895 	ssize_t copied;  in do_tcp_sendpages()  local
912 	copied = 0;  in do_tcp_sendpages()
967 		if (!copied)  in do_tcp_sendpages()
970 		copied += copy;  in do_tcp_sendpages()
1002 	if (copied && !(flags & MSG_SENDPAGE_NOTLAST))  in do_tcp_sendpages()
1004 	return copied;  in do_tcp_sendpages()
1007 	if (copied)  in do_tcp_sendpages()
1065 				int *copied, size_t size)  in tcp_sendmsg_fastopen()  argument
1085 	*copied = tp->fastopen_req->copied;  in tcp_sendmsg_fastopen()
1094 	int flags, err, copied = 0;  in tcp_sendmsg()  local
1125 			copied = tcp_send_rcvq(sk, msg, size);  in tcp_sendmsg()
1142 	copied = 0;  in tcp_sendmsg()
1245 		if (!copied)  in tcp_sendmsg()
1252 		copied += copy;  in tcp_sendmsg()
1271 		if (copied)  in tcp_sendmsg()
1283 	if (copied)  in tcp_sendmsg()
1287 	return copied + copied_syn;  in tcp_sendmsg()
1300 	if (copied + copied_syn)  in tcp_sendmsg()
1364 	int copied = 0, err = 0;  in tcp_peek_sndq()  local
1373 		copied += skb->len;  in tcp_peek_sndq()
1376 	return err ?: copied;  in tcp_peek_sndq()
1385 static void tcp_cleanup_rbuf(struct sock *sk, int copied)  in tcp_cleanup_rbuf()  argument
1409 		    (copied > 0 &&  in tcp_cleanup_rbuf()
1423 	if (copied > 0 && !time_to_ack && !(sk->sk_shutdown & RCV_SHUTDOWN)) {  in tcp_cleanup_rbuf()
1501 	int copied = 0;  in tcp_read_sock()  local
1521 				if (!copied)  in tcp_read_sock()
1522 					copied = used;  in tcp_read_sock()
1526 				copied += used;  in tcp_read_sock()
1558 	if (copied > 0) {  in tcp_read_sock()
1560 		tcp_cleanup_rbuf(sk, copied);  in tcp_read_sock()
1562 	return copied;  in tcp_read_sock()
1578 	int copied = 0;  in tcp_recvmsg()  local
1636 			if (copied)  in tcp_recvmsg()
1639 				copied = timeo ? sock_intr_errno(timeo) : -EAGAIN;  in tcp_recvmsg()
1672 		if (copied >= target && !sk->sk_backlog.tail)  in tcp_recvmsg()
1675 		if (copied) {  in tcp_recvmsg()
1687 				copied = sock_error(sk);  in tcp_recvmsg()
1699 					copied = -ENOTCONN;  in tcp_recvmsg()
1706 				copied = -EAGAIN;  in tcp_recvmsg()
1711 				copied = sock_intr_errno(timeo);  in tcp_recvmsg()
1716 		tcp_cleanup_rbuf(sk, copied);  in tcp_recvmsg()
1763 		if (copied >= target) {  in tcp_recvmsg()
1780 				copied += chunk;  in tcp_recvmsg()
1792 					copied += chunk;  in tcp_recvmsg()
1797 		    (peek_seq - copied - urg_hole != tp->copied_seq)) {  in tcp_recvmsg()
1833 				if (!copied)  in tcp_recvmsg()
1834 					copied = -EFAULT;  in tcp_recvmsg()
1840 		copied += used;  in tcp_recvmsg()
1871 			tp->ucopy.len = copied > 0 ? len : 0;  in tcp_recvmsg()
1875 			if (copied > 0 && (chunk = len - tp->ucopy.len) != 0) {  in tcp_recvmsg()
1878 				copied += chunk;  in tcp_recvmsg()
1891 	tcp_cleanup_rbuf(sk, copied);  in tcp_recvmsg()
1894 	return copied;  in tcp_recvmsg()