3294 static inline bool vb2_queue_is_busy(struct video_device *vdev, struct file *file)  in vb2_queue_is_busy()  argument
3296 	return vdev->queue->owner && vdev->queue->owner != file->private_data;  in vb2_queue_is_busy()
3304 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_reqbufs()  local
3305 	int res = __verify_memory_type(vdev->queue, p->memory, p->type);  in vb2_ioctl_reqbufs()
3309 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_reqbufs()
3311 	res = __reqbufs(vdev->queue, p);  in vb2_ioctl_reqbufs()
3315 		vdev->queue->owner = p->count ? file->private_data : NULL;  in vb2_ioctl_reqbufs()
3323 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_create_bufs()  local
3324 	int res = __verify_memory_type(vdev->queue, p->memory, p->format.type);  in vb2_ioctl_create_bufs()
3326 	p->index = vdev->queue->num_buffers;  in vb2_ioctl_create_bufs()
3333 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_create_bufs()
3335 	res = __create_bufs(vdev->queue, p);  in vb2_ioctl_create_bufs()
3337 		vdev->queue->owner = file->private_data;  in vb2_ioctl_create_bufs()
3345 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_prepare_buf()  local
3347 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_prepare_buf()
3349 	return vb2_prepare_buf(vdev->queue, p);  in vb2_ioctl_prepare_buf()
3355 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_querybuf()  local
3358 	return vb2_querybuf(vdev->queue, p);  in vb2_ioctl_querybuf()
3364 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_qbuf()  local
3366 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_qbuf()
3368 	return vb2_qbuf(vdev->queue, p);  in vb2_ioctl_qbuf()
3374 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_dqbuf()  local
3376 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_dqbuf()
3378 	return vb2_dqbuf(vdev->queue, p, file->f_flags & O_NONBLOCK);  in vb2_ioctl_dqbuf()
3384 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_streamon()  local
3386 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_streamon()
3388 	return vb2_streamon(vdev->queue, i);  in vb2_ioctl_streamon()
3394 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_streamoff()  local
3396 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_streamoff()
3398 	return vb2_streamoff(vdev->queue, i);  in vb2_ioctl_streamoff()
3404 	struct video_device *vdev = video_devdata(file);  in vb2_ioctl_expbuf()  local
3406 	if (vb2_queue_is_busy(vdev, file))  in vb2_ioctl_expbuf()
3408 	return vb2_expbuf(vdev->queue, p);  in vb2_ioctl_expbuf()
3416 	struct video_device *vdev = video_devdata(file);  in vb2_fop_mmap()  local
3418 	return vb2_mmap(vdev->queue, vma);  in vb2_fop_mmap()
3424 	struct video_device *vdev = video_devdata(file);  in _vb2_fop_release()  local
3428 	if (file->private_data == vdev->queue->owner) {  in _vb2_fop_release()
3429 		vb2_queue_release(vdev->queue);  in _vb2_fop_release()
3430 		vdev->queue->owner = NULL;  in _vb2_fop_release()
3440 	struct video_device *vdev = video_devdata(file);  in vb2_fop_release()  local
3441 	struct mutex *lock = vdev->queue->lock ? vdev->queue->lock : vdev->lock;  in vb2_fop_release()
3450 	struct video_device *vdev = video_devdata(file);  in vb2_fop_write()  local
3451 	struct mutex *lock = vdev->queue->lock ? vdev->queue->lock : vdev->lock;  in vb2_fop_write()
3454 	if (!(vdev->queue->io_modes & VB2_WRITE))  in vb2_fop_write()
3458 	if (vb2_queue_is_busy(vdev, file))  in vb2_fop_write()
3460 	err = vb2_write(vdev->queue, buf, count, ppos,  in vb2_fop_write()
3462 	if (vdev->queue->fileio)  in vb2_fop_write()
3463 		vdev->queue->owner = file->private_data;  in vb2_fop_write()
3474 	struct video_device *vdev = video_devdata(file);  in vb2_fop_read()  local
3475 	struct mutex *lock = vdev->queue->lock ? vdev->queue->lock : vdev->lock;  in vb2_fop_read()
3478 	if (!(vdev->queue->io_modes & VB2_READ))  in vb2_fop_read()
3482 	if (vb2_queue_is_busy(vdev, file))  in vb2_fop_read()
3484 	err = vb2_read(vdev->queue, buf, count, ppos,  in vb2_fop_read()
3486 	if (vdev->queue->fileio)  in vb2_fop_read()
3487 		vdev->queue->owner = file->private_data;  in vb2_fop_read()
3497 	struct video_device *vdev = video_devdata(file);  in vb2_fop_poll()  local
3498 	struct vb2_queue *q = vdev->queue;  in vb2_fop_poll()
3499 	struct mutex *lock = q->lock ? q->lock : vdev->lock;  in vb2_fop_poll()
3514 	res = vb2_poll(vdev->queue, file, wait);  in vb2_fop_poll()
3529 	struct video_device *vdev = video_devdata(file);  in vb2_fop_get_unmapped_area()  local
3531 	return vb2_get_unmapped_area(vdev->queue, addr, len, pgoff, flags);  in vb2_fop_get_unmapped_area()