diff options
Diffstat (limited to 'drivers/platform/x86/wmi.c')
| -rw-r--r-- | drivers/platform/x86/wmi.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c index 5682c7de0394..af273623bc5b 100644 --- a/drivers/platform/x86/wmi.c +++ b/drivers/platform/x86/wmi.c @@ -958,6 +958,15 @@ static int wmi_create_device(struct device *wmi_bus_dev, } if (wblock->gblock.flags & ACPI_WMI_METHOD) { + get_acpi_method_name(wblock, 'M', method); + if (!acpi_has_method(device->handle, method)) { + dev_warn(wmi_bus_dev, + FW_BUG "%s method block execution control method not found\n", + method); + + return -ENXIO; + } + wblock->dev.dev.type = &wmi_type_method; goto out_init; } |