devres: fix possible use after free
authorMaxin B John <maxin.john@gmail.com>
Tue, 26 Jul 2011 00:12:59 +0000 (17:12 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 26 Jul 2011 03:57:14 +0000 (20:57 -0700)
commitae891a1b93bf62e9aaa116a7a71312375047fc9f
tree83e821e818654da3e3443ecddd757665251db6e0
parent5190f0c030f46b3169205f34f6d9ef480fa39ef2
devres: fix possible use after free

devres uses the pointer value as key after it's freed, which is safe but
triggers spurious use-after-free warnings on some static analysis tools.
Rearrange code to avoid such warnings.

Signed-off-by: Maxin B. John <maxin.john@gmail.com>
Reviewed-by: Rolf Eike Beer <eike-kernel@sf-tec.de>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
kernel/irq/devres.c
lib/devres.c
mm/dmapool.c