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authorBob Moore <robert.moore@intel.com>2008-04-10 17:06:36 +0200
committerLen Brown <len.brown@intel.com>2008-04-22 20:29:20 +0200
commit773069d48030e670cf2032a13ddf16a2e0034df3 (patch)
tree2f45fd7e90600d26c08c641c75059eb0b15d6dcd /drivers/acpi/parser/psparse.c
parentLinux 2.6.25 (diff)
downloadlinux-773069d48030e670cf2032a13ddf16a2e0034df3.tar.xz
linux-773069d48030e670cf2032a13ddf16a2e0034df3.zip
ACPICA: Several fixes for internal method result stack
fixes STACK_OVERFLOW exception on nested method calls. internal bugzilla 262 and 275. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/parser/psparse.c')
-rw-r--r--drivers/acpi/parser/psparse.c15
1 files changed, 3 insertions, 12 deletions
diff --git a/drivers/acpi/parser/psparse.c b/drivers/acpi/parser/psparse.c
index 5d63f48e56b5..ce3139a74f95 100644
--- a/drivers/acpi/parser/psparse.c
+++ b/drivers/acpi/parser/psparse.c
@@ -349,19 +349,13 @@ acpi_ps_next_parse_state(struct acpi_walk_state *walk_state,
parser_state->aml = walk_state->aml_last_while;
walk_state->control_state->common.value = FALSE;
- status = acpi_ds_result_stack_pop(walk_state);
- if (ACPI_SUCCESS(status)) {
- status = AE_CTRL_BREAK;
- }
+ status = AE_CTRL_BREAK;
break;
case AE_CTRL_CONTINUE:
parser_state->aml = walk_state->aml_last_while;
- status = acpi_ds_result_stack_pop(walk_state);
- if (ACPI_SUCCESS(status)) {
- status = AE_CTRL_CONTINUE;
- }
+ status = AE_CTRL_CONTINUE;
break;
case AE_CTRL_PENDING:
@@ -383,10 +377,7 @@ acpi_ps_next_parse_state(struct acpi_walk_state *walk_state,
* Just close out this package
*/
parser_state->aml = acpi_ps_get_next_package_end(parser_state);
- status = acpi_ds_result_stack_pop(walk_state);
- if (ACPI_SUCCESS(status)) {
- status = AE_CTRL_PENDING;
- }
+ status = AE_CTRL_PENDING;
break;
case AE_CTRL_FALSE: