* (C) Copyright 2012
* Joe Hershberger, National Instruments, joe.hershberger@ni.com
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <linux/string.h>
/* Default value for NULL to protect string-manipulating functions */
newval = newval ? : "";
-#ifndef CONFIG_ENV_OVERWRITE
- /*
- * Some variables like "ethaddr" and "serial#" can be set only once and
- * cannot be deleted, unless CONFIG_ENV_OVERWRITE is defined.
- */
- if (op != env_op_create && /* variable exists */
- (flag & H_FORCE) == 0) { /* and we are not forced */
- if (strcmp(name, "serial#") == 0 ||
- (strcmp(name, "ethaddr") == 0
-#if defined(CONFIG_OVERWRITE_ETHADDR_ONCE) && defined(CONFIG_ETHADDR)
- && strcmp(oldval, __stringify(CONFIG_ETHADDR)) != 0
-#endif /* CONFIG_OVERWRITE_ETHADDR_ONCE && CONFIG_ETHADDR */
- )) {
- printf("Can't overwrite \"%s\"\n", name);
- return 1;
- }
- }
-#endif
-
/* validate the value to match the variable type */
if (op != env_op_delete) {
enum env_flags_vartype type = (enum env_flags_vartype)