[SCTP]: Switch sctp_endpoint_is_match() to net-endian.

The only caller (__sctp_rcv_lookup_endpoint()) also switched,
its caller adjusted

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/sctp/endpointola.c

@@ -228,12 +228,10 @@ struct sctp_endpoint *sctp_endpoint_is_match(struct sctp_endpoint *ep,
 					       const union sctp_addr *laddr)
 {
 	struct sctp_endpoint *retval;
-	union sctp_addr tmp;
-	flip_to_n(&tmp, laddr);
 
 	sctp_read_lock(&ep->base.addr_lock);
-	if (ep->base.bind_addr.port == laddr->v4.sin_port) {
-		if (sctp_bind_addr_match(&ep->base.bind_addr, &tmp,
+	if (htons(ep->base.bind_addr.port) == laddr->v4.sin_port) {
+		if (sctp_bind_addr_match(&ep->base.bind_addr, laddr,
 					 sctp_sk(ep->base.sk))) {
 			retval = ep;
 			goto out;

net/sctp/input.c

@@ -127,6 +127,7 @@ int sctp_rcv(struct sk_buff *skb)
 	struct sctphdr *sh;
 	union sctp_addr src;
 	union sctp_addr dest;
+	union sctp_addr tmp;
 	int family;
 	struct sctp_af *af;
 
@@ -180,8 +181,10 @@ int sctp_rcv(struct sk_buff *skb)
 
 	asoc = __sctp_rcv_lookup(skb, &src, &dest, &transport);
 
+	flip_to_n(&tmp, &dest);
+
 	if (!asoc)
-		ep = __sctp_rcv_lookup_endpoint(&dest);
+		ep = __sctp_rcv_lookup_endpoint(&tmp);
 
 	/* Retrieve the common input handling substructure. */
 	rcvr = asoc ? &asoc->base : &ep->base;
@@ -726,7 +729,7 @@ static struct sctp_endpoint *__sctp_rcv_lookup_endpoint(const union sctp_addr *l
 	struct sctp_endpoint *ep;
 	int hash;
 
-	hash = sctp_ep_hashfn(laddr->v4.sin_port);
+	hash = sctp_ep_hashfn(ntohs(laddr->v4.sin_port));
 	head = &sctp_ep_hashtable[hash];
 	read_lock(&head->lock);
 	for (epb = head->chain; epb; epb = epb->next) {