netdev - [PATCH kernel 2.6.35-rc3-git7] axnet_cs: use spin_lock_irqsave in ax

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Message-Id: <20100710201813.a3e5c79c.ken_kawasaki@spring.nifty.jp>
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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