linux-kernel - Re: [PATCH 3/7] cgroup: restructure the failure path in cgroup_write_event

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Message-ID: <20130731104448.GH2810@htj.dyndns.org>
Date:	Wed, 31 Jul 2013 06:44:48 -0400
From:	Tejun Heo <tj@...nel.org>
To:	Li Zefan <lizefan@...wei.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Cgroups <cgroups@...r.kernel.org>
Subject: Re: [PATCH 3/7] cgroup: restructure the failure path in
 cgroup_write_event_control()

On Wed, Jul 31, 2013 at 04:17:06PM +0800, Li Zefan wrote:
> It uses a single label and checks the validity of each pointer. This
> is err-prone, and actually we once had a bug because one of the check
> was insufficient.
> 
> Use multi lables as we do in other places.
> 
> Signed-off-by: Li Zefan <lizefan@...wei.com>

Hmm... I usually prefer mix of the two approaches as both extremes
tend to be pretty ugly when things get complex.  I don't mind the
conversion but can you please drop the no longer unnecessary NULL
assignments on variable definitions?

Thanks.

-- 
tejun
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