From: Patrick McHardy <kaber@trash.net>
Date: Fri, 17 Apr 2009 22:59:23 +0000 (-0700)
Subject: vlan/macvlan: fix NULL pointer dereferences in ethtool handlers
X-Git-Tag: v2.6.30-rc4~68^2~39
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7816a0a862d851d0b05710e7d94bfe390f3180e2;p=pandora-kernel.git

vlan/macvlan: fix NULL pointer dereferences in ethtool handlers

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>
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