rt2x00: rt2800usb: schedule txdone work on timeout

This is fix for my current commit
c4c4afbf85d47017b7febd68241e1b60086777f7
"rt2x00: rt2800usb: rework txdone code"

We should schedule txdone work on timeout, otherwise if newer get
tx status from hardware, we will never report tx status to mac80211
and eventually never wakeup tx queue.

Reported-by: Jakub Kicinski <moorray@wp.pl>
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index cd490abced9159347cf875b9ea9349192c899dd3..f97f84606f56f04f33f58c039bfc8859a59350ef 100644 (file)
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -163,7 +163,13 @@ static bool rt2800usb_tx_sta_fifo_read_completed(struct rt2x00_dev *rt2x00dev,
 
                /* Reschedule urb to read TX status again instantly */
                return true;
-       } else if (rt2800usb_txstatus_pending(rt2x00dev)) {
+       }
+
+       /* Check if there is any entry that timedout waiting on TX status */
+       if (rt2800usb_txstatus_timeout(rt2x00dev))
+               queue_work(rt2x00dev->workqueue, &rt2x00dev->txdone_work);
+
+       if (rt2800usb_txstatus_pending(rt2x00dev)) {
                /* Read register after 250 us */
                hrtimer_start(&rt2x00dev->txstatus_timer, ktime_set(0, 250000),
                              HRTIMER_MODE_REL);