[PATCH 2/7] Don't leave queues stopped when not neccessary.

[Milan Plzik <milan.plzik@gmail.com>]

at76_usb driver doesn't enable transmit queue very often -- in fact the 
only place where queues are being started is tx callback handler. This
patch adds calls to ieee80211_start_queues to proper places, so the card 
will not hang in state with queues stopped.

Signed-off-by: Milan Plzik <milan.plzik@gmail.com>
---

 drivers/net/wireless/at76_usb.c |   14 +++++++++++---
 1 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/at76_usb.c b/drivers/net/wireless/at76_usb.c
index dc6edb3..13ea9ca 100644
--- a/drivers/net/wireless/at76_usb.c
+++ b/drivers/net/wireless/at76_usb.c
@@ -1910,8 +1910,13 @@ static void at76_dwork_hw_scan(struct work_struct *work)
 	
 	ieee80211_scan_completed(priv->hw);
 
-	if (is_valid_ether_addr(priv->bssid))
+	if (is_valid_ether_addr(priv->bssid)) {
+		ieee80211_start_queues(priv->hw);
 		at76_join(priv);
+	} else
+		ieee80211_stop_queues(priv->hw);
+
+	ieee80211_start_queues(priv->hw);
 
 // CHECKME:	ieee80211_wake_queues(priv->hw);
 
@@ -1974,10 +1979,13 @@ static int at76_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf)
 
 	priv->channel = conf->channel->hw_value;
 
-	if (is_valid_ether_addr(priv->bssid))
+	if (is_valid_ether_addr(priv->bssid)) {
 		at76_join(priv);
-	else
+		ieee80211_start_queues(priv->hw);
+	} else {
+		ieee80211_stop_queues(priv->hw);
 		at76_start_monitor(priv);
+	};
 
 	mutex_unlock(&priv->mtx);