sysctl: ipv6: use correct net in ipv6_sysctl_rtcache_flush
[pandora-kernel.git] / net / ipv4 / devinet.c
index 748cb5b..df4616f 100644 (file)
@@ -1030,6 +1030,21 @@ static inline bool inetdev_valid_mtu(unsigned mtu)
        return mtu >= 68;
 }
 
+static void inetdev_send_gratuitous_arp(struct net_device *dev,
+                                       struct in_device *in_dev)
+
+{
+       struct in_ifaddr *ifa = in_dev->ifa_list;
+
+       if (!ifa)
+               return;
+
+       arp_send(ARPOP_REQUEST, ETH_P_ARP,
+                ifa->ifa_address, dev,
+                ifa->ifa_address, NULL,
+                dev->dev_addr, NULL);
+}
+
 /* Called only under RTNL semaphore */
 
 static int inetdev_event(struct notifier_block *this, unsigned long event,
@@ -1082,18 +1097,13 @@ static int inetdev_event(struct notifier_block *this, unsigned long event,
                }
                ip_mc_up(in_dev);
                /* fall through */
-       case NETDEV_NOTIFY_PEERS:
        case NETDEV_CHANGEADDR:
+               if (!IN_DEV_ARP_NOTIFY(in_dev))
+                       break;
+               /* fall through */
+       case NETDEV_NOTIFY_PEERS:
                /* Send gratuitous ARP to notify of link change */
-               if (IN_DEV_ARP_NOTIFY(in_dev)) {
-                       struct in_ifaddr *ifa = in_dev->ifa_list;
-
-                       if (ifa)
-                               arp_send(ARPOP_REQUEST, ETH_P_ARP,
-                                        ifa->ifa_address, dev,
-                                        ifa->ifa_address, NULL,
-                                        dev->dev_addr, NULL);
-               }
+               inetdev_send_gratuitous_arp(dev, in_dev);
                break;
        case NETDEV_DOWN:
                ip_mc_down(in_dev);