From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tejun Heo <tj@kernel.org>
Subject: Re: [PATCH] device_cgroup: fix unchecked cgroup parent usage
Date: Wed, 31 Oct 2012 09:23:30 -0700
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To: Aristeu Rozanski <aris@redhat.com>
Cc: linux-kernel@vger.kernel.org, Andrew Morton <akpm@linux-foundation.org>, Li Zefan <lizefan@huawei.com>, James Morris <jmorris@namei.org>, Pavel Emelyanov <xemul@openvz.org>, Serge Hallyn <serge.hallyn@canonical.com>, Jiri Slaby <jslaby@suse.cz>, cgroups@vger.kernel.org

On Wed, Oct 31, 2012 at 12:04:30PM -0400, Aristeu Rozanski wrote:
> In 4cef7299b4786879a3e113e84084a72b24590c5b the cgroup parent usage is
> unchecked. root will not have a parent and trying to use
> device.{allow,deny} will cause problems. For some reason my stressing
> scripts didn't test the root directory so I didn't catch it on my
> regular tests.
> 
> Andrew, Tejun, this patch needs to make Linus tree ASAP or a revert for
> 4cef7299b4786879a3e113e84084a72b24590c5b.

 Acked-by: Tejun Heo <tj@kernel.org>

Andrew, can you please pick this one up?

Thanks.

-- 
tejun