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authorJoe Hershberger <joe.hershberger@ni.com>2012-12-11 22:16:37 -0600
committerTom Rini <trini@ti.com>2012-12-13 11:46:57 -0700
commit1d6cd0a3f69b549a3fc7e735a045279e7a14947e (patch)
tree4abb7a50269c09b33e599f291bf6295b863e28e0 /common/env_flags.c
parent9d8d661d7fda6ccda1d5fc31565f207b7648bc6d (diff)
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env: Handle write-once ethaddr and serial# generically
Use the variable access flags to implement the protection for ethaddr and serial# instead of hard-coding them. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Diffstat (limited to 'common/env_flags.c')
-rw-r--r--common/env_flags.c19
1 files changed, 0 insertions, 19 deletions
diff --git a/common/env_flags.c b/common/env_flags.c
index 4caf12e..336cae4 100644
--- a/common/env_flags.c
+++ b/common/env_flags.c
@@ -503,25 +503,6 @@ int env_flags_validate(const ENTRY *item, const char *newval, enum env_op op,
/* 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)