diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c index fa24102535d9..bdc8deedb4f7 100644 --- a/kernel/cgroup/cgroup.c +++ b/kernel/cgroup/cgroup.c @@ -3237,7 +3237,7 @@ void cgroup_lock_and_drain_offline(struct cgroup *cgrp) struct cgroup_subsys_state *css = cgroup_css(dsct, ss); DEFINE_WAIT(wait); - if (!css || !percpu_ref_is_dying(&css->refcnt)) + if (!css || !css_is_dying(css)) continue; cgroup_get_live(dsct); @@ -3405,7 +3405,8 @@ static void cgroup_apply_control_disable(struct cgroup *cgrp) if (css->parent && !(cgroup_ss_mask(dsct) & (1 << ss->id))) { kill_css_sync(css); - kill_css_finish(css); + if (!css_is_populated(css)) + kill_css_finish(css); } else if (!css_visible(css)) { css_clear_dir(css); if (ss->css_reset)