Merge 4.4.156 into android-4.4

Changes in 4.4.156
	x86/speculation/l1tf: Fix up pte->pfn conversion for PAE
	staging: android: ion: fix ION_IOC_{MAP,SHARE} use-after-free
	net: bcmgenet: use MAC link status for fixed phy
	qlge: Fix netdev features configuration.
	tcp: do not restart timewait timer on rst reception
	vti6: remove !skb->ignore_df check from vti6_xmit()
	cifs: check if SMB2 PDU size has been padded and suppress the warning
	hfsplus: don't return 0 when fill_super() failed
	hfs: prevent crash on exit from failed search
	fork: don't copy inconsistent signal handler state to child
	reiserfs: change j_timestamp type to time64_t
	hfsplus: fix NULL dereference in hfsplus_lookup()
	fat: validate ->i_start before using
	scripts: modpost: check memory allocation results
	mm/fadvise.c: fix signed overflow UBSAN complaint
	fs/dcache.c: fix kmemcheck splat at take_dentry_name_snapshot()
	ipvs: fix race between ip_vs_conn_new() and ip_vs_del_dest()
	mfd: sm501: Set coherent_dma_mask when creating subdevices
	platform/x86: asus-nb-wmi: Add keymap entry for lid flip action on UX360
	irqchip/bcm7038-l1: Hide cpu offline callback when building for !SMP
	net/9p: fix error path of p9_virtio_probe
	powerpc: Fix size calculation using resource_size()
	s390/dasd: fix hanging offline processing due to canceled worker
	scsi: aic94xx: fix an error code in aic94xx_init()
	PCI: mvebu: Fix I/O space end address calculation
	dm kcopyd: avoid softlockup in run_complete_job
	staging: comedi: ni_mio_common: fix subdevice flags for PFI subdevice
	selftests/powerpc: Kill child processes on SIGINT
	smb3: fix reset of bytes read and written stats
	SMB3: Number of requests sent should be displayed for SMB3 not just CIFS
	powerpc/pseries: Avoid using the size greater than RTAS_ERROR_LOG_MAX.
	btrfs: replace: Reset on-disk dev stats value after replace
	btrfs: relocation: Only remove reloc rb_trees if reloc control has been initialized
	btrfs: Don't remove block group that still has pinned down bytes
	debugobjects: Make stack check warning more informative
	x86/pae: use 64 bit atomic xchg function in native_ptep_get_and_clear
	kbuild: make missing $DEPMOD a Warning instead of an Error
	irda: Fix memory leak caused by repeated binds of irda socket
	irda: Only insert new objects into the global database via setsockopt
	Revert "ARM: imx_v6_v7_defconfig: Select ULPI support"
	enic: do not call enic_change_mtu in enic_probe
	Fixes: Commit cdbf92675fad ("mm: numa: avoid waiting on freed migrated pages")
	genirq: Delay incrementing interrupt count if it's disabled/pending
	irqchip/gic-v3-its: Recompute the number of pages on page size change
	irqchip/gicv3-its: Fix memory leak in its_free_tables()
	irqchip/gicv3-its: Avoid cache flush beyond ITS_BASERn memory size
	irqchip/gic-v3: Add missing barrier to 32bit version of gic_read_iar()
	irqchip/gic: Make interrupt ID 1020 invalid
	ovl: rename is_merge to is_lowest
	ovl: override creds with the ones from the superblock mounter
	ovl: proper cleanup of workdir
	sch_htb: fix crash on init failure
	sch_multiq: fix double free on init failure
	sch_hhf: fix null pointer dereference on init failure
	sch_netem: avoid null pointer deref on init failure
	sch_tbf: fix two null pointer dereferences on init failure
	mei: me: allow runtime pm for platform with D0i3
	s390/lib: use expoline for all bcr instructions
	ASoC: wm8994: Fix missing break in switch
	btrfs: use correct compare function of dirty_metadata_bytes
	Linux 4.4.156

Change-Id: Ia12d5f0a8ae43215e26b67f5db492738496635b7
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>