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Date: Sat, 10 Jul 2010 20:18:13 +0900
From: Ken Kawasaki <ken_kawasaki@...ing.nifty.jp>
To: netdev@...r.kernel.org
Subject: [PATCH kernel 2.6.35-rc3-git7] axnet_cs: use spin_lock_irqsave in
ax_interrupt
axnet_cs:
use spin_lock_irqsave instead of spin_lock in ax_interrupt
Signed-off-by: Ken Kawasaki <ken_kawasaki@...ing.nifty.jp>
---
--- linux-2.6.35-git7/drivers/net/pcmcia/axnet_cs.c.orig 2010-07-04 08:28:15.000000000 +0900
+++ linux-2.6.35-git7/drivers/net/pcmcia/axnet_cs.c 2010-07-10 19:07:20.000000000 +0900
@@ -1168,6 +1168,7 @@ static irqreturn_t ax_interrupt(int irq,
int interrupts, nr_serviced = 0, i;
struct ei_device *ei_local;
int handled = 0;
+ unsigned long flags;
e8390_base = dev->base_addr;
ei_local = netdev_priv(dev);
@@ -1176,7 +1177,7 @@ static irqreturn_t ax_interrupt(int irq,
* Protect the irq test too.
*/
- spin_lock(&ei_local->page_lock);
+ spin_lock_irqsave(&ei_local->page_lock, flags);
if (ei_local->irqlock)
{
@@ -1188,7 +1189,7 @@ static irqreturn_t ax_interrupt(int irq,
dev->name, inb_p(e8390_base + EN0_ISR),
inb_p(e8390_base + EN0_IMR));
#endif
- spin_unlock(&ei_local->page_lock);
+ spin_unlock_irqrestore(&ei_local->page_lock, flags);
return IRQ_NONE;
}
@@ -1261,7 +1262,7 @@ static irqreturn_t ax_interrupt(int irq,
ei_local->irqlock = 0;
outb_p(ENISR_ALL, e8390_base + EN0_IMR);
- spin_unlock(&ei_local->page_lock);
+ spin_unlock_irqrestore(&ei_local->page_lock, flags);
return IRQ_RETVAL(handled);
}
--
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