[SCTP]: sctp_process_init() and sctp_source() switched to net-endian.

both are done in one go since almost always we have result of
the latter immediately passed to the former.  Possibly non-obvious
note: sctp_process_param() is endian-agnostic
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/sctp/endpointola.c

@@ -346,10 +346,8 @@ 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,
-							  &tmp,
+							  sctp_source(chunk),
 							  &transport);
 			chunk->asoc = asoc;
 			chunk->transport = transport;

net/sctp/sm_make_chunk.c

@@ -1041,10 +1041,10 @@ const union sctp_addr *sctp_source(const struct sctp_chunk *chunk)
 {
 	/* If we have a known transport, use that.  */
 	if (chunk->transport) {
-		return &chunk->transport->ipaddr_h;
+		return &chunk->transport->ipaddr;
 	} else {
 		/* Otherwise, extract it from the IP header.  */
-		return &chunk->source_h;
+		return &chunk->source;
 	}
 }
 
@@ -1844,7 +1844,6 @@ int sctp_process_init(struct sctp_association *asoc, sctp_cid_t cid,
 	struct sctp_transport *transport;
 	struct list_head *pos, *temp;
 	char *cookie;
-	union sctp_addr tmp;
 
 	/* We must include the address that the INIT packet came from.
 	 * This is the only address that matters for an INIT packet.
@@ -1857,8 +1856,7 @@ int sctp_process_init(struct sctp_association *asoc, sctp_cid_t cid,
 	 * be a a better choice than any of the embedded addresses.
 	 */
 	if (peer_addr) {
-		flip_to_n(&tmp, peer_addr);
-		if(!sctp_assoc_add_peer(asoc, &tmp, gfp, SCTP_ACTIVE))
+		if(!sctp_assoc_add_peer(asoc, peer_addr, gfp, SCTP_ACTIVE))
 			goto nomem;
 	}
 
@@ -2419,7 +2417,6 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc,
 	union sctp_addr	addr;
 	struct list_head *pos;
 	union sctp_addr_param *addr_param;
-	union sctp_addr tmp;
 
 	addr_param = (union sctp_addr_param *)
 			((void *)asconf_param + sizeof(sctp_addip_param_t));
@@ -2463,8 +2460,7 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc,
 		 * an Error Cause TLV set to the new error code 'Request to
 		 * Delete Source IP Address'
 		 */
-		flip_to_n(&tmp, sctp_source(asconf));
-		if (sctp_cmp_addr_exact(&tmp, &addr))
+		if (sctp_cmp_addr_exact(sctp_source(asconf), &addr))
 			return SCTP_ERROR_DEL_SRC_IP;
 
 		sctp_assoc_del_peer(asoc, &addr);

net/sctp/sm_statefuns.c

@@ -598,7 +598,6 @@ sctp_disposition_t sctp_sf_do_5_1D_ce(const struct sctp_endpoint *ep,
 	struct sctp_ulpevent *ev, *ai_ev = NULL;
 	int error = 0;
 	struct sctp_chunk *err_chk_p;
-	union sctp_addr tmp;
 
 	/* If the packet is an OOTB packet which is temporarily on the
 	 * control endpoint, respond with an ABORT.
@@ -666,9 +665,8 @@ sctp_disposition_t sctp_sf_do_5_1D_ce(const struct sctp_endpoint *ep,
 	 */
 	peer_init = &chunk->subh.cookie_hdr->c.peer_init[0];
 
-	flip_to_h(&tmp, &chunk->subh.cookie_hdr->c.peer_addr);
 	if (!sctp_process_init(new_asoc, chunk->chunk_hdr->type,
-			       &tmp,
+			       &chunk->subh.cookie_hdr->c.peer_addr,
 			       peer_init, GFP_ATOMIC))
 		goto nomem_init;
 
@@ -5105,7 +5103,6 @@ static struct sctp_packet *sctp_ootb_pkt_new(const struct sctp_association *asoc
 	__u16 sport;
 	__u16 dport;
 	__u32 vtag;
-	union sctp_addr tmp;
 
 	/* Get the source and destination port from the inbound packet.  */
 	sport = ntohs(chunk->sctp_hdr->dest);
@@ -5136,8 +5133,7 @@ static struct sctp_packet *sctp_ootb_pkt_new(const struct sctp_association *asoc
 	}
 
 	/* Make a transport for the bucket, Eliza... */
-	flip_to_n(&tmp, sctp_source(chunk));
-	transport = sctp_transport_new(&tmp, GFP_ATOMIC);
+	transport = sctp_transport_new(sctp_source(chunk), GFP_ATOMIC);
 	if (!transport)
 		goto nomem;