From: Patrick McHardy <kaber@trash.net>
Date: Tue, 26 May 2009 22:49:11 +0000 (-0700)
Subject: vlan/macvlan: fix NULL pointer dereferences in ethtool handlers
X-Git-Tag: v2.6.27.25~49
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=708f2c81c4de7b2660ca4703ba00e541f750b7e4;p=pandora-kernel.git

vlan/macvlan: fix NULL pointer dereferences in ethtool handlers

[ Upstream commit 7816a0a862d851d0b05710e7d94bfe390f3180e2 ]

Check whether the underlying device provides a set of ethtool ops before
checking for individual handlers to avoid NULL pointer dereferences.

Reported-by: Art van Breemen <ard@telegraafnet.nl>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

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