1 files changed, 16 insertions, 4 deletions

diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c
index e348db0e541e..21f059986273 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;
         }