2033 	mblk_t *ump, *nump, *mp = NULL;  in sctp_cumack()  local
2042 	ump = sctp->sctp_xmit_head;  in sctp_cumack()
2047 	while (ump != NULL) {  in sctp_cumack()
2048 		mhdr = (sctp_msg_hdr_t *)ump->b_rptr;  in sctp_cumack()
2049 		for (mp = ump->b_cont; mp != NULL; mp = mp->b_next) {  in sctp_cumack()
2051 				ASSERT(SCTP_IS_MSG_ABANDONED(ump));  in sctp_cumack()
2063 				    mp != ump->b_cont &&  in sctp_cumack()
2064 				    (SCTP_IS_MSG_ABANDONED(ump) ||  in sctp_cumack()
2065 				    SCTP_MSG_TO_BE_ABANDONED(ump, mhdr,  in sctp_cumack()
2068 					    ump);  in sctp_cumack()
2112 		nump = ump->b_next;  in sctp_cumack()
2115 		if (ump == sctp->sctp_xmit_tail)  in sctp_cumack()
2117 		if (SCTP_IS_MSG_ABANDONED(ump)) {  in sctp_cumack()
2119 			ump->b_next = NULL;  in sctp_cumack()
2120 			sctp_sendfail_event(sctp, ump, 0, B_TRUE);  in sctp_cumack()
2122 			sctp_free_msg(ump);  in sctp_cumack()
2124 		sctp->sctp_xmit_head = ump = nump;  in sctp_cumack()
2508 	mblk_t			*ump = umphead;  in sctp_process_uo_gaps()  local
2529 			if (ump == NULL || !SCTP_CHUNK_ISSENT(mp) ||  in sctp_process_uo_gaps()
2531 				ump = umphead;  in sctp_process_uo_gaps()
2572 				ump = ump->b_next;  in sctp_process_uo_gaps()
2577 				ASSERT(ump != NULL);  in sctp_process_uo_gaps()
2578 				mp = ump->b_cont;  in sctp_process_uo_gaps()
2625 				ump = ump->b_next;  in sctp_process_uo_gaps()
2626 				if (ump == NULL) {  in sctp_process_uo_gaps()
2630 				mp = ump->b_cont;  in sctp_process_uo_gaps()
2658 	ump = umphead;  in sctp_process_uo_gaps()
2694 			ump = ump->b_next;  in sctp_process_uo_gaps()
2696 			ASSERT(ump != NULL);  in sctp_process_uo_gaps()
2697 			mp = ump->b_cont;  in sctp_process_uo_gaps()
2713 	mblk_t			*ump;  in sctp_got_sack()  local
2861 	ump = sctp->sctp_xmit_head;  in sctp_got_sack()
2968 				ump = ump->b_next;  in sctp_got_sack()
2975 				if (ump == NULL) {  in sctp_got_sack()
2981 				mp = ump->b_cont;  in sctp_got_sack()
3039 				ump = ump->b_next;  in sctp_got_sack()
3040 				if (ump == NULL) {  in sctp_got_sack()
3048 					ump = sctp->sctp_xmit_head;  in sctp_got_sack()
3054 				mp = ump->b_cont;  in sctp_got_sack()
3068 				ump = sctp->sctp_xmit_head;  in sctp_got_sack()