V4L/DVB (3380): Semaphore to mutex conversion on drivers/media
- Semaphore to mutex conversion.
The conversion was generated via scripts, and the result was validated
automatically via a script as well.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/dvb/dvb-core/dvbdev.c b/drivers/media/dvb/dvb-core/dvbdev.c
index 06b696e..54f8b95 100644
--- a/drivers/media/dvb/dvb-core/dvbdev.c
+++ b/drivers/media/dvb/dvb-core/dvbdev.c
@@ -33,7 +33,7 @@
#include <linux/device.h>
#include <linux/fs.h>
#include <linux/cdev.h>
-
+#include <linux/mutex.h>
#include "dvbdev.h"
static int dvbdev_debug;
@@ -44,7 +44,7 @@
#define dprintk if (dvbdev_debug) printk
static LIST_HEAD(dvb_adapter_list);
-static DECLARE_MUTEX(dvbdev_register_lock);
+static DEFINE_MUTEX(dvbdev_register_lock);
static const char * const dnames[] = {
"video", "audio", "sec", "frontend", "demux", "dvr", "ca",
@@ -202,11 +202,11 @@
struct dvb_device *dvbdev;
int id;
- if (down_interruptible (&dvbdev_register_lock))
+ if (mutex_lock_interruptible(&dvbdev_register_lock))
return -ERESTARTSYS;
if ((id = dvbdev_get_free_id (adap, type)) < 0) {
- up (&dvbdev_register_lock);
+ mutex_unlock(&dvbdev_register_lock);
*pdvbdev = NULL;
printk ("%s: could get find free device id...\n", __FUNCTION__);
return -ENFILE;
@@ -215,11 +215,11 @@
*pdvbdev = dvbdev = kmalloc(sizeof(struct dvb_device), GFP_KERNEL);
if (!dvbdev) {
- up(&dvbdev_register_lock);
+ mutex_unlock(&dvbdev_register_lock);
return -ENOMEM;
}
- up (&dvbdev_register_lock);
+ mutex_unlock(&dvbdev_register_lock);
memcpy(dvbdev, template, sizeof(struct dvb_device));
dvbdev->type = type;
@@ -289,11 +289,11 @@
{
int num;
- if (down_interruptible (&dvbdev_register_lock))
+ if (mutex_lock_interruptible(&dvbdev_register_lock))
return -ERESTARTSYS;
if ((num = dvbdev_get_free_adapter_num ()) < 0) {
- up (&dvbdev_register_lock);
+ mutex_unlock(&dvbdev_register_lock);
return -ENFILE;
}
@@ -309,7 +309,7 @@
list_add_tail (&adap->list_head, &dvb_adapter_list);
- up (&dvbdev_register_lock);
+ mutex_unlock(&dvbdev_register_lock);
return num;
}
@@ -320,10 +320,10 @@
{
devfs_remove("dvb/adapter%d", adap->num);
- if (down_interruptible (&dvbdev_register_lock))
+ if (mutex_lock_interruptible(&dvbdev_register_lock))
return -ERESTARTSYS;
list_del (&adap->list_head);
- up (&dvbdev_register_lock);
+ mutex_unlock(&dvbdev_register_lock);
return 0;
}
EXPORT_SYMBOL(dvb_unregister_adapter);
