97 	u8 rc = LLC_PDU_LEN_U;  in llc_ui_header_len()  local
100 		rc = LLC_PDU_LEN_U;  in llc_ui_header_len()
102 		rc = LLC_PDU_LEN_I;  in llc_ui_header_len()
103 	return rc;  in llc_ui_header_len()
118 	int rc = 0;  in llc_ui_send_data()  local
125 		rc = llc_ui_wait_for_busy_core(sk, timeout);  in llc_ui_send_data()
127 	if (unlikely(!rc))  in llc_ui_send_data()
128 		rc = llc_build_and_send_pkt(sk, skb);  in llc_ui_send_data()
129 	return rc;  in llc_ui_send_data()
161 	int rc = -ESOCKTNOSUPPORT;  in llc_ui_create()  local
170 		rc = -ENOMEM;  in llc_ui_create()
173 			rc = 0;  in llc_ui_create()
177 	return rc;  in llc_ui_create()
256 	int rc = -EINVAL;  in llc_ui_autobind()  local
260 	rc = -ENODEV;  in llc_ui_autobind()
271 	rc = -EUSERS;  in llc_ui_autobind()
275 	rc = -EBUSY; /* some other network layer is using the sap */  in llc_ui_autobind()
284 	rc = 0;  in llc_ui_autobind()
286 	return rc;  in llc_ui_autobind()
309 	int rc = -EINVAL;  in llc_ui_bind()  local
314 	rc = -EAFNOSUPPORT;  in llc_ui_bind()
317 	rc = -ENODEV;  in llc_ui_bind()
330 				rc = -EINVAL;  in llc_ui_bind()
343 		rc = -EUSERS;  in llc_ui_bind()
351 		rc = -EBUSY; /* some other network layer is using the sap */  in llc_ui_bind()
366 		rc = -EADDRINUSE; /* mac + sap clash. */  in llc_ui_bind()
379 	rc = 0;  in llc_ui_bind()
383 	return rc;  in llc_ui_bind()
400 	int rc = -ENOTCONN;  in llc_ui_shutdown()  local
405 	rc = -EINVAL;  in llc_ui_shutdown()
408 	rc = llc_send_disc(sk);  in llc_ui_shutdown()
409 	if (!rc)  in llc_ui_shutdown()
410 		rc = llc_ui_wait_for_disc(sk, sk->sk_rcvtimeo);  in llc_ui_shutdown()
415 	return rc;  in llc_ui_shutdown()
438 	int rc = -EINVAL;  in llc_ui_connect()  local
443 	rc = -EAFNOSUPPORT;  in llc_ui_connect()
448 	rc = -EALREADY;  in llc_ui_connect()
454 		rc = llc_ui_autobind(sock, addr);  in llc_ui_connect()
455 		if (rc)  in llc_ui_connect()
463 	rc = llc_establish_connection(sk, llc->dev->dev_addr,  in llc_ui_connect()
465 	if (rc) {  in llc_ui_connect()
478 		rc = sock_intr_errno(timeo);  in llc_ui_connect()
487 	rc = 0;  in llc_ui_connect()
490 	return rc;  in llc_ui_connect()
492 	rc = sock_error(sk) ? : -ECONNABORTED;  in llc_ui_connect()
508 	int rc = -EINVAL;  in llc_ui_listen()  local
513 	rc = -EOPNOTSUPP;  in llc_ui_listen()
516 	rc = -EAGAIN;  in llc_ui_listen()
519 	rc = 0;  in llc_ui_listen()
530 	return rc;  in llc_ui_listen()
536 	int rc = 0;  in llc_ui_wait_for_disc()  local
542 		rc = -ERESTARTSYS;  in llc_ui_wait_for_disc()
545 		rc = -EAGAIN;  in llc_ui_wait_for_disc()
548 		rc = 0;  in llc_ui_wait_for_disc()
551 	return rc;  in llc_ui_wait_for_disc()
573 	int rc;  in llc_ui_wait_for_busy_core()  local
577 		rc = 0;  in llc_ui_wait_for_busy_core()
584 		rc = -ERESTARTSYS;  in llc_ui_wait_for_busy_core()
587 		rc = -EAGAIN;  in llc_ui_wait_for_busy_core()
592 	return rc;  in llc_ui_wait_for_busy_core()
597 	int rc;  in llc_wait_data()  local
603 		rc = sock_error(sk);  in llc_wait_data()
604 		if (rc)  in llc_wait_data()
606 		rc = 0;  in llc_wait_data()
609 		rc = -EAGAIN;  in llc_wait_data()
612 		rc = sock_intr_errno(timeo);  in llc_wait_data()
615 		rc = 0;  in llc_wait_data()
619 	return rc;  in llc_wait_data()
650 	int rc = -EOPNOTSUPP;  in llc_ui_accept()  local
657 	rc = -EINVAL;  in llc_ui_accept()
663 		rc = llc_wait_data(sk, sk->sk_rcvtimeo);  in llc_ui_accept()
664 		if (rc)  in llc_ui_accept()
670 	rc = -EINVAL;  in llc_ui_accept()
673 	rc = 0;  in llc_ui_accept()
694 	return rc;  in llc_ui_accept()
822 			int rc = skb_copy_datagram_msg(skb, offset, msg, used);  in llc_ui_recvmsg()  local
823 			if (rc) {  in llc_ui_recvmsg()
890 	int rc = -EINVAL, copied = 0, hdrlen;  in llc_ui_sendmsg()  local
906 		rc = llc_ui_autobind(sock, addr);  in llc_ui_sendmsg()
907 		if (rc)  in llc_ui_sendmsg()
916 	skb = sock_alloc_send_skb(sk, size, noblock, &rc);  in llc_ui_sendmsg()
923 	rc = memcpy_from_msg(skb_put(skb, copied), msg, copied);  in llc_ui_sendmsg()
924 	if (rc)  in llc_ui_sendmsg()
941 	rc = -ENOPROTOOPT;  in llc_ui_sendmsg()
944 	rc = llc_ui_send_data(sk, skb, noblock);  in llc_ui_sendmsg()
946 	if (rc) {  in llc_ui_sendmsg()
950 			__func__, llc->laddr.lsap, llc->daddr.lsap, rc);  in llc_ui_sendmsg()
953 	return rc ? : copied;  in llc_ui_sendmsg()
971 	int rc = -EBADF;  in llc_ui_getname()  local
979 		rc = -ENOTCONN;  in llc_ui_getname()
987 		rc = -EINVAL;  in llc_ui_getname()
998 	rc = 0;  in llc_ui_getname()
1003 	return rc;  in llc_ui_getname()
1036 	int rc = -EINVAL;  in llc_ui_setsockopt()  local
1041 	rc = get_user(opt, (int __user *)optval);  in llc_ui_setsockopt()
1042 	if (rc)  in llc_ui_setsockopt()
1044 	rc = -EINVAL;  in llc_ui_setsockopt()
1093 		rc = -ENOPROTOOPT;  in llc_ui_setsockopt()
1096 	rc = 0;  in llc_ui_setsockopt()
1099 	return rc;  in llc_ui_setsockopt()
1117 	int val = 0, len = 0, rc = -EINVAL;  in llc_ui_getsockopt()  local
1122 	rc = get_user(len, optlen);  in llc_ui_getsockopt()
1123 	if (rc)  in llc_ui_getsockopt()
1125 	rc = -EINVAL;  in llc_ui_getsockopt()
1149 		rc = -ENOPROTOOPT;  in llc_ui_getsockopt()
1152 	rc = 0;  in llc_ui_getsockopt()
1154 		rc = -EFAULT;  in llc_ui_getsockopt()
1157 	return rc;  in llc_ui_getsockopt()
1196 	int rc = proto_register(&llc_proto, 0);  in llc2_init()  local
1198 	if (rc != 0)  in llc2_init()
1204 	rc = llc_proc_init();  in llc2_init()
1205 	if (rc != 0) {  in llc2_init()
1209 	rc = llc_sysctl_init();  in llc2_init()
1210 	if (rc) {  in llc2_init()
1214 	rc = sock_register(&llc_ui_family_ops);  in llc2_init()
1215 	if (rc) {  in llc2_init()
1222 	return rc;  in llc2_init()