netdev - [PATCH kernel 2.6.32-git7] 3c574_cs: disable irq before calling el3

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Message-Id: <20091213094411.18be2ff6.ken_kawasaki@spring.nifty.jp>
Date:	Sun, 13 Dec 2009 09:44:11 +0900
From:	Ken Kawasaki <ken_kawasaki@...ing.nifty.jp>
To:	netdev@...r.kernel.org
Subject: [PATCH  kernel 2.6.32-git7] 3c574_cs: disable irq before calling
 el3_interrupt


3c574_cs, 3c589_cs:
	disable irq before calling el3_interrupt
	in the media_check function.

Signed-off-by: Ken Kawasaki <ken_kawasaki@...ing.nifty.jp>

---

--- linux-2.6.32-git7/drivers/net/pcmcia/3c574_cs.c.orig	2009-12-12 06:58:14.000000000 +0900
+++ linux-2.6.32-git7/drivers/net/pcmcia/3c574_cs.c	2009-12-13 08:50:18.000000000 +0900
@@ -912,7 +912,11 @@ static void media_check(unsigned long ar
 	if ((inw(ioaddr + EL3_STATUS) & IntLatch) && (inb(ioaddr + Timer) == 0xff)) {
 		if (!lp->fast_poll)
 			printk(KERN_INFO "%s: interrupt(s) dropped!\n", dev->name);
+
+		local_irq_save(flags);
 		el3_interrupt(dev->irq, dev);
+		local_irq_restore(flags);
+
 		lp->fast_poll = HZ;
 	}
 	if (lp->fast_poll) {
--- linux-2.6.32-git7/drivers/net/pcmcia/3c589_cs.c.orig	2009-12-12 06:58:28.000000000 +0900
+++ linux-2.6.32-git7/drivers/net/pcmcia/3c589_cs.c	2009-12-13 08:50:38.000000000 +0900
@@ -711,7 +711,11 @@ static void media_check(unsigned long ar
 	(inb(ioaddr + EL3_TIMER) == 0xff)) {
 	if (!lp->fast_poll)
 	    printk(KERN_WARNING "%s: interrupt(s) dropped!\n", dev->name);
+
+	local_irq_save(flags);
 	el3_interrupt(dev->irq, dev);
+	local_irq_restore(flags);
+
 	lp->fast_poll = HZ;
     }
     if (lp->fast_poll) {
--
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