From c25bab54fe30d26a2cddf7058d77da72be630b23 Mon Sep 17 00:00:00 2001 From: David Kilroy Date: Fri, 10 Oct 2008 22:58:32 +0100 Subject: [PATCH] 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 Signed-off-by: John W. Linville --- drivers/net/wireless/spectrum_cs.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/spectrum_cs.c b/drivers/net/wireless/spectrum_cs.c index 67b26d3..f5513cd 100644 --- a/drivers/net/wireless/spectrum_cs.c +++ b/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; } -- 2.7.4