netdev - Re: [PATCH v3] net, wireless: overwrite default_ethtool

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Message-Id: <20130111.155936.1799008114956712424.davem@davemloft.net>
Date:	Fri, 11 Jan 2013 15:59:36 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	bhutchings@...arflare.com
Cc:	sgruszka@...hat.com, netdev@...r.kernel.org, edumazet@...gle.com,
	greearb@...delatech.com, bjorn@...k.no,
	linux-wireless@...r.kernel.org, mirqus@...il.com,
	johannes@...solutions.net
Subject: Re: [PATCH v3] net, wireless: overwrite default_ethtool_ops

From: Ben Hutchings <bhutchings@...arflare.com>
Date: Fri, 11 Jan 2013 20:00:32 +0000

> On Fri, 2013-01-11 at 10:19 +0100, Stanislaw Gruszka wrote:
>> Since:
>> 
>> commit 2c60db037034d27f8c636403355d52872da92f81
>> Author: Eric Dumazet <edumazet@...gle.com>
>> Date:   Sun Sep 16 09:17:26 2012 +0000
>> 
>>     net: provide a default dev->ethtool_ops
>> 
>> wireless core does not correctly assign ethtool_ops.
>> 
>> After alloc_netdev*() call, some cfg80211 drivers provide they own
>> ethtool_ops, but some do not. For them, wireless core provide generic
>> cfg80211_ethtool_ops, which is assigned in NETDEV_REGISTER notify call:
>> 
>>         if (!dev->ethtool_ops)
>>                 dev->ethtool_ops = &cfg80211_ethtool_ops;
>> 
>> But after Eric's commit, dev->ethtool_ops is no longer NULL (on cfg80211
>> drivers without custom ethtool_ops), but points to &default_ethtool_ops.
>> 
>> In order to fix the problem, provide function which will overwrite
>> default_ethtool_ops and use it by wireless core.
>> 
>> Signed-off-by: Stanislaw Gruszka <sgruszka@...hat.com>
> [...]
> 
> Acked-by: Ben Hutchings <bhutchings@...arflare.com>

Applied.
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