Re: [PATCH] ACPI / scan: Clear match_driver flag in acpi_bus_trim()

From: Toshi Kani
Date: Tue Jan 28 2014 - 17:06:01 EST


On Mon, 2014-01-27 at 01:16 +0100, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
>
> Drivers should not bind to struct acpi_device objects that
> acpi_bus_trim() has been called for, so make that function
> clear flags.match_driver for those objects.
>
> If that is not done, an ACPI driver may theoretically try to operate
> a device that is not physically present.
>
> Fixes: 202317a573b2 (ACPI / scan: Add acpi_device objects for all device nodes in the namespace)
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>

Acked-by: Toshi Kani <toshi.kani@xxxxxx>

Thanks,
-Toshi



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