ACPI: catch calls of acpi_driver_data on pointer of wrong type

Catch attempts to use of acpi_driver_data on pointers of wrong type.

akpm: rewritten to use proper C typechecking and remove the
"function"-used-as-lvalue thing.

Signed-off-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/misc/intel_menlow.c b/drivers/misc/intel_menlow.c
index 80a1363..cd3ea7f 100644
--- a/drivers/misc/intel_menlow.c
+++ b/drivers/misc/intel_menlow.c
@@ -175,7 +175,7 @@
 		goto end;
 	}
 
-	acpi_driver_data(device) = cdev;
+	device->driver_data = cdev;
 	result = sysfs_create_link(&device->dev.kobj,
 				&cdev->device.kobj, "thermal_cooling");
 	if (result)