linux-kernel - Re: [PATCH net 0/3] ethtool: fail with error if request has unknown flags

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Message-Id: <20200316.020458.1470957653235116686.davem@davemloft.net>
Date:   Mon, 16 Mar 2020 02:04:58 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     mkubecek@...e.cz
Cc:     kuba@...nel.org, netdev@...r.kernel.org, johannes@...solutions.net,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net 0/3] ethtool: fail with error if request has
 unknown flags

From: Michal Kubecek <mkubecek@...e.cz>
Date: Sun, 15 Mar 2020 18:17:38 +0100 (CET)

> Jakub Kicinski pointed out that if unrecognized flags are set in netlink
> header request, kernel shoud fail with an error rather than silently
> ignore them so that we have more freedom in future flags semantics.
> 
> To help userspace with handling such errors, inform the client which
> flags are supported by kernel. For that purpose, we need to allow
> passing cookies as part of extack also in case of error (they can be
> only passed on success now).

Series applied, thanks Michal.