udev/cdrom_id: do not abort on unknown options

Copy-pasta is good, but you have to pick a reliable source.

diff --git a/src/udev/cdrom_id/cdrom_id.c b/src/udev/cdrom_id/cdrom_id.c
index ea420a961716a45bd53ff278a5d33664abf12f91..3d58100f3e5ffe56560e2241bb43b62adc3d1f31 100644 (file)
--- a/src/udev/cdrom_id/cdrom_id.c
+++ b/src/udev/cdrom_id/cdrom_id.c
@@ -938,6 +938,8 @@ static int parse_argv(int argc, char *argv[]) {
                         break;
                 case 'h':
                         return help();
+                case '?':
+                        return -EINVAL;
                 default:
                         assert_not_reached();
                 }