tools: gen_eth_addr: add getpid() to time(0) to avoid duplicated seed

[u-boot] / common / env_flags.c

diff --git a/common/env_flags.c b/common/env_flags.c
index e9b72e60a94cb57091fed15d6aeeada78f16abd2..e682d8517890cca27d87d812244e16330071e783 100644 (file)
--- 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:
@@ -395,6 +409,9 @@ static int env_parse_flags_to_bin(const char *flags)
        return binflags;
 }
 
+static int first_call = 1;
+static const char *flags_list;
+
 /*
  * Look for possible flags for a newly added variable
  * This is called specifically when the variable did not exist in the hash
@@ -403,10 +420,13 @@ static int env_parse_flags_to_bin(const char *flags)
 void env_flags_init(ENTRY *var_entry)
 {
        const char *var_name = var_entry->key;
-       const char *flags_list = getenv(ENV_FLAGS_VAR);
        char flags[ENV_FLAGS_ATTR_MAX_LEN + 1] = "";
        int ret = 1;
 
+       if (first_call) {
+               flags_list = getenv(ENV_FLAGS_VAR);
+               first_call = 0;
+       }
        /* look in the ".flags" and static for a reference to this variable */
        ret = env_flags_lookup(flags_list, var_name, flags);
 
@@ -429,7 +449,7 @@ static int clear_flags(ENTRY *entry)
 /*
  * Call for each element in the list that defines flags for a variable
  */
-static int set_flags(const char *name, const char *value)
+static int set_flags(const char *name, const char *value, void *priv)
 {
        ENTRY e, *ep;
 
@@ -457,9 +477,9 @@ static int on_flags(const char *name, const char *value, enum env_op op,
        hwalk_r(&env_htab, clear_flags);
 
        /* configure any static flags */
-       env_attr_walk(ENV_FLAGS_LIST_STATIC, set_flags);
+       env_attr_walk(ENV_FLAGS_LIST_STATIC, set_flags, NULL);
        /* configure any dynamic flags */
-       env_attr_walk(value, set_flags);
+       env_attr_walk(value, set_flags, NULL);
 
        return 0;
 }