diff options
Diffstat (limited to 'drivers/acpi/acpica')
| -rw-r--r-- | drivers/acpi/acpica/nsprepkg.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/acpi/acpica/nsprepkg.c b/drivers/acpi/acpica/nsprepkg.c index a40155467d2e..77cdd539de16 100644 --- a/drivers/acpi/acpica/nsprepkg.c +++ b/drivers/acpi/acpica/nsprepkg.c @@ -112,9 +112,15 @@ acpi_ns_check_package(struct acpi_predefined_data *data, elements = return_object->package.elements; count = return_object->package.count; - /* The package must have at least one element, else invalid */ - + /* + * Most packages must have at least one element. The only exception + * is the variable-length package (ACPI_PTYPE1_VAR). + */ if (!count) { + if (package->ret_info.type == ACPI_PTYPE1_VAR) { + return (AE_OK); + } + ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, data->node_flags, "Return Package has no elements (empty)")); |