880 	ssize_t copied;  in do_tcp_sendpages()  local
896 	copied = 0;  in do_tcp_sendpages()
950 		if (!copied)  in do_tcp_sendpages()
953 		copied += copy;  in do_tcp_sendpages()
983 	if (copied && !(flags & MSG_SENDPAGE_NOTLAST))  in do_tcp_sendpages()
985 	return copied;  in do_tcp_sendpages()
988 	if (copied)  in do_tcp_sendpages()
1043 				int *copied, size_t size)  in tcp_sendmsg_fastopen()  argument
1063 	*copied = tp->fastopen_req->copied;  in tcp_sendmsg_fastopen()
1072 	int flags, err, copied = 0;  in tcp_sendmsg()  local
1102 			copied = tcp_send_rcvq(sk, msg, size);  in tcp_sendmsg()
1119 	copied = 0;  in tcp_sendmsg()
1221 		if (!copied)  in tcp_sendmsg()
1228 		copied += copy;  in tcp_sendmsg()
1247 		if (copied)  in tcp_sendmsg()
1258 	if (copied)  in tcp_sendmsg()
1262 	return copied + copied_syn;  in tcp_sendmsg()
1275 	if (copied + copied_syn)  in tcp_sendmsg()
1336 	int copied = 0, err = 0;  in tcp_peek_sndq()  local
1345 		copied += skb->len;  in tcp_peek_sndq()
1348 	return err ?: copied;  in tcp_peek_sndq()
1357 static void tcp_cleanup_rbuf(struct sock *sk, int copied)  in tcp_cleanup_rbuf()  argument
1381 		    (copied > 0 &&  in tcp_cleanup_rbuf()
1395 	if (copied > 0 && !time_to_ack && !(sk->sk_shutdown & RCV_SHUTDOWN)) {  in tcp_cleanup_rbuf()
1473 	int copied = 0;  in tcp_read_sock()  local
1493 				if (!copied)  in tcp_read_sock()
1494 					copied = used;  in tcp_read_sock()
1498 				copied += used;  in tcp_read_sock()
1530 	if (copied > 0) {  in tcp_read_sock()
1532 		tcp_cleanup_rbuf(sk, copied);  in tcp_read_sock()
1534 	return copied;  in tcp_read_sock()
1550 	int copied = 0;  in tcp_recvmsg()  local
1608 			if (copied)  in tcp_recvmsg()
1611 				copied = timeo ? sock_intr_errno(timeo) : -EAGAIN;  in tcp_recvmsg()
1642 		if (copied >= target && !sk->sk_backlog.tail)  in tcp_recvmsg()
1645 		if (copied) {  in tcp_recvmsg()
1657 				copied = sock_error(sk);  in tcp_recvmsg()
1669 					copied = -ENOTCONN;  in tcp_recvmsg()
1676 				copied = -EAGAIN;  in tcp_recvmsg()
1681 				copied = sock_intr_errno(timeo);  in tcp_recvmsg()
1686 		tcp_cleanup_rbuf(sk, copied);  in tcp_recvmsg()
1733 		if (copied >= target) {  in tcp_recvmsg()
1748 				copied += chunk;  in tcp_recvmsg()
1759 					copied += chunk;  in tcp_recvmsg()
1764 		    (peek_seq - copied - urg_hole != tp->copied_seq)) {  in tcp_recvmsg()
1800 				if (!copied)  in tcp_recvmsg()
1801 					copied = -EFAULT;  in tcp_recvmsg()
1807 		copied += used;  in tcp_recvmsg()
1838 			tp->ucopy.len = copied > 0 ? len : 0;  in tcp_recvmsg()
1842 			if (copied > 0 && (chunk = len - tp->ucopy.len) != 0) {  in tcp_recvmsg()
1845 				copied += chunk;  in tcp_recvmsg()
1858 	tcp_cleanup_rbuf(sk, copied);  in tcp_recvmsg()
1861 	return copied;  in tcp_recvmsg()