virtio-9p: move unrealize/realize after virtio_9p_transport definition

And drop the now useless forward declaration of virtio_9p_transport.
Signed-off-by: NGreg Kurz <groug@kaod.org>

hw/9pfs/virtio-9p-device.c

@@ -20,8 +20,6 @@
 #include "hw/virtio/virtio-access.h"
 #include "qemu/iov.h"
 
-static const struct V9fsTransport virtio_9p_transport;
-
 static void virtio_9p_push_and_notify(V9fsPDU *pdu)
 {
     V9fsState *s = pdu->s;
@@ -104,35 +102,6 @@ static void virtio_9p_get_config(VirtIODevice *vdev, uint8_t *config)
     g_free(cfg);
 }
 
-static void virtio_9p_device_realize(DeviceState *dev, Error **errp)
-{
-    VirtIODevice *vdev = VIRTIO_DEVICE(dev);
-    V9fsVirtioState *v = VIRTIO_9P(dev);
-    V9fsState *s = &v->state;
-
-    if (v9fs_device_realize_common(s, errp)) {
-        goto out;
-    }
-
-    v->config_size = sizeof(struct virtio_9p_config) + strlen(s->fsconf.tag);
-    virtio_init(vdev, "virtio-9p", VIRTIO_ID_9P, v->config_size);
-    v->vq = virtio_add_queue(vdev, MAX_REQ, handle_9p_output);
-    v9fs_register_transport(s, &virtio_9p_transport);
-
-out:
-    return;
-}
-
-static void virtio_9p_device_unrealize(DeviceState *dev, Error **errp)
-{
-    VirtIODevice *vdev = VIRTIO_DEVICE(dev);
-    V9fsVirtioState *v = VIRTIO_9P(dev);
-    V9fsState *s = &v->state;
-
-    virtio_cleanup(vdev);
-    v9fs_device_unrealize_common(s, errp);
-}
-
 static void virtio_9p_reset(VirtIODevice *vdev)
 {
     V9fsVirtioState *v = (V9fsVirtioState *)vdev;
@@ -223,6 +192,35 @@ static const struct V9fsTransport virtio_9p_transport = {
     .push_and_notify = virtio_9p_push_and_notify,
 };
 
+static void virtio_9p_device_realize(DeviceState *dev, Error **errp)
+{
+    VirtIODevice *vdev = VIRTIO_DEVICE(dev);
+    V9fsVirtioState *v = VIRTIO_9P(dev);
+    V9fsState *s = &v->state;
+
+    if (v9fs_device_realize_common(s, errp)) {
+        goto out;
+    }
+
+    v->config_size = sizeof(struct virtio_9p_config) + strlen(s->fsconf.tag);
+    virtio_init(vdev, "virtio-9p", VIRTIO_ID_9P, v->config_size);
+    v->vq = virtio_add_queue(vdev, MAX_REQ, handle_9p_output);
+    v9fs_register_transport(s, &virtio_9p_transport);
+
+out:
+    return;
+}
+
+static void virtio_9p_device_unrealize(DeviceState *dev, Error **errp)
+{
+    VirtIODevice *vdev = VIRTIO_DEVICE(dev);
+    V9fsVirtioState *v = VIRTIO_9P(dev);
+    V9fsState *s = &v->state;
+
+    virtio_cleanup(vdev);
+    v9fs_device_unrealize_common(s, errp);
+}
+
 /* virtio-9p device */
 
 static const VMStateDescription vmstate_virtio_9p = {