tree befc1bd5504c6d97a24a2d519de19eaa3af0906f
parent 879a5a001b62a020e074d460b3a7c0fd993f9832
author Oleg Nesterov <oleg@redhat.com> 1328026478 +0100
committer Linus Torvalds <torvalds@linux-foundation.org> 1328135941 -0800

proc: mem_release() should check mm != NULL

mem_release() can hit mm == NULL, add the necessary check.

Cc: stable@kernel.org
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>