1 files changed, 1 insertions, 1 deletions

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 268a45ea238c..ac61ad1a5f9f 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -7586,7 +7586,7 @@ cpu_cgroup_css_alloc(struct cgroup_subsys_state *parent_css)
 static int cpu_cgroup_css_online(struct cgroup_subsys_state *css)
 {
         struct task_group *tg = css_tg(css);
-        struct task_group *parent = css_tg(css_parent(css));
+        struct task_group *parent = css_tg(css->parent);
 
         if (parent)
                 sched_online_group(tg, parent);