diff --git a/net/caif/caif_dev.c b/net/caif/caif_dev.c
index e601da7..551d2fd 100644
--- a/net/caif/caif_dev.c
+++ b/net/caif/caif_dev.c
@@ -128,6 +128,11 @@
 
 	rcu_read_lock();
 	caifd = caif_get(skb->dev);
+
+	WARN_ON(caifd == NULL);
+	if (caifd == NULL)
+		return;
+
 	caifd_hold(caifd);
 	rcu_read_unlock();