Merge android-4.9.123 (8dd3fc2e) into msm-4.9

* refs/heads/tmp-8dd3fc2e:
  Linux 4.9.123
  Bluetooth: avoid killing an already killed socket
  x86/mm: Simplify p[g4um]d_page() macros
  serial: 8250_dw: Add ACPI support for uart on Broadcom SoC
  serial: 8250_dw: always set baud rate in dw8250_set_termios
  tty: serial: 8250: Revert NXP SC16C2552 workaround
  ACPI / PM: save NVS memory for ASUS 1025C laptop
  USB: option: add support for DW5821e
  USB: serial: sierra: fix potential deadlock at close
  cls_matchall: fix tcf_unbind_filter missing
  isdn: Disable IIOCDBGVAR
  ALSA: vxpocket: Fix invalid endian conversions
  ALSA: memalloc: Don't exceed over the requested size
  ALSA: hda: Correct Asrock B85M-ITX power_save blacklist entry
  ALSA: cs5535audio: Fix invalid endian conversion
  ALSA: virmidi: Fix too long output trigger loop
  ALSA: vx222: Fix invalid endian conversions
  ALSA: hda - Turn CX8200 into D3 as well upon reboot
  ALSA: hda - Sleep for 10ms after entering D3 on Conexant codecs
  net_sched: fix NULL pointer dereference when delete tcindex filter
  net_sched: Fix missing res info when create new tc_index filter
  ip6_tunnel: use the right value for ipv4 min mtu check in ip6_tnl_xmit
  vsock: split dwork to avoid reinitializations
  llc: use refcount_inc_not_zero() for llc_sap_find()
  l2tp: use sk_dst_check() to avoid race on sk->sk_dst_cache
  dccp: fix undefined behavior with 'cwnd' shift in ccid2_cwnd_restart()

Change-Id: Id062ded6d01c2071c69e40db6c832ac153517aca
Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>
Signed-off-by: Minming Qi <mqi@codeaurora.org>