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authorBob Moore <robert.moore@intel.com>2008-06-10 12:25:42 +0800
committerAndi Kleen <andi@basil.nowhere.org>2008-07-16 23:27:03 +0200
commitf3454ae8104efb2dbf0d08ec42c6f5d0fe9225bc (patch)
tree61c85b910e1d56eb5245f1a9d81aead8206b7f87 /include/acpi
parentc735ab7da3414c3e639d5c5223092b74689e5d87 (diff)
ACPICA: Add argument count checking to control method invocation via acpi_evaluate_object
Error if too few arguments, warning if too many. This applies only to external programmatic control method execution, not method-to-method calls within the AML. Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Len Brown <len.brown@intel.com> Signed-off-by: Andi Kleen <ak@linux.intel.com>
Diffstat (limited to 'include/acpi')
-rw-r--r--include/acpi/acexcep.h6
-rw-r--r--include/acpi/acstruct.h1
2 files changed, 5 insertions, 2 deletions
diff --git a/include/acpi/acexcep.h b/include/acpi/acexcep.h
index 1f591171bf31..ea627ed2420d 100644
--- a/include/acpi/acexcep.h
+++ b/include/acpi/acexcep.h
@@ -108,8 +108,9 @@
#define AE_BAD_HEX_CONSTANT (acpi_status) (0x0007 | AE_CODE_PROGRAMMER)
#define AE_BAD_OCTAL_CONSTANT (acpi_status) (0x0008 | AE_CODE_PROGRAMMER)
#define AE_BAD_DECIMAL_CONSTANT (acpi_status) (0x0009 | AE_CODE_PROGRAMMER)
+#define AE_MISSING_ARGUMENTS (acpi_status) (0x000A | AE_CODE_PROGRAMMER)
-#define AE_CODE_PGM_MAX 0x0009
+#define AE_CODE_PGM_MAX 0x000A
/*
* Acpi table exceptions
@@ -233,7 +234,8 @@ char const *acpi_gbl_exception_names_pgm[] = {
"AE_ALIGNMENT",
"AE_BAD_HEX_CONSTANT",
"AE_BAD_OCTAL_CONSTANT",
- "AE_BAD_DECIMAL_CONSTANT"
+ "AE_BAD_DECIMAL_CONSTANT",
+ "AE_MISSING_ARGUMENTS"
};
char const *acpi_gbl_exception_names_tbl[] = {
diff --git a/include/acpi/acstruct.h b/include/acpi/acstruct.h
index a907c67d651e..1cc74504f1c4 100644
--- a/include/acpi/acstruct.h
+++ b/include/acpi/acstruct.h
@@ -189,6 +189,7 @@ struct acpi_evaluate_info {
union acpi_operand_object **parameters;
struct acpi_namespace_node *resolved_node;
union acpi_operand_object *return_object;
+ u8 param_count;
u8 pass_number;
u8 parameter_type;
u8 return_object_type;