Merge commit 'v2.6.32.49' into xen/next-2.6.32

* commit 'v2.6.32.49': (26 commits)
  tty: icount changeover for other main devices
  tty: Make tiocgicount a handler
  USB: quirks: adding more quirky webcams to avoid squeaky audio
  USB: add quirk for Logitech C600 web cam
  usb-storage: Accept 8020i-protocol commands longer than 12 bytes
  USB: Fix Corruption issue in USB ftdi driver ftdi_sio.c
  USB: serial: pl2303: rm duplicate id
  kbuild: Fix passing -Wno-* options to gcc 4.4+
  ipv6: udp: fix the wrong headroom check
  mm: avoid null pointer access in vm_struct via /proc/vmallocinfo
  genirq: Add IRQF_RESUME_EARLY and resume such IRQs earlier
  drm/i915: Rephrase pwrite bounds checking to avoid any potential overflow
  drm/i915: Sanity check pread/pwrite
  Revert "ALSA: hda: Fix quirk for Dell Inspiron 910"
  Remove the old V4L1 v4lgrab.c file
  md/raid5: abort any pending parity operations when array fails.
  ASoC: wm8940: Properly set codec->dapm.bias_level
  kbuild: Disable -Wunused-but-set-variable for gcc 4.6.0
  hfs: add sanity check for file name length