Merge ssh://master.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6...

[pandora-kernel.git] / drivers / net / wireless / ath / ath9k / main.c

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index bd18b1d..a198ee3 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -2265,6 +2265,8 @@ static void ath9k_set_coverage_class(struct ieee80211_hw *hw, u8 coverage_class)
 static void ath9k_flush(struct ieee80211_hw *hw, bool drop)
 {
        struct ath_softc *sc = hw->priv;
+       struct ath_hw *ah = sc->sc_ah;
+       struct ath_common *common = ath9k_hw_common(ah);
        int timeout = 200; /* ms */
        int i, j;
        bool drain_txq;
@@ -2272,6 +2274,12 @@ static void ath9k_flush(struct ieee80211_hw *hw, bool drop)
        mutex_lock(&sc->mutex);
        cancel_delayed_work_sync(&sc->tx_complete_work);
 
+       if (sc->sc_flags & SC_OP_INVALID) {
+               ath_dbg(common, ATH_DBG_ANY, "Device not present\n");
+               mutex_unlock(&sc->mutex);
+               return;
+       }
+
        if (drop)
                timeout = 1;