virtio-rng: QOM realize preparations

Rename qdev -> dev because that's what realize's argument is called by
convention. No need to keep more "qdev" around than necessary.
Signed-off-by: NAndreas Färber <afaerber@suse.de>
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>

hw/virtio/virtio-rng.c

@@ -135,8 +135,8 @@ static void check_rate_limit(void *opaque)
 
 static int virtio_rng_device_init(VirtIODevice *vdev)
 {
-    DeviceState *qdev = DEVICE(vdev);
-    VirtIORNG *vrng = VIRTIO_RNG(vdev);
+    DeviceState *dev = DEVICE(vdev);
+    VirtIORNG *vrng = VIRTIO_RNG(dev);
     Error *local_err = NULL;
 
     if (!vrng->conf.period_ms > 0) {
@@ -148,12 +148,12 @@ static int virtio_rng_device_init(VirtIODevice *vdev)
     if (vrng->conf.rng == NULL) {
         vrng->conf.default_backend = RNG_RANDOM(object_new(TYPE_RNG_RANDOM));
 
-        object_property_add_child(OBJECT(qdev),
+        object_property_add_child(OBJECT(dev),
                                   "default-backend",
                                   OBJECT(vrng->conf.default_backend),
                                   NULL);
 
-        object_property_set_link(OBJECT(qdev),
+        object_property_set_link(OBJECT(dev),
                                  OBJECT(vrng->conf.default_backend),
                                  "rng", NULL);
     }
@@ -184,7 +184,7 @@ static int virtio_rng_device_init(VirtIODevice *vdev)
     timer_mod(vrng->rate_limit_timer,
                    qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) + vrng->conf.period_ms);
 
-    register_savevm(qdev, "virtio-rng", -1, 1, virtio_rng_save,
+    register_savevm(dev, "virtio-rng", -1, 1, virtio_rng_save,
                     virtio_rng_load, vrng);
 
     return 0;