diff options
Diffstat (limited to 'drivers/media/video/cx18/cx18-fileops.c')
| -rw-r--r-- | drivers/media/video/cx18/cx18-fileops.c | 35 |
1 files changed, 6 insertions, 29 deletions
diff --git a/drivers/media/video/cx18/cx18-fileops.c b/drivers/media/video/cx18/cx18-fileops.c index 68dd50ac4bf..757982ea376 100644 --- a/drivers/media/video/cx18/cx18-fileops.c +++ b/drivers/media/video/cx18/cx18-fileops.c @@ -682,38 +682,15 @@ static int cx18_serialized_open(struct cx18_stream *s, struct file *filp) int cx18_v4l2_open(struct file *filp) { - int res, x, y = 0; - struct cx18 *cx = NULL; - struct cx18_stream *s = NULL; - int minor = video_devdata(filp)->minor; - - /* Find which card this open was on */ - spin_lock(&cx18_cards_lock); - for (x = 0; cx == NULL && x < cx18_cards_active; x++) { - /* find out which stream this open was on */ - for (y = 0; y < CX18_MAX_STREAMS; y++) { - if (cx18_cards[x] == NULL) - continue; - s = &cx18_cards[x]->streams[y]; - if (s->video_dev && s->video_dev->minor == minor) { - cx = cx18_cards[x]; - break; - } - } - } - spin_unlock(&cx18_cards_lock); - - if (cx == NULL) { - /* Couldn't find a device registered - on that minor, shouldn't happen! */ - printk(KERN_WARNING "No cx18 device found on minor %d\n", - minor); - return -ENXIO; - } + int res; + struct video_device *video_dev = video_devdata(filp); + struct cx18_stream *s = video_get_drvdata(video_dev); + struct cx18 *cx = s->cx;; mutex_lock(&cx->serialize_lock); if (cx18_init_on_first_open(cx)) { - CX18_ERR("Failed to initialize on minor %d\n", minor); + CX18_ERR("Failed to initialize on minor %d\n", + video_dev->minor); mutex_unlock(&cx->serialize_lock); return -ENXIO; } |