From: David S. Miller <davem@sunset.davemloft.net>
Date: Fri, 26 Jan 2007 03:30:36 +0000 (-0800)
Subject: [AF_PACKET]: Check device down state before hard header callbacks.
X-Git-Tag: v2.6.20-rc7~56^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d5e76b0a280f71b20bdd20d1c1b4d6812ceb8c3a;p=pandora-kernel.git

[AF_PACKET]: Check device down state before hard header callbacks.

If the device is down, invoking the device hard header callbacks
is not legal, so check it early.

Based upon a shaper OOPS report from Frederik Deweerdt.

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