Re: [PATCH] cgroup: minor tweak for logic to get cgroup css

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To: Peng Wang <rocking@xxxxxxxxxx>
Subject: Re: [PATCH] cgroup: minor tweak for logic to get cgroup css
From: Tejun Heo <tj@xxxxxxxxxx>
Date: Mon, 8 Jul 2019 09:42:43 -0700
Cc: lizefan@xxxxxxxxxx, hannes@xxxxxxxxxxx, cgroups@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <20190703020749.22988-1-rocking@whu.edu.cn>
References: <20190703020749.22988-1-rocking@whu.edu.cn>
User-agent: Mutt/1.5.21 (2010-09-15)

On Wed, Jul 03, 2019 at 10:07:49AM +0800, Peng Wang wrote:
> We could only handle the case that css exists
> and css_try_get_online() fails.

As css_tryget_online() can't handle NULL input, this is a bug fix.
Can you please clarify that in the description?

Thanks.

-- 
tejun

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- [PATCH] cgroup: minor tweak for logic to get cgroup css
  - From: Peng Wang

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