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-rw-r--r--common/hash.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/common/hash.c b/common/hash.c
index 12d6759..aceabc5 100644
--- a/common/hash.c
+++ b/common/hash.c
@@ -256,7 +256,7 @@ static int parse_verify_sum(struct hash_algo *algo, char *verify_str,
env_var = 1;
}
- if (env_var) {
+ if (!env_var) {
ulong addr;
void *buf;
@@ -347,7 +347,7 @@ int hash_command(const char *algo_name, int flags, cmd_tbl_t *cmdtp, int flag,
{
ulong addr, len;
- if (argc < 2)
+ if ((argc < 2) || ((flags & HASH_FLAG_VERIFY) && (argc < 3)))
return CMD_RET_USAGE;
addr = simple_strtoul(*argv++, NULL, 16);
@@ -380,8 +380,6 @@ int hash_command(const char *algo_name, int flags, cmd_tbl_t *cmdtp, int flag,
#else
if (0) {
#endif
- if (!argc)
- return CMD_RET_USAGE;
if (parse_verify_sum(algo, *argv, vsum,
flags & HASH_FLAG_ENV)) {
printf("ERROR: %s does not contain a valid "