netdev - Re: [PATCH repost] net,wireless: check against default_ethtool

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Date:	Mon, 7 Jan 2013 11:44:14 +0100
From:	Stanislaw Gruszka <sgruszka@...hat.com>
To:	Jiri Pirko <jiri@...nulli.us>
Cc:	netdev@...r.kernel.org, "David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Ben Greear <greearb@...delatech.com>,
	Bjørn Mork <bjorn@...k.no>,
	linux-wireless@...r.kernel.org,
	Ben Hutchings <bhutchings@...arflare.com>
Subject: Re: [PATCH repost] net,wireless: check against default_ethtool_ops

On Mon, Jan 07, 2013 at 11:23:07AM +0100, Jiri Pirko wrote:
> >-static const struct ethtool_ops default_ethtool_ops;
> >+const struct ethtool_ops default_ethtool_ops;
> >+EXPORT_SYMBOL_GPL(default_ethtool_ops);
> 
> I think that default_ethtool_ops should stay static. Wouldn't it be
> nicer to introduce a helper like:
> 
> bool dev_has_default_ethtool_ops(struct net_device *dev)
> {
> 	return dev->ethtool_ops == &default_ethtool_ops;
> }

Then I still have to export this function. So with your approch, number
of exported symbols will be the same, but there will be few more lines
of code.

Stanislaw
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