Use --help suggestion on invalid option

[thirdparty/util-linux.git] / sys-utils / dmesg.c

diff --git a/sys-utils/dmesg.c b/sys-utils/dmesg.c
index a06c6820da90d036321d68c859b989d7157bccb0..a608cf5742dc934a649e11baea23eea983ea43b7 100644 (file)
--- a/sys-utils/dmesg.c
+++ b/sys-utils/dmesg.c
@@ -1380,9 +1380,8 @@ int main(int argc, char *argv[])
                case OPT_TIME_FORMAT:
                        ctl.time_fmt = which_time_format(optarg);
                        break;
-               case '?':
                default:
-                       usage(stderr);
+                       errtryhelp(EXIT_FAILURE);
                }
        }
        argc -= optind;