1 files changed, 1 insertions, 1 deletions

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 2fc6d6c48238..e44fb0fbb80e 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -932,7 +932,7 @@ static int __mem_cgroup_try_charge(struct mm_struct *mm,
         if (unlikely(!mem))
                 return 0;
 
-        VM_BUG_ON(mem_cgroup_is_obsolete(mem));
+        VM_BUG_ON(!mem || mem_cgroup_is_obsolete(mem));
 
         while (1) {
                 int ret;