X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=tools%2Ffit_check_sign.c;h=d9361b00950c7a699c714d224adddcaec7a13dbe;hb=27326c7ee269ff351bba8c2461e19f29d66b6a3a;hp=af257cc8a2a2bf0bce3b51efc78f9aa58d1db4a0;hpb=a9468115699de562f08796bf2eabd832435bedec;p=oweals%2Fu-boot.git

diff --git a/tools/fit_check_sign.c b/tools/fit_check_sign.c
index af257cc8a2..d9361b0095 100644
--- a/tools/fit_check_sign.c
+++ b/tools/fit_check_sign.c
@@ -62,20 +62,31 @@ 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;
 	kfd = mmap_fdt(cmdname, keyfile, 0, &key_blob, &ksbuf, false);
-	if (ffd < 0)
+	if (kfd < 0)
 		return EXIT_FAILURE;
 
 	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);