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-rw-r--r--net/sctp/associola.c7
-rw-r--r--net/sctp/sm_statefuns.c4
2 files changed, 10 insertions, 1 deletions
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index 3be28fed5915..8d3aef9d0615 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -575,6 +575,13 @@ void sctp_assoc_rm_peer(struct sctp_association *asoc,
if (asoc->shutdown_last_sent_to == peer)
asoc->shutdown_last_sent_to = NULL;
+ /* If we remove the transport an ASCONF was last sent to, set it to
+ * NULL.
+ */
+ if (asoc->addip_last_asconf &&
+ asoc->addip_last_asconf->transport == peer)
+ asoc->addip_last_asconf->transport = NULL;
+
asoc->peer.transport_count--;
sctp_transport_free(peer);
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index 10abc07d42cb..7288192f7df5 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -5475,7 +5475,9 @@ sctp_disposition_t sctp_sf_t4_timer_expire(
* detection on the appropriate destination address as defined in
* RFC2960 [5] section 8.1 and 8.2.
*/
- sctp_add_cmd_sf(commands, SCTP_CMD_STRIKE, SCTP_TRANSPORT(transport));
+ if (transport)
+ sctp_add_cmd_sf(commands, SCTP_CMD_STRIKE,
+ SCTP_TRANSPORT(transport));
/* Reconfig T4 timer and transport. */
sctp_add_cmd_sf(commands, SCTP_CMD_SETUP_T4, SCTP_CHUNK(chunk));