Merge 4.19.279 into android-4.19-stable

Changes in 4.19.279
	ext4: fix cgroup writeback accounting with fs-layer encryption
	fs: sysfs_emit_at: Remove PAGE_SIZE alignment check
	clk: HI655X: select REGMAP instead of depending on it
	tcp: tcp_make_synack() can be called from process context
	nfc: pn533: initialize struct pn533_out_arg properly
	qed/qed_dev: guard against a possible division by zero
	net: tunnels: annotate lockless accesses to dev->needed_headroom
	net: phy: smsc: bail out in lan87xx_read_status if genphy_read_status fails
	nfc: st-nci: Fix use after free bug in ndlc_remove due to race condition
	net: usb: smsc75xx: Limit packet length to skb->len
	nvmet: avoid potential UAF in nvmet_req_complete()
	block: sunvdc: add check for mdesc_grab() returning NULL
	ipv4: Fix incorrect table ID in IOCTL path
	net: usb: smsc75xx: Move packet length check to prevent kernel panic in skb_pull
	net/iucv: Fix size of interrupt data
	ethernet: sun: add check for the mdesc_grab()
	hwmon: (adt7475) Display smoothing attributes in correct order
	hwmon: (adt7475) Fix masking of hysteresis registers
	hwmon: (xgene) Fix use after free bug in xgene_hwmon_remove due to race condition
	media: m5mols: fix off-by-one loop termination error
	mmc: atmel-mci: fix race between stop command and start of next command
	jffs2: correct logic when creating a hole in jffs2_write_begin
	ext4: fail ext4_iget if special inode unallocated
	ext4: fix task hung in ext4_xattr_delete_inode
	drm/amdkfd: Fix an illegal memory access
	sh: intc: Avoid spurious sizeof-pointer-div warning
	tracing: Check field value in hist_field_name()
	tracing: Make tracepoint lockdep check actually test something
	ftrace: Fix invalid address access in lookup_rec() when index is 0
	fbdev: stifb: Provide valid pixelclock and add fb_check_var() checks
	x86/mm: Fix use of uninitialized buffer in sme_enable()
	drm/i915: Don't use stolen memory for ring buffers with LLC
	serial: 8250_em: Fix UART port type
	HID: core: Provide new max_buffer_size attribute to over-ride the default
	HID: uhid: Over-ride the default maximum data buffer value with our own
	Linux 4.19.279

Change-Id: I588a3903d05a52088eb3d8623ed955243db55fbd
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>