Merge tag 'v3.7-rc1' into staging/for_v3.8

Linux 3.7-rc1

* tag 'v3.7-rc1': (9579 commits)
  Linux 3.7-rc1
  x86, boot: Explicitly include autoconf.h for hostprogs
  perf: Fix UAPI fallout
  ARM: config: make sure that platforms are ordered by option string
  ARM: config: sort select statements alphanumerically
  UAPI: (Scripted) Disintegrate include/linux/byteorder
  UAPI: (Scripted) Disintegrate include/linux
  UAPI: Unexport linux/blk_types.h
  UAPI: Unexport part of linux/ppp-comp.h
  perf: Handle new rbtree implementation
  procfs: don't need a PATH_MAX allocation to hold a string representation of an int
  vfs: embed struct filename inside of names_cache allocation if possible
  audit: make audit_inode take struct filename
  vfs: make path_openat take a struct filename pointer
  vfs: turn do_path_lookup into wrapper around struct filename variant
  audit: allow audit code to satisfy getname requests from its names_list
  vfs: define struct filename and have getname() return it
  btrfs: Fix compilation with user namespace support enabled
  userns: Fix posix_acl_file_xattr_userns gid conversion
  userns: Properly print bluetooth socket uids
  ...

1 files changed, 24 insertions, 19 deletions

diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index e7aa177c952..1b4a7f8ec3f 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -63,6 +63,7 @@ static int sctp_acked(struct sctp_sackhdr *sack, __u32 tsn);
 static void sctp_check_transmitted(struct sctp_outq *q,
 				   struct list_head *transmitted_queue,
 				   struct sctp_transport *transport,
+				   union sctp_addr *saddr,
 				   struct sctp_sackhdr *sack,
 				   __u32 *highest_new_tsn);
 
@@ -299,6 +300,7 @@ void sctp_outq_free(struct sctp_outq *q)
 /* Put a new chunk in an sctp_outq.  */
 int sctp_outq_tail(struct sctp_outq *q, struct sctp_chunk *chunk)
 {
+	struct net *net = sock_net(q->asoc->base.sk);
 	int error = 0;
 
 	SCTP_DEBUG_PRINTK("sctp_outq_tail(%p, %p[%s])\n",
@@ -337,15 +339,15 @@ int sctp_outq_tail(struct sctp_outq *q, struct sctp_chunk *chunk)
 
 			sctp_outq_tail_data(q, chunk);
 			if (chunk->chunk_hdr->flags & SCTP_DATA_UNORDERED)
-				SCTP_INC_STATS(SCTP_MIB_OUTUNORDERCHUNKS);
+				SCTP_INC_STATS(net, SCTP_MIB_OUTUNORDERCHUNKS);
 			else
-				SCTP_INC_STATS(SCTP_MIB_OUTORDERCHUNKS);
+				SCTP_INC_STATS(net, SCTP_MIB_OUTORDERCHUNKS);
 			q->empty = 0;
 			break;
 		}
 	} else {
 		list_add_tail(&chunk->list, &q->control_chunk_list);
-		SCTP_INC_STATS(SCTP_MIB_OUTCTRLCHUNKS);
+		SCTP_INC_STATS(net, SCTP_MIB_OUTCTRLCHUNKS);
 	}
 
 	if (error < 0)
@@ -478,11 +480,12 @@ void sctp_retransmit_mark(struct sctp_outq *q,
 void sctp_retransmit(struct sctp_outq *q, struct sctp_transport *transport,
 		     sctp_retransmit_reason_t reason)
 {
+	struct net *net = sock_net(q->asoc->base.sk);
 	int error = 0;
 
 	switch(reason) {
 	case SCTP_RTXR_T3_RTX:
-		SCTP_INC_STATS(SCTP_MIB_T3_RETRANSMITS);
+		SCTP_INC_STATS(net, SCTP_MIB_T3_RETRANSMITS);
 		sctp_transport_lower_cwnd(transport, SCTP_LOWER_CWND_T3_RTX);
 		/* Update the retran path if the T3-rtx timer has expired for
 		 * the current retran path.
@@ -493,15 +496,15 @@ void sctp_retransmit(struct sctp_outq *q, struct sctp_transport *transport,
 			transport->asoc->unack_data;
 		break;
 	case SCTP_RTXR_FAST_RTX:
-		SCTP_INC_STATS(SCTP_MIB_FAST_RETRANSMITS);
+		SCTP_INC_STATS(net, SCTP_MIB_FAST_RETRANSMITS);
 		sctp_transport_lower_cwnd(transport, SCTP_LOWER_CWND_FAST_RTX);
 		q->fast_rtx = 1;
 		break;
 	case SCTP_RTXR_PMTUD:
-		SCTP_INC_STATS(SCTP_MIB_PMTUD_RETRANSMITS);
+		SCTP_INC_STATS(net, SCTP_MIB_PMTUD_RETRANSMITS);
 		break;
 	case SCTP_RTXR_T1_RTX:
-		SCTP_INC_STATS(SCTP_MIB_T1_RETRANSMITS);
+		SCTP_INC_STATS(net, SCTP_MIB_T1_RETRANSMITS);
 		transport->asoc->init_retries++;
 		break;
 	default:
@@ -589,9 +592,8 @@ static int sctp_outq_flush_rtx(struct sctp_outq *q, struct sctp_packet *pkt,
 		 * next chunk.
 		 */
 		if (chunk->tsn_gap_acked) {
-			list_del(&chunk->transmitted_list);
-			list_add_tail(&chunk->transmitted_list,
-					&transport->transmitted);
+			list_move_tail(&chunk->transmitted_list,
+				       &transport->transmitted);
 			continue;
 		}
 
@@ -655,9 +657,8 @@ redo:
 			/* The append was successful, so add this chunk to
 			 * the transmitted list.
 			 */
-			list_del(&chunk->transmitted_list);
-			list_add_tail(&chunk->transmitted_list,
-					&transport->transmitted);
+			list_move_tail(&chunk->transmitted_list,
+				       &transport->transmitted);
 
 			/* Mark the chunk as ineligible for fast retransmit
 			 * after it is retransmitted.
@@ -1139,9 +1140,10 @@ static void sctp_sack_update_unack_data(struct sctp_association *assoc,
  * Process the SACK against the outqueue.  Mostly, this just frees
  * things off the transmitted queue.
  */
-int sctp_outq_sack(struct sctp_outq *q, struct sctp_sackhdr *sack)
+int sctp_outq_sack(struct sctp_outq *q, struct sctp_chunk *chunk)
 {
 	struct sctp_association *asoc = q->asoc;
+	struct sctp_sackhdr *sack = chunk->subh.sack_hdr;
 	struct sctp_transport *transport;
 	struct sctp_chunk *tchunk = NULL;
 	struct list_head *lchunk, *transport_list, *temp;
@@ -1210,7 +1212,7 @@ int sctp_outq_sack(struct sctp_outq *q, struct sctp_sackhdr *sack)
 	/* Run through the retransmit queue.  Credit bytes received
 	 * and free those chunks that we can.
 	 */
-	sctp_check_transmitted(q, &q->retransmit, NULL, sack, &highest_new_tsn);
+	sctp_check_transmitted(q, &q->retransmit, NULL, NULL, sack, &highest_new_tsn);
 
 	/* Run through the transmitted queue.
 	 * Credit bytes received and free those chunks which we can.
@@ -1219,7 +1221,8 @@ int sctp_outq_sack(struct sctp_outq *q, struct sctp_sackhdr *sack)
 	 */
 	list_for_each_entry(transport, transport_list, transports) {
 		sctp_check_transmitted(q, &transport->transmitted,
-				       transport, sack, &highest_new_tsn);
+				       transport, &chunk->source, sack,
+				       &highest_new_tsn);
 		/*
 		 * SFR-CACC algorithm:
 		 * C) Let count_of_newacks be the number of
@@ -1326,6 +1329,7 @@ int sctp_outq_is_empty(const struct sctp_outq *q)
 static void sctp_check_transmitted(struct sctp_outq *q,
 				   struct list_head *transmitted_queue,
 				   struct sctp_transport *transport,
+				   union sctp_addr *saddr,
 				   struct sctp_sackhdr *sack,
 				   __u32 *highest_new_tsn_in_sack)
 {
@@ -1633,8 +1637,9 @@ static void sctp_check_transmitted(struct sctp_outq *q,
 			/* Mark the destination transport address as
 			 * active if it is not so marked.
 			 */
-			if ((transport->state == SCTP_INACTIVE) ||
-			    (transport->state == SCTP_UNCONFIRMED)) {
+			if ((transport->state == SCTP_INACTIVE ||
+			     transport->state == SCTP_UNCONFIRMED) &&
+			    sctp_cmp_addr_exact(&transport->ipaddr, saddr)) {
 				sctp_assoc_control_transport(
 					transport->asoc,
 					transport,
@@ -1914,6 +1919,6 @@ static void sctp_generate_fwdtsn(struct sctp_outq *q, __u32 ctsn)
 
 	if (ftsn_chunk) {
 		list_add_tail(&ftsn_chunk->list, &q->control_chunk_list);
-		SCTP_INC_STATS(SCTP_MIB_OUTCTRLCHUNKS);
+		SCTP_INC_STATS(sock_net(asoc->base.sk), SCTP_MIB_OUTCTRLCHUNKS);
 	}
 }