The rx_active boolean change to true should always trigger a try_read call that flushes the queue. Signed-off-by: Patrick Venture <venture@google.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-id: 20211203221002.1719306-1-venture@google.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>