394 	int retval;  in videobuf_reqbufs()  local
411 		retval = -EINVAL;  in videobuf_reqbufs()
417 		retval = -EBUSY;  in videobuf_reqbufs()
422 		retval = -EBUSY;  in videobuf_reqbufs()
435 	retval = __videobuf_mmap_setup(q, count, size, req->memory);  in videobuf_reqbufs()
436 	if (retval < 0) {  in videobuf_reqbufs()
437 		dprintk(1, "reqbufs: mmap setup returned %d\n", retval);  in videobuf_reqbufs()
441 	req->count = retval;  in videobuf_reqbufs()
445 	return retval;  in videobuf_reqbufs()
480 	int retval;  in videobuf_qbuf()  local
488 	retval = -EBUSY;  in videobuf_qbuf()
493 	retval = -EINVAL;  in videobuf_qbuf()
555 	retval = q->ops->buf_prepare(q, buf, field);  in videobuf_qbuf()
556 	if (0 != retval) {  in videobuf_qbuf()
557 		dprintk(1, "qbuf: buffer_prepare returned %d\n", retval);  in videobuf_qbuf()
568 	retval = 0;  in videobuf_qbuf()
577 	return retval;  in videobuf_qbuf()
584 	int retval;  in stream_next_buffer_check_queue()  local
589 		retval = -EINVAL;  in stream_next_buffer_check_queue()
595 			retval = -EAGAIN;  in stream_next_buffer_check_queue()
607 			retval = wait_event_interruptible(q->wait,  in stream_next_buffer_check_queue()
611 			if (retval)  in stream_next_buffer_check_queue()
618 	retval = 0;  in stream_next_buffer_check_queue()
621 	return retval;  in stream_next_buffer_check_queue()
629 	int retval;  in stream_next_buffer()  local
632 	retval = stream_next_buffer_check_queue(q, nonblocking);  in stream_next_buffer()
633 	if (retval)  in stream_next_buffer()
637 	retval = videobuf_waiton(buf, nonblocking, 1);  in stream_next_buffer()
638 	if (retval < 0)  in stream_next_buffer()
643 	return retval;  in stream_next_buffer()
650 	int retval;  in videobuf_dqbuf()  local
656 	retval = stream_next_buffer(q, &buf, nonblocking);  in videobuf_dqbuf()
657 	if (retval < 0) {  in videobuf_dqbuf()
658 		dprintk(1, "dqbuf: next_buffer error: %i\n", retval);  in videobuf_dqbuf()
665 		retval = -EIO;  in videobuf_dqbuf()
676 		retval = -EINVAL;  in videobuf_dqbuf()
685 	return retval;  in videobuf_dqbuf()
692 	int retval;  in videobuf_streamon()  local
695 	retval = -EBUSY;  in videobuf_streamon()
698 	retval = 0;  in videobuf_streamon()
711 	return retval;  in videobuf_streamon()
727 	int retval;  in videobuf_streamoff()  local
730 	retval = __videobuf_streamoff(q);  in videobuf_streamoff()
733 	return retval;  in videobuf_streamoff()
743 	int retval;  in videobuf_read_zerocopy()  local
757 	retval = q->ops->buf_prepare(q, q->read_buf, field);  in videobuf_read_zerocopy()
758 	if (0 != retval)  in videobuf_read_zerocopy()
765 	retval = videobuf_waiton(q->read_buf, 0, 0);  in videobuf_read_zerocopy()
766 	if (0 == retval) {  in videobuf_read_zerocopy()
769 			retval = -EIO;  in videobuf_read_zerocopy()
771 			retval = q->read_buf->size;  in videobuf_read_zerocopy()
779 	return retval;  in videobuf_read_zerocopy()
789 	int retval;  in videobuf_read_one()  local
800 		retval = videobuf_read_zerocopy(q, data, count, ppos);  in videobuf_read_one()
801 		if (retval >= 0  ||  retval == -EIO)  in videobuf_read_one()
809 		retval = -ENOMEM;  in videobuf_read_one()
818 		retval = q->ops->buf_prepare(q, q->read_buf, field);  in videobuf_read_one()
820 		if (0 != retval) {  in videobuf_read_one()
834 	retval = videobuf_waiton(q->read_buf, nonblocking, 1);  in videobuf_read_one()
835 	if (0 != retval)  in videobuf_read_one()
845 		retval = -EIO;  in videobuf_read_one()
850 	retval = CALL(q, video_copy_to_user, q, data, count, nonblocking);  in videobuf_read_one()
851 	if (retval < 0)  in videobuf_read_one()
854 	q->read_off += retval;  in videobuf_read_one()
864 	return retval;  in videobuf_read_one()
956 	int rc, retval;  in videobuf_read_stream()  local
963 	retval = -EBUSY;  in videobuf_read_stream()
967 		retval = __videobuf_read_start(q);  in videobuf_read_stream()
968 		if (retval < 0)  in videobuf_read_stream()
972 	retval = 0;  in videobuf_read_stream()
984 			if (0 == retval)  in videobuf_read_stream()
985 				retval = rc;  in videobuf_read_stream()
990 			rc = CALL(q, copy_stream, q, data + retval, count,  in videobuf_read_stream()
991 					retval, vbihack, nonblocking);  in videobuf_read_stream()
993 				retval = rc;  in videobuf_read_stream()
996 			retval      += rc;  in videobuf_read_stream()
1002 			if (0 == retval)  in videobuf_read_stream()
1003 				retval = -EIO;  in videobuf_read_stream()
1015 		if (retval < 0)  in videobuf_read_stream()
1021 	return retval;  in videobuf_read_stream()
1066 	int retval;  in videobuf_mmap_mapper()  local
1071 	retval = CALL(q, mmap_mapper, q, vma);  in videobuf_mmap_mapper()
1075 	return retval;  in videobuf_mmap_mapper()