diff options
Diffstat (limited to 'drivers/media/video/v4l2-fh.c')
| -rw-r--r-- | drivers/media/video/v4l2-fh.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/media/video/v4l2-fh.c b/drivers/media/video/v4l2-fh.c index 543b3fe6784..717f71e6370 100644 --- a/drivers/media/video/v4l2-fh.c +++ b/drivers/media/video/v4l2-fh.c @@ -35,7 +35,6 @@ int v4l2_fh_init(struct v4l2_fh *fh, struct video_device *vdev) INIT_LIST_HEAD(&fh->list); set_bit(V4L2_FL_USES_V4L2_FH, &fh->vdev->flags); fh->prio = V4L2_PRIORITY_UNSET; - BUG_ON(vdev->prio == NULL); /* * fh->events only needs to be initialized if the driver @@ -54,7 +53,8 @@ void v4l2_fh_add(struct v4l2_fh *fh) { unsigned long flags; - v4l2_prio_open(fh->vdev->prio, &fh->prio); + if (test_bit(V4L2_FL_USE_FH_PRIO, &fh->vdev->flags)) + v4l2_prio_open(fh->vdev->prio, &fh->prio); spin_lock_irqsave(&fh->vdev->fh_lock, flags); list_add(&fh->list, &fh->vdev->fh_list); spin_unlock_irqrestore(&fh->vdev->fh_lock, flags); @@ -82,7 +82,8 @@ void v4l2_fh_del(struct v4l2_fh *fh) spin_lock_irqsave(&fh->vdev->fh_lock, flags); list_del_init(&fh->list); spin_unlock_irqrestore(&fh->vdev->fh_lock, flags); - v4l2_prio_close(fh->vdev->prio, fh->prio); + if (test_bit(V4L2_FL_USE_FH_PRIO, &fh->vdev->flags)) + v4l2_prio_close(fh->vdev->prio, fh->prio); } EXPORT_SYMBOL_GPL(v4l2_fh_del); |