netdev - Re: [net-next-2.6 V6 PATCH 1/2] Add netlink support for virtual port management (was iovnl)

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Message-ID: <4BEC65BC.5040208@trash.net>
Date:	Thu, 13 May 2010 22:49:00 +0200
From:	Patrick McHardy <kaber@...sh.net>
To:	Chris Wright <chrisw@...hat.com>
CC:	Scott Feldman <scofeldm@...co.com>, davem@...emloft.net,
	netdev@...r.kernel.org, arnd@...db.de
Subject: Re: [net-next-2.6 V6 PATCH 1/2] Add netlink support for virtual port
 management (was iovnl)

Chris Wright wrote:
> * Patrick McHardy (kaber@...sh.net) wrote:
>>> +	} else  {
>>> +		err = rtnl_vf_port_fill_nest(skb, dev, -1);
>> What does -1 mean?
> 
> It means no VFs.  Could be made a macro/enum constant

Why call rtnl_vg_port_fill_nest at all in that case? It even
calls the ndo_get_vf_port() callback.
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