[IrDA]: Resend frames on timeout.

When final timer expires, it might also mean that the i:cmd wasn't
received properly. If we have rejected frames, we can try to resend them.

Signed-off-by: Robie Basak <rb-oss-1@justgohome.co.uk>
Signed-off-by: Samuel Ortiz <samuel@sortiz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/irda/irlap_event.c b/net/irda/irlap_event.c
index 4c33bf5..6d3aff8 100644 (file)
--- a/net/irda/irlap_event.c
+++ b/net/irda/irlap_event.c
@@ -1514,9 +1514,15 @@ static int irlap_state_nrm_p(struct irlap_cb *self, IRLAP_EVENT event,
 
                /* N2 is the disconnect timer. Until we reach it, we retry */
                if (self->retry_count < self->N2) {
-                       /* Retry sending the pf bit to the secondary */
-                       irlap_wait_min_turn_around(self, &self->qos_tx);
-                       irlap_send_rr_frame(self, CMD_FRAME);
+                       if (skb_peek(&self->wx_list) == NULL) {
+                               /* Retry sending the pf bit to the secondary */
+                               IRDA_DEBUG(4, "nrm_p: resending rr");
+                               irlap_wait_min_turn_around(self, &self->qos_tx);
+                               irlap_send_rr_frame(self, CMD_FRAME);
+                       } else {
+                               IRDA_DEBUG(4, "nrm_p: resend frames");
+                               irlap_resend_rejected_frames(self, CMD_FRAME);
+                       }
 
                        irlap_start_final_timer(self, self->final_timeout);
                        self->retry_count++;