netdev - Re: [PATCH net-next 05/12] net: ethtool: create and export ethtool_dev_mm

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Date:   Fri, 17 Feb 2023 15:00:34 +0200
From:   Vladimir Oltean <vladimir.oltean@....com>
To:     netdev@...r.kernel.org
Cc:     "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Jamal Hadi Salim <jhs@...atatu.com>,
        Cong Wang <xiyou.wangcong@...il.com>,
        Jiri Pirko <jiri@...nulli.us>,
        Vinicius Costa Gomes <vinicius.gomes@...el.com>,
        Kurt Kanzenbach <kurt@...utronix.de>,
        Gerhard Engleder <gerhard@...leder-embedded.com>,
        Amritha Nambiar <amritha.nambiar@...el.com>,
        Claudiu Manoil <claudiu.manoil@....com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        UNGLinuxDriver@...rochip.com, Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Ferenc Fejes <ferenc.fejes@...csson.com>,
        Xiaoliang Yang <xiaoliang.yang_1@....com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next 05/12] net: ethtool: create and export
 ethtool_dev_mm_supported()

On Fri, Feb 17, 2023 at 01:21:19AM +0200, Vladimir Oltean wrote:
> +bool ethtool_dev_mm_supported(struct net_device *dev)
> +{
> +	const struct ethtool_ops *ops = dev->ethtool_ops;
> +	bool supported;
> +	int ret;
> +
> +	ASSERT_RTNL();
> +
> +	if (!ops)
> +		return false;
> +
> +	ret = ethnl_ops_begin(dev);
> +	if (ret < 0)
> +		return false;
> +
> +	supported = __ethtool_dev_mm_supported(dev);
> +
> +	ethnl_ops_complete(dev);
> +
> +	return supported;
> +}

In the first patch that uses this:

ERROR: modpost: "ethtool_dev_mm_supported" [net/sched/sch_mqprio.ko] undefined!

due to a missing EXPORT_SYMBOL_GPL(). Sorry.