33 	struct saa7164_user_buffer *ubuf;  in saa7164_vbi_buffers_dealloc()  local
47 		ubuf = list_entry(p, struct saa7164_user_buffer, list);  in saa7164_vbi_buffers_dealloc()
49 		saa7164_buffer_dealloc_user(ubuf);  in saa7164_vbi_buffers_dealloc()
54 		ubuf = list_entry(l, struct saa7164_user_buffer, list);  in saa7164_vbi_buffers_dealloc()
56 		saa7164_buffer_dealloc_user(ubuf);  in saa7164_vbi_buffers_dealloc()
70 	struct saa7164_user_buffer *ubuf;  in saa7164_vbi_buffers_alloc()  local
124 		ubuf = saa7164_buffer_alloc_user(dev, len);  in saa7164_vbi_buffers_alloc()
125 		if (ubuf) {  in saa7164_vbi_buffers_alloc()
127 			list_add_tail(&ubuf->list, &port->list_buf_free.list);  in saa7164_vbi_buffers_alloc()
274 	struct saa7164_user_buffer *ubuf;  in saa7164_vbi_stop_streaming()  local
298 		ubuf = list_entry(c, struct saa7164_user_buffer, list);  in saa7164_vbi_stop_streaming()
299 		ubuf->pos = 0;  in saa7164_vbi_stop_streaming()
300 		list_move_tail(&ubuf->list, &port->list_buf_free.list);  in saa7164_vbi_stop_streaming()
465 	struct saa7164_user_buffer *ubuf = NULL;  in saa7164_vbi_next_buf()  local
471 		ubuf = list_first_entry(&port->list_buf_used.list,  in saa7164_vbi_next_buf()
475 			crc = crc32(0, ubuf->data, ubuf->actual_size);  in saa7164_vbi_next_buf()
476 			if (crc != ubuf->crc) {  in saa7164_vbi_next_buf()
479 					ubuf, ubuf->crc, crc);  in saa7164_vbi_next_buf()
486 	dprintk(DBGLVL_VBI, "%s() returns %p\n", __func__, ubuf);  in saa7164_vbi_next_buf()
488 	return ubuf;  in saa7164_vbi_next_buf()
496 	struct saa7164_user_buffer *ubuf = NULL;  in fops_read()  local
538 	ubuf = saa7164_vbi_next_buf(port);  in fops_read()
540 	while ((count > 0) && ubuf) {  in fops_read()
543 		rem = ubuf->actual_size - ubuf->pos;  in fops_read()
546 		p = ubuf->data + ubuf->pos;  in fops_read()
550 			__func__, (int)count, cnt, rem, ubuf, ubuf->pos);  in fops_read()
561 		ubuf->pos += cnt;  in fops_read()
566 		if (ubuf->pos > ubuf->actual_size)  in fops_read()
569 		if (ubuf->pos == ubuf->actual_size) {  in fops_read()
574 			ubuf->pos = 0;  in fops_read()
577 			list_move_tail(&ubuf->list, &port->list_buf_free.list);  in fops_read()
587 			ubuf = saa7164_vbi_next_buf(port);  in fops_read()
591 	if (!ret && !ubuf) {  in fops_read()