556 	unsigned int talen = 0, tato = 0;  in xdr_buf_pages_copy_right()  local
563 		tato = to - buf->page_len;  in xdr_buf_pages_copy_right()
564 		if (tail->iov_len >= len + tato)  in xdr_buf_pages_copy_right()
566 		else if (tail->iov_len > tato)  in xdr_buf_pages_copy_right()
567 			talen = tail->iov_len - tato;  in xdr_buf_pages_copy_right()
576 	_copy_from_pages(tail->iov_base + tato, buf->pages,  in xdr_buf_pages_copy_right()
590 	unsigned int talen = 0, tato = 0;  in xdr_buf_head_copy_right()  local
597 		tato = to - buf->page_len - head->iov_len;  in xdr_buf_head_copy_right()
616 	if (talen + tato > tail->iov_len)  in xdr_buf_head_copy_right()
617 		talen = tail->iov_len > tato ? tail->iov_len - tato : 0;  in xdr_buf_head_copy_right()
618 	memcpy(tail->iov_base + tato, head->iov_base + base, talen);  in xdr_buf_head_copy_right()