cgroup: minor tweak for logic to get cgroup css
authorPeng Wang <rocking@whu.edu.cn>
Wed, 3 Jul 2019 02:07:49 +0000 (10:07 +0800)
committerTejun Heo <tj@kernel.org>
Tue, 23 Jul 2019 22:46:33 +0000 (15:46 -0700)
commita581563f1bef035e4c8d634a1df26dae9140b115
treec2f3d467fc72ee254abcbeeca6015b21fa0ebe80
parent85db0023376f529c477c6110043e069ccee16d9c
cgroup: minor tweak for logic to get cgroup css

We could only handle the case that css exists
and css_try_get_online() fails.

Signed-off-by: Peng Wang <rocking@whu.edu.cn>
Signed-off-by: Tejun Heo <tj@kernel.org>
kernel/cgroup/cgroup.c