diff options
| -rw-r--r-- | drivers/acpi/acpica/nsrepair2.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/acpi/acpica/nsrepair2.c b/drivers/acpi/acpica/nsrepair2.c index 53b4b42a13f..c57cd4aa357 100644 --- a/drivers/acpi/acpica/nsrepair2.c +++ b/drivers/acpi/acpica/nsrepair2.c @@ -611,6 +611,7 @@ acpi_ns_repair_PRT(struct acpi_evaluate_info *info, union acpi_operand_object **top_object_list; union acpi_operand_object **sub_object_list; union acpi_operand_object *obj_desc; + union acpi_operand_object *sub_package; u32 element_count; u32 index; @@ -620,7 +621,12 @@ acpi_ns_repair_PRT(struct acpi_evaluate_info *info, element_count = package_object->package.count; for (index = 0; index < element_count; index++) { - sub_object_list = (*top_object_list)->package.elements; + sub_package = *top_object_list; + sub_object_list = sub_package->package.elements; + + if (sub_package->package.count < 4) { /* Minimum required element count */ + return (AE_OK); + } /* * If the BIOS has erroneously reversed the _PRT source_name (index 2) |