linux-kernel - Re: [PATCH 1/2] dt-bindings: phy: Update SERDES_MAX to be SERDES

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Message-ID: <dab86dfb-d56b-b7c3-8e2a-6955803a2842@embeddedor.com>
Date:   Tue, 16 Oct 2018 10:44:52 +0200
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     Quentin Schulz <quentin.schulz@...tlin.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH 1/2] dt-bindings: phy: Update SERDES_MAX to be SERDES_MAX
 + 1

Hi,

On 10/9/18 9:27 AM, Quentin Schulz wrote:
> Hi Gustavo,
> 
> On Tue, Oct 09, 2018 at 12:21:36AM +0200, Gustavo A. R. Silva wrote:
>> SERDES_MAX is a valid value to index ctrl->phys in
>> drivers/phy/mscc/phy-ocelot-serdes.c. But, currently,
>> there is an out-of-bounds bug in the mentioned driver
>> when reading from ctrl->phys, because the size of
>> array ctrl->phys is SERDES_MAX.
>>
>> Partially fix this by updating SERDES_MAX to be SERDES6G_MAX + 1.
>>
>> Notice that this is the first part of the solution to
>> the out-of-bounds bug mentioned above. Although this
>> change is not dependent on any other one.
>>
> 
> Reviewed-by: Quentin Schulz <quentin.schulz@...tlin.com>
> 

Friendly ping. Who can you take this?

Thanks!
--
Gustavo