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-rw-r--r--mm/memcontrol.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index b47bd3ad3c2b..11d659e3b08e 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -486,7 +486,7 @@ static DEFINE_MUTEX(memcg_create_mutex);
static inline
struct mem_cgroup *mem_cgroup_from_css(struct cgroup_subsys_state *s)
{
- return container_of(s, struct mem_cgroup, css);
+ return s ? container_of(s, struct mem_cgroup, css) : NULL;
}
/* Some nice accessors for the vmpressure. */