diff --git a/hw/virtio-serial-bus.c b/hw/virtio-serial-bus.c index ab456ea396..d0e021932c 100644 --- a/hw/virtio-serial-bus.c +++ b/hw/virtio-serial-bus.c @@ -335,8 +335,10 @@ static void handle_input(VirtIODevice *vdev, VirtQueue *vq) static uint32_t get_features(VirtIODevice *vdev, uint32_t features) { - features |= (1 << VIRTIO_CONSOLE_F_MULTIPORT); - + VirtIOSerial *vser = DO_UPCAST(VirtIOSerial, vdev, vdev); + if (vser->bus->max_nr_ports > 1) { + features |= (1 << VIRTIO_CONSOLE_F_MULTIPORT); + } return features; }