From: Cyrill Gorcunov <gorcunov@openvz.org>
Date: Thu, 29 Oct 2009 09:59:18 +0000 (-0700)
Subject: net,socket: introduce DECLARE_SOCKADDR helper to catch overflow at build time
X-Git-Tag: v2.6.33-rc1~388^2~598
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=38bfd8f5bec496e8e0db8849e01c99a33479418a;p=pandora-kernel.git

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@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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