gadget/function/f_rndis.c

824 	struct f_rndis_opts *opts;
826 	opts = container_of(f, struct f_rndis_opts, func_inst);
827 	if (opts->bound)
828 		gether_cleanup(netdev_priv(opts->net));
830 		free_netdev(opts->net);
831 	opts->borrowed_net = opts->bound = true;
832 	opts->net = net;
885 	struct f_rndis_opts *opts;
887 	opts = container_of(f, struct f_rndis_opts, func_inst);
888 	if (!opts->borrowed_net) {
889 		if (opts->bound)
890 			gether_cleanup(netdev_priv(opts->net));
892 			free_netdev(opts->net);
895 	kfree(opts->rndis_interf_group);	/* single VLA chunk */
896 	kfree(opts);
901 	struct f_rndis_opts *opts;
906 	opts = kzalloc(sizeof(*opts), GFP_KERNEL);
907 	if (!opts)
909 	opts->rndis_os_desc.ext_compat_id = opts->rndis_ext_compat_id;
911 	mutex_init(&opts->lock);
912 	opts->func_inst.free_func_inst = rndis_free_inst;
913 	opts->net = gether_setup_default();
914 	if (IS_ERR(opts->net)) {
915 		struct net_device *net = opts->net;
916 		kfree(opts);
919 	INIT_LIST_HEAD(&opts->rndis_os_desc.ext_prop);
921 	opts->class = rndis_iad_descriptor.bFunctionClass;
922 	opts->subclass = rndis_iad_descriptor.bFunctionSubClass;
923 	opts->protocol = rndis_iad_descriptor.bFunctionProtocol;
925 	descs[0] = &opts->rndis_os_desc;
927 	config_group_init_type_name(&opts->func_inst.group, "",
930 		usb_os_desc_prepare_interf_dir(&opts->func_inst.group, 1, descs,
933 		rndis_free_inst(&opts->func_inst);
936 	opts->rndis_interf_group = rndis_interf_group;
938 	return &opts->func_inst;
944 	struct f_rndis_opts *opts;
948 	opts = container_of(f->fi, struct f_rndis_opts, func_inst);
950 	mutex_lock(&opts->lock);
951 	opts->refcnt--;
952 	mutex_unlock(&opts->lock);
970 	struct f_rndis_opts *opts;
978 	opts = container_of(fi, struct f_rndis_opts, func_inst);
979 	mutex_lock(&opts->lock);
980 	opts->refcnt++;
982 	gether_get_host_addr_u8(opts->net, rndis->ethaddr);
983 	rndis->vendorID = opts->vendor_id;
984 	rndis->manufacturer = opts->manufacturer;
986 	rndis->port.ioport = netdev_priv(opts->net);
987 	mutex_unlock(&opts->lock);