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-rw-r--r--include/hw/virtio/virtio-rng.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/hw/virtio/virtio-rng.h b/include/hw/virtio/virtio-rng.h
index debaa15d5a..14e85a5a3a 100644
--- a/include/hw/virtio/virtio-rng.h
+++ b/include/hw/virtio/virtio-rng.h
@@ -18,6 +18,8 @@
 #define TYPE_VIRTIO_RNG "virtio-rng-device"
 #define VIRTIO_RNG(obj) \
         OBJECT_CHECK(VirtIORNG, (obj), TYPE_VIRTIO_RNG)
+#define VIRTIO_RNG_GET_PARENT_CLASS(obj) \
+        OBJECT_GET_PARENT_CLASS(obj, TYPE_VIRTIO_RNG)
 
 /* The Virtio ID for the virtio rng device */
 #define VIRTIO_ID_RNG    4