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-rw-r--r--security/device_cgroup.c3
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);