[IPV6] Fix joining all-node multicast group.

Signed-off-by: Adrian Bunk <bunk@stusta.de>

net/ipv6/addrconf.c

@@ -321,6 +321,7 @@ void in6_dev_finish_destroy(struct inet6_dev *idev)
 static struct inet6_dev * ipv6_add_dev(struct net_device *dev)
 {
 	struct inet6_dev *ndev;
+	struct in6_addr maddr;
 
 	ASSERT_RTNL();
 
@@ -406,6 +407,9 @@ static struct inet6_dev * ipv6_add_dev(struct net_device *dev)
 		dev->ip6_ptr = ndev;
 		write_unlock_bh(&addrconf_lock);
 
+		/* Join all-node multicast group */
+		ipv6_addr_all_nodes(&maddr);
+		ipv6_dev_mc_inc(dev, &maddr);
 	}
 	return ndev;
 }

net/ipv6/mcast.c

@@ -2252,8 +2252,6 @@ void ipv6_mc_up(struct inet6_dev *idev)
 
 void ipv6_mc_init_dev(struct inet6_dev *idev)
 {
-	struct in6_addr maddr;
-
 	write_lock_bh(&idev->lock);
 	rwlock_init(&idev->mc_lock);
 	idev->mc_gq_running = 0;
@@ -2269,10 +2267,6 @@ void ipv6_mc_init_dev(struct inet6_dev *idev)
 	idev->mc_maxdelay = IGMP6_UNSOLICITED_IVAL;
 	idev->mc_v1_seen = 0;
 	write_unlock_bh(&idev->lock);
-
-	/* Add all-nodes address. */
-	ipv6_addr_all_nodes(&maddr);
-	ipv6_dev_mc_inc(idev->dev, &maddr);
 }
 
 /*