Am Mittwoch, den 15.07.2020, 20:40 +0200 schrieb Bjørn Mork: > > @@ -90,6 +90,7 @@ static void usbnet_cdc_update_filter(struct usbnet *dev) > USB_CTRL_SET_TIMEOUT > ); > } > +EXPORT_SYMBOL_GPL(usbnet_cdc_update_filter); Hi, this function is pretty primitive. In fact it more or less is a straight take from the spec. Can this justify the _GPL version? Regards Oliver