- const struct net_device *dev = ((struct in_ifaddr *)ptr)->ifa_dev->dev;
-
- if (event == NETDEV_DOWN) {
- /* IP address was deleted. Search entire table for
- conntracks which were associated with that device,
- and forget them. */
- NF_CT_ASSERT(dev->ifindex != 0);
-
- nf_ct_iterate_cleanup(device_cmp, (void *)(long)dev->ifindex);
- }
-
- return NOTIFY_DONE;
+ struct net_device *dev = ((struct in_ifaddr *)ptr)->ifa_dev->dev;
+ return masq_device_event(this, event, dev);