4617 	mblk_t		*xmit_tail;  in tcp_wput_data()  local
4697 	xmit_tail = tcp->tcp_xmit_tail;  in tcp_wput_data()
4865 			uchar_t		*prev_rptr = xmit_tail->b_rptr;  in tcp_wput_data()
4869 				assert(xmit_tail->b_cont != NULL);  in tcp_wput_data()
4870 				xmit_tail = xmit_tail->b_cont;  in tcp_wput_data()
4871 				prev_rptr = xmit_tail->b_rptr;  in tcp_wput_data()
4872 				tail_unsent = (int)(xmit_tail->b_wptr -  in tcp_wput_data()
4873 				    xmit_tail->b_rptr);  in tcp_wput_data()
4875 				xmit_tail->b_rptr = xmit_tail->b_wptr -  in tcp_wput_data()
4878 			mp = tcp_xmit_mp(tcp, xmit_tail, len, NULL, NULL,  in tcp_wput_data()
4882 			if (prev_rptr == xmit_tail->b_rptr)  in tcp_wput_data()
4883 				xmit_tail->b_prev = local_time;  in tcp_wput_data()
4885 				xmit_tail->b_rptr = prev_rptr;  in tcp_wput_data()
4895 				xmit_tail = xmit_tail->b_cont;  in tcp_wput_data()
4896 				xmit_tail->b_prev = local_time;  in tcp_wput_data()
4899 			tail_unsent = xmit_tail->b_wptr - mp1->b_wptr;  in tcp_wput_data()
4915 			rptr = xmit_tail->b_wptr - tail_unsent;  in tcp_wput_data()
4916 			if (rptr != xmit_tail->b_rptr) {  in tcp_wput_data()
4920 				mp = dupb(xmit_tail);  in tcp_wput_data()
4927 			xmit_tail = xmit_tail->b_cont;  in tcp_wput_data()
4928 			assert((uintptr_t)(xmit_tail->b_wptr -  in tcp_wput_data()
4929 			    xmit_tail->b_rptr) <= (uintptr_t)INT_MAX);  in tcp_wput_data()
4930 			tail_unsent = (int)(xmit_tail->b_wptr -  in tcp_wput_data()
4931 			    xmit_tail->b_rptr);  in tcp_wput_data()
4941 		xmit_tail->b_prev = local_time;  in tcp_wput_data()
4943 		mp = dupb(xmit_tail);  in tcp_wput_data()
5065 			    tail_unsent + (int)(xmit_tail->b_cont->b_wptr -  in tcp_wput_data()
5066 			    xmit_tail->b_cont->b_rptr) <= 0) {  in tcp_wput_data()
5067 				xmit_tail = xmit_tail->b_cont;  in tcp_wput_data()
5069 				xmit_tail->b_prev = local_time;  in tcp_wput_data()
5070 				mp1->b_cont = dupb(xmit_tail);  in tcp_wput_data()
5072 				assert((uintptr_t)(xmit_tail->b_wptr -  in tcp_wput_data()
5073 				    xmit_tail->b_rptr) <= (uintptr_t)INT_MAX);  in tcp_wput_data()
5074 				tail_unsent += (int)(xmit_tail->b_wptr -  in tcp_wput_data()
5075 				    xmit_tail->b_rptr);  in tcp_wput_data()
5138 			xmit_tail = xmit_tail->b_cont;  in tcp_wput_data()
5139 			xmit_tail->b_prev = local_time;  in tcp_wput_data()
5140 			assert((uintptr_t)(xmit_tail->b_wptr -  in tcp_wput_data()
5141 			    xmit_tail->b_rptr) <= (uintptr_t)INT_MAX);  in tcp_wput_data()
5142 			tail_unsent += (int)(xmit_tail->b_wptr -  in tcp_wput_data()
5143 			    xmit_tail->b_rptr);  in tcp_wput_data()
5147 	tcp->tcp_xmit_tail = xmit_tail;  in tcp_wput_data()