linux-kernel - Re: [PATCH v7 2/8] i2c: muxes: add support for tsd,mule-i2c multiplexer

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <4e4d7c65-3c3f-5208-ce08-b63ad39ab425@axentia.se>
Date: Wed, 4 Sep 2024 10:59:47 +0200
From: Peter Rosin <peda@...ntia.se>
To: Farouk Bouabid <farouk.bouabid@...rry.de>,
 Andi Shyti <andi.shyti@...nel.org>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Quentin Schulz
 <quentin.schulz@...rry.de>, Jean Delvare <jdelvare@...e.com>,
 Guenter Roeck <linux@...ck-us.net>, Heiko Stuebner <heiko@...ech.de>,
 linux-i2c@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-hwmon@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org,
 Wolfram Sang <wsa+renesas@...g-engineering.com>
Subject: Re: [PATCH v7 2/8] i2c: muxes: add support for tsd,mule-i2c
 multiplexer

Hi!

2024-09-04 at 10:35, Farouk Bouabid wrote:
> Hi Andi,
> 
> On 03.09.24 17:13, Andi Shyti wrote:
> 
> [...]
> 
>>> +        ret = i2c_mux_add_adapter(muxc, 0, reg);
>>> +        if (ret)
>>> +            return ret;
>> do we need to delete the adapters we added in previous cycles?
>>
> 
> We calldevm_action_or_reset() before the loop to add adapter-removal to the error path. I think that does the job
> 
> for us or am I missing something ?

I missed that too, but it LGTM. It's safe to call i2c_mux_del_adapters() as
soon the mux core has been allocated, so there is no risk it is called too
early or something. With that said, I agree with Andi on the naming and the
nitpicks.

Cheers,
Peter