[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/decnet/dn_route.c b/net/decnet/dn_route.c
index 4c96321..c5daf35 100644
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -1611,9 +1611,7 @@
 		goto out_free;
 	}
 
-	err = netlink_unicast(rtnl, skb, NETLINK_CB(in_skb).pid, MSG_DONTWAIT);
-
-	return err;
+	return rtnl_unicast(skb, NETLINK_CB(in_skb).pid);
 
 out_free:
 	kfree_skb(skb);