diff options
| -rw-r--r-- | util/ectool.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/util/ectool.c b/util/ectool.c index 8c3e971afd..9d51cc7bc4 100644 --- a/util/ectool.c +++ b/util/ectool.c @@ -1563,13 +1563,13 @@ int cmd_fp_mode(int argc, char *argv[]) int cmd_fp_seed(int argc, char *argv[]) { struct ec_params_fp_seed p; - const char *seed = argv[1]; - int rv; + char *seed; - if (argc == 1) { - printf("Missing seed argument.\n"); + if (argc != 2) { + fprintf(stderr, "Usage: %s <seed>\n", argv[0]); return 1; } + seed = argv[1]; if (strlen(seed) != FP_CONTEXT_TPM_BYTES) { printf("Invalid seed '%s' is %zd bytes long instead of %d.\n", seed, strlen(seed), FP_CONTEXT_TPM_BYTES); @@ -1579,8 +1579,7 @@ int cmd_fp_seed(int argc, char *argv[]) p.struct_version = FP_TEMPLATE_FORMAT_VERSION; memcpy(p.seed, seed, FP_CONTEXT_TPM_BYTES); - rv = ec_command(EC_CMD_FP_SEED, 0, &p, sizeof(p), NULL, 0); - return rv; + return ec_command(EC_CMD_FP_SEED, 0, &p, sizeof(p), NULL, 0); } int cmd_fp_stats(int argc, char *argv[]) |