Merge 3.18.79 into android-3.18

Changes in 3.18.79
	ceph: unlock dangling spinlock in try_flush_caps()
	usb: xhci: Handle error condition in xhci_stop_device()
	spi: uapi: spidev: add missing ioctl header
	fuse: fix READDIRPLUS skipping an entry
	Input: gtco - fix potential out-of-bound access
	assoc_array: Fix a buggy node-splitting case
	scsi: zfcp: fix erp_action use-before-initialize in REC action trace
	scsi: sg: Re-fix off by one in sg_fill_request_table()
	can: kvaser_usb: Correct return value in printout
	ecryptfs: fix dereference of NULL user_key_payload
	Linux 3.18.79

Change-Id: Ie675f92e62d71fed4756909d27b2e717a5fc6bd7
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>