diff options
| -rw-r--r-- | drivers/platform/x86/asus-wmi.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c index 2865af89e95c..3f07bbf809ef 100644 --- a/drivers/platform/x86/asus-wmi.c +++ b/drivers/platform/x86/asus-wmi.c @@ -481,7 +481,17 @@ static int asus_wmi_evaluate_method_agfn(const struct acpi_buffer args) static int asus_wmi_get_devstate(struct asus_wmi *asus, u32 dev_id, u32 *retval) { - return asus_wmi_evaluate_method(asus->dsts_id, dev_id, 0, retval); + int err; + + err = asus_wmi_evaluate_method(asus->dsts_id, dev_id, 0, retval); + + if (err) + return err; + + if (*retval == ~0) + return -ENODEV; + + return 0; } static int asus_wmi_set_devstate(u32 dev_id, u32 ctrl_param, |