ipv6: addrconf: don't remove address state on ifdown if the address is being kept

[pandora-kernel.git] / net / ipv6 / addrconf.c

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index e048ec6..b41ce0f 100644 (file)
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -2740,10 +2740,6 @@ static int addrconf_ifdown(struct net_device *dev, int how)
                        /* Flag it for later restoration when link comes up */
                        ifa->flags |= IFA_F_TENTATIVE;
                        ifa->state = INET6_IFADDR_STATE_DAD;
-
-                       write_unlock_bh(&idev->lock);
-
-                       in6_ifa_hold(ifa);
                } else {
                        list_del(&ifa->if_list);
 
@@ -2758,19 +2754,15 @@ static int addrconf_ifdown(struct net_device *dev, int how)
                        ifa->state = INET6_IFADDR_STATE_DEAD;
                        spin_unlock_bh(&ifa->state_lock);
 
-                       if (state == INET6_IFADDR_STATE_DEAD)
-                               goto put_ifa;
+                       if (state == INET6_IFADDR_STATE_DEAD) {
+                               in6_ifa_put(ifa);
+                       } else {
+                               __ipv6_ifa_notify(RTM_DELADDR, ifa);
+                               atomic_notifier_call_chain(&inet6addr_chain,
+                                                          NETDEV_DOWN, ifa);
+                       }
+                       write_lock_bh(&idev->lock);
                }
-
-               __ipv6_ifa_notify(RTM_DELADDR, ifa);
-               if (ifa->state == INET6_IFADDR_STATE_DEAD)
-                       atomic_notifier_call_chain(&inet6addr_chain,
-                                                  NETDEV_DOWN, ifa);
-
-put_ifa:
-               in6_ifa_put(ifa);
-
-               write_lock_bh(&idev->lock);
        }
 
        list_splice(&keep_list, &idev->addr_list);