linux-kernel - [stable] ixgbe: Fix return of invalid txq

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Message-ID: <alpine.WNT.2.00.1005031333200.4376@jbrandeb-desk1.amr.corp.intel.com>
Date:	Mon, 3 May 2010 13:56:57 -0700 (Pacific Daylight Time)
From:	"Brandeburg, Jesse" <jesse.brandeburg@...el.com>
To:	stable@...nel.org
cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	brandon@...p.org, jesse.brandeburg@...el.com
Subject: [stable] ixgbe: Fix return of invalid txq

Please consider commit fdd3d631cddad20ad9d3e1eb7dbf26825a8a121f for 
inclusion in 2.6.32.y (it is already in 2.6.33.y)

Here is the commit message, it fixes a panic on machines with a larger 
number of cpus than ixgbe has tx queues (64).

commit fdd3d631cddad20ad9d3e1eb7dbf26825a8a121f
Author: Krishna Kumar <krkumar2@...ibm.com>
Date:   Wed Feb 3 13:13:10 2010 +0000

    ixgbe: Fix return of invalid txq

    a developer had complained of getting lots of warnings:

    "eth16 selects TX queue 98, but real number of TX queues is 64"
    
	http://www.mail-archive.com/e1000-devel@lists.sourceforge.net/msg02200.html

    As there was no follow up on that bug, I am submitting this
    patch assuming that the other return points will not return
    invalid txq's, and also that this fixes the bug (not tested).

    Signed-off-by: Krishna Kumar <krkumar2@...ibm.com>
    Signed-off-by: Jesse Brandeburg <jesse.brandeburg@...el.com>
    Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@...el.com>
    Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
    Signed-off-by: David S. Miller <davem@...emloft.net>

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