1 files changed, 1 insertions, 1 deletions

diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 422cb19f156e..3ac6f5b0a64b 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -4598,7 +4598,7 @@ static int alloc_css_id(struct cgroup_subsys *ss, struct cgroup *parent,
         parent_css = parent->subsys[subsys_id];
         child_css = child->subsys[subsys_id];
         parent_id = parent_css->id;
-        depth = parent_id->depth;
+        depth = parent_id->depth + 1;
 
         child_id = get_new_cssid(ss, depth);
         if (IS_ERR(child_id))