1 files changed, 5 insertions, 0 deletions

diff --git a/net/caif/caif_dev.c b/net/caif/caif_dev.c
index e601da7ca2ff..551d2fd6a80d 100644
--- a/net/caif/caif_dev.c
+++ b/net/caif/caif_dev.c
@@ -128,6 +128,11 @@ void caif_flow_cb(struct sk_buff *skb)
 
         rcu_read_lock();
         caifd = caif_get(skb->dev);
+
+        WARN_ON(caifd == NULL);
+        if (caifd == NULL)
+                return;
+
         caifd_hold(caifd);
         rcu_read_unlock();