Merge 3.18.78 into android-3.18

Changes in 3.18.78
	USB: devio: Revert "USB: devio: Don't corrupt user memory"
	USB: core: fix out-of-bounds access bug in usb_get_bos_descriptor()
	USB: serial: metro-usb: add MS7820 device id
	usb: cdc_acm: Add quirk for Elatec TWN3
	usb: quirks: add quirk for WORLDE MINI MIDI keyboard
	usb: hub: Allow reset retry for USB2 devices on connect bounce
	can: gs_usb: fix busy loop if no more TX context is available
	can: esd_usb2: Fix can_dlc value for received RTR, frames
	ALSA: seq: Enable 'use' locking in all configurations
	ALSA: hda: Remove superfluous '-' added by printk conversion
	i2c: ismt: Separate I2C block read from SMBus block read
	brcmsmac: make some local variables 'static const' to reduce stack size
	bus: mbus: fix window size calculation for 4GB windows
	KEYS: encrypted: fix dereference of NULL user_key_payload
	lib/digsig: fix dereference of NULL user_key_payload
	KEYS: don't let add_key() update an uninstantiated key
	cls_api.c: Fix dumping of non-existing actions' stats.
	parisc: Avoid trashing sr2 and sr3 in LWS code
	parisc: Fix double-word compare and exchange in LWS code on 32-bit kernels
	af_packet: don't pass empty blocks for PACKET_V3
	FS-Cache: fix dereference of NULL user_key_payload
	Linux 3.18.78

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