On 12.05.26 18:25, Rafael J. Wysocki wrote:
> From: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
> 
> 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
> Xen variant of the ACPI processor aggregator device (PAD) driver.
> 
> Fixes: 112b2f978afe ("ACPI: PAD: xen: Convert to a platform driver")
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

Acked-by: Juergen Gross <jgross@suse.com>


Juergen