From 8fc4107c911826f7e0900797e36b24010230e30d Mon Sep 17 00:00:00 2001
From: Thomas Wood <thomas.wood@intel.com>
Date: Fri, 25 Jul 2014 15:35:36 +0100
Subject: testdisplay: set a non-zero exit code if getopt detected an error

Signed-off-by: Thomas Wood <thomas.wood@intel.com>
---
 tests/testdisplay.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'tests/testdisplay.c')

diff --git a/tests/testdisplay.c b/tests/testdisplay.c
index 3bf61336..a187c16e 100644
--- a/tests/testdisplay.c
+++ b/tests/testdisplay.c
@@ -672,7 +672,7 @@ static void __attribute__((noreturn)) usage(char *name)
 	igt_info("\t\t<vdisp>,<vsync-start>,<vsync-end>,<vtotal>\n");
 	igt_info("\t\ttest force mode\n");
 	igt_info("\tDefault is to test all modes.\n");
-	exit(0);
+	exit((optopt) ? -1 : 0);
 }
 
 #define dump_resource(res) if (res) dump_##res()
-- 
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