X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fchar%2Fds1620.c;h=dbee8688f75ceafddfd80a5be5b7dcf8affd7140;hb=7908a9e5fc3f9a679b1777ed231a03636c068446;hp=61f0146e215dd30ff3203b65e2ca75960928d39b;hpb=73d59314e6ed268d6f322ae1bdd723b23fa5a4ed;p=pandora-kernel.git

diff --git a/drivers/char/ds1620.c b/drivers/char/ds1620.c
index 61f0146e215d..dbee8688f75c 100644
--- a/drivers/char/ds1620.c
+++ b/drivers/char/ds1620.c
@@ -232,7 +232,7 @@ ds1620_read(struct file *file, char __user *buf, size_t count, loff_t *ptr)
 }
 
 static int
-ds1620_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
+ds1620_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
 	struct therm therm;
 	union {
@@ -316,6 +316,18 @@ ds1620_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned
 	return 0;
 }
 
+static long
+ds1620_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+	int ret;
+
+	lock_kernel();
+	ret = ds1620_ioctl(file, cmd, arg);
+	unlock_kernel();
+
+	return ret;
+}
+
 #ifdef THERM_USE_PROC
 static int
 proc_therm_ds1620_read(char *buf, char **start, off_t offset,
@@ -344,7 +356,7 @@ static const struct file_operations ds1620_fops = {
 	.owner		= THIS_MODULE,
 	.open		= ds1620_open,
 	.read		= ds1620_read,
-	.ioctl		= ds1620_ioctl,
+	.unlocked_ioctl	= ds1620_unlocked_ioctl,
 };
 
 static struct miscdevice ds1620_miscdev = {