diff options
Diffstat (limited to 'linux/drivers/media/video/saa7134/saa7134-empress.c')
| -rw-r--r-- | linux/drivers/media/video/saa7134/saa7134-empress.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/linux/drivers/media/video/saa7134/saa7134-empress.c b/linux/drivers/media/video/saa7134/saa7134-empress.c index b406aabef..6f3f4f0f9 100644 --- a/linux/drivers/media/video/saa7134/saa7134-empress.c +++ b/linux/drivers/media/video/saa7134/saa7134-empress.c @@ -49,7 +49,7 @@ module_param_array(empress_nr, int, NULL, 0444); #endif MODULE_PARM_DESC(empress_nr,"ts device number"); -static unsigned int debug = 0; +static unsigned int debug; module_param(debug, int, 0644); MODULE_PARM_DESC(debug,"enable debug messages"); @@ -96,7 +96,7 @@ static int ts_open(struct inode *inode, struct file *file) dprintk("open minor=%d\n",minor); err = -EBUSY; - if (!mutex_trylock(&dev->empress_tsq.lock)) + if (!mutex_trylock(&dev->empress_tsq.vb_lock)) goto done; if (dev->empress_users) goto done_up; @@ -110,7 +110,7 @@ static int ts_open(struct inode *inode, struct file *file) err = 0; done_up: - mutex_unlock(&dev->empress_tsq.lock); + mutex_unlock(&dev->empress_tsq.vb_lock); done: return err; } @@ -119,7 +119,6 @@ static int ts_release(struct inode *inode, struct file *file) { struct saa7134_dev *dev = file->private_data; - mutex_lock(&dev->empress_tsq.lock); videobuf_stop(&dev->empress_tsq); videobuf_mmap_free(&dev->empress_tsq); dev->empress_users--; @@ -131,7 +130,6 @@ static int ts_release(struct inode *inode, struct file *file) saa_writeb(SAA7134_AUDIO_MUTE_CTRL, saa_readb(SAA7134_AUDIO_MUTE_CTRL) | (1 << 6)); - mutex_unlock(&dev->empress_tsq.lock); return 0; } |