commit 29a241cc02110b8b2259fd72719b8cadc03909be
author Bob Moore <robert.moore@intel.com> Thu May 30 10:00:01 2013 +0800
committer Rafael J. Wysocki <rafael.j.wysocki@intel.com> Sat Jun 01 21:54:30 2013 +0200
tree a96c10dd22a35479dc2e1ef140f7d90a442f9c03
parent e1405ca5ebf1068a0d62afd2fec8f0354038147a

ACPICA: Add argument typechecking for all predefined ACPI names

Fully implements typechecking on all incoming arguments for all
predefined names. This ensures that ACPI-related drivers are
passing the correct number of arguments, each of the correct
object type.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Acked-by: Len Brown <len.brown@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

drivers/acpi/acpica/acpredef.h

diff --git a/drivers/acpi/acpica/acpredef.h b/drivers/acpi/acpica/acpredef.h
index b22b709..f600aded 100644
--- a/drivers/acpi/acpica/acpredef.h
+++ b/drivers/acpi/acpica/acpredef.h
@@ -128,8 +128,8 @@
 #define ARG_COUNT_IS_MINIMUM            0x8000
 #define METHOD_MAX_ARG_TYPE             ACPI_TYPE_PACKAGE
 
-#define METHOD_GET_COUNT(arg_list)      (arg_list & METHOD_ARG_MASK)
-#define METHOD_GET_NEXT_ARG(arg_list)   (arg_list >> METHOD_ARG_BIT_WIDTH)
+#define METHOD_GET_ARG_COUNT(arg_list)  ((arg_list) & METHOD_ARG_MASK)
+#define METHOD_GET_NEXT_TYPE(arg_list)  (((arg_list) >>= METHOD_ARG_BIT_WIDTH) & METHOD_ARG_MASK)
 
 /* Macros used to build the predefined info table */