1 files changed, 1 insertions, 1 deletions

diff --git a/security/device_cgroup.c b/security/device_cgroup.c
index 87a0a037fbd6..90953648c643 100644
--- a/security/device_cgroup.c
+++ b/security/device_cgroup.c
@@ -53,7 +53,7 @@ struct dev_cgroup {
 
 static inline struct dev_cgroup *css_to_devcgroup(struct cgroup_subsys_state *s)
 {
-        return container_of(s, struct dev_cgroup, css);
+        return s ? container_of(s, struct dev_cgroup, css) : NULL;
 }
 
 static inline struct dev_cgroup *cgroup_to_devcgroup(struct cgroup *cgroup)