Merge from stable-2.6.32.55
Merge commit 'v2.6.32.55' into xen/next-2.6.32
* commit 'v2.6.32.55': (28 commits)
Linux 2.6.32.55
kprobes: initialize before using a hlist
score: fix off-by-one index into syscall table
sym53c8xx: Fix NULL pointer dereference in slave_destroy
ALSA: HDA: Fix internal microphone on Dell Studio 16 XPS 1645
kernel.h: add printk_ratelimited and pr_<level>_rl
block: add and use scsi_blk_cmd_ioctl
USB: Fix 'bad dma' problem on WDM device disconnect
fix cputime overflow in uptime_proc_show
USB: cdc-wdm: fix misuse of logical operation in place of bitop
nfsd: Fix oops when parsing a 0 length export
svcrpc: destroy server sockets all at once
svcrpc: fix double-free on shutdown of nfsd after changing pool mode
V4L/DVB: v4l2-ioctl: integer overflow in video_usercopy()
i2c: Fix error value returned by several bus drivers
UBI: fix nameless volumes handling
x86: Fix mmap random address range
PNP: work around Dell 1536/1546 BIOS MMCONFIG bug that breaks USB
ima: free duplicate measurement memory
xen/xenbus: Reject replies with payload > XENSTORE_PAYLOAD_MAX.
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