From: Oliver Hartkopp <oliver@hartkopp.net>
Date: Tue, 2 Feb 2010 15:21:34 +0000 (-0800)
Subject: can: deny filterlist access on non-CAN interfaces
X-Git-Tag: v2.6.34-rc1~233^2~476
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8b64056dacf6ec81986d63dff96fca039fe95f6e;p=pandora-kernel.git

can: deny filterlist access on non-CAN interfaces

In commit 20dd3850bcf860561496827b711fa10fecf6e787 "can: Speed up CAN frame
receiption by using ml_priv" the formerly used hlist of receiver lists for
each CAN netdevice has been replaced.

The hlist content ensured only CAN netdevices to be accessed by the
can_rx_(un)register() functions which accidently dropped away together with
the hlist receiver implementation.

This patch re-introduces the check for CAN netdevices in can_rx_(un)register().

Signed-off-by: Oliver Hartkopp <oliver@hartkopp.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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