D49129.id151455.diff
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D49129.id151455.diff
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	diff --git a/sys/dev/acpi_support/acpi_wmi.c b/sys/dev/acpi_support/acpi_wmi.c
	--- a/sys/dev/acpi_support/acpi_wmi.c
	+++ b/sys/dev/acpi_support/acpi_wmi.c
	@@ -580,6 +580,15 @@
	}
	wq_method[2] = winfo->ginfo.oid[0];
	wq_method[3] = winfo->ginfo.oid[1];
	+ {
	+ ACPI_HANDLE wq_handle;
	+ ACPI_OBJECT_TYPE at;
	+ if (ACPI_SUCCESS(AcpiGetHandle(sc->wmi_handle, wq_method, &wq_handle)) &&
	+ ACPI_SUCCESS(AcpiGetType(wq_handle, &at)) &&
	+ at != ACPI_TYPE_METHOD) {
	+ wq_input.Count = 0;
	+ }
	+ }
	status = AcpiEvaluateObject(sc->wmi_handle, wq_method,
	&wq_input, out);
	if ((winfo->ginfo.flags & ACPI_WMI_REGFLAG_EXPENSIVE)