refactor

repertory/librepertory/src/comm/packet/packet_server.cpp

@@ -131,7 +131,7 @@ auto packet_server::handshake(std::shared_ptr<connection> conn) const -> bool {
             conn->socket,
             boost::asio::buffer(&conn->buffer[total_read],
                                 conn->buffer.size() - total_read));
-        if (bytes_read <= 0) {
+        if (bytes_read == 0) {
           throw std::runtime_error("0 bytes read");
         }