From: Arnd Bergmann <arnd@arndb.de>
Date: Tue, 20 May 2008 17:15:36 +0000 (+0200)
Subject: basler-excite: BKL pushdown
X-Git-Tag: v2.6.27-rc1~1103^2~78
X-Git-Url: http://www.pilppa.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=52e7c5e08201e20ddbe93cb1977869c38072bc2f;p=linux-2.6-omap-h63xx.git

basler-excite: BKL pushdown

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---

diff --git a/arch/mips/basler/excite/excite_iodev.c b/arch/mips/basler/excite/excite_iodev.c
index 476d20e08d0..a1e3526b4a9 100644
--- a/arch/mips/basler/excite/excite_iodev.c
+++ b/arch/mips/basler/excite/excite_iodev.c
@@ -26,6 +26,7 @@
 #include <linux/interrupt.h>
 #include <linux/platform_device.h>
 #include <linux/miscdevice.h>
+#include <linux/smp_lock.h>
 
 #include "excite_iodev.h"
 
@@ -110,8 +111,14 @@ static int __exit iodev_remove(struct device *dev)
 
 static int iodev_open(struct inode *i, struct file *f)
 {
-	return request_irq(iodev_irq, iodev_irqhdl, IRQF_DISABLED,
+	int ret;
+
+	lock_kernel();
+	ret = request_irq(iodev_irq, iodev_irqhdl, IRQF_DISABLED,
 			   iodev_name, &miscdev);
+	unlock_kernel();
+
+	return ret;
 }
 
 static int iodev_release(struct inode *i, struct file *f)