ACPI / PCI: replace open-coded _DSM code with helper functions

Use helper functions to simplify _DSM related code in pci-label driver.
Also enforce more strict checks on objects returned by _DSM method.

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Jiang Liu 2013-12-19 20:38:13 +08:00 • committed by Rafael J. Wysocki
commit 1d0fcef732