netdev - Re: [PATCH net-2.6/stable] tg3: Restrict phy ioctl access

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Message-Id: <20110217.141134.115921673.davem@davemloft.net>
Date:	Thu, 17 Feb 2011 14:11:34 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	mcarlson@...adcom.com
Cc:	netdev@...r.kernel.org, stable@...nel.org
Subject: Re: [PATCH net-2.6/stable] tg3: Restrict phy ioctl access

From: "Matt Carlson" <mcarlson@...adcom.com>
Date: Tue, 15 Feb 2011 14:51:10 -0800

> If management firmware is present and the device is down, the firmware
> will assume control of the phy.  If a phy access were allowed from the
> host, it will collide with firmware phy accesses, resulting in
> unpredictable behavior.  This patch fixes the problem by disallowing phy
> accesses during the problematic condition.
> 
> Signed-off-by: Matt Carlson <mcarlson@...adcom.com>
> Reviewed-by: Michael Chan <mchan@...adcom.com>
> Signed-off-by: David S. Miller <davem@...emloft.net>

Applied.
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