1 files changed, 5 insertions, 3 deletions

diff --git a/net/caif/caif_dev.c b/net/caif/caif_dev.c
index 554b31289607..551d2fd6a80d 100644
--- a/net/caif/caif_dev.c
+++ b/net/caif/caif_dev.c
@@ -90,11 +90,8 @@ static int caifd_refcnt_read(struct caif_device_entry *e)
 /* Allocate new CAIF device. */
 static struct caif_device_entry *caif_device_alloc(struct net_device *dev)
 {
-        struct caif_device_entry_list *caifdevs;
         struct caif_device_entry *caifd;
 
-        caifdevs = caif_device_list(dev_net(dev));
-
         caifd = kzalloc(sizeof(*caifd), GFP_KERNEL);
         if (!caifd)
                 return NULL;
@@ -131,6 +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();