linux-kernel - Re: [PATCH] device_cgroup: fix unchecked cgroup parent usage

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Message-ID: <20121031162330.GA2945@htj.dyndns.org>
Date:	Wed, 31 Oct 2012 09:23:30 -0700
From:	Tejun Heo <tj@...nel.org>
To:	Aristeu Rozanski <aris@...hat.com>
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Li Zefan <lizefan@...wei.com>,
	James Morris <jmorris@...ei.org>,
	Pavel Emelyanov <xemul@...nvz.org>,
	Serge Hallyn <serge.hallyn@...onical.com>,
	Jiri Slaby <jslaby@...e.cz>, cgroups@...r.kernel.org
Subject: Re: [PATCH] device_cgroup: fix unchecked cgroup parent usage

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@...nel.org>

Andrew, can you please pick this one up?

Thanks.

-- 
tejun
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