linux-kernel - Re: [RFC PATCH v1] platform/x86: wmi: Do not register driver with invalid GUID

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Message-ID: <ZLUOxnE58wUgZXWx@smile.fi.intel.com>
Date:   Mon, 17 Jul 2023 12:49:58 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Barnabás Pőcze <pobrn@...tonmail.com>
Cc:     linux-kernel@...r.kernel.org, platform-driver-x86@...r.kernel.org,
        Mark Gross <markgross@...nel.org>,
        Hans de Goede <hdegoede@...hat.com>,
        Armin Wolf <W_Armin@....de>
Subject: Re: [RFC PATCH v1] platform/x86: wmi: Do not register driver with
 invalid GUID

On Sat, Jul 15, 2023 at 09:24:16PM +0000, Barnabás Pőcze wrote:
> Since a WMI driver's ID table contains strings it is relatively
> easy to make mistakes. At the moment, there is no feedback
> if any of the specified GUIDs are invalid (since
> 028e6e204ace1f080cfeacd72c50397eb8ae8883).
> 
> So check if the GUIDs in the driver's ID table are valid,
> print all invalid ones, and refuse to register the driver
> if any of the GUIDs are invalid.

Besides using wrong API (uuid_*() vs. guid_*() one), I don't
think we need to validate it here. Why not in file2alias.c?

-- 
With Best Regards,
Andy Shevchenko