netdev - [PATCH net-next 06/12] vxlan: move freecpu to uninit

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Date:	Mon, 10 Jun 2013 13:24:48 -0700
From:	Stephen Hemminger <stephen@...workplumber.org>
To:	davem@...emloft.net
Cc:	netdev@...r.kernel.org,
	Stephen Hemminger <stephen@...workplumber.org>
Subject: [PATCH net-next 06/12] vxlan: move freecpu to uninit

Use ndo_uninit to avoid having to override destructor.

Signed-off-by: Stephen Hemminger <stephen@...workplumber.org>

--- a/drivers/net/vxlan.c	2013-06-10 12:19:59.522092022 -0700
+++ b/drivers/net/vxlan.c	2013-06-10 12:20:00.590079878 -0700
@@ -1272,6 +1272,17 @@ static int vxlan_init(struct net_device
 	return 0;
 }
 
+static void vxlan_uninit(struct net_device *dev)
+{
+	struct vxlan_dev *vxlan = netdev_priv(dev);
+	struct vxlan_net *vn = net_generic(dev_net(dev), vxlan_net_id);
+	struct vxlan_sock *vs = vxlan->vn_sock;
+
+	if (vs)
+		vxlan_sock_release(vn, vs);
+	free_percpu(dev->tstats);
+}
+
 /* Start ageing timer and join group when device is brought up */
 static int vxlan_open(struct net_device *dev)
 {
@@ -1337,6 +1348,7 @@ static void vxlan_set_multicast_list(str
 
 static const struct net_device_ops vxlan_netdev_ops = {
 	.ndo_init		= vxlan_init,
+	.ndo_uninit		= vxlan_uninit,
 	.ndo_open		= vxlan_open,
 	.ndo_stop		= vxlan_stop,
 	.ndo_start_xmit		= vxlan_xmit,
@@ -1355,12 +1367,6 @@ static struct device_type vxlan_type = {
 	.name = "vxlan",
 };
 
-static void vxlan_free(struct net_device *dev)
-{
-	free_percpu(dev->tstats);
-	free_netdev(dev);
-}
-
 /* Initialize the device structure. */
 static void vxlan_setup(struct net_device *dev)
 {
@@ -1373,7 +1379,7 @@ static void vxlan_setup(struct net_devic
 	dev->hard_header_len = ETH_HLEN + VXLAN_HEADROOM;
 
 	dev->netdev_ops = &vxlan_netdev_ops;
-	dev->destructor = vxlan_free;
+	dev->destructor = free_netdev;
 	SET_NETDEV_DEVTYPE(dev, &vxlan_type);
 
 	dev->tx_queue_len = 0;
@@ -1676,14 +1682,10 @@ static int vxlan_newlink(struct net *net
 static void vxlan_dellink(struct net_device *dev, struct list_head *head)
 {
 	struct vxlan_dev *vxlan = netdev_priv(dev);
-	struct vxlan_net *vn = net_generic(dev_net(dev), vxlan_net_id);
-	struct vxlan_sock *vs = vxlan->vn_sock;
 
 	hlist_del_rcu(&vxlan->hlist);
 	list_del(&vxlan->next);
 	unregister_netdevice_queue(dev, head);
-	if (vs)
-		vxlan_sock_release(vn, vs);
 }
 
 static size_t vxlan_get_size(const struct net_device *dev)

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