ipv4: Kill flowi arg to fib_select_multipath()

Completely unused.
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/ip_fib.h

@@ -230,7 +230,7 @@ extern int fib_sync_down_dev(struct net_device *dev, int force);
 extern int fib_sync_down_addr(struct net *net, __be32 local);
 extern void fib_update_nh_saddrs(struct net_device *dev);
 extern int fib_sync_up(struct net_device *dev);
-extern void fib_select_multipath(const struct flowi *flp, struct fib_result *res);
+extern void fib_select_multipath(struct fib_result *res);
 
 /* Exported by fib_trie.c */
 extern void fib_trie_init(void);

net/ipv4/fib_semantics.c

@@ -1210,7 +1210,7 @@ int fib_sync_up(struct net_device *dev)
  * The algorithm is suboptimal, but it provides really
  * fair weighted route distribution.
  */
-void fib_select_multipath(const struct flowi *flp, struct fib_result *res)
+void fib_select_multipath(struct fib_result *res)
 {
 	struct fib_info *fi = res->fi;
 	int w;

net/ipv4/route.c

@@ -2048,7 +2048,7 @@ static int ip_mkroute_input(struct sk_buff *skb,
 
 #ifdef CONFIG_IP_ROUTE_MULTIPATH
 	if (res->fi && res->fi->fib_nhs > 1)
-		fib_select_multipath(fl, res);
+		fib_select_multipath(res);
 #endif
 
 	/* create a routing cache entry */
@@ -2598,7 +2598,7 @@ static struct rtable *ip_route_output_slow(struct net *net,
 
 #ifdef CONFIG_IP_ROUTE_MULTIPATH
 	if (res.fi->fib_nhs > 1 && fl.oif == 0)
-		fib_select_multipath(&fl, &res);
+		fib_select_multipath(&res);
 	else
 #endif
 	if (!res.prefixlen && res.type == RTN_UNICAST && !fl.oif)