netfilter: remove saveroute indirection in struct nf_afinfo

This is only used by nf_queue.c and this function comes with no symbol
dependencies with IPv6, it just refers to structure layouts. Therefore,
we can replace it by a direct function call from where it belongs.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

net/bridge/netfilter/nf_tables_bridge.c

@@ -95,11 +95,6 @@ static const struct nf_chain_type filter_bridge = {
 	},
 };
 
-static void nf_br_saveroute(const struct sk_buff *skb,
-			    struct nf_queue_entry *entry)
-{
-}
-
 static int nf_br_reroute(struct net *net, struct sk_buff *skb,
 			 const struct nf_queue_entry *entry)
 {
@@ -115,7 +110,6 @@ static int nf_br_route(struct net *net, struct dst_entry **dst,
 static const struct nf_afinfo nf_br_afinfo = {
 	.family                 = AF_BRIDGE,
 	.route                  = nf_br_route,
-	.saveroute              = nf_br_saveroute,
 	.reroute                = nf_br_reroute,
 	.route_key_size         = 0,
 };