linux-kernel - Re: [PATCH cgroup/for-4.13-fixes] cgroup: fix error return value from cgroup_subtree

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Message-ID: <20170723121548.GB1498614@devbig577.frc2.facebook.com>
Date:   Sun, 23 Jul 2017 08:15:48 -0400
From:   Tejun Heo <tj@...nel.org>
To:     Li Zefan <lizefan@...wei.com>, Johannes Weiner <hannes@...xchg.org>
Cc:     cgroups@...r.kernel.org, kernel-team@...com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH cgroup/for-4.13-fixes] cgroup: fix error return value
 from cgroup_subtree_control()

On Sun, Jul 23, 2017 at 08:14:15AM -0400, Tejun Heo wrote:
> While refactoring, f7b2814bb9b6 ("cgroup: factor out
> cgroup_{apply|finalize}_control() from
> cgroup_subtree_control_write()") broke error return value from the
> function.  The return value from the last operation is always
> overridden to zero.  Fix it.
> 
> Signed-off-by: Tejun Heo <tj@...nel.org>
> Cc: stable@...r.kernel.org # v4.6+

Applying to cgroup/for-4.13-fixes.

Thanks.

-- 
tejun