X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fsbus%2Fchar%2Fvfc_dev.c;h=d4f8fcded51d8615e1da7cd5996ac715b0defd9e;hb=9489a0625854cd7482bb0e8b37de4406cdcd49e0;hp=26b1d2a17ed2f9f3c15bb03d89d8f2e0739fa60c;hpb=b43035a5ec4deecd43019728ab9347df82dd121f;p=linux-2.6

diff --git a/drivers/sbus/char/vfc_dev.c b/drivers/sbus/char/vfc_dev.c
index 26b1d2a17e..d4f8fcded5 100644
--- a/drivers/sbus/char/vfc_dev.c
+++ b/drivers/sbus/char/vfc_dev.c
@@ -22,6 +22,7 @@
 #include <linux/fs.h>
 #include <linux/delay.h>
 #include <linux/spinlock.h>
+#include <linux/mutex.h>
 #include <linux/mm.h>
 
 #include <asm/openprom.h>
@@ -54,12 +55,12 @@ static unsigned char saa9051_init_array[VFC_SAA9051_NR] = {
 
 void vfc_lock_device(struct vfc_dev *dev)
 {
-	down(&dev->device_lock_sem);
+	mutex_lock(&dev->device_lock_mtx);
 }
 
 void vfc_unlock_device(struct vfc_dev *dev)
 {
-	up(&dev->device_lock_sem);
+	mutex_unlock(&dev->device_lock_mtx);
 }
 
 
@@ -133,7 +134,7 @@ int init_vfc_hw(struct vfc_dev *dev)
 int init_vfc_devstruct(struct vfc_dev *dev, int instance) 
 {
 	dev->instance=instance;
-	init_MUTEX(&dev->device_lock_sem);
+	mutex_init(&dev->device_lock_mtx);
 	dev->control_reg=0;
 	dev->busy=0;
 	return 0;
@@ -248,6 +249,7 @@ static int vfc_debug(struct vfc_dev *dev, int cmd, void __user *argp)
 					buffer,inout.len);
 
 		if (copy_to_user(argp,&inout,sizeof(inout))) {
+			vfc_unlock_device(dev);
 			kfree(buffer);
 			return -EFAULT;
 		}