netdev - Re: [PATCH iproute2-next 2/2] tc: add new attr TCA_EXT_WARN

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Message-ID: <20230112203019.738d9744@hermes.local>
Date:   Thu, 12 Jan 2023 20:30:19 -0800
From:   Stephen Hemminger <stephen@...workplumber.org>
To:     Hangbin Liu <liuhangbin@...il.com>
Cc:     netdev@...r.kernel.org, Jamal Hadi Salim <jhs@...atatu.com>,
        Cong Wang <xiyou.wangcong@...il.com>,
        Jiri Pirko <jiri@...nulli.us>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        David Ahern <dsahern@...nel.org>
Subject: Re: [PATCH iproute2-next 2/2] tc: add new attr TCA_EXT_WARN_MSG

On Fri, 13 Jan 2023 11:46:17 +0800
Hangbin Liu <liuhangbin@...il.com> wrote:

> 	if (tb[TCA_EXT_WARN_MSG]) {
> +		print_string(PRINT_ANY, "Warn", "%s ", rta_getattr_str(tb[TCA_EXT_WARN_MSG]));
> +		print_nl();
> +	}
> +

Errors should go to stderr, and not to stdout. And no JSON support please.