3 files changed, 13 insertions, 8 deletions

diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index d16632e1503a..1b4a7f8ec3fd 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);
 
@@ -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,
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index bcfebb91559d..57f7de839b03 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -752,11 +752,11 @@ static void sctp_cmd_transport_on(sctp_cmd_seq_t *cmds,
 /* Helper function to process the process SACK command.  */
 static int sctp_cmd_process_sack(sctp_cmd_seq_t *cmds,
                                  struct sctp_association *asoc,
-                                 struct sctp_sackhdr *sackh)
+                                 struct sctp_chunk *chunk)
 {
         int err = 0;
 
-        if (sctp_outq_sack(&asoc->outqueue, sackh)) {
+        if (sctp_outq_sack(&asoc->outqueue, chunk)) {
                 struct net *net = sock_net(asoc->base.sk);
 
                 /* There are no more TSNs awaiting SACK.  */
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index 094813b6c3c3..b6adef8a1e93 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -3179,7 +3179,7 @@ sctp_disposition_t sctp_sf_eat_sack_6_2(struct net *net,
                 return sctp_sf_violation_ctsn(net, ep, asoc, type, arg, commands);
 
         /* Return this SACK for further processing.  */
-        sctp_add_cmd_sf(commands, SCTP_CMD_PROCESS_SACK, SCTP_SACKH(sackh));
+        sctp_add_cmd_sf(commands, SCTP_CMD_PROCESS_SACK, SCTP_CHUNK(chunk));
 
         /* Note: We do the rest of the work on the PROCESS_SACK
          * sideeffect.