tree 62ea631673d80a7f75c78cb601d0e2946fc4ad05
parent 865ffef3797da2cac85b3354b5b6050dc9660978
author Li Zefan <lizefan@huawei.com> 1367273323 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1367276079 -0700

memcg: avoid accessing memcg after releasing reference

This might cause a use-after-free bug.

Signed-off-by: Li Zefan <lizefan@huawei.com>
Cc: Glauber Costa <glommer@parallels.com>
Acked-by: Michal Hocko <mhocko@suse.cz>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>