platform/x86: dell-ddv: Replace EIO with ENOMSG

When the ACPI WMI interface returns a valid ACPI object
which has the wrong type, then ENOMSG instead of EIO
should be returned, since the WMI method was still
successfully evaluated.

Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20230126194021.381092-4-W_Armin@gmx.de
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>

diff --git a/drivers/platform/x86/dell/dell-wmi-ddv.c b/drivers/platform/x86/dell/dell-wmi-ddv.c
index f99c4cb..58fadb7 100644 (file)
--- a/drivers/platform/x86/dell/dell-wmi-ddv.c
+++ b/drivers/platform/x86/dell/dell-wmi-ddv.c
@@ -87,7 +87,7 @@ static int dell_wmi_ddv_query_type(struct wmi_device *wdev, enum dell_ddv_method
 
        if (obj->type != type) {
                kfree(obj);
-               return -EIO;
+               return -ENOMSG;
        }
 
        *result = obj;