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

From: Tejun Heo
Date: Mon Jul 08 2019 - 12:42:48 EST

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?