linux-kernel - Re: [PATCH] cgroup: fix missing unlock in cgroup_release

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Message-ID: <20140920162436.GA3681@htj.dyndns.org>
Date:	Sat, 20 Sep 2014 12:24:36 -0400
From:	Tejun Heo <tj@...nel.org>
To:	Zefan Li <lizefan@...wei.com>
Cc:	Cgroups <cgroups@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Dan Carpenter <dan.carpenter@...cle.com>
Subject: Re: [PATCH] cgroup: fix missing unlock in cgroup_release_agent()

On Sat, Sep 20, 2014 at 02:35:43PM +0800, Zefan Li wrote:
> The patch 971ff4935538: "cgroup: use a per-cgroup work for release
> agent" from Sep 18, 2014, leads to the following static checker
> warning:
> 
> 	kernel/cgroup.c:5310 cgroup_release_agent()
> 	warn: 'mutex:&cgroup_mutex' is sometimes locked here and sometimes unlocked.
> 
> Reported-by: Dan Carpenter <dan.carpenter@...cle.com>
> Signed-off-by: Zefan Li <lizefan@...wei.com>

Applied to cgroup/for-3.18.

Thanks.

-- 
tejun
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