tree 48e72a7ce8b4113b3dfcdcd31ca9bdce38ee3cd9
parent c2c9f115741453715d6b4da1cd2de65af8c7ad86
author Robin Holt <holt@sgi.com> 1260924477 -0800
committer Linus Torvalds <torvalds@linux-foundation.org> 1260976814 -0800

x86: uv: xpc NULL deref when mesq becomes empty

Under heavy load conditions, our set of xpc messages may become exhausted.
 The code handles this correctly with the exception of the management code
which hits a NULL pointer dereference.

Signed-off-by: Robin Holt <holt@sgi.com>
Cc: Jack Steiner <steiner@sgi.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>