545 	mblk_t	*ump = NULL;  in sctp_free_xmit_data()  local
551 	ump = sctp->sctp_xmit_head;  in sctp_free_xmit_data()
554 	for (; ump != NULL; ump = nump) {  in sctp_free_xmit_data()
555 		for (mp = ump->b_cont; mp != NULL; mp = nmp) {  in sctp_free_xmit_data()
561 		ASSERT(DB_REF(ump) == 1);  in sctp_free_xmit_data()
562 		nump = ump->b_next;  in sctp_free_xmit_data()
563 		ump->b_next = NULL;  in sctp_free_xmit_data()
564 		ump->b_prev = NULL;  in sctp_free_xmit_data()
565 		ump->b_cont = NULL;  in sctp_free_xmit_data()
566 		freeb(ump);  in sctp_free_xmit_data()
568 	if ((ump = sctp->sctp_xmit_unsent) == NULL) {  in sctp_free_xmit_data()