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-rw-r--r--hw/s390x/s390-virtio-bus.c11
-rw-r--r--hw/s390x/virtio-ccw.c12
2 files changed, 23 insertions, 0 deletions
diff --git a/hw/s390x/s390-virtio-bus.c b/hw/s390x/s390-virtio-bus.c
index d52a54725f..83faf97ea7 100644
--- a/hw/s390x/s390-virtio-bus.c
+++ b/hw/s390x/s390-virtio-bus.c
@@ -197,9 +197,20 @@ static int s390_virtio_serial_init(VirtIOS390Device *s390_dev)
DeviceState *qdev = DEVICE(s390_dev);
VirtIOS390Bus *bus;
int r;
+ char *bus_name;
bus = DO_UPCAST(VirtIOS390Bus, bus, qdev->parent_bus);
+ /*
+ * For command line compatibility, this sets the virtio-serial-device bus
+ * name as before.
+ */
+ if (qdev->id) {
+ bus_name = g_strdup_printf("%s.0", qdev->id);
+ virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name);
+ g_free(bus_name);
+ }
+
qdev_set_parent_bus(vdev, BUS(&s390_dev->bus));
if (qdev_init(vdev) < 0) {
return -1;
diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c
index ef9908001d..4ebefd886b 100644
--- a/hw/s390x/virtio-ccw.c
+++ b/hw/s390x/virtio-ccw.c
@@ -593,6 +593,18 @@ static int virtio_ccw_serial_init(VirtioCcwDevice *ccw_dev)
{
VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(ccw_dev);
DeviceState *vdev = DEVICE(&dev->vdev);
+ DeviceState *proxy = DEVICE(ccw_dev);
+ char *bus_name;
+
+ /*
+ * For command line compatibility, this sets the virtio-serial-device bus
+ * name as before.
+ */
+ if (proxy->id) {
+ bus_name = g_strdup_printf("%s.0", proxy->id);
+ virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name);
+ g_free(bus_name);
+ }
qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
if (qdev_init(vdev) < 0) {