X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fchar%2Fvr41xx_giu.c;h=ffe9b4e3072e50b02e57c2fa0ac2f58240c85a45;hb=5554b35933245e95710d709175e14c02cbc956a4;hp=e5ed09192be8675b615f6978dcf92f41a3dcf316;hpb=1ff8392c32a2645d2665ca779ecb91bb29361c13;p=linux-2.6

diff --git a/drivers/char/vr41xx_giu.c b/drivers/char/vr41xx_giu.c
index e5ed09192b..ffe9b4e307 100644
--- a/drivers/char/vr41xx_giu.c
+++ b/drivers/char/vr41xx_giu.c
@@ -27,6 +27,7 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
+#include <linux/smp_lock.h>
 #include <linux/spinlock.h>
 #include <linux/types.h>
 
@@ -547,6 +548,7 @@ static int gpio_open(struct inode *inode, struct file *file)
 {
 	unsigned int pin;
 
+	cycle_kernel_lock();
 	pin = iminor(inode);
 	if (pin >= giu_nr_pins)
 		return -EBADF;