net: use the macros defined for the members of flowi

Use the macros defined for the members of flowi to clean the code up.

Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/route.h b/include/net/route.h
index 5cd46d1..b8c1f77 100644
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -169,14 +169,12 @@
 {
 	struct flowi fl = { .oif = oif,
 			    .mark = sk->sk_mark,
-			    .nl_u = { .ip4_u = { .daddr = dst,
-						 .saddr = src,
-						 .tos   = tos } },
+			    .fl4_dst = dst,
+			    .fl4_src = src,
+			    .fl4_tos = tos,
 			    .proto = protocol,
-			    .uli_u = { .ports =
-				       { .sport = sport,
-					 .dport = dport } } };
-
+			    .fl_ip_sport = sport,
+			    .fl_ip_dport = dport };
 	int err;
 	struct net *net = sock_net(sk);