6497     struct mbuf *outchain,  in sctp_copy_mbufchain()  argument
6511 		if (outchain)  in sctp_copy_mbufchain()
6512 			sctp_m_freem(outchain);  in sctp_copy_mbufchain()
6523 				if (outchain == NULL) {  in sctp_copy_mbufchain()
6526 					outchain = sctp_get_mbuf_for_msg(MCLBYTES, 0, M_NOWAIT, 1, MT_HEADER);  in sctp_copy_mbufchain()
6527 					if (outchain == NULL) {  in sctp_copy_mbufchain()
6530 					SCTP_BUF_LEN(outchain) = 0;  in sctp_copy_mbufchain()
6531 					*endofchain = outchain;  in sctp_copy_mbufchain()
6533 					SCTP_BUF_RESV_UF(outchain, (SCTP_FIRST_MBUF_RESV + 4));  in sctp_copy_mbufchain()
6540 					m = outchain;  in sctp_copy_mbufchain()
6554 						sctp_m_freem(outchain);  in sctp_copy_mbufchain()
6591 			return (outchain);  in sctp_copy_mbufchain()
6604 		if (outchain)  in sctp_copy_mbufchain()
6605 			sctp_m_freem(outchain);  in sctp_copy_mbufchain()
6608 	if (outchain) {  in sctp_copy_mbufchain()
6613 			m = outchain;  in sctp_copy_mbufchain()
6633 		return (outchain);  in sctp_copy_mbufchain()
7834 	struct mbuf *outchain, *endoutchain;  in sctp_med_chunk_output()  local
8041 		endoutchain = outchain = NULL;  in sctp_med_chunk_output()
8146 					outchain = sctp_add_auth_chunk(outchain,  in sctp_med_chunk_output()
8154 				outchain = sctp_copy_mbufchain(chk->data, outchain, &endoutchain,  in sctp_med_chunk_output()
8157 				if (outchain == NULL) {  in sctp_med_chunk_output()
8213 					    outchain, auth_offset, auth,  in sctp_med_chunk_output()
8253 					outchain = endoutchain = NULL;  in sctp_med_chunk_output()
8373 					outchain = sctp_add_auth_chunk(outchain,  in sctp_med_chunk_output()
8381 				outchain = sctp_copy_mbufchain(chk->data, outchain, &endoutchain,  in sctp_med_chunk_output()
8384 				if (outchain == NULL) {  in sctp_med_chunk_output()
8502 					    outchain,  in sctp_med_chunk_output()
8542 					outchain = endoutchain = NULL;  in sctp_med_chunk_output()
8704 							outchain = sctp_add_auth_chunk(outchain,  in sctp_med_chunk_output()
8728 					outchain = sctp_copy_mbufchain(chk->data, outchain, &endoutchain, 0,  in sctp_med_chunk_output()
8730 					if (outchain == NULL) {  in sctp_med_chunk_output()
8806 		if (outchain) {  in sctp_med_chunk_output()
8852 			    outchain,  in sctp_med_chunk_output()
9113 	struct mbuf *outchain;  in sctp_send_heartbeat_ack()  local
9121 	outchain = SCTP_M_COPYM(m, offset, chk_length, M_NOWAIT);  in sctp_send_heartbeat_ack()
9122 	if (outchain == NULL) {  in sctp_send_heartbeat_ack()
9128 		sctp_log_mbc(outchain, SCTP_MBUF_ICOPY);  in sctp_send_heartbeat_ack()
9131 	chdr = mtod(outchain, struct sctp_chunkhdr *);  in sctp_send_heartbeat_ack()
9135 		sctp_pad_lastmbuf(outchain, 4 - (chk_length % 4), NULL);  in sctp_send_heartbeat_ack()
9140 		sctp_m_freem(outchain);  in sctp_send_heartbeat_ack()
9151 	chk->data = outchain;  in sctp_send_heartbeat_ack()