---

yaml
---
r: 255339
b: refs/heads/master
c: 160ff18
h: refs/heads/master
i:
  255337: 707355c
  255335: 6d3a471
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e990b37b906b6137d353ef2a918e15e5763d70ec
+refs/heads/master: 160ff18a07f3a505d452dcced8e45ecdd0a85506

trunk/net/packet/af_packet.c

@@ -1342,6 +1342,10 @@ static int packet_release(struct socket *sock)
 		__dev_remove_pack(&po->prot_hook);
 		__sock_put(sk);
 	}
+	if (po->prot_hook.dev) {
+		dev_put(po->prot_hook.dev);
+		po->prot_hook.dev = NULL;
+	}
 	spin_unlock(&po->bind_lock);
 
 	packet_flush_mclist(sk);
@@ -1395,6 +1399,8 @@ static int packet_do_bind(struct sock *sk, struct net_device *dev, __be16 protoc
 
 	po->num = protocol;
 	po->prot_hook.type = protocol;
+	if (po->prot_hook.dev)
+		dev_put(po->prot_hook.dev);
 	po->prot_hook.dev = dev;
 
 	po->ifindex = dev ? dev->ifindex : 0;
@@ -1439,10 +1445,8 @@ static int packet_bind_spkt(struct socket *sock, struct sockaddr *uaddr,
 	strlcpy(name, uaddr->sa_data, sizeof(name));
 
 	dev = dev_get_by_name(sock_net(sk), name);
-	if (dev) {
+	if (dev)
 		err = packet_do_bind(sk, dev, pkt_sk(sk)->num);
-		dev_put(dev);
-	}
 	return err;
 }
 
@@ -1470,8 +1474,6 @@ static int packet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len
 			goto out;
 	}
 	err = packet_do_bind(sk, dev, sll->sll_protocol ? : pkt_sk(sk)->num);
-	if (dev)
-		dev_put(dev);
 
 out:
 	return err;
@@ -2240,6 +2242,8 @@ static int packet_notifier(struct notifier_block *this, unsigned long msg, void
 				}
 				if (msg == NETDEV_UNREGISTER) {
 					po->ifindex = -1;
+					if (po->prot_hook.dev)
+						dev_put(po->prot_hook.dev);
 					po->prot_hook.dev = NULL;
 				}
 				spin_unlock(&po->bind_lock);