1 files changed, 3 insertions, 0 deletions

diff --git a/security/device_cgroup.c b/security/device_cgroup.c
index cd377b9082b5..3aacd0fe7179 100644
--- a/security/device_cgroup.c
+++ b/security/device_cgroup.c
@@ -513,6 +513,9 @@ int devcgroup_inode_mknod(int mode, dev_t dev)
         struct dev_cgroup *dev_cgroup;
         struct dev_whitelist_item *wh;
 
+        if (!S_ISBLK(mode) && !S_ISCHR(mode))
+                return 0;
+
         rcu_read_lock();
 
         dev_cgroup = task_devcgroup(current);