496 	u8 *val;  in dccp_setsockopt_ccid()  local
502 	val = memdup_sockptr(optval, optlen);  in dccp_setsockopt_ccid()
503 	if (IS_ERR(val))  in dccp_setsockopt_ccid()
504 		return PTR_ERR(val);  in dccp_setsockopt_ccid()
508 		rc = dccp_feat_register_sp(sk, DCCPF_CCID, 1, val, optlen);  in dccp_setsockopt_ccid()
511 		rc = dccp_feat_register_sp(sk, DCCPF_CCID, 0, val, optlen);  in dccp_setsockopt_ccid()
514 	kfree(val);  in dccp_setsockopt_ccid()
522 	int val, err = 0;  in do_dccp_setsockopt()  local
541 	if (copy_from_sockptr(&val, optval, sizeof(int)))  in do_dccp_setsockopt()
545 		return dccp_setsockopt_service(sk, val, optval, optlen);  in do_dccp_setsockopt()
553 			dp->dccps_server_timewait = (val != 0);  in do_dccp_setsockopt()
556 		err = dccp_setsockopt_cscov(sk, val, false);  in do_dccp_setsockopt()
559 		err = dccp_setsockopt_cscov(sk, val, true);  in do_dccp_setsockopt()
564 		else if (val < 0 || val >= DCCPQ_POLICY_MAX)  in do_dccp_setsockopt()
567 			dp->dccps_qpolicy = val;  in do_dccp_setsockopt()
570 		if (val < 0)  in do_dccp_setsockopt()
573 			dp->dccps_tx_qlen = val;  in do_dccp_setsockopt()
628 	int val, len;  in do_dccp_getsockopt()  local
646 		val = READ_ONCE(dp->dccps_mss_cache);  in do_dccp_getsockopt()
651 		val = ccid_get_current_tx_ccid(dp);  in do_dccp_getsockopt()
652 		if (val < 0)  in do_dccp_getsockopt()
656 		val = ccid_get_current_rx_ccid(dp);  in do_dccp_getsockopt()
657 		if (val < 0)  in do_dccp_getsockopt()
661 		val = dp->dccps_server_timewait;  in do_dccp_getsockopt()
664 		val = dp->dccps_pcslen;  in do_dccp_getsockopt()
667 		val = dp->dccps_pcrlen;  in do_dccp_getsockopt()
670 		val = dp->dccps_qpolicy;  in do_dccp_getsockopt()
673 		val = dp->dccps_tx_qlen;  in do_dccp_getsockopt()
685 	len = sizeof(val);  in do_dccp_getsockopt()
686 	if (put_user(len, optlen) || copy_to_user(optval, &val, len))  in do_dccp_getsockopt()