linux-kernel - Re: [PATCH net-next 01/12] net: dpaa2-eth: don't use -ENOTSUPP error code

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Message-ID: <Y4ZUGl6nN0cImLBW@lunn.ch>
Date:   Tue, 29 Nov 2022 19:48:58 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Vladimir Oltean <vladimir.oltean@....com>
Cc:     netdev@...r.kernel.org, Ioana Ciornei <ioana.ciornei@....com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Russell King <linux@...linux.org.uk>,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next 01/12] net: dpaa2-eth: don't use -ENOTSUPP error
 code

On Tue, Nov 29, 2022 at 04:12:10PM +0200, Vladimir Oltean wrote:
> dpaa2_eth_setup_dpni() is called from the probe path and
> dpaa2_eth_set_link_ksettings() is propagated to user space.
> 
> include/linux/errno.h says that ENOTSUPP is "Defined for the NFSv3
> protocol". Conventional wisdom has it to not use it in networking
> drivers. Replace it with -EOPNOTSUPP.
> 
> Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew