Signed-off-by: Thomas Wood <thomas.wood@xxxxxxxxx>
---
tests/testdisplay.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tests/testdisplay.c b/tests/testdisplay.c
index f60e66d..20b0615 100644
--- a/tests/testdisplay.c
+++ b/tests/testdisplay.c
@@ -670,7 +670,7 @@ 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()
--
1.9.3
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