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ath9k: Fix TX poll cancelling

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In ath9k_stop(), tx_complete_work was being cancelled twice.
This patch fixes it. Also, locking sc->mutex should be done
at the beginning.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith 2009-08-18 10:51:52 +05:30 committed by John W. Linville
parent bcd64e0c20
commit 4c48381786
1 changed files with 3 additions and 4 deletions
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7
drivers/net/wireless/ath/ath9k/main.c
View file

@ -2105,6 +2105,8 @@ static void ath9k_stop(struct ieee80211_hw *hw)
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
mutex_lock(&sc->mutex);
aphy->state = ATH_WIPHY_INACTIVE;
cancel_delayed_work_sync(&sc->ath_led_blink_work);
@ -2117,13 +2119,10 @@ static void ath9k_stop(struct ieee80211_hw *hw)
if (sc->sc_flags & SC_OP_INVALID) {
DPRINTF(sc, ATH_DBG_ANY, "Device not present\n");
mutex_unlock(&sc->mutex);
return;
}
mutex_lock(&sc->mutex);
cancel_delayed_work_sync(&sc->tx_complete_work);
if (ath9k_wiphy_started(sc)) {
mutex_unlock(&sc->mutex);
return; /* another wiphy still in use */