netfilter: ipset: move ip_set_get_ip_port() to ip_set_bitmap_port.c.

ip_set_get_ip_port() is only used in ip_set_bitmap_port.c.  Move it
there and make it static.
Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
Acked-by: Jozsef Kadlecsik <kadlec@netfilter.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

include/linux/netfilter/ipset/ip_set_getport.h

@@ -20,9 +20,6 @@ static inline bool ip_set_get_ip6_port(const struct sk_buff *skb, bool src,
 }
 #endif
 
-extern bool ip_set_get_ip_port(const struct sk_buff *skb, u8 pf, bool src,
-				__be16 *port);
-
 static inline bool ip_set_proto_with_ports(u8 proto)
 {
 	switch (proto) {

net/netfilter/ipset/ip_set_bitmap_port.c

@@ -96,6 +96,33 @@ bitmap_port_do_head(struct sk_buff *skb, const struct bitmap_port *map)
 	       nla_put_net16(skb, IPSET_ATTR_PORT_TO, htons(map->last_port));
 }
 
+static bool
+ip_set_get_ip_port(const struct sk_buff *skb, u8 pf, bool src, __be16 *port)
+{
+	bool ret;
+	u8 proto;
+
+	switch (pf) {
+	case NFPROTO_IPV4:
+		ret = ip_set_get_ip4_port(skb, src, port, &proto);
+		break;
+	case NFPROTO_IPV6:
+		ret = ip_set_get_ip6_port(skb, src, port, &proto);
+		break;
+	default:
+		return false;
+	}
+	if (!ret)
+		return ret;
+	switch (proto) {
+	case IPPROTO_TCP:
+	case IPPROTO_UDP:
+		return true;
+	default:
+		return false;
+	}
+}
+
 static int
 bitmap_port_kadt(struct ip_set *set, const struct sk_buff *skb,
 		 const struct xt_action_param *par,

net/netfilter/ipset/ip_set_getport.c

@@ -148,31 +148,3 @@ ip_set_get_ip6_port(const struct sk_buff *skb, bool src,
 }
 EXPORT_SYMBOL_GPL(ip_set_get_ip6_port);
 #endif
-
-bool
-ip_set_get_ip_port(const struct sk_buff *skb, u8 pf, bool src, __be16 *port)
-{
-	bool ret;
-	u8 proto;
-
-	switch (pf) {
-	case NFPROTO_IPV4:
-		ret = ip_set_get_ip4_port(skb, src, port, &proto);
-		break;
-	case NFPROTO_IPV6:
-		ret = ip_set_get_ip6_port(skb, src, port, &proto);
-		break;
-	default:
-		return false;
-	}
-	if (!ret)
-		return ret;
-	switch (proto) {
-	case IPPROTO_TCP:
-	case IPPROTO_UDP:
-		return true;
-	default:
-		return false;
-	}
-}
-EXPORT_SYMBOL_GPL(ip_set_get_ip_port);