4 files changed, 21 insertions, 63 deletions

diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index 44ebd5c2cd4a..64c6bed4a3d3 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -250,7 +250,8 @@ static int register_vlan_device(struct net_device *real_dev, u16 vlan_id)
 		snprintf(name, IFNAMSIZ, "vlan%.4i", vlan_id);
 	}
 
-	new_dev = alloc_netdev(sizeof(struct vlan_dev_priv), name, vlan_setup);
+	new_dev = alloc_netdev(sizeof(struct vlan_dev_priv), name,
+			       NET_NAME_UNKNOWN, vlan_setup);
 
 	if (new_dev == NULL)
 		return -ENOBUFS;
@@ -324,23 +325,24 @@ static void vlan_transfer_features(struct net_device *dev,
 	netdev_update_features(vlandev);
 }
 
-static void __vlan_device_event(struct net_device *dev, unsigned long event)
+static int __vlan_device_event(struct net_device *dev, unsigned long event)
 {
+	int err = 0;
+
 	switch (event) {
 	case NETDEV_CHANGENAME:
 		vlan_proc_rem_dev(dev);
-		if (vlan_proc_add_dev(dev) < 0)
-			pr_warn("failed to change proc name for %s\n",
-				dev->name);
+		err = vlan_proc_add_dev(dev);
 		break;
 	case NETDEV_REGISTER:
-		if (vlan_proc_add_dev(dev) < 0)
-			pr_warn("failed to add proc entry for %s\n", dev->name);
+		err = vlan_proc_add_dev(dev);
 		break;
 	case NETDEV_UNREGISTER:
 		vlan_proc_rem_dev(dev);
 		break;
 	}
+
+	return err;
 }
 
 static int vlan_device_event(struct notifier_block *unused, unsigned long event,
@@ -355,8 +357,12 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
 	bool last = false;
 	LIST_HEAD(list);
 
-	if (is_vlan_dev(dev))
-		__vlan_device_event(dev, event);
+	if (is_vlan_dev(dev)) {
+		int err = __vlan_device_event(dev, event);
+
+		if (err)
+			return notifier_from_errno(err);
+	}
 
 	if ((event == NETDEV_UP) &&
 	    (dev->features & NETIF_F_HW_VLAN_CTAG_FILTER)) {
diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index 75d427763992..90cc2bdd4064 100644
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -112,59 +112,6 @@ __be16 vlan_dev_vlan_proto(const struct net_device *dev)
 }
 EXPORT_SYMBOL(vlan_dev_vlan_proto);
 
-static struct sk_buff *vlan_reorder_header(struct sk_buff *skb)
-{
-	if (skb_cow(skb, skb_headroom(skb)) < 0) {
-		kfree_skb(skb);
-		return NULL;
-	}
-
-	memmove(skb->data - ETH_HLEN, skb->data - VLAN_ETH_HLEN, 2 * ETH_ALEN);
-	skb->mac_header += VLAN_HLEN;
-	return skb;
-}
-
-struct sk_buff *vlan_untag(struct sk_buff *skb)
-{
-	struct vlan_hdr *vhdr;
-	u16 vlan_tci;
-
-	if (unlikely(vlan_tx_tag_present(skb))) {
-		/* vlan_tci is already set-up so leave this for another time */
-		return skb;
-	}
-
-	skb = skb_share_check(skb, GFP_ATOMIC);
-	if (unlikely(!skb))
-		goto err_free;
-
-	if (unlikely(!pskb_may_pull(skb, VLAN_HLEN)))
-		goto err_free;
-
-	vhdr = (struct vlan_hdr *) skb->data;
-	vlan_tci = ntohs(vhdr->h_vlan_TCI);
-	__vlan_hwaccel_put_tag(skb, skb->protocol, vlan_tci);
-
-	skb_pull_rcsum(skb, VLAN_HLEN);
-	vlan_set_encap_proto(skb, vhdr);
-
-	skb = vlan_reorder_header(skb);
-	if (unlikely(!skb))
-		goto err_free;
-
-	skb_reset_network_header(skb);
-	skb_reset_transport_header(skb);
-	skb_reset_mac_len(skb);
-
-	return skb;
-
-err_free:
-	kfree_skb(skb);
-	return NULL;
-}
-EXPORT_SYMBOL(vlan_untag);
-
-
 /*
  * vlan info and vid list
  */
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index dd11f612e03e..0d441ec8763e 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -385,6 +385,8 @@ static int vlan_dev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 	case SIOCGMIIPHY:
 	case SIOCGMIIREG:
 	case SIOCSMIIREG:
+	case SIOCSHWTSTAMP:
+	case SIOCGHWTSTAMP:
 		if (netif_device_present(real_dev) && ops->ndo_do_ioctl)
 			err = ops->ndo_do_ioctl(real_dev, &ifrr, cmd);
 		break;
@@ -797,7 +799,8 @@ void vlan_setup(struct net_device *dev)
 	ether_setup(dev);
 
 	dev->priv_flags		|= IFF_802_1Q_VLAN;
-	dev->priv_flags		&= ~(IFF_XMIT_DST_RELEASE | IFF_TX_SKB_SHARING);
+	dev->priv_flags		&= ~IFF_TX_SKB_SHARING;
+	netif_keep_dst(dev);
 	dev->tx_queue_len	= 0;
 
 	dev->netdev_ops		= &vlan_netdev_ops;
diff --git a/net/8021q/vlanproc.c b/net/8021q/vlanproc.c
index 1d0e89213a28..ae63cf72a953 100644
--- a/net/8021q/vlanproc.c
+++ b/net/8021q/vlanproc.c
@@ -171,6 +171,8 @@ int vlan_proc_add_dev(struct net_device *vlandev)
 	struct vlan_dev_priv *vlan = vlan_dev_priv(vlandev);
 	struct vlan_net *vn = net_generic(dev_net(vlandev), vlan_net_id);
 
+	if (!strcmp(vlandev->name, name_conf))
+		return -EINVAL;
 	vlan->dent =
 		proc_create_data(vlandev->name, S_IFREG|S_IRUSR|S_IWUSR,
 				 vn->proc_vlan_dir, &vlandev_fops, vlandev);