From 677ec86cef983a106c6e5d175f44b125858c3016 Mon Sep 17 00:00:00 2001
From: Karel Zak
Date: Mon, 19 Dec 2016 13:13:34 +0100
Subject: Use --help suggestion on invalid option

The current default is to print all usage() output. This is overkill
in many case.

Addresses: https://github.com/karelzak/util-linux/issues/338
Signed-off-by: Karel Zak <kzak@redhat.com>
---
 sys-utils/dmesg.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

(limited to 'sys-utils/dmesg.c')

diff --git a/sys-utils/dmesg.c b/sys-utils/dmesg.c
index a06c6820d..a608cf574 100644
--- 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;
-- 
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