diff options
Diffstat (limited to 'drivers/acpi/dispatcher/dsmethod.c')
| -rw-r--r-- | drivers/acpi/dispatcher/dsmethod.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c index e348db0e541..21f05998627 100644 --- a/drivers/acpi/dispatcher/dsmethod.c +++ b/drivers/acpi/dispatcher/dsmethod.c @@ -231,7 +231,7 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread, struct acpi_namespace_node *method_node; struct acpi_walk_state *next_walk_state = NULL; union acpi_operand_object *obj_desc; - struct acpi_parameter_info info; + struct acpi_evaluate_info *info; u32 i; ACPI_FUNCTION_TRACE_PTR(ds_call_control_method, this_walk_state); @@ -319,12 +319,24 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread, */ this_walk_state->operands[this_walk_state->num_operands] = NULL; - info.parameters = &this_walk_state->operands[0]; - info.parameter_type = ACPI_PARAM_ARGS; + /* + * Allocate and initialize the evaluation information block + * TBD: this is somewhat inefficient, should change interface to + * ds_init_aml_walk. For now, keeps this struct off the CPU stack + */ + info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info)); + if (!info) { + return_ACPI_STATUS(AE_NO_MEMORY); + } + + info->parameters = &this_walk_state->operands[0]; + info->parameter_type = ACPI_PARAM_ARGS; status = acpi_ds_init_aml_walk(next_walk_state, NULL, method_node, obj_desc->method.aml_start, - obj_desc->method.aml_length, &info, 3); + obj_desc->method.aml_length, info, 3); + + ACPI_FREE(info); if (ACPI_FAILURE(status)) { goto cleanup; } |