Merge 3.18.92 into android-3.18

Changes in 3.18.92
	kernel/acct.c: fix the acct->needcheck check in check_free_space()
	crypto: n2 - cure use after free
	fscache: Fix the default for fscache_maybe_release_page()
	kernel/signal.c: protect the traced SIGNAL_UNKILLABLE tasks from SIGKILL
	kernel/signal.c: protect the SIGNAL_UNKILLABLE tasks from !sig_kernel_only() signals
	kernel/signal.c: remove the no longer needed SIGNAL_UNKILLABLE check in complete_signal()
	Input: elantech - add new icbody type 15
	can: gs_usb: fix return value of the "set_bittiming" callback
	IB/srpt: Disable RDMA access by the initiator
	MIPS: Factor out NT_PRFPREG regset access helpers
	MIPS: Guard against any partial write attempt with PTRACE_SETREGSET
	MIPS: Consistently handle buffer counter with PTRACE_SETREGSET
	MIPS: Fix an FCSR access API regression with NT_PRFPREG and MSA
	MIPS: Disallow outsized PTRACE_SETREGSET NT_PRFPREG regset accesses
	MIPS: Also verify sizeof `elf_fpreg_t' with PTRACE_SETREGSET
	perf/core: Fix concurrent sys_perf_event_open() vs. 'move_group' race
	kvm: vmx: Scrub hardware GPRs at VM-exit
	x86/acpi: Handle SCI interrupts above legacy space gracefully
	ALSA: pcm: Remove incorrect snd_BUG_ON() usages
	ALSA: pcm: Add missing error checks in OSS emulation plugin builder
	ALSA: pcm: Abort properly at pending signal in OSS read/write loops
	ALSA: pcm: Allow aborting mutex lock at OSS read/write loops
	ALSA: aloop: Release cable upon open error path
	ALSA: aloop: Fix inconsistent format due to incomplete rule
	ALSA: aloop: Fix racy hw constraints adjustment
	x86/acpi: Reduce code duplication in mp_override_legacy_irq()
	8021q: fix a memory leak for VLAN 0 device
	RDS: Heap OOB write in rds_message_alloc_sgs()
	RDS: null pointer dereference in rds_atomic_free_op
	sh_eth: fix TSU resource handling
	sh_eth: fix SH7757 GEther initialization
	net: stmmac: enable EEE in MII, GMII or RGMII only
	crypto: algapi - fix NULL dereference in crypto_remove_spawns()
	x86/microcode/intel: Extend BDW late-loading with a revision check
	iscsi-target: Make TASK_REASSIGN use proper se_cmd->cmd_kref
	target: Avoid early CMD_T_PRE_EXECUTE failures during ABORT_TASK
	Revert "can: kvaser_usb: free buf in error paths"
	USB: serial: cp210x: add IDs for LifeScan OneTouch Verio IQ
	USB: serial: cp210x: add new device ID ELV ALC 8xxx
	usb: misc: usb3503: make sure reset is low for at least 100us
	USB: fix usbmon BUG trigger
	usbip: remove kernel addresses from usb device and urb debug msgs
	staging: android: ashmem: fix a race condition in ASHMEM_SET_SIZE ioctl
	Bluetooth: Prevent stack info leak from the EFS element.
	uas: ignore UAS for Norelsys NS1068(X) chips
	e1000e: Fix e1000_check_for_copper_link_ich8lan return value.
	Linux 3.18.92

Change-Id: I8b7c30f73e17a8547c2e5b948a2d62cec66bf237
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>