ath9k: Fix inconsistency between txq->stopped and the actual queue state

Sometimes txq state(txq->stopped) can be marked as started but the actual
queue may not be started (in ATH_WIPHY_SCAN state, for example). Fix this.

Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/virtual.c b/drivers/net/wireless/ath/ath9k/virtual.c
index 89423ca..fd20241 100644
--- a/drivers/net/wireless/ath/ath9k/virtual.c
+++ b/drivers/net/wireless/ath/ath9k/virtual.c
@@ -695,16 +695,18 @@
 		  idle ? "idle" : "not-idle");
 }
 /* Only bother starting a queue on an active virtual wiphy */
-void ath_mac80211_start_queue(struct ath_softc *sc, u16 skb_queue)
+bool ath_mac80211_start_queue(struct ath_softc *sc, u16 skb_queue)
 {
 	struct ieee80211_hw *hw = sc->pri_wiphy->hw;
 	unsigned int i;
+	bool txq_started = false;
 
 	spin_lock_bh(&sc->wiphy_lock);
 
 	/* Start the primary wiphy */
 	if (sc->pri_wiphy->state == ATH_WIPHY_ACTIVE) {
 		ieee80211_wake_queue(hw, skb_queue);
+		txq_started = true;
 		goto unlock;
 	}
 
@@ -718,11 +720,13 @@
 
 		hw = aphy->hw;
 		ieee80211_wake_queue(hw, skb_queue);
+		txq_started = true;
 		break;
 	}
 
 unlock:
 	spin_unlock_bh(&sc->wiphy_lock);
+	return txq_started;
 }
 
 /* Go ahead and propagate information to all virtual wiphys, it won't hurt */