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ath5k: Always free tx buffers before reset 

* Always free tx buffers before reset, since we also empty hw queues.
 If we don't and a queue gets stuck, we'll never decrease txq_len and sw
 will keep thinking the queue is still stuck even after reset.

Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Nick Kossifidis 2010-12-03 06:05:19 +02:00 committed by John W. Linville
parent d84938c9be
commit 19252ecb67
1 changed files with 4 additions and 2 deletions
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6
drivers/net/wireless/ath/ath5k/base.c
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@ -2661,9 +2661,11 @@ ath5k_reset(struct ath5k_softc *sc, struct ieee80211_channel *chan,
synchronize_irq(sc->irq);
stop_tasklets(sc);
if (chan) {
/* We are going to empty hw queues
* so we should also free any remaining
* tx buffers */
ath5k_drain_tx_buffs(sc);
if (chan) {
sc->curchan = chan;
sc->curband = &sc->sbands[chan->band];
}