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-rw-r--r--hw/s390x/virtio-ccw.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c
index 1cb4e2c2f8..e3b7120cea 100644
--- a/hw/s390x/virtio-ccw.c
+++ b/hw/s390x/virtio-ccw.c
@@ -522,6 +522,10 @@ static int virtio_ccw_cb(SubchDev *sch, CCW1 ccw)
                 dev->thinint_isc = thinint->isc;
                 dev->ind_bit = thinint->ind_bit;
                 cpu_physical_memory_unmap(thinint, hw_len, 0, hw_len);
+                ret = css_register_io_adapter(CSS_IO_ADAPTER_VIRTIO,
+                                              dev->thinint_isc, true, false,
+                                              &dev->adapter_id);
+                assert(ret == 0);
                 sch->thinint_active = ((dev->indicators != 0) &&
                                        (dev->summary_indicator != 0));
                 sch->curr_status.scsw.count = ccw.count - len;