67 	BUG_ON(!hdlc->proto->netif_rx);  in hdlc_rcv()
68 	return hdlc->proto->netif_rx(skb);  in hdlc_rcv()
75 	if (hdlc->proto->xmit)  in hdlc_start_xmit()
76 		return hdlc->proto->xmit(skb, dev);  in hdlc_start_xmit()
84 	if (hdlc->proto->start)  in hdlc_proto_start()
85 		hdlc->proto->start(dev);  in hdlc_proto_start()
93 	if (hdlc->proto->stop)  in hdlc_proto_stop()
94 		hdlc->proto->stop(dev);  in hdlc_proto_stop()
158 	if (hdlc->proto == NULL)  in hdlc_open()
161 	if (hdlc->proto->open) {  in hdlc_open()
162 		int result = hdlc->proto->open(dev);  in hdlc_open()
200 	if (hdlc->proto->close)  in hdlc_close()
201 		hdlc->proto->close(dev);  in hdlc_close()
208 	struct hdlc_proto *proto = first_proto;  in hdlc_ioctl()  local
214 	if (dev_to_hdlc(dev)->proto) {  in hdlc_ioctl()
215 		result = dev_to_hdlc(dev)->proto->ioctl(dev, ifr);  in hdlc_ioctl()
222 	while (proto) {  in hdlc_ioctl()
223 		if ((result = proto->ioctl(dev, ifr)) != -EINVAL)  in hdlc_ioctl()
225 		proto = proto->next;  in hdlc_ioctl()
276 int attach_hdlc_protocol(struct net_device *dev, struct hdlc_proto *proto,  in attach_hdlc_protocol()  argument
281 	if (!try_module_get(proto->module))  in attach_hdlc_protocol()
287 			module_put(proto->module);  in attach_hdlc_protocol()
291 	dev_to_hdlc(dev)->proto = proto;  in attach_hdlc_protocol()
300 	if (hdlc->proto) {  in detach_hdlc_protocol()
301 		if (hdlc->proto->detach)  in detach_hdlc_protocol()
302 			hdlc->proto->detach(dev);  in detach_hdlc_protocol()
303 		module_put(hdlc->proto->module);  in detach_hdlc_protocol()
304 		hdlc->proto = NULL;  in detach_hdlc_protocol()
312 void register_hdlc_protocol(struct hdlc_proto *proto)  in register_hdlc_protocol()  argument
315 	proto->next = first_proto;  in register_hdlc_protocol()
316 	first_proto = proto;  in register_hdlc_protocol()
321 void unregister_hdlc_protocol(struct hdlc_proto *proto)  in unregister_hdlc_protocol()  argument
327 	while (*p != proto) {  in unregister_hdlc_protocol()
331 	*p = proto->next;  in unregister_hdlc_protocol()