diff options
| author | Bob Moore <robert.moore@intel.com> | 2008-04-10 19:06:36 +0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2008-04-22 22:29:20 +0400 |
| commit | 773069d48030e670cf2032a13ddf16a2e0034df3 (patch) | |
| tree | 2f45fd7e90600d26c08c641c75059eb0b15d6dcd /drivers/acpi/parser | |
| parent | 4b119e21d0c66c22e8ca03df05d9de623d0eb50f (diff) | |
| download | linux-773069d48030e670cf2032a13ddf16a2e0034df3.tar.xz | |
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')
| -rw-r--r-- | drivers/acpi/parser/psloop.c | 11 | ||||
| -rw-r--r-- | drivers/acpi/parser/psparse.c | 15 |
2 files changed, 3 insertions, 23 deletions
diff --git a/drivers/acpi/parser/psloop.c b/drivers/acpi/parser/psloop.c index 773aee82fbb8..266dd0c10218 100644 --- a/drivers/acpi/parser/psloop.c +++ b/drivers/acpi/parser/psloop.c @@ -603,13 +603,6 @@ acpi_ps_complete_op(struct acpi_walk_state *walk_state, acpi_ps_pop_scope(&(walk_state->parser_state), op, &walk_state->arg_types, &walk_state->arg_count); - - if ((*op)->common.aml_opcode != AML_WHILE_OP) { - status2 = acpi_ds_result_stack_pop(walk_state); - if (ACPI_FAILURE(status2)) { - return_ACPI_STATUS(status2); - } - } } /* Close this iteration of the While loop */ @@ -640,10 +633,6 @@ acpi_ps_complete_op(struct acpi_walk_state *walk_state, if (ACPI_FAILURE(status2)) { return_ACPI_STATUS(status2); } - status2 = acpi_ds_result_stack_pop(walk_state); - if (ACPI_FAILURE(status2)) { - return_ACPI_STATUS(status2); - } acpi_ut_delete_generic_state (acpi_ut_pop_generic_state 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: |