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authorBob Moore2012-12-31 01:05:09 +0100
committerRafael J. Wysocki2013-01-10 12:36:19 +0100
commit528a412c86e7a831d0fd157cac65749b45b64e06 (patch)
treef667eada3a528c512311a5edeb8252c7f542d720 /drivers/acpi/acpica/exconfig.c
parentACPICA: Resources: New interface, AcpiWalkResourceBuffer. (diff)
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ACPICA: Change exception code for LoadTable operator.
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>
Diffstat (limited to 'drivers/acpi/acpica/exconfig.c')
-rw-r--r--drivers/acpi/acpica/exconfig.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/acpi/acpica/exconfig.c b/drivers/acpi/acpica/exconfig.c
index d0cc2a40edfb..f214dbfc4047 100644
--- a/drivers/acpi/acpica/exconfig.c
+++ b/drivers/acpi/acpica/exconfig.c
@@ -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)