From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Thu, 2 Oct 2014 09:13:21 +0000 (+0200)
Subject: netfilter: explicit module dependency between br_netfilter and physdev
X-Git-Tag: fixes-against-v3.18-rc2~144^2~40^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4b7fd5d97ee6e599247b4a55122ca6ba80c8148d;p=pandora-kernel.git

netfilter: explicit module dependency between br_netfilter and physdev

You can use physdev to match the physical interface enslaved to the
bridge device. This information is stored in skb->nf_bridge and it is
set up by br_netfilter. So, this is only available when iptables is
used from the bridge netfilter path.

Since 34666d4 ("netfilter: bridge: move br_netfilter out of the core"),
the br_netfilter code is modular. To reduce the impact of this change,
we can autoload the br_netfilter if the physdev match is used since
we assume that the users need br_netfilter in place.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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