diff options
| -rw-r--r-- | kernel/cgroup.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c index e0aeb32415ff..8075b72d22be 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -3187,11 +3187,9 @@ css_next_descendant_post(struct cgroup_subsys_state *pos, WARN_ON_ONCE(!rcu_read_lock_held()); - /* if first iteration, visit the leftmost descendant */ - if (!pos) { - next = css_leftmost_descendant(root); - return next != root ? next : NULL; - } + /* if first iteration, visit leftmost descendant which may be @root */ + if (!pos) + return css_leftmost_descendant(root); /* if we visited @root, we're done */ if (pos == root) |