Merge android-4.9-173 (336c47db) into msm-4.9

* commit refs/heads/tmp-336c47db:
  Linux 4.9.173
  vfio/type1: Limit DMA mappings per container
  leds: pca9532: fix a potential NULL pointer dereference
  kconfig/[mn]conf: handle backspace (^H) key
  gpio: of: Fix of_gpiochip_add() error path
  libata: fix using DMA buffers on stack
  scsi: zfcp: reduce flood of fcrscn1 trace records on multi-element RSCN
  ceph: fix use-after-free on symlink traversal
  usb: u132-hcd: fix resource leak
  scsi: qla4xxx: fix a potential NULL pointer dereference
  net: ethernet: ti: fix possible object reference leak
  net: ibm: fix possible object reference leak
  net: xilinx: fix possible object reference leak
  NFS: Fix a typo in nfs_init_timeout_values()
  staging: rtl8712: uninitialized memory in read_bbreg_hdl()
  net: ks8851: Set initial carrier state to down
  net: ks8851: Delay requesting IRQ until opened
  net: ks8851: Reassert reset pin if chip ID check fails
  net: ks8851: Dequeue RX packets explicitly
  ARM: dts: pfla02: increase phy reset duration
  usb: gadget: net2272: Fix net2272_dequeue()
  usb: gadget: net2280: Fix net2280_dequeue()
  usb: gadget: net2280: Fix overrun of OUT messages
  serial: ar933x_uart: Fix build failure with disabled console
  sc16is7xx: missing unregister/delete driver on error in sc16is7xx_init()
  netfilter: bridge: set skb transport_header before entering NF_INET_PRE_ROUTING
  netfilter: nft_set_rbtree: check for inactive element after flag mismatch
  qlcnic: Avoid potential NULL pointer dereference
  s390: limit brk randomization to 32MB
  ARM: dts: bcm283x: Fix hdmi hpd gpio pull
  media: vivid: check if the cec_adapter is valid
  usbnet: ipheth: fix potential null pointer dereference in ipheth_carrier_set
  usbnet: ipheth: prevent TX queue timeouts when device not ready

Change-Id: Ib74e1e997091086c0970d0002d33d13867b497fe
Signed-off-by: Tengfei Fan <tengfeif@codeaurora.org>