X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fnet%2Floopback.c;h=72b7949c91b15fab1f608302d5d8cc751245d1ba;hb=360ff7833098e944e5003618b03894251e937802;hp=1bc654a73c4758262e8e07e72ccd0b62c915813a;hpb=61357325f377889a1daffa14962d705dc814dd0e;p=safe%2Fjmp%2Flinux-2.6

diff --git a/drivers/net/loopback.c b/drivers/net/loopback.c
index 1bc654a..72b7949 100644
--- a/drivers/net/loopback.c
+++ b/drivers/net/loopback.c
@@ -72,7 +72,8 @@ struct pcpu_lstats {
 static netdev_tx_t loopback_xmit(struct sk_buff *skb,
 				 struct net_device *dev)
 {
-	struct pcpu_lstats *pcpu_lstats, *lb_stats;
+	struct pcpu_lstats __percpu *pcpu_lstats;
+	struct pcpu_lstats *lb_stats;
 	int len;
 
 	skb_orphan(skb);
@@ -80,8 +81,8 @@ static netdev_tx_t loopback_xmit(struct sk_buff *skb,
 	skb->protocol = eth_type_trans(skb, dev);
 
 	/* it's OK to use per_cpu_ptr() because BHs are off */
-	pcpu_lstats = dev->ml_priv;
-	lb_stats = per_cpu_ptr(pcpu_lstats, smp_processor_id());
+	pcpu_lstats = (void __percpu __force *)dev->ml_priv;
+	lb_stats = this_cpu_ptr(pcpu_lstats);
 
 	len = skb->len;
 	if (likely(netif_rx(skb) == NET_RX_SUCCESS)) {
@@ -95,14 +96,14 @@ static netdev_tx_t loopback_xmit(struct sk_buff *skb,
 
 static struct net_device_stats *loopback_get_stats(struct net_device *dev)
 {
-	const struct pcpu_lstats *pcpu_lstats;
+	const struct pcpu_lstats __percpu *pcpu_lstats;
 	struct net_device_stats *stats = &dev->stats;
 	unsigned long bytes = 0;
 	unsigned long packets = 0;
 	unsigned long drops = 0;
 	int i;
 
-	pcpu_lstats = dev->ml_priv;
+	pcpu_lstats = (void __percpu __force *)dev->ml_priv;
 	for_each_possible_cpu(i) {
 		const struct pcpu_lstats *lb_stats;
 
@@ -135,19 +136,20 @@ static const struct ethtool_ops loopback_ethtool_ops = {
 
 static int loopback_dev_init(struct net_device *dev)
 {
-	struct pcpu_lstats *lstats;
+	struct pcpu_lstats __percpu *lstats;
 
 	lstats = alloc_percpu(struct pcpu_lstats);
 	if (!lstats)
 		return -ENOMEM;
 
-	dev->ml_priv = lstats;
+	dev->ml_priv = (void __force *)lstats;
 	return 0;
 }
 
 static void loopback_dev_free(struct net_device *dev)
 {
-	struct pcpu_lstats *lstats = dev->ml_priv;
+	struct pcpu_lstats __percpu *lstats =
+		(void __percpu __force *)dev->ml_priv;
 
 	free_percpu(lstats);
 	free_netdev(dev);
@@ -207,20 +209,12 @@ static __net_init int loopback_net_init(struct net *net)
 out_free_netdev:
 	free_netdev(dev);
 out:
-	if (net == &init_net)
+	if (net_eq(net, &init_net))
 		panic("loopback: Failed to register netdevice: %d\n", err);
 	return err;
 }
 
-static __net_exit void loopback_net_exit(struct net *net)
-{
-	struct net_device *dev = net->loopback_dev;
-
-	unregister_netdev(dev);
-}
-
 /* Registered in net/core/dev.c */
 struct pernet_operations __net_initdata loopback_net_ops = {
        .init = loopback_net_init,
-       .exit = loopback_net_exit,
 };