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[IrDA]: f-timer reloading when sending rejected frames. 

Jean II was right: you have to re-charge the final timer when
resending rejected frames. Otherwise it triggers at a wrong time and
can break the currently running communication. Reproducible under
rt-preempt.

Signed-off-by: G. Liakhovetski <gl@dsa-ac.de>
Signed-off-by: Samuel Ortiz <samuel@sortiz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
G. Liakhovetski 2007-06-08 19:15:56 -07:00 committed by David S. Miller
parent c0cfe7faa1
commit b7e773b869
1 changed files with 4 additions and 6 deletions
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10
net/irda/irlap_event.c
View File

@ -1418,14 +1418,14 @@ static int irlap_state_nrm_p(struct irlap_cb *self, IRLAP_EVENT event,
*/
self->remote_busy = FALSE;
/* Stop final timer */
del_timer(&self->final_timer);
/*
* Nr as expected?
*/
ret = irlap_validate_nr_received(self, info->nr);
if (ret == NR_EXPECTED) {
/* Stop final timer */
del_timer(&self->final_timer);
/* Update Nr received */
irlap_update_nr_received(self, info->nr);
@ -1457,14 +1457,12 @@ static int irlap_state_nrm_p(struct irlap_cb *self, IRLAP_EVENT event,
/* Resend rejected frames */
irlap_resend_rejected_frames(self, CMD_FRAME);
/* Final timer ??? Jean II */
irlap_start_final_timer(self, self->final_timeout * 2);
irlap_next_state(self, LAP_NRM_P);
} else if (ret == NR_INVALID) {
IRDA_DEBUG(1, "%s(), Received RR with "
"invalid nr !\n", __FUNCTION__);
del_timer(&self->final_timer);
irlap_next_state(self, LAP_RESET_WAIT);