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From: Stephen Hemminger <stephen@networkplumber.org>
To: Florent Fourcot <florent.fourcot@wifirst.fr>
Cc: netdev@vger.kernel.org, cong.wang@bytedance.com,
	edumazet@google.com, Brian Baboch <brian.baboch@wifirst.fr>
Subject: Re: [PATCH v5 net-next 1/4] rtnetlink: return ENODEV when ifname does not exist and group is given
Date: Fri, 15 Apr 2022 12:24:32 -0700	[thread overview]
Message-ID: <20220415122432.5db0de59@hermes.local> (raw)
In-Reply-To: <20220415165330.10497-2-florent.fourcot@wifirst.fr>

On Fri, 15 Apr 2022 18:53:27 +0200
Florent Fourcot <florent.fourcot@wifirst.fr> wrote:

>  	if (!(nlh->nlmsg_flags & NLM_F_CREATE)) {
> -		if (ifm->ifi_index == 0 && tb[IFLA_GROUP])
> +		/* No dev found and NLM_F_CREATE not set. Requested dev does not exist,
> +		 * or it's for a group
> +		*/
> +		if (link_specified)
> +			return -ENODEV;

Please add extack error message as well?
Simple errno's are harder to debug.

  reply	other threads:[~2022-04-15 19:24 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-15 16:53 [PATCH v5 net-next 0/4] rtnetlink: improve ALT_IFNAME config and fix dangerous GROUP usage Florent Fourcot
2022-04-15 16:53 ` [PATCH v5 net-next 1/4] rtnetlink: return ENODEV when ifname does not exist and group is given Florent Fourcot
2022-04-15 19:24   ` Stephen Hemminger [this message]
2022-04-19  7:29     ` Florent Fourcot
2022-04-19 15:04       ` Stephen Hemminger
2022-04-15 16:53 ` [PATCH v5 net-next 2/4] rtnetlink: enable alt_ifname for setlink/newlink Florent Fourcot
2022-04-15 16:53 ` [PATCH v5 net-next 3/4] rtnetlink: return ENODEV when IFLA_ALT_IFNAME is used in dellink Florent Fourcot
2022-04-15 16:53 ` [PATCH v5 net-next 4/4] rtnetlink: return EINVAL when request cannot succeed Florent Fourcot
2022-04-15 19:26   ` Stephen Hemminger
2022-04-19  7:29     ` Florent Fourcot
2022-04-22  1:27     ` Vinicius Costa Gomes
2022-04-15 19:03 ` [PATCH v5 net-next 0/4] rtnetlink: improve ALT_IFNAME config and fix dangerous GROUP usage Jakub Kicinski
2022-04-19 11:50 ` patchwork-bot+netdevbpf
2022-04-19 11:50 ` Jason A. Donenfeld
2022-04-19 12:51   ` [PATCH net-next] Revert "rtnetlink: return EINVAL when request cannot succeed" Florent Fourcot
2022-04-20 14:48     ` Guillaume Nault
2022-04-21  1:15     ` Eric Dumazet
2022-04-22 10:10     ` patchwork-bot+netdevbpf
2022-04-19 14:25   ` [PATCH v5 net-next 0/4] rtnetlink: improve ALT_IFNAME config and fix dangerous GROUP usage Florent Fourcot

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