ipvs: Pass ipvs into ip_vs_conn_fill_param_proto

Move the ugly hack net_ipvs(skb_net(skb)) up a layer in the call stack
so it is easier to remove.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Acked-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Simon Horman <horms@verge.net.au>

net/netfilter/ipvs/ip_vs_conn.c

@@ -314,12 +314,12 @@ struct ip_vs_conn *ip_vs_conn_in_get(const struct ip_vs_conn_param *p)
 }
 
 static int
-ip_vs_conn_fill_param_proto(int af, const struct sk_buff *skb,
+ip_vs_conn_fill_param_proto(struct netns_ipvs *ipvs,
+			    int af, const struct sk_buff *skb,
 			    const struct ip_vs_iphdr *iph,
 			    struct ip_vs_conn_param *p)
 {
 	__be16 _ports[2], *pptr;
-	struct netns_ipvs *ipvs = net_ipvs(skb_net(skb));
 
 	pptr = frag_safe_skb_hp(skb, iph->len, sizeof(_ports), _ports, iph);
 	if (pptr == NULL)
@@ -338,9 +338,10 @@ struct ip_vs_conn *
 ip_vs_conn_in_get_proto(int af, const struct sk_buff *skb,
 			const struct ip_vs_iphdr *iph)
 {
+	struct netns_ipvs *ipvs = net_ipvs(skb_net(skb));
 	struct ip_vs_conn_param p;
 
-	if (ip_vs_conn_fill_param_proto(af, skb, iph, &p))
+	if (ip_vs_conn_fill_param_proto(ipvs, af, skb, iph, &p))
 		return NULL;
 
 	return ip_vs_conn_in_get(&p);
@@ -442,9 +443,10 @@ struct ip_vs_conn *
 ip_vs_conn_out_get_proto(int af, const struct sk_buff *skb,
 			 const struct ip_vs_iphdr *iph)
 {
+	struct netns_ipvs *ipvs = net_ipvs(skb_net(skb));
 	struct ip_vs_conn_param p;
 
-	if (ip_vs_conn_fill_param_proto(af, skb, iph, &p))
+	if (ip_vs_conn_fill_param_proto(ipvs, af, skb, iph, &p))
 		return NULL;
 
 	return ip_vs_conn_out_get(&p);