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Diffstat (limited to 'drivers/net/wireless/wl12xx/wl1251_main.c')
-rw-r--r--drivers/net/wireless/wl12xx/wl1251_main.c18
1 files changed, 6 insertions, 12 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1251_main.c b/drivers/net/wireless/wl12xx/wl1251_main.c
index c81e95b45c14..faf221ca3f41 100644
--- a/drivers/net/wireless/wl12xx/wl1251_main.c
+++ b/drivers/net/wireless/wl12xx/wl1251_main.c
@@ -3,8 +3,6 @@
*
* Copyright (C) 2008-2009 Nokia Corporation
*
- * Contact: Kalle Valo <kalle.valo@nokia.com>
- *
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
@@ -377,6 +375,7 @@ out:
static int wl1251_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
{
struct wl1251 *wl = hw->priv;
+ unsigned long flags;
skb_queue_tail(&wl->tx_queue, skb);
@@ -391,16 +390,13 @@ static int wl1251_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
* The workqueue is slow to process the tx_queue and we need stop
* the queue here, otherwise the queue will get too long.
*/
- if (skb_queue_len(&wl->tx_queue) >= WL1251_TX_QUEUE_MAX_LENGTH) {
+ if (skb_queue_len(&wl->tx_queue) >= WL1251_TX_QUEUE_HIGH_WATERMARK) {
wl1251_debug(DEBUG_TX, "op_tx: tx_queue full, stop queues");
- ieee80211_stop_queues(wl->hw);
- /*
- * FIXME: this is racy, the variable is not properly
- * protected. Maybe fix this by removing the stupid
- * variable altogether and checking the real queue state?
- */
+ spin_lock_irqsave(&wl->wl_lock, flags);
+ ieee80211_stop_queues(wl->hw);
wl->tx_queue_stopped = true;
+ spin_unlock_irqrestore(&wl->wl_lock, flags);
}
return NETDEV_TX_OK;
@@ -469,9 +465,7 @@ static void wl1251_op_stop(struct ieee80211_hw *hw)
WARN_ON(wl->state != WL1251_STATE_ON);
if (wl->scanning) {
- mutex_unlock(&wl->mutex);
ieee80211_scan_completed(wl->hw, true);
- mutex_lock(&wl->mutex);
wl->scanning = false;
}
@@ -1437,5 +1431,5 @@ EXPORT_SYMBOL_GPL(wl1251_free_hw);
MODULE_DESCRIPTION("TI wl1251 Wireles LAN Driver Core");
MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Kalle Valo <kalle.valo@nokia.com>");
+MODULE_AUTHOR("Kalle Valo <kvalo@adurom.com>");
MODULE_FIRMWARE(WL1251_FW_NAME);