670 	ssize_t copied;  in do_tcp_sendpages()  local
682 	copied = 0;  in do_tcp_sendpages()
737 		if (!copied)  in do_tcp_sendpages()
740 		copied += copy;  in do_tcp_sendpages()
758 		if (copied)  in do_tcp_sendpages()
769 	if (copied)  in do_tcp_sendpages()
771 	return copied;  in do_tcp_sendpages()
774 	if (copied)  in do_tcp_sendpages()
830 	int err, copied;  in tcp_sendmsg()  local
853 	copied = 0;  in tcp_sendmsg()
979 			if (!copied)  in tcp_sendmsg()
987 			copied += copy;  in tcp_sendmsg()
1004 			if (copied)  in tcp_sendmsg()
1016 	if (copied)  in tcp_sendmsg()
1020 	return copied;  in tcp_sendmsg()
1033 	if (copied)  in tcp_sendmsg()
1099 void tcp_cleanup_rbuf(struct sock *sk, int copied)  in tcp_cleanup_rbuf()  argument
1123 		    (copied > 0 &&  in tcp_cleanup_rbuf()
1137 	if (copied > 0 && !time_to_ack && !(sk->sk_shutdown & RCV_SHUTDOWN)) {  in tcp_cleanup_rbuf()
1210 	int copied = 0;  in tcp_read_sock()  local
1230 				if (!copied)  in tcp_read_sock()
1231 					copied = used;  in tcp_read_sock()
1235 				copied += used;  in tcp_read_sock()
1262 	if (copied > 0)  in tcp_read_sock()
1263 		tcp_cleanup_rbuf(sk, copied);  in tcp_read_sock()
1264 	return copied;  in tcp_read_sock()
1279 	int copied = 0;  in tcp_recvmsg()  local
1339 			if (copied)  in tcp_recvmsg()
1342 				copied = timeo ? sock_intr_errno(timeo) : -EAGAIN;  in tcp_recvmsg()
1375 		if (copied >= target && !sk->sk_backlog.tail)  in tcp_recvmsg()
1378 		if (copied) {  in tcp_recvmsg()
1390 				copied = sock_error(sk);  in tcp_recvmsg()
1402 					copied = -ENOTCONN;  in tcp_recvmsg()
1409 				copied = -EAGAIN;  in tcp_recvmsg()
1414 				copied = sock_intr_errno(timeo);  in tcp_recvmsg()
1419 		tcp_cleanup_rbuf(sk, copied);  in tcp_recvmsg()
1466 		if (copied >= target) {  in tcp_recvmsg()
1485 				copied += chunk;  in tcp_recvmsg()
1496 					copied += chunk;  in tcp_recvmsg()
1547 					if (!copied)  in tcp_recvmsg()
1548 						copied = -EFAULT;  in tcp_recvmsg()
1561 					if (!copied)  in tcp_recvmsg()
1562 						copied = -EFAULT;  in tcp_recvmsg()
1569 		copied += used;  in tcp_recvmsg()
1604 			tp->ucopy.len = copied > 0 ? len : 0;  in tcp_recvmsg()
1608 			if (copied > 0 && (chunk = len - tp->ucopy.len) != 0) {  in tcp_recvmsg()
1611 				copied += chunk;  in tcp_recvmsg()
1652 	tcp_cleanup_rbuf(sk, copied);  in tcp_recvmsg()
1656 	return copied;  in tcp_recvmsg()