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path: root/drivers/net/wireless/p54/p54spi.c
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Diffstat (limited to 'drivers/net/wireless/p54/p54spi.c')
-rw-r--r--drivers/net/wireless/p54/p54spi.c25
1 files changed, 13 insertions, 12 deletions
diff --git a/drivers/net/wireless/p54/p54spi.c b/drivers/net/wireless/p54/p54spi.c
index 2b222aaa6f0a..d1fe577de3d4 100644
--- a/drivers/net/wireless/p54/p54spi.c
+++ b/drivers/net/wireless/p54/p54spi.c
@@ -457,9 +457,10 @@ static int p54spi_wq_tx(struct p54s_priv *priv)
457 struct ieee80211_tx_info *info; 457 struct ieee80211_tx_info *info;
458 struct p54_tx_info *minfo; 458 struct p54_tx_info *minfo;
459 struct p54s_tx_info *dinfo; 459 struct p54s_tx_info *dinfo;
460 unsigned long flags;
460 int ret = 0; 461 int ret = 0;
461 462
462 spin_lock_bh(&priv->tx_lock); 463 spin_lock_irqsave(&priv->tx_lock, flags);
463 464
464 while (!list_empty(&priv->tx_pending)) { 465 while (!list_empty(&priv->tx_pending)) {
465 entry = list_entry(priv->tx_pending.next, 466 entry = list_entry(priv->tx_pending.next,
@@ -467,7 +468,7 @@ static int p54spi_wq_tx(struct p54s_priv *priv)
467 468
468 list_del_init(&entry->tx_list); 469 list_del_init(&entry->tx_list);
469 470
470 spin_unlock_bh(&priv->tx_lock); 471 spin_unlock_irqrestore(&priv->tx_lock, flags);
471 472
472 dinfo = container_of((void *) entry, struct p54s_tx_info, 473 dinfo = container_of((void *) entry, struct p54s_tx_info,
473 tx_list); 474 tx_list);
@@ -479,16 +480,14 @@ static int p54spi_wq_tx(struct p54s_priv *priv)
479 480
480 ret = p54spi_tx_frame(priv, skb); 481 ret = p54spi_tx_frame(priv, skb);
481 482
482 spin_lock_bh(&priv->tx_lock);
483
484 if (ret < 0) { 483 if (ret < 0) {
485 p54_free_skb(priv->hw, skb); 484 p54_free_skb(priv->hw, skb);
486 goto out; 485 return ret;
487 } 486 }
488 }
489 487
490out: 488 spin_lock_irqsave(&priv->tx_lock, flags);
491 spin_unlock_bh(&priv->tx_lock); 489 }
490 spin_unlock_irqrestore(&priv->tx_lock, flags);
492 return ret; 491 return ret;
493} 492}
494 493
@@ -498,12 +497,13 @@ static void p54spi_op_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
498 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 497 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
499 struct p54_tx_info *mi = (struct p54_tx_info *) info->rate_driver_data; 498 struct p54_tx_info *mi = (struct p54_tx_info *) info->rate_driver_data;
500 struct p54s_tx_info *di = (struct p54s_tx_info *) mi->data; 499 struct p54s_tx_info *di = (struct p54s_tx_info *) mi->data;
500 unsigned long flags;
501 501
502 BUILD_BUG_ON(sizeof(*di) > sizeof((mi->data))); 502 BUILD_BUG_ON(sizeof(*di) > sizeof((mi->data)));
503 503
504 spin_lock_bh(&priv->tx_lock); 504 spin_lock_irqsave(&priv->tx_lock, flags);
505 list_add_tail(&di->tx_list, &priv->tx_pending); 505 list_add_tail(&di->tx_list, &priv->tx_pending);
506 spin_unlock_bh(&priv->tx_lock); 506 spin_unlock_irqrestore(&priv->tx_lock, flags);
507 507
508 queue_work(priv->hw->workqueue, &priv->work); 508 queue_work(priv->hw->workqueue, &priv->work);
509} 509}
@@ -604,6 +604,7 @@ out:
604static void p54spi_op_stop(struct ieee80211_hw *dev) 604static void p54spi_op_stop(struct ieee80211_hw *dev)
605{ 605{
606 struct p54s_priv *priv = dev->priv; 606 struct p54s_priv *priv = dev->priv;
607 unsigned long flags;
607 608
608 if (mutex_lock_interruptible(&priv->mutex)) { 609 if (mutex_lock_interruptible(&priv->mutex)) {
609 /* FIXME: how to handle this error? */ 610 /* FIXME: how to handle this error? */
@@ -615,9 +616,9 @@ static void p54spi_op_stop(struct ieee80211_hw *dev)
615 cancel_work_sync(&priv->work); 616 cancel_work_sync(&priv->work);
616 617
617 p54spi_power_off(priv); 618 p54spi_power_off(priv);
618 spin_lock_bh(&priv->tx_lock); 619 spin_lock_irqsave(&priv->tx_lock, flags);
619 INIT_LIST_HEAD(&priv->tx_pending); 620 INIT_LIST_HEAD(&priv->tx_pending);
620 spin_unlock_bh(&priv->tx_lock); 621 spin_unlock_irqrestore(&priv->tx_lock, flags);
621 622
622 priv->fw_state = FW_STATE_OFF; 623 priv->fw_state = FW_STATE_OFF;
623 mutex_unlock(&priv->mutex); 624 mutex_unlock(&priv->mutex);