sctp: release cached route when the transport goes down.
When the sctp transport is marked down, we can release the
cached route and force a new lookup when attempting to use
this transport for anything. This way, if a better route
or source address is available, we'll try to use it.
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index 525864b..215b569 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -810,11 +810,16 @@
break;
case SCTP_TRANSPORT_DOWN:
- /* if the transort was never confirmed, do not transition it
- * to inactive state.
+ /* If the transport was never confirmed, do not transition it
+ * to inactive state. Also, release the cached route since
+ * there may be a better route next time.
*/
if (transport->state != SCTP_UNCONFIRMED)
transport->state = SCTP_INACTIVE;
+ else {
+ dst_release(transport->dst);
+ transport->dst = NULL;
+ }
spc_state = SCTP_ADDR_UNREACHABLE;
break;