From: Sven Eckelmann <sven@narfation.org>
Date: Fri, 4 Mar 2011 21:36:41 +0000 (+0000)
Subject: batman-adv: Disallow regular interface as mesh device
X-Git-Tag: v2.6.39-rc1~468^2~151^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e44d8fe2b5c27ecc230f886d4cc49fcbd86f87a0;p=pandora-kernel.git

batman-adv: Disallow regular interface as mesh device

When trying to associate a net_device with another net_device which
already exists, batman-adv assumes that this interface is a fully
initialized batman mesh interface without checking it. The behaviour
when accessing data behind netdev_priv of a random net_device is
undefined and potentially dangerous.

Reported-by: Linus Lüssing <linus.luessing@ascom.ch>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
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