From: Greg Rose <gregory.v.rose@intel.com>
Date: Fri, 3 Jun 2011 03:53:24 +0000 (+0000)
Subject: ixgbevf: Check if EOP has changed before using it
X-Git-Tag: v3.2-rc1~129^2~375
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=98b9e48fca11c8aa54b25c02d3329392b52db8ab;p=pandora-kernel.git

ixgbevf: Check if EOP has changed before using it

There is a chance that between the time EOP is read and the time it is
used another transmit on a different CPU could have run and completed,
thus leaving EOP in a bad state.

Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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