linux-kernel - Re: [PATCH 3/3] cgroup: remove extra calls to find_existing_css

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Message-ID: <CAOS58YOZEcDrUEaZXBmrys32bnRTPN_n5mZeyYXgVH=-6swz8Q@mail.gmail.com>
Date:	Fri, 20 Jan 2012 21:52:45 -0800
From:	Tejun Heo <tj@...nel.org>
To:	Mandeep Singh Baines <msb@...omium.org>
Cc:	Li Zefan <lizf@...fujitsu.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	linux-kernel@...r.kernel.org,
	containers@...ts.linux-foundation.org, cgroups@...r.kernel.org,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Oleg Nesterov <oleg@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Paul Menage <paul@...lmenage.org>
Subject: Re: [PATCH 3/3] cgroup: remove extra calls to find_existing_css_set

Hello,

On Fri, Jan 20, 2012 at 6:57 PM, Mandeep Singh Baines <msb@...omium.org> wrote:
> If I break out of step 2 via the goto (out_put_css_set_refs), I only
> want to put back the refs I've gotten so far.

But isn't tc->cg NULL if that happens?  (ooh, the if statement should
be testing tc->cg, my bad).

Thanks.

-- 
tejun
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