diff --git a/drivers/acpi/x86/s2idle.c b/drivers/acpi/x86/s2idle.c index ec84da6cc1bf..5510657d4be8 100644 --- a/drivers/acpi/x86/s2idle.c +++ b/drivers/acpi/x86/s2idle.c @@ -112,6 +112,12 @@ static void lpi_device_get_constraints_amd(void) union acpi_object *package = &out_obj->package.elements[i]; if (package->type == ACPI_TYPE_PACKAGE) { + if (lpi_constraints_table) { + acpi_handle_err(lps0_device_handle, + "Duplicate constraints list\n"); + goto free_acpi_buffer; + } + lpi_constraints_table = kcalloc(package->package.count, sizeof(*lpi_constraints_table), GFP_KERNEL);