diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 86f5ca8c6fa62d3b2a3a2b4b279379bc753a8fcb..e9fc364d5e962a2cc146d3480b6a86bd9ad4207a 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -5111,7 +5111,7 @@ struct mem_cgroup *mem_cgroup_get_from_ino(unsigned long ino)
 
 	cgrp = cgroup_get_from_id(ino);
 	if (IS_ERR(cgrp))
-		return PTR_ERR(cgrp);
+		return ERR_CAST(cgrp);
 
 	css = cgroup_get_e_css(cgrp, &memory_cgrp_subsys);
 	if (css)