[NETFILTER]: x_tables: add SCTP/DCCP support where missing

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c
index aad9d28..dbc83c5 100644
--- a/net/ipv4/netfilter/ipt_CLUSTERIP.c
+++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c
@@ -241,25 +241,17 @@
 	struct iphdr *iph = skb->nh.iph;
 	unsigned long hashval;
 	u_int16_t sport, dport;
-	struct tcphdr *th;
-	struct udphdr *uh;
-	struct icmphdr *ih;
+	u_int16_t *ports;
 
 	switch (iph->protocol) {
 	case IPPROTO_TCP:
-		th = (void *)iph+iph->ihl*4;
-		sport = ntohs(th->source);
-		dport = ntohs(th->dest);
-		break;
 	case IPPROTO_UDP:
-		uh = (void *)iph+iph->ihl*4;
-		sport = ntohs(uh->source);
-		dport = ntohs(uh->dest);
-		break;
+	case IPPROTO_SCTP:
+	case IPPROTO_DCCP:
 	case IPPROTO_ICMP:
-		ih = (void *)iph+iph->ihl*4;
-		sport = ntohs(ih->un.echo.id);
-		dport = (ih->type<<8)|ih->code;
+		ports = (void *)iph+iph->ihl*4;
+		sport = ports[0];
+		dport = ports[1];
 		break;
 	default:
 		if (net_ratelimit()) {