linux-kernel - Re: [PATCH] net: macb: NULL out phydev after removing mdio bus

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Date:   Fri, 07 Oct 2016 23:57:18 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     xander.huff@...com
Cc:     nicolas.ferre@...el.com, netdev@...r.kernel.org,
        nathan.sullivan@...com, linux-kernel@...r.kernel.org,
        brad.mouring@...com
Subject: Re: [PATCH] net: macb: NULL out phydev after removing mdio bus

From: Xander Huff <xander.huff@...com>
Date: Fri, 7 Oct 2016 10:13:22 -0500

> From: Nathan Sullivan <nathan.sullivan@...com>
> 
> To ensure the dev->phydev pointer is not used after becoming invalid in
> mdiobus_unregister, set it to NULL. This happens when removing the macb
> driver without first taking its interface down, since unregister_netdev
> will end up calling macb_close.
> 
> Signed-off-by: Xander Huff <xander.huff@...com>
> Signed-off-by: Nathan Sullivan <nathan.sullivan@...com>
> Signed-off-by: Brad Mouring <brad.mouring@...com>

Applied.