From 773069d48030e670cf2032a13ddf16a2e0034df3 Mon Sep 17 00:00:00 2001 From: Bob Moore Date: Thu, 10 Apr 2008 19:06:36 +0400 Subject: 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 Signed-off-by: Alexey Starikovskiy Signed-off-by: Len Brown --- drivers/acpi/dispatcher/dsopcode.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) (limited to 'drivers/acpi/dispatcher/dsopcode.c') diff --git a/drivers/acpi/dispatcher/dsopcode.c b/drivers/acpi/dispatcher/dsopcode.c index f501e083aac7..0c4630dc09f3 100644 --- a/drivers/acpi/dispatcher/dsopcode.c +++ b/drivers/acpi/dispatcher/dsopcode.c @@ -808,6 +808,12 @@ acpi_ds_eval_data_object_operands(struct acpi_walk_state *walk_state, /* The first operand (for all of these data objects) is the length */ + /* + * Set proper index into operand stack for acpi_ds_obj_stack_push + * invoked inside acpi_ds_create_operand. + */ + walk_state->operand_index = walk_state->num_operands; + status = acpi_ds_create_operand(walk_state, op->common.value.arg, 1); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); @@ -1070,8 +1076,7 @@ acpi_ds_exec_end_control_op(struct acpi_walk_state * walk_state, * is set to anything other than zero! */ walk_state->return_desc = walk_state->operands[0]; - } else if ((walk_state->results) && - (walk_state->results->results.num_results > 0)) { + } else if (walk_state->result_count) { /* Since we have a real Return(), delete any implicit return */ -- cgit v1.2.3