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(parent: c2c9f11) | patch
x86: uv: xpc NULL deref when mesq becomes empty
authorRobin Holt <holt@sgi.com>
Wed, 16 Dec 2009 00:47:57 +0000 (16:47 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 16 Dec 2009 15:20:14 +0000 (07:20 -0800)
commit15b87d67ff3dc042bee42f991858d6b121b3b3ca
tree48e72a7ce8b4113b3dfcdcd31ca9bdce38ee3cd9tree | snapshot (tar.gz zip)
parentc2c9f115741453715d6b4da1cd2de65af8c7ad86commit | diff
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>
drivers/misc/sgi-xp/xpc_uv.c diff | blob | blame | history