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orinoco: fix unsafe locking in spectrum_cs_suspend

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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>
This commit is contained in:
David Kilroy 2008-10-10 22:58:32 +01:00 • committed by John W. Linville
parent 552a71515e
commit c25bab54fe
1 changed files with 3 additions and 2 deletions
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5
drivers/net/wireless/spectrum_cs.c
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@ -450,10 +450,11 @@ spectrum_cs_suspend(struct pcmcia_device *link)
{ {
struct net_device *dev = link->priv; struct net_device *dev = link->priv;
struct orinoco_private *priv = netdev_priv(dev); struct orinoco_private *priv = netdev_priv(dev);
unsigned long flags;
int err = 0; int err = 0;
/* Mark the device as stopped, to block IO until later */ /* Mark the device as stopped, to block IO until later */
spin_lock(&priv->lock); spin_lock_irqsave(&priv->lock, flags);
err = __orinoco_down(dev); err = __orinoco_down(dev);
if (err) if (err)
@ -463,7 +464,7 @@ spectrum_cs_suspend(struct pcmcia_device *link)
netif_device_detach(dev); netif_device_detach(dev);
priv->hw_unavailable++; priv->hw_unavailable++;
spin_unlock(&priv->lock); spin_unlock_irqrestore(&priv->lock, flags);
return err; return err;
} }