Linux-libre 4.8.2-gnupck-4.8.2-gnu

1 files changed, 10 insertions, 22 deletions

diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 56f364d8f..46ffecc57 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -108,14 +108,9 @@ static void sctp_control_set_owner_w(struct sctp_chunk *chunk)
 /* What was the inbound interface for this chunk? */
 int sctp_chunk_iif(const struct sctp_chunk *chunk)
 {
-	struct sctp_af *af;
-	int iif = 0;
-
-	af = sctp_get_af_specific(ipver2af(ip_hdr(chunk->skb)->version));
-	if (af)
-		iif = af->skb_iif(chunk->skb);
+	struct sk_buff *skb = chunk->skb;
 
-	return iif;
+	return SCTP_INPUT_CB(skb)->af->skb_iif(skb);
 }
 
 /* RFC 2960 3.3.2 Initiation (INIT) (1)
@@ -261,7 +256,7 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc,
 	chunksize += WORD_ROUND(SCTP_SAT_LEN(num_types));
 	chunksize += sizeof(ecap_param);
 
-	if (net->sctp.prsctp_enable)
+	if (asoc->prsctp_enable)
 		chunksize += sizeof(prsctp_param);
 
 	/* ADDIP: Section 4.2.7:
@@ -355,7 +350,7 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc,
 		sctp_addto_param(retval, num_ext, extensions);
 	}
 
-	if (net->sctp.prsctp_enable)
+	if (asoc->prsctp_enable)
 		sctp_addto_chunk(retval, sizeof(prsctp_param), &prsctp_param);
 
 	if (sp->adaptation_ind) {
@@ -1585,7 +1580,6 @@ struct sctp_association *sctp_make_temp_asoc(const struct sctp_endpoint *ep,
 	struct sctp_association *asoc;
 	struct sk_buff *skb;
 	sctp_scope_t scope;
-	struct sctp_af *af;
 
 	/* Create the bare association.  */
 	scope = sctp_scope(sctp_source(chunk));
@@ -1595,16 +1589,10 @@ struct sctp_association *sctp_make_temp_asoc(const struct sctp_endpoint *ep,
 	asoc->temp = 1;
 	skb = chunk->skb;
 	/* Create an entry for the source address of the packet.  */
-	af = sctp_get_af_specific(ipver2af(ip_hdr(skb)->version));
-	if (unlikely(!af))
-		goto fail;
-	af->from_skb(&asoc->c.peer_addr, skb, 1);
+	SCTP_INPUT_CB(skb)->af->from_skb(&asoc->c.peer_addr, skb, 1);
+
 nodata:
 	return asoc;
-
-fail:
-	sctp_association_free(asoc);
-	return NULL;
 }
 
 /* Build a cookie representing asoc.
@@ -2024,8 +2012,8 @@ static void sctp_process_ext_param(struct sctp_association *asoc,
 	for (i = 0; i < num_ext; i++) {
 		switch (param.ext->chunks[i]) {
 		case SCTP_CID_FWD_TSN:
-			if (net->sctp.prsctp_enable && !asoc->peer.prsctp_capable)
-				    asoc->peer.prsctp_capable = 1;
+			if (asoc->prsctp_enable && !asoc->peer.prsctp_capable)
+				asoc->peer.prsctp_capable = 1;
 			break;
 		case SCTP_CID_AUTH:
 			/* if the peer reports AUTH, assume that he
@@ -2169,7 +2157,7 @@ static sctp_ierror_t sctp_verify_param(struct net *net,
 		break;
 
 	case SCTP_PARAM_FWD_TSN_SUPPORT:
-		if (net->sctp.prsctp_enable)
+		if (ep->prsctp_enable)
 			break;
 		goto fallthrough;
 
@@ -2653,7 +2641,7 @@ do_addr_param:
 		break;
 
 	case SCTP_PARAM_FWD_TSN_SUPPORT:
-		if (net->sctp.prsctp_enable) {
+		if (asoc->prsctp_enable) {
 			asoc->peer.prsctp_capable = 1;
 			break;
 		}