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[PATCH] orinoco: simplify locking, fix error handling in PCMCIA resume

Don't use flags in the spinlocks - the PCMCIA resume functions may not
be called under lock.  Don't ignore any errors.

Signed-off-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Pavel Roskin 19 年之前
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6cbaa330f1
共有 2 個文件被更改,包括 6 次插入8 次删除
  1. 3 4
      drivers/net/wireless/orinoco_cs.c
  2. 3 4
      drivers/net/wireless/spectrum_cs.c

+ 3 - 4
drivers/net/wireless/orinoco_cs.c

@@ -415,7 +415,6 @@ static int orinoco_cs_resume(struct pcmcia_device *link)
 	struct orinoco_private *priv = netdev_priv(dev);
 	struct orinoco_pccard *card = priv->card;
 	int err = 0;
-	unsigned long flags;
 
 	if (! test_bit(0, &card->hard_reset_in_progress)) {
 		err = orinoco_reinit_firmware(dev);
@@ -425,7 +424,7 @@ static int orinoco_cs_resume(struct pcmcia_device *link)
 			return -EIO;
 		}
 
-		spin_lock_irqsave(&priv->lock, flags);
+		spin_lock(&priv->lock);
 
 		netif_device_attach(dev);
 		priv->hw_unavailable--;
@@ -437,10 +436,10 @@ static int orinoco_cs_resume(struct pcmcia_device *link)
 				       dev->name, err);
 		}
 
-		spin_unlock_irqrestore(&priv->lock, flags);
+		spin_unlock(&priv->lock);
 	}
 
-	return 0;
+	return err;
 }
 
 

+ 3 - 4
drivers/net/wireless/spectrum_cs.c

@@ -866,11 +866,10 @@ spectrum_cs_suspend(struct pcmcia_device *link)
 {
 	struct net_device *dev = link->priv;
 	struct orinoco_private *priv = netdev_priv(dev);
-	unsigned long flags;
 	int err = 0;
 
 	/* Mark the device as stopped, to block IO until later */
-	spin_lock_irqsave(&priv->lock, flags);
+	spin_lock(&priv->lock);
 
 	err = __orinoco_down(dev);
 	if (err)
@@ -880,9 +879,9 @@ spectrum_cs_suspend(struct pcmcia_device *link)
 	netif_device_detach(dev);
 	priv->hw_unavailable++;
 
-	spin_unlock_irqrestore(&priv->lock, flags);
+	spin_unlock(&priv->lock);
 
-	return 0;
+	return err;
 }
 
 static int