linux-kernel - Re: [PATCH v2 0/1] drivers: net: cpsw: Fix NULL pointer dereference with two slave PHYs

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Date:	Tue, 19 Apr 2016 20:15:50 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	andrew.goodbody@...brionix.com
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/1] drivers: net: cpsw: Fix NULL pointer
 dereference with two slave PHYs

From: Andrew Goodbody <andrew.goodbody@...brionix.com>
Date: Mon, 18 Apr 2016 14:53:25 +0100

> This is a fix for a NULL pointer dereference from cpsw which is triggered
> by having two slave PHYs attached to a cpsw network device. The problem is
> due to only maintaining a single reference to a PHY node in the prive data
> which gets overwritten by the second PHY probe. So move the PHY node
> reference to the individual slave data so that there is now one per slave.
> 
> v1 had a problem that data->slaves was used before it had been filled in

I already applied v1 the other day, so you need to send me a relative
patch rather than a whole new one.

Thanks.