af_vsock: rename variables in receive loop

Record is supported via MSG_EOR flag, while current logic operates
with message, so rename variables from 'record' to 'message'.
Signed-off-by: Arseny Krasnov <arseny.krasnov@kaspersky.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Link: https://lore.kernel.org/r/20210903123306.3273757-1-arseny.krasnov@kaspersky.comSigned-off-by: Michael S. Tsirkin <mst@redhat.com>

net/vmw_vsock/af_vsock.c

@@ -2014,7 +2014,7 @@ static int __vsock_seqpacket_recvmsg(struct sock *sk, struct msghdr *msg,
 {
 	const struct vsock_transport *transport;
 	struct vsock_sock *vsk;
-	ssize_t record_len;
+	ssize_t msg_len;
 	long timeout;
 	int err = 0;
 	DEFINE_WAIT(wait);
@@ -2028,9 +2028,9 @@ static int __vsock_seqpacket_recvmsg(struct sock *sk, struct msghdr *msg,
 	if (err <= 0)
 		goto out;
 
-	record_len = transport->seqpacket_dequeue(vsk, msg, flags);
+	msg_len = transport->seqpacket_dequeue(vsk, msg, flags);
 
-	if (record_len < 0) {
+	if (msg_len < 0) {
 		err = -ENOMEM;
 		goto out;
 	}
@@ -2044,14 +2044,14 @@ static int __vsock_seqpacket_recvmsg(struct sock *sk, struct msghdr *msg,
 		 * packet.
 		 */
 		if (flags & MSG_TRUNC)
-			err = record_len;
+			err = msg_len;
 		else
 			err = len - msg_data_left(msg);
 
 		/* Always set MSG_TRUNC if real length of packet is
 		 * bigger than user's buffer.
 		 */
-		if (record_len > len)
+		if (msg_len > len)
 			msg->msg_flags |= MSG_TRUNC;
 	}