Re: [PATCH cgroup/for-3.16] cgroup: fix rcu_read_lock() leak in update_if_frozen()

[Tejun Heo]

On Fri, May 09, 2014 at 11:29:41PM -0400, Tejun Heo wrote:
> While updating cgroup_freezer locking, 68fafb77d827 ("cgroup_freezer:
> replace freezer->lock with freezer_mutex") introduced a bug in
> update_if_frozen() where it returns with rcu_read_lock() held.  Fix it
> by adding rcu_read_unlock() before returning.
> 
> Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
> Reported-by: kbuild test robot <fengguang.wu@xxxxxxxxx>

Applied to cgroup/for-3.15-fixes.

Thanks.

-- 
tejun
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