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Date: Sat, 16 May 2026 13:12:06 +0100
From: Jonathan Cameron <jic23@kernel.org>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>, linux-iio@vger.kernel.org, LKML
 <linux-kernel@vger.kernel.org>, Linux ACPI <linux-acpi@vger.kernel.org>
Subject: Re: [PATCH v1] iio: light: acpi-als: Check ACPI_COMPANION() against
 NULL
Message-ID: <20260516131206.2fec17b9@jic23-huawei>
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On Tue, 12 May 2026 19:47:48 +0300
Andy Shevchenko <andriy.shevchenko@linux.intel.com> wrote:

> On Tue, May 12, 2026 at 06:28:26PM +0200, Rafael J. Wysocki wrote:
> 
> > Every platform driver can be forced to match a device that doesn't match
> > its list of device IDs because of device_match_driver_override(), so
> > platform drivers that rely on the existence of a device's ACPI companion
> > object need to verify its presence.
> > 
> > Accordingly, add a requisite ACPI_COMPANION() check against NULL to the
> > acpi-als IIO driver.  
> 
> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> 

Applied thanks.

Jonathan