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-rw-r--r--net/sctp/sm_sideeffect.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index 76388b083f28..1ff51c9d18d5 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -666,6 +666,7 @@ static void sctp_cmd_transport_on(sctp_cmd_seq_t *cmds,
struct sctp_chunk *chunk)
{
sctp_sender_hb_info_t *hbinfo;
+ int was_unconfirmed = 0;
/* 8.3 Upon the receipt of the HEARTBEAT ACK, the sender of the
* HEARTBEAT should clear the error counter of the destination
@@ -692,9 +693,11 @@ static void sctp_cmd_transport_on(sctp_cmd_seq_t *cmds,
/* Mark the destination transport address as active if it is not so
* marked.
*/
- if ((t->state == SCTP_INACTIVE) || (t->state == SCTP_UNCONFIRMED))
+ if ((t->state == SCTP_INACTIVE) || (t->state == SCTP_UNCONFIRMED)) {
+ was_unconfirmed = 1;
sctp_assoc_control_transport(asoc, t, SCTP_TRANSPORT_UP,
SCTP_HEARTBEAT_SUCCESS);
+ }
/* The receiver of the HEARTBEAT ACK should also perform an
* RTT measurement for that destination transport address
@@ -712,6 +715,9 @@ static void sctp_cmd_transport_on(sctp_cmd_seq_t *cmds,
/* Update the heartbeat timer. */
if (!mod_timer(&t->hb_timer, sctp_transport_timeout(t)))
sctp_transport_hold(t);
+
+ if (was_unconfirmed && asoc->peer.transport_count == 1)
+ sctp_transport_immediate_rtx(t);
}