netdev - Re: [RFC] net,socket: introduce build_sockaddr_check helper to catch overflow at build time

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Date:	Thu, 29 Oct 2009 03:00:19 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	gorcunov@...il.com
Cc:	netdev@...r.kernel.org
Subject: Re: [RFC] net,socket: introduce build_sockaddr_check helper to
 catch overflow at build time

From: Cyrill Gorcunov <gorcunov@...il.com>
Date: Sat, 24 Oct 2009 20:32:26 +0400

> net,socket: introduce DECLARE_SOCKADDR helper to catch overflow at build time
> 
> proto_ops->getname implies copying protocol specific data
> into storage unit (particulary to __kernel_sockaddr_storage).
> So when we implement new protocol support we should keep such
> a detail in mind (which is easy to forget about).
> 
> Lets introduce DECLARE_SOCKADDR helper which check if
> storage unit is not overfowed at build time.
> 
> Eventually inet_getname is switched to use DECLARE_SOCKADDR
> (to show example of usage).
> 
> Signed-off-by: Cyrill Gorcunov <gorcunov@...nvz.org>

I like this, applied to net-next-2.6, thanks!
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