orinoco: fix unsafe locking in spectrum_cs_suspend

A similar problem was highlighted in the orinoco_cs driver by lockdep.
This patch fixes the spectrum_cs driver.
Signed-off-by: David Kilroy <kilroyd@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/spectrum_cs.c

@@ -450,10 +450,11 @@ 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(&priv->lock);
+	spin_lock_irqsave(&priv->lock, flags);
 
 	err = __orinoco_down(dev);
 	if (err)
@@ -463,7 +464,7 @@ spectrum_cs_suspend(struct pcmcia_device *link)
 	netif_device_detach(dev);
 	priv->hw_unavailable++;
 
-	spin_unlock(&priv->lock);
+	spin_unlock_irqrestore(&priv->lock, flags);
 
 	return err;
 }