1 files changed, 9 insertions, 30 deletions

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 40fabdee42ae..1220e2c7831e 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -2611,9 +2611,6 @@ static int addrconf_ifdown(struct net_device *dev, int how)
 
         ASSERT_RTNL();
 
-        if ((dev->flags & IFF_LOOPBACK) && how == 1)
-                how = 0;
-
         rt6_ifdown(net, dev);
         neigh_ifdown(&nd_tbl, dev);
 
@@ -4448,25 +4445,6 @@ int unregister_inet6addr_notifier(struct notifier_block *nb)
 
 EXPORT_SYMBOL(unregister_inet6addr_notifier);
 
-static void addrconf_net_exit(struct net *net)
-{
-        struct net_device *dev;
-
-        rtnl_lock();
-        /* clean dev list */
-        for_each_netdev(net, dev) {
-                if (__in6_dev_get(dev) == NULL)
-                        continue;
-                addrconf_ifdown(dev, 1);
-        }
-        addrconf_ifdown(net->loopback_dev, 2);
-        rtnl_unlock();
-}
-
-static struct pernet_operations addrconf_net_ops = {
-        .exit = addrconf_net_exit,
-};
-
 /*
  *      Init / cleanup code
  */
@@ -4508,10 +4486,6 @@ int __init addrconf_init(void)
         if (err)
                 goto errlo;
 
-        err = register_pernet_device(&addrconf_net_ops);
-        if (err)
-                return err;
-
         register_netdevice_notifier(&ipv6_dev_notf);
 
         addrconf_verify(0);
@@ -4541,15 +4515,22 @@ errlo:
 void addrconf_cleanup(void)
 {
         struct inet6_ifaddr *ifa;
+        struct net_device *dev;
         int i;
 
         unregister_netdevice_notifier(&ipv6_dev_notf);
-        unregister_pernet_device(&addrconf_net_ops);
-
         unregister_pernet_subsys(&addrconf_ops);
 
         rtnl_lock();
 
+        /* clean dev list */
+        for_each_netdev(&init_net, dev) {
+                if (__in6_dev_get(dev) == NULL)
+                        continue;
+                addrconf_ifdown(dev, 1);
+        }
+        addrconf_ifdown(init_net.loopback_dev, 2);
+
         /*
          *      Check hash table.
          */
@@ -4570,6 +4551,4 @@ void addrconf_cleanup(void)
 
         del_timer(&addr_chk_timer);
         rtnl_unlock();
-
-        unregister_pernet_subsys(&addrconf_net_ops);
 }