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ACPICA: Change exception code for LoadTable operator.

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For the case where one of the input strings is too long,
change the returned exception code from AE_BAD_PARAMETER to
AE_AML_STRING_LIMIT.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Bob Moore 2012-12-31 00:05:09 +00:00 committed by Rafael J. Wysocki
parent afb1bbee80
commit 528a412c86
1 changed files with 4 additions and 3 deletions
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7
drivers/acpi/acpica/exconfig.c
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@ -48,6 +48,7 @@
#include "actables.h"
#include "acdispat.h"
#include "acevents.h"
#include "amlcode.h"
#define _COMPONENT ACPI_EXECUTER
ACPI_MODULE_NAME("exconfig")
@ -166,7 +167,7 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
if ((operand[0]->string.length > ACPI_NAME_SIZE) ||
(operand[1]->string.length > ACPI_OEM_ID_SIZE) ||
(operand[2]->string.length > ACPI_OEM_TABLE_ID_SIZE)) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
return_ACPI_STATUS(AE_AML_STRING_LIMIT);
}
/* Find the ACPI table in the RSDT/XSDT */
@ -213,8 +214,8 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
/* parameter_path (optional parameter) */
if (operand[4]->string.length > 0) {
if ((operand[4]->string.pointer[0] != '\\') &&
(operand[4]->string.pointer[0] != '^')) {
if ((operand[4]->string.pointer[0] != AML_ROOT_PREFIX) &&
(operand[4]->string.pointer[0] != AML_PARENT_PREFIX)) {
/*
* Path is not absolute, so it will be relative to the node
* referenced by the root_path_string (or the NS root if omitted)