---

yaml --- r: 183776 b: refs/heads/master c: 8b64056 h: refs/heads/master v: v3
git-mirror · Feb 2, 2010 · 32cb787 · 32cb787
1 parent 754a1f4
commit 32cb787
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Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 44298ec0f20c45b9be96e181976aef1152d373b2
+refs/heads/master: 8b64056dacf6ec81986d63dff96fca039fe95f6e
diff --git a/trunk/net/can/af_can.c b/trunk/net/can/af_can.c
@@ -415,6 +415,9 @@ int can_rx_register(struct net_device *dev, canid_t can_id, canid_t mask,
 
 	/* insert new receiver  (dev,canid,mask) -> (func,data) */
 
+	if (dev && dev->type != ARPHRD_CAN)
+		return -ENODEV;
+
 	r = kmem_cache_alloc(rcv_cache, GFP_KERNEL);
 	if (!r)
 		return -ENOMEM;
@@ -478,6 +481,9 @@ void can_rx_unregister(struct net_device *dev, canid_t can_id, canid_t mask,
 	struct hlist_node *next;
 	struct dev_rcv_lists *d;
 
+	if (dev && dev->type != ARPHRD_CAN)
+		return;
+
 	spin_lock(&can_rcvlists_lock);
 
 	d = find_dev_rcv_lists(dev);