int rndis_filter_close(struct hv_device *dev);
int rndis_filte_device_add(struct hv_device *dev,
void *additional_info);
-int rndis_filter_device_remove(struct hv_device *dev);
+void rndis_filter_device_remove(struct hv_device *dev);
int rndis_filter_receive(struct hv_device *dev,
struct hv_netvsc_packet *pkt);