linux-kernel - Re: [PATCH v2] platform/x86: alienware-wmi-wmax: Fix null pointer derefence in sleep handlers

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Message-Id: <DDHY8FVSX42E.1SG926NXKG2FL@gmail.com>
Date: Tue, 14 Oct 2025 04:48:28 -0500
From: "Kurt Borja" <kuurtb@...il.com>
To: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>, "Hans de
 Goede" <hansg@...nel.org>, "Armin Wolf" <W_Armin@....de>, "Kurt Borja"
 <kuurtb@...il.com>
Cc: <platform-driver-x86@...r.kernel.org>, <Dell.Client.Kernel@...l.com>,
 <linux-kernel@...r.kernel.org>, <stable@...r.kernel.org>, "Gal Hammer"
 <galhammer@...il.com>
Subject: Re: [PATCH v2] platform/x86: alienware-wmi-wmax: Fix null pointer
 derefence in sleep handlers

On Mon Oct 13, 2025 at 10:10 AM -05, Ilpo Järvinen wrote:
> On Mon, 13 Oct 2025 00:26:26 -0500, Kurt Borja wrote:
>
>> Initialize `awcc` with empty quirks to avoid a null pointer dereference
>> in sleep handlers for devices without the AWCC interface.
>> 
>> This also allows some code simplification in alienware_wmax_wmi_init().
>> 
>> 
>
>
> Thank you for your contribution, it has been applied to my local
> review-ilpo-fixes branch. Note it will show up in the public
> platform-drivers-x86/review-ilpo-fixes branch only once I've pushed my
> local branch there, which might take a while.
>
> The list of commits applied:
> [1/1] platform/x86: alienware-wmi-wmax: Fix null pointer derefence in sleep handlers
>       commit: 5ae9382ac3c56d044ed065d0ba6d8c42139a8f98
>
> --
>  i.

Hi Ilpo,

Gal has just noticed this approach prevents the old driver interface
from loading, which is a huge regression.

Do you prefer to drop this commit or should I submit a revert?

Thank you for your patience!


-- 
 ~ Kurt