Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Date:   Mon, 13 May 2019 16:01:33 +0300
From:   Serge Semin <fancer.lancer@gmail.com>
To:     Andrew Lunn <andrew@lunn.ch>
Cc:     g@lunn.ch, Vicente Bergas <vicencb@gmail.com>,
        Heiner Kallweit <hkallweit1@gmail.com>,
        Russell King <rmk+kernel@armlinux.org.uk>,
        Florian Fainelli <f.fainelli@gmail.com>,
        netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: net: phy: realtek: regression, kernel null pointer dereference
Message-ID: <20190513130131.jiommbisqvydmzgw@mobilestation>
References: <16f75ff4-e3e3-4d96-b084-e772e3ce1c2b@gmail.com>
 <742a2235-4571-aa7d-af90-14c708205c6f@gmail.com>
 <11446b0b-c8a4-4e5f-bfa0-0892b500f467@gmail.com>
 <61831f43-3b24-47d9-ec6f-15be6a4568c5@gmail.com>
 <0f16b2c5-ef2a-42a1-acdc-08fa9971b347@gmail.com>
 <20190513102941.4ocb3tz3wmh3pj4t@mobilestation>
 <20190513105104.af7d7n337lxqac63@mobilestation>
 <cf1e81d9-6f91-41fe-a390-b9688e5707f7@gmail.com>
 <20190513124225.odm3shcfo3tsq6xk@mobilestation>
 <20190513125103.GC28969@lunn.ch>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20190513125103.GC28969@lunn.ch>
User-Agent: NeoMutt/20180716
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Mon, May 13, 2019 at 02:51:03PM +0200, Andrew Lunn wrote:
> > Ahh, I see. Then using lock-less version of the access methods must fix the
> > problem. You could try something like this:
> 
> Kunihiko Hayash is way ahead of you.
> 
> 	 Andrew

I wouldn't say that five hours is "way ahead". But if something fixes a bug in
a patch it would be good to be have the original author being Cc'ed.

Vincente, here is a link to the patch, that fixes the problem.
https://lkml.org/lkml/2019/5/13/43

-Segey