[RTNETLINK]: Use rtnl_unicast() for rtnetlink unicasts

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 9ba1e81..4f991a2 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -3268,9 +3268,7 @@
 		goto out_free;
 	}
 
-	err = netlink_unicast(rtnl, skb, NETLINK_CB(in_skb).pid, MSG_DONTWAIT);
-	if (err > 0)
-		err = 0;
+	err = rtnl_unicast(skb, NETLINK_CB(in_skb).pid);
 out:
 	in6_ifa_put(ifa);
 	return err;
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 9ce28277..024c8e2 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2044,9 +2044,7 @@
 		goto out_free;
 	}
 
-	err = netlink_unicast(rtnl, skb, NETLINK_CB(in_skb).pid, MSG_DONTWAIT);
-	if (err > 0)
-		err = 0;
+	err = rtnl_unicast(skb, NETLINK_CB(in_skb).pid);
 out:
 	return err;
 out_free: