netdev - Re: [net-next PATCH] ixgbe: Fix a set_num_queues() bug that can result in num_(r|t)x

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Date:	Sat, 07 Feb 2009 02:17:09 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	jeffrey.t.kirsher@...el.com
Cc:	netdev@...r.kernel.org, jeff@...zik.org, gospo@...hat.com,
	peter.p.waskiewicz.jr@...el.com
Subject: Re: [net-next PATCH] ixgbe: Fix a set_num_queues() bug that can
 result in num_(r|t)x_queues = 0

From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Date: Sat, 07 Feb 2009 00:33:02 -0800

> Now that our set_num_queues() routines for each feature are re-entrant, and
> can be called at any point, they shouldn't zero out the feature's indices
> or mask bits.  Subsequent calls into those routines for those features can
> result in zero Rx and Tx queues being assigned, causing a panic later in
> driver reinitialization.
> 
> Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@...el.com>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>

Applied.
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