1 files changed, 35 insertions, 24 deletions

diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 11700a4dcd95..438fab9c62a0 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -9,8 +9,6 @@
  *      as published by the Free Software Foundation; either version
  *      2 of the License, or (at your option) any later version.
  *
- *      Version: $Id: ipmr.c,v 1.65 2001/10/31 21:55:54 davem Exp $
- *
  *      Fixes:
  *      Michael Chastain        :       Incorrect size of copying.
  *      Alan Cox                :       Added the cache manager code
@@ -181,26 +179,20 @@ static int reg_vif_num = -1;
 static int reg_vif_xmit(struct sk_buff *skb, struct net_device *dev)
 {
         read_lock(&mrt_lock);
-        ((struct net_device_stats*)netdev_priv(dev))->tx_bytes += skb->len;
-        ((struct net_device_stats*)netdev_priv(dev))->tx_packets++;
+        dev->stats.tx_bytes += skb->len;
+        dev->stats.tx_packets++;
         ipmr_cache_report(skb, reg_vif_num, IGMPMSG_WHOLEPKT);
         read_unlock(&mrt_lock);
         kfree_skb(skb);
         return 0;
 }
 
-static struct net_device_stats *reg_vif_get_stats(struct net_device *dev)
-{
-        return (struct net_device_stats*)netdev_priv(dev);
-}
-
 static void reg_vif_setup(struct net_device *dev)
 {
         dev->type               = ARPHRD_PIMREG;
         dev->mtu                = ETH_DATA_LEN - sizeof(struct iphdr) - 8;
         dev->flags              = IFF_NOARP;
         dev->hard_start_xmit    = reg_vif_xmit;
-        dev->get_stats          = reg_vif_get_stats;
         dev->destructor         = free_netdev;
 }
 
@@ -209,8 +201,7 @@ static struct net_device *ipmr_reg_vif(void)
         struct net_device *dev;
         struct in_device *in_dev;
 
-        dev = alloc_netdev(sizeof(struct net_device_stats), "pimreg",
-                           reg_vif_setup);
+        dev = alloc_netdev(0, "pimreg", reg_vif_setup);
 
         if (dev == NULL)
                 return NULL;
@@ -1170,8 +1161,8 @@ static void ipmr_queue_xmit(struct sk_buff *skb, struct mfc_cache *c, int vifi)
         if (vif->flags & VIFF_REGISTER) {
                 vif->pkt_out++;
                 vif->bytes_out+=skb->len;
-                ((struct net_device_stats*)netdev_priv(vif->dev))->tx_bytes += skb->len;
-                ((struct net_device_stats*)netdev_priv(vif->dev))->tx_packets++;
+                vif->dev->stats.tx_bytes += skb->len;
+                vif->dev->stats.tx_packets++;
                 ipmr_cache_report(skb, vifi, IGMPMSG_WHOLEPKT);
                 kfree_skb(skb);
                 return;
@@ -1230,8 +1221,8 @@ static void ipmr_queue_xmit(struct sk_buff *skb, struct mfc_cache *c, int vifi)
         if (vif->flags & VIFF_TUNNEL) {
                 ip_encap(skb, vif->local, vif->remote);
                 /* FIXME: extra output firewall step used to be here. --RR */
-                ((struct ip_tunnel *)netdev_priv(vif->dev))->stat.tx_packets++;
-                ((struct ip_tunnel *)netdev_priv(vif->dev))->stat.tx_bytes+=skb->len;
+                vif->dev->stats.tx_packets++;
+                vif->dev->stats.tx_bytes += skb->len;
         }
 
         IPCB(skb)->flags |= IPSKB_FORWARDED;
@@ -1487,8 +1478,8 @@ int pim_rcv_v1(struct sk_buff * skb)
         skb->pkt_type = PACKET_HOST;
         dst_release(skb->dst);
         skb->dst = NULL;
-        ((struct net_device_stats*)netdev_priv(reg_dev))->rx_bytes += skb->len;
-        ((struct net_device_stats*)netdev_priv(reg_dev))->rx_packets++;
+        reg_dev->stats.rx_bytes += skb->len;
+        reg_dev->stats.rx_packets++;
         nf_reset(skb);
         netif_rx(skb);
         dev_put(reg_dev);
@@ -1542,8 +1533,8 @@ static int pim_rcv(struct sk_buff * skb)
         skb->ip_summed = 0;
         skb->pkt_type = PACKET_HOST;
         dst_release(skb->dst);
-        ((struct net_device_stats*)netdev_priv(reg_dev))->rx_bytes += skb->len;
-        ((struct net_device_stats*)netdev_priv(reg_dev))->rx_packets++;
+        reg_dev->stats.rx_bytes += skb->len;
+        reg_dev->stats.rx_packets++;
         skb->dst = NULL;
         nf_reset(skb);
         netif_rx(skb);
@@ -1887,16 +1878,36 @@ static struct net_protocol pim_protocol = {
  *      Setup for IP multicast routing
  */
 
-void __init ip_mr_init(void)
+int __init ip_mr_init(void)
 {
+        int err;
+
         mrt_cachep = kmem_cache_create("ip_mrt_cache",
                                        sizeof(struct mfc_cache),
                                        0, SLAB_HWCACHE_ALIGN|SLAB_PANIC,
                                        NULL);
+        if (!mrt_cachep)
+                return -ENOMEM;
+
         setup_timer(&ipmr_expire_timer, ipmr_expire_process, 0);
-        register_netdevice_notifier(&ip_mr_notifier);
+        err = register_netdevice_notifier(&ip_mr_notifier);
+        if (err)
+                goto reg_notif_fail;
+#ifdef CONFIG_PROC_FS
+        err = -ENOMEM;
+        if (!proc_net_fops_create(&init_net, "ip_mr_vif", 0, &ipmr_vif_fops))
+                goto proc_vif_fail;
+        if (!proc_net_fops_create(&init_net, "ip_mr_cache", 0, &ipmr_mfc_fops))
+                goto proc_cache_fail;
+#endif
+        return 0;
+reg_notif_fail:
+        kmem_cache_destroy(mrt_cachep);
 #ifdef CONFIG_PROC_FS
-        proc_net_fops_create(&init_net, "ip_mr_vif", 0, &ipmr_vif_fops);
-        proc_net_fops_create(&init_net, "ip_mr_cache", 0, &ipmr_mfc_fops);
+proc_vif_fail:
+        unregister_netdevice_notifier(&ip_mr_notifier);
+proc_cache_fail:
+        proc_net_remove(&init_net, "ip_mr_vif");
 #endif
+        return err;
 }