From: YueHaibing <yuehaibing@xxxxxxxxxx> Fixes gcc '-Wunused-but-set-variable' warning: kernel/cgroup/cgroup.c: In function 'cgroup_post_fork': kernel/cgroup/cgroup.c:5946:19: warning: variable 'cgrp' set but not used [-Wunused-but-set-variable] It is never used since introduction in commit 76f969e8948d ("cgroup: cgroup v2 freezer") Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx> --- kernel/cgroup/cgroup.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c index 6f09f9b..c9f208d 100644 --- a/kernel/cgroup/cgroup.c +++ b/kernel/cgroup/cgroup.c @@ -5943,11 +5943,8 @@ 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); -- 2.7.4