aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media/dvb/dvb-core/dvbdev.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/dvb/dvb-core/dvbdev.c')
-rw-r--r--drivers/media/dvb/dvb-core/dvbdev.c44
1 files changed, 22 insertions, 22 deletions
diff --git a/drivers/media/dvb/dvb-core/dvbdev.c b/drivers/media/dvb/dvb-core/dvbdev.c
index a4aee8665854..54f8b95717b0 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 @@ MODULE_PARM_DESC(dvbdev_debug, "Turn on/off device debugging (default:off).");
#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",
@@ -92,10 +92,10 @@ static int dvb_device_open(struct inode *inode, struct file *file)
old_fops = file->f_op;
file->f_op = fops_get(dvbdev->fops);
if(file->f_op->open)
- err = file->f_op->open(inode,file);
+ err = file->f_op->open(inode,file);
if (err) {
- fops_put(file->f_op);
- file->f_op = fops_get(old_fops);
+ fops_put(file->f_op);
+ file->f_op = fops_get(old_fops);
}
fops_put(old_fops);
return err;
@@ -202,11 +202,11 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev,
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 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev,
*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 dvb_register_adapter(struct dvb_adapter *adap, const char *name, struct modu
{
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 @@ int dvb_register_adapter(struct dvb_adapter *adap, const char *name, struct modu
list_add_tail (&adap->list_head, &dvb_adapter_list);
- up (&dvbdev_register_lock);
+ mutex_unlock(&dvbdev_register_lock);
return num;
}
@@ -320,10 +320,10 @@ int dvb_unregister_adapter(struct dvb_adapter *adap)
{
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);
@@ -356,18 +356,18 @@ int dvb_usercopy(struct inode *inode, struct file *file,
case _IOC_WRITE:
case (_IOC_WRITE | _IOC_READ):
if (_IOC_SIZE(cmd) <= sizeof(sbuf)) {
- parg = sbuf;
+ parg = sbuf;
} else {
- /* too big to allocate from stack */
- mbuf = kmalloc(_IOC_SIZE(cmd),GFP_KERNEL);
- if (NULL == mbuf)
- return -ENOMEM;
- parg = mbuf;
+ /* too big to allocate from stack */
+ mbuf = kmalloc(_IOC_SIZE(cmd),GFP_KERNEL);
+ if (NULL == mbuf)
+ return -ENOMEM;
+ parg = mbuf;
}
err = -EFAULT;
if (copy_from_user(parg, (void __user *)arg, _IOC_SIZE(cmd)))
- goto out;
+ goto out;
break;
}
@@ -384,7 +384,7 @@ int dvb_usercopy(struct inode *inode, struct file *file,
case _IOC_READ:
case (_IOC_WRITE | _IOC_READ):
if (copy_to_user((void __user *)arg, parg, _IOC_SIZE(cmd)))
- err = -EFAULT;
+ err = -EFAULT;
break;
}