +# assignment is lost. Instead, assignment based on the `iif` matching +# Thus it is impossible to distinguish packets based on the original +# interface. +# +# test_masquerade_vrf and test_masquerade_veth0 demonstrate the problem +# that was supposed to be fixed by the commit mentioned above to make sure +# that any fix to test case 1 won't break masquerade again. + +ksft_skip=4 + +IP0=172.30.30.1 +IP1=172.30.30.2 +PFXL=30 +ret=0 + +sfx=$(mktemp -u "XXXXXXXX") +ns0="ns0-$sfx" +ns1="ns1-$sfx" + +cleanup() +{ + ip netns pids $ns0 | xargs kill 2>/dev/null + ip netns pids $ns1 | xargs kill 2>/dev/null + + ip netns del $ns0 $ns1 +} + +nft --version > /dev/null 2>&1 +if [ $? -ne 0 ];then + echo "SKIP: Could not run test without nft tool" + exit $ksft_skip +fi + +ip -Version > /dev/null 2>&1 +if [ $? -ne 0 ];then + echo "SKIP: Could not run test without ip tool" + exit $ksft_skip +fi + +ip netns add "$ns0" +if [ $? -ne 0 ];then + echo "SKIP: Could not create net namespace $ns0" + exit $ksft_skip +fi +ip netns add "$ns1" + +trap cleanup EXIT + +ip netns exec $ns0 sysctl -q -w net.ipv4.conf.default.rp_filter=0 +ip netns exec $ns0 sysctl -q -w net.ipv4.conf.all.rp_filter=0 +ip netns exec $ns0 sysctl -q -w net.ipv4.conf.all.rp_filter=0 + +ip link add veth0 netns "$ns0" type veth peer name veth0 netns "$ns1" > /dev/null 2>&1 +if [ $? -ne 0 ];then + echo "SKIP: Could not add veth device" + exit $ksft_skip +fi + +ip -net $ns0 li add tvrf type vrf table 9876 +if [ $? -ne 0 ];then + echo "SKIP: Could not add vrf device" + exit $ksft_skip +fi + +ip -net $ns0 li set lo up + +ip -net $ns0 li set veth0 master tvrf +ip -net $ns0 li set tvrf up +ip -net $ns0 li set veth0 up +ip -net $ns1 li set veth0 up + +ip -net $ns0 addr add $IP0/$PFXL dev veth0 +ip -net $ns1 addr add $IP1/$PFXL dev veth0 + +ip netns exec $ns1 iperf3 -s > /dev/null 2>&1& +if [ $? -ne 0 ];then + echo "SKIP: Could not start iperf3" + exit $ksft_skip +fi + +# test vrf ingress handling. +# The incoming connection should be placed in conntrack zone 1, +# as decided by the first iteration of the ruleset. +test_ct_zone_in() +{ +ip netns exec $ns0 nft -f - < /dev/null + + # should be in zone 1, not zone 2 + count=$(ip netns exec $ns0 conntrack -L -s $IP1 -d $IP0 -p icmp --zone 1 2>/dev/null | wc -l) + if [ $count -eq 1 ]; then + echo "PASS: entry found in conntrack zone 1" + else + echo "FAIL: entry not found in conntrack zone 1" + count=$(ip netns exec $ns0 conntrack -L -s $IP1 -d $IP0 -p icmp --zone 2 2> /dev/null | wc -l) + if [ $count -eq 1 ]; then + echo "FAIL: entry found in zone 2 instead" + else + echo "FAIL: entry not in zone 1 or 2, dumping table" + ip netns exec $ns0 conntrack -L + ip netns exec $ns0 nft list ruleset + fi + fi +} + +# add masq rule that gets evaluated w. outif set to vrf device. +# This tests the first iteration of the packet through conntrack, +# oifname is the vrf device. +test_masquerade_vrf() +{ + local qdisc=$1 + + if [ "$qdisc" != "default" ]; then + tc -net $ns0 qdisc add dev tvrf root $qdisc + fi + + ip netns exec $ns0 conntrack -F 2>/dev/null + +ip netns exec $ns0 nft -f - </dev/null + if [ $? -ne 0 ]; then + echo "FAIL: iperf3 connect failure with masquerade + sport rewrite on vrf device" + ret=1 + return + fi + + # must also check that nat table was evaluated on second (lower device) iteration. + ip netns exec $ns0 nft list table ip nat |grep -q 'counter packets 2' && + ip netns exec $ns0 nft list table ip nat |grep -q 'untracked counter packets [1-9]' + if [ $? -eq 0 ]; then + echo "PASS: iperf3 connect with masquerade + sport rewrite on vrf device ($qdisc qdisc)" + else + echo "FAIL: vrf rules have unexpected counter value" + ret=1 + fi + + if [ "$qdisc" != "default" ]; then + tc -net $ns0 qdisc del dev tvrf root + fi +} + +# add masq rule that gets evaluated w. outif set to veth device. +# This tests the 2nd iteration of the packet through conntrack, +# oifname is the lower device (veth0 in this case). +test_masquerade_veth() +{ + ip netns exec $ns0 conntrack -F 2>/dev/null +ip netns exec $ns0 nft -f - < /dev/null + if [ $? -ne 0 ]; then + echo "FAIL: iperf3 connect failure with masquerade + sport rewrite on veth device" + ret=1 + return + fi + + # must also check that nat table was evaluated on second (lower device) iteration. + ip netns exec $ns0 nft list table ip nat |grep -q 'counter packets 2' + if [ $? -eq 0 ]; then + echo "PASS: iperf3 connect with masquerade + sport rewrite on veth device" + else + echo "FAIL: vrf masq rule has unexpected counter value" + ret=1 + fi +} + +test_ct_zone_in +test_masquerade_vrf "default" +test_masquerade_vrf "pfifo" +test_masquerade_veth + +exit $ret diff --git a/tools/testing/selftests/x86/test_vsyscall.c b/tools/testing/selftests/x86/test_vsyscall.c index a4f4d4cf22c3b47c40acf7ae4c6d25d335e3b313..d0752a0a8f362032326081b64e240a52ebeb2688 100644 --- a/tools/testing/selftests/x86/test_vsyscall.c +++ b/tools/testing/selftests/x86/test_vsyscall.c @@ -480,7 +480,7 @@ static int test_process_vm_readv(void) } if (vsyscall_map_r) { - if (!memcmp(buf, (const void *)0xffffffffff600000, 4096)) { + if (!memcmp(buf, remote.iov_base, sizeof(buf))) { printf("[OK]\tIt worked and read correct data\n"); } else { printf("[FAIL]\tIt worked but returned incorrect data\n");