objtool: Fix seg fault caused by missing parameter

[platform/kernel/linux-exynos.git] / tools / objtool / builtin-orc.c

diff --git a/tools/objtool/builtin-orc.c b/tools/objtool/builtin-orc.c
index 4c6b5c9..91e8e19 100644 (file)
--- a/tools/objtool/builtin-orc.c
+++ b/tools/objtool/builtin-orc.c
@@ -44,6 +44,9 @@ int cmd_orc(int argc, const char **argv)
        const char *objname;
 
        argc--; argv++;
+       if (argc <= 0)
+               usage_with_options(orc_usage, check_options);
+
        if (!strncmp(argv[0], "gen", 3)) {
                argc = parse_options(argc, argv, check_options, orc_usage, 0);
                if (argc != 1)
@@ -52,7 +55,6 @@ int cmd_orc(int argc, const char **argv)
                objname = argv[0];
 
                return check(objname, no_fp, no_unreachable, true);
-
        }
 
        if (!strcmp(argv[0], "dump")) {