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authorStanislaw Gruszka <sgruszka@redhat.com>2012-03-19 08:39:45 (GMT)
committerJohn W. Linville <linville@tuxdriver.com>2012-03-26 19:07:27 (GMT)
commitb9fc106108f3faf2e4430c3bd5721677c3d6a4a1 (patch)
tree8836fc8bfb3bc7973f86e0c4c03f198ad0f20e78 /drivers
parentb603c03e9534b9bec19ebf8c42bf217fd875ee65 (diff)
downloadlinux-b9fc106108f3faf2e4430c3bd5721677c3d6a4a1.tar.xz
rt2x00: rt2800usb: schedule txdone work on timeout
This is fix for my current commit ed61e2b02027935520d1be884fac0b2ffce8379a "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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/rt2x00/rt2800usb.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index cd490ab..f97f846 100644
--- 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);