[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>

1 files changed, 9 insertions, 3 deletions

diff --git a/net/irda/irlap_event.c b/net/irda/irlap_event.c
index 4c33bf5c8354..6d3aff862dc2 100644
--- 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++;