ipv6: additional ref count for hash list unnecessary

Since an address in hash list has to already have a ref count,
no additional ref count is needed.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 9d78c12..a0175ed 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -676,7 +676,6 @@
 	hash = ipv6_addr_hash(addr);
 
 	hlist_add_head_rcu(&ifa->addr_lst, &inet6_addr_lst[hash]);
-	in6_ifa_hold(ifa);
 	spin_unlock(&addrconf_hash_lock);
 
 	write_lock(&idev->lock);
@@ -724,7 +723,6 @@
 
 	spin_lock_bh(&addrconf_hash_lock);
 	hlist_del_init_rcu(&ifp->addr_lst);
-	__in6_ifa_put(ifp);
 	spin_unlock_bh(&addrconf_hash_lock);
 
 	write_lock_bh(&idev->lock);
@@ -2713,7 +2711,6 @@
 			/* clear hash table */
 			spin_lock_bh(&addrconf_hash_lock);
 			hlist_del_init_rcu(&ifa->addr_lst);
-			__in6_ifa_put(ifa);
 			spin_unlock_bh(&addrconf_hash_lock);
 		}