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Date:   Wed, 20 Apr 2022 18:15:56 -0700
From:   Eric Dumazet <>
To:     Florent Fourcot <>,
Cc:     Stephen Hemminger <>,
        Brian Baboch <>
Subject: Re: [PATCH net-next] Revert "rtnetlink: return EINVAL when request
 cannot succeed"

On 4/19/22 05:51, Florent Fourcot wrote:
> This reverts commit b6177d3240a4
> ip-link command is testing kernel capability by sending a RTM_NEWLINK
> request, without any argument. It accepts everything in reply, except
> EOPNOTSUPP and EINVAL (functions iplink_have_newlink / accept_msg)
> So we must keep compatiblity here, invalid empty message should not
> return EINVAL
> Signed-off-by: Florent Fourcot <>

Reviewed-by: Eric Dumazet <>

Thanks for fixing this issue.

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