Merge 4.14.253 into android-4.14-stable

Changes in 4.14.253
	btrfs: always wait on ordered extents at fsync time
	ARM: dts: at91: sama5d2_som1_ek: disable ISC node by default
	xtensa: xtfpga: use CONFIG_USE_OF instead of CONFIG_OF
	xtensa: xtfpga: Try software restart before simulating CPU reset
	NFSD: Keep existing listeners on portlist error
	netfilter: ipvs: make global sysctl readonly in non-init netns
	NIOS2: irqflags: rename a redefined register name
	can: rcar_can: fix suspend/resume
	can: peak_usb: pcan_usb_fd_decode_status(): fix back to ERROR_ACTIVE state notification
	can: peak_pci: peak_pci_remove(): fix UAF
	ocfs2: fix data corruption after conversion from inline format
	ocfs2: mount fails with buffer overflow in strlen
	elfcore: correct reference to CONFIG_UML
	vfs: check fd has read access in kernel_read_file_from_fd()
	ALSA: usb-audio: Provide quirk for Sennheiser GSP670 Headset
	ASoC: DAPM: Fix missing kctl change notifications
	nfc: nci: fix the UAF of rf_conn_info object
	isdn: cpai: check ctr->cnr to avoid array index out of bound
	netfilter: Kconfig: use 'default y' instead of 'm' for bool config option
	btrfs: deal with errors when checking if a dir entry exists during log replay
	net: stmmac: add support for dwmac 3.40a
	ARM: dts: spear3xx: Fix gmac node
	isdn: mISDN: Fix sleeping function called from invalid context
	platform/x86: intel_scu_ipc: Update timeout value in comment
	ALSA: hda: avoid write to STATESTS if controller is in reset
	scsi: core: Fix shost->cmd_per_lun calculation in scsi_add_host_with_dma()
	net: mdiobus: Fix memory leak in __mdiobus_register
	tracing: Have all levels of checks prevent recursion
	ARM: 9122/1: select HAVE_FUTEX_CMPXCHG
	Linux 4.14.253

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I1cb11bcb283561e1e242dc3b2e22aceb9577c63d