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cgroup: Remove unused cgrp variable 

The 'cgrp' is set but not used in commit <76f969e8948d8>
("cgroup: cgroup v2 freezer").
Remove it to avoid [-Wunused-but-set-variable] warning.

Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com>
Acked-by: Roman Gushchin <guro@fb.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Shaokun Zhang 2019-04-30 17:57:29 +08:00 committed by Tejun Heo
parent afe471ea2d
commit 533307dc20
1 changed files with 0 additions and 3 deletions
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3
kernel/cgroup/cgroup.c
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@ -5864,11 +5864,8 @@ void cgroup_post_fork(struct task_struct *child)
* the task into the frozen state.
*/
if (unlikely(cgroup_task_freeze(child))) {
struct cgroup *cgrp;
spin_lock(&child->sighand->siglock);
WARN_ON_ONCE(child->frozen);
cgrp = cset->dfl_cgrp;
child->jobctl |= JOBCTL_TRAP_FREEZE;
spin_unlock(&child->sighand->siglock);