diff --git a/net/sctp/endpointola.c b/net/sctp/endpointola.c
index c543f3250645c432fccfb40076d529c2404f92df..5ffb1af336c0180321a35e5fcf8cc1ad7ed68d18 100644
--- a/net/sctp/endpointola.c
+++ b/net/sctp/endpointola.c
@@ -257,16 +257,14 @@ static struct sctp_association *__sctp_endpoint_lookup_assoc(
 	int rport;
 	struct sctp_association *asoc;
 	struct list_head *pos;
-	union sctp_addr tmp;
-	flip_to_n(&tmp, paddr);
 
-	rport = paddr->v4.sin_port;
+	rport = ntohs(paddr->v4.sin_port);
 
 	list_for_each(pos, &ep->asocs) {
 		asoc = list_entry(pos, struct sctp_association, asocs);
 		if (rport == asoc->peer.port) {
 			sctp_read_lock(&asoc->base.addr_lock);
-			*transport = sctp_assoc_lookup_paddr(asoc, &tmp);
+			*transport = sctp_assoc_lookup_paddr(asoc, paddr);
 			sctp_read_unlock(&asoc->base.addr_lock);
 
 			if (*transport)
@@ -348,8 +346,10 @@ static void sctp_endpoint_bh_rcv(struct sctp_endpoint *ep)
 		 * COOKIE-ECHO chunk.
 		 */
 		if (NULL == chunk->asoc) {
+			union sctp_addr tmp;
+			flip_to_n(&tmp, sctp_source(chunk));
 			asoc = sctp_endpoint_lookup_assoc(ep,
-							  sctp_source(chunk),
+							  &tmp,
 							  &transport);
 			chunk->asoc = asoc;
 			chunk->transport = transport;
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index d09589a51c44b561deb23897929888a1c0e53bc2..6beaa7821ca673d072b93d9b756b741c02948f39 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -228,11 +228,9 @@ static struct sctp_transport *sctp_addr_id2transport(struct sock *sk,
 	struct sctp_association *addr_asoc = NULL, *id_asoc = NULL;
 	struct sctp_transport *transport;
 	union sctp_addr *laddr = (union sctp_addr *)addr;
-	union sctp_addr tmp;
 
-	flip_to_h(&tmp, laddr);
 	addr_asoc = sctp_endpoint_lookup_assoc(sctp_sk(sk)->ep,
-					       &tmp,
+					       laddr,
 					       &transport);
 
 	if (!addr_asoc)
@@ -1007,7 +1005,7 @@ static int __sctp_connect(struct sock* sk,
 		/* Check if there already is a matching association on the
 		 * endpoint (other than the one created here).
 		 */
-		asoc2 = sctp_endpoint_lookup_assoc(ep, &to, &transport);
+		asoc2 = sctp_endpoint_lookup_assoc(ep, sa_addr, &transport);
 		if (asoc2 && asoc2 != asoc) {
 			if (asoc2->state >= SCTP_STATE_ESTABLISHED)
 				err = -EISCONN;
@@ -1468,7 +1466,7 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk,
 	/* If a msg_name has been specified, assume this is to be used.  */
 	if (msg_name) {
 		/* Look for a matching association on the endpoint. */
-		asoc = sctp_endpoint_lookup_assoc(ep, &to, &transport);
+		asoc = sctp_endpoint_lookup_assoc(ep, &tmp, &transport);
 		if (!asoc) {
 			/* If we could not find a matching association on the
 			 * endpoint, make sure that it is not a TCP-style