diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c index d064d8fb0a9a..b1cbe280d2a6 100644 --- a/drivers/platform/x86/wmi.c +++ b/drivers/platform/x86/wmi.c @@ -1215,6 +1215,11 @@ static int parse_wdg(struct device *wmi_bus_dev, struct acpi_device *device) if (debug_dump_wdg) wmi_dump_wdg(&gblock[i]); + if (!gblock[i].instance_count) { + dev_info(wmi_bus_dev, FW_INFO "%pUL has zero instances\n", &gblock[i].guid); + continue; + } + if (guid_already_parsed_for_legacy(device, &gblock[i].guid)) continue;