cgroup: fix umount vs cgroup_event_remove() race

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commit 5db9a4d99b
 Author: Tejun Heo <tj@kernel.org>
 Date:   Sat Jul 7 16:08:18 2012 -0700

     cgroup: fix cgroup hierarchy umount race

This commit fixed a race caused by the dput() in css_dput_fn(), but
the dput() in cgroup_event_remove() can also lead to the same BUG().

Signed-off-by: Li Zefan <lizefan@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: stable@vger.kernel.org

...

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Li Zefan 2013-06-18 18:41:10 +08:00 • committed by Tejun Heo

parent 084457f284

commit 1c8158eeae

1 changed files with 19 additions and 6 deletions

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kernel/cgroup.c

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