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-rw-r--r--common/env_flags.c40
1 files changed, 27 insertions, 13 deletions
diff --git a/common/env_flags.c b/common/env_flags.c
index 5189f5b2dd..e682d85178 100644
--- a/common/env_flags.c
+++ b/common/env_flags.c
@@ -187,6 +187,31 @@ static void skip_num(int hex, const char *value, const char **end,
*end = value;
}
+#ifdef CONFIG_CMD_NET
+int eth_validate_ethaddr_str(const char *addr)
+{
+ const char *end;
+ const char *cur;
+ int i;
+
+ cur = addr;
+ for (i = 0; i < 6; i++) {
+ skip_num(1, cur, &end, 2);
+ if (cur == end)
+ return -1;
+ if (cur + 2 == end && is_hex_prefix(cur))
+ return -1;
+ if (i != 5 && *end != ':')
+ return -1;
+ if (i == 5 && *end != '\0')
+ return -1;
+ cur = end + 1;
+ }
+
+ return 0;
+}
+#endif
+
/*
* Based on the declared type enum, validate that the value string complies
* with that format
@@ -239,19 +264,8 @@ static int _env_flags_validate_type(const char *value,
}
break;
case env_flags_vartype_macaddr:
- cur = value;
- for (i = 0; i < 6; i++) {
- skip_num(1, cur, &end, 2);
- if (cur == end)
- return -1;
- if (cur + 2 == end && is_hex_prefix(cur))
- return -1;
- if (i != 5 && *end != ':')
- return -1;
- if (i == 5 && *end != '\0')
- return -1;
- cur = end + 1;
- }
+ if (eth_validate_ethaddr_str(value))
+ return -1;
break;
#endif
case env_flags_vartype_end: