netdev - Re: [patch net-next 3/4] team: add binary option type

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Date:	Wed, 04 Apr 2012 17:45:47 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	jpirko@...hat.com
Cc:	netdev@...r.kernel.org, eric.dumazet@...il.com,
	bhutchings@...arflare.com, shemminger@...tta.com,
	raise.sail@...il.com, nuno.martins@...xamagica.pt, matt@...abs.org
Subject: Re: [patch net-next 3/4] team: add binary option type

From: Jiri Pirko <jpirko@...hat.com>
Date: Wed, 4 Apr 2012 14:29:31 +0200

> Wed, Apr 04, 2012 at 12:38:16AM CEST, davem@...emloft.net wrote:
>>From: Jiri Pirko <jpirko@...hat.com>
>>Date: Sat, 31 Mar 2012 23:01:21 +0200
>>
>>> For transfering generic binary data (e.g. BPF code), introduce new
>>> binary option type.
>>> 
>>> Signed-off-by: Jiri Pirko <jpirko@...hat.com>
>>
>>Several issues:
>>
>>> +		struct team_option_binary tbinary;
>>
>>You put this into a netlink attribute, it has a non-fixed
>>type size because it uses pointer.  A compat task will do
>>the wrong thing and you won't interpret it's attribute
>>correctly.
> 
> I'm not nla_putting struct team_option_binary tbinary. I'm putting only
> the data on what the pointer stored into that points (tbinary.data):
> 
> nla_put(skb, TEAM_ATTR_OPTION_DATA, tbinary.data_len, tbinary.data));

Aha, I misread, thanks for explaining.
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