From: Jason Wang <jasow...@redhat.com>
Cc: Cornelia Huck <cornelia.h...@de.ibm.com>
Cc: Christian Borntraeger <borntrae...@de.ibm.com>
Cc: Richard Henderson <r...@twiddle.net>
Cc: Alexander Graf <ag...@suse.de>
Signed-off-by: Jason Wang <jasow...@redhat.com>
Reviewed-by: Michael S. Tsirkin <m...@redhat.com>
Signed-off-by: Michael S. Tsirkin <m...@redhat.com>
---
hw/s390x/virtio-ccw.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c
index 60d60d6..ef90fed 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);
--
MST
