From mboxrd@z Thu Jan 1 00:00:00 1970 From: Caleb Raitto Subject: [PATCH iproute2] tc/mqprio: Print extra info on invalid args. Date: Wed, 5 Sep 2018 13:24:19 -0700 Message-ID: <20180905202419.238812-1-caleb.raitto@gmail.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Cc: jhs@mojatatu.com, xiyou.wangcong@gmail.com, jiri@resnulli.us, Caleb Raitto To: stephen@networkplumber.org, netdev@vger.kernel.org Return-path: Received: from mail-pg1-f177.google.com ([209.85.215.177]:40975 "EHLO mail-pg1-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727527AbeIFA4L (ORCPT ); Wed, 5 Sep 2018 20:56:11 -0400 Received: by mail-pg1-f177.google.com with SMTP id s15-v6so3983784pgv.8 for ; Wed, 05 Sep 2018 13:24:22 -0700 (PDT) Sender: netdev-owner@vger.kernel.org List-ID: From: Caleb Raitto Print the name of the argument that wasn't understood, and also print the usage string. Signed-off-by: Caleb Raitto --- tc/q_mqprio.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tc/q_mqprio.c b/tc/q_mqprio.c index 89b46002..cf2eceb4 100644 --- a/tc/q_mqprio.c +++ b/tc/q_mqprio.c @@ -167,7 +167,8 @@ static int mqprio_parse_opt(struct qdisc_util *qu, int argc, explain(); return -1; } else { - fprintf(stderr, "Unknown argument\n"); + fprintf(stderr, "Unknown argument: %s\n", *argv); + explain(); return -1; } argc--; argv++; -- 2.19.0.rc1.350.ge57e33dbd1-goog