diff options
| -rw-r--r-- | hw/s390x/virtio-ccw.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c index 60d60d6186..ef90feddea 100644 --- a/hw/s390x/virtio-ccw.c +++ b/hw/s390x/virtio-ccw.c @@ -1381,7 +1381,16 @@ static int virtio_ccw_load_config(DeviceState *d, QEMUFile *f) static void virtio_ccw_device_plugged(DeviceState *d, Error **errp) { VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d); + VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); SubchDev *sch = dev->sch; + int n = virtio_get_num_queues(vdev); + + if (virtio_get_num_queues(vdev) > VIRTIO_CCW_QUEUE_MAX) { + error_setg(errp, "The nubmer of virtqueues %d " + "exceeds ccw limit %d", n, + VIRTIO_CCW_QUEUE_MAX); + return; + } sch->id.cu_model = virtio_bus_get_vdev_id(&dev->bus); |