// SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)/* * libfdt - Flat Device Tree manipulation * Copyright (C) 2012 David Gibson, IBM Corporation. */#include "libfdt_env.h" #include <fdt.h>#include <libfdt.h> #include "libfdt_internal.h" int fdt_create_empty_tree(void *buf, int bufsize){	int err; 	err = fdt_create(buf, bufsize);	if (err)		return err; 	err = fdt_finish_reservemap(buf);	if (err)		return err; 	err = fdt_begin_node(buf, "");	if (err)		return err; 	err =  fdt_end_node(buf);	if (err)		return err; 	err = fdt_finish(buf);	if (err)		return err; 	return fdt_open_into(buf, buf, bufsize);}