diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index c92a65b..7ca43eb 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -4782,7 +4782,7 @@
 static int mem_cgroup_can_attach(struct cgroup_taskset *tset)
 {
 	struct cgroup_subsys_state *css;
-	struct mem_cgroup *memcg;
+	struct mem_cgroup *memcg = NULL; /* unneeded init to make gcc happy */
 	struct mem_cgroup *from;
 	struct task_struct *leader, *p;
 	struct mm_struct *mm;