Return-path: Received: from mail-wg0-f52.google.com ([74.125.82.52]:44420 "EHLO mail-wg0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751626Ab3AGLRO (ORCPT ); Mon, 7 Jan 2013 06:17:14 -0500 Received: by mail-wg0-f52.google.com with SMTP id 12so9724187wgh.7 for ; Mon, 07 Jan 2013 03:17:13 -0800 (PST) Date: Mon, 7 Jan 2013 12:11:08 +0100 From: Jiri Pirko To: Stanislaw Gruszka Cc: netdev@vger.kernel.org, "David S. Miller" , Eric Dumazet , Ben Greear , =?iso-8859-1?Q?Bj=F8rn?= Mork , linux-wireless@vger.kernel.org, Ben Hutchings Subject: Re: [PATCH repost] net,wireless: check against default_ethtool_ops Message-ID: <20130107111108.GB1587@minipsycho.orion> (sfid-20130107_121718_137652_57550FF0) References: <20130107095548.GA6931@redhat.com> <20130107102307.GA1587@minipsycho.orion> <20130107104413.GB6931@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20130107104413.GB6931@redhat.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: Mon, Jan 07, 2013 at 11:44:14AM CET, sgruszka@redhat.com wrote: >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. I think it's always better to add few more lines in order to prevent possible confusion which exporting default_ethtool_ops might introduce... > >Stanislaw