From: David S. Miller <davem@davemloft.net>
Date: Tue, 8 Oct 2013 19:44:26 +0000 (-0400)
Subject: l2tp: Fix build warning with ipv6 disabled.
X-Git-Tag: v3.12-rc7~20^2~58
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8d8a51e26a6d415e1470759f2cf5f3ee3ee86196;p=pandora-kernel.git

l2tp: Fix build warning with ipv6 disabled.

net/l2tp/l2tp_core.c: In function ‘l2tp_verify_udp_checksum’:
net/l2tp/l2tp_core.c:499:22: warning: unused variable ‘tunnel’ [-Wunused-variable]

Create a helper "l2tp_tunnel()" to facilitate this, and as a side
effect get rid of a bunch of unnecessary void pointer casts.

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