karo: fdt: support 'panel-dpi' in DT

[karo-tx-uboot.git] / tools / fit_check_sign.c

diff --git a/tools/fit_check_sign.c b/tools/fit_check_sign.c
index af257cc8a2a2bf0bce3b51efc78f9aa58d1db4a0..69e99c0d179e048231b8c6ef0429e47e54ec3cfe 100644 (file)
--- a/tools/fit_check_sign.c
+++ b/tools/fit_check_sign.c
@@ -62,6 +62,15 @@ int main(int argc, char **argv)
                        break;
        }
 
+       if (!fdtfile) {
+               fprintf(stderr, "%s: Missing fdt file\n", *argv);
+               usage(*argv);
+       }
+       if (!keyfile) {
+               fprintf(stderr, "%s: Missing key file\n", *argv);
+               usage(*argv);
+       }
+
        ffd = mmap_fdt(cmdname, fdtfile, 0, &fit_blob, &fsbuf, false);
        if (ffd < 0)
                return EXIT_FAILURE;
@@ -71,11 +80,13 @@ int main(int argc, char **argv)
 
        image_set_host_blob(key_blob);
        ret = fit_check_sign(fit_blob, key_blob);
-
-       if (ret)
+       if (!ret) {
                ret = EXIT_SUCCESS;
-       else
+               fprintf(stderr, "Signature check OK\n");
+       } else {
                ret = EXIT_FAILURE;
+               fprintf(stderr, "Signature check Bad (error %d)\n", ret);
+       }
 
        (void) munmap((void *)fit_blob, fsbuf.st_size);
        (void) munmap((void *)key_blob, ksbuf.st_size);