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Date: Wed, 12 Feb 2014 03:27:13 -0500
From: Tejun Heo <tj@kernel.org>
To: Li Zefan <lizefan@huawei.com>
Cc: containers@lists.linux-foundation.org, cgroups@vger.kernel.org,
        linux-kernel@vger.kernel.org, Ingo Molnar <mingo@redhat.com>,
        Johannes Weiner <hannes@cmpxchg.org>,
        Balbir Singh <bsingharora@gmail.com>,
        KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Subject: Re: [PATCH 6/8] cgroup: remove cgroup->name
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On Wed, Feb 12, 2014 at 03:52:20PM +0800, Li Zefan wrote:
> The caller won't check the return value but pass it to printk/seq_printf,
> but now cgroup_path() might return -ENAMETOOLONG..

cgroup_path() returns NULL on overflow which printk handles fine, no?

Thanks.

-- 
tejun