diff options
Diffstat (limited to 'drivers/media/dvb/dvb-core/dvbdev.c')
| -rw-r--r-- | drivers/media/dvb/dvb-core/dvbdev.c | 22 |
1 files changed, 11 insertions, 11 deletions
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 @@ 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", @@ -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); |