virtio: use dev_to_virtio wrapper in virtio
Use dev_to_virtio wrapper in virtio to make code clearly.
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
diff --git a/include/linux/virtio.h b/include/linux/virtio.h
index 4b8f17d..5f1f80c 100644
--- a/include/linux/virtio.h
+++ b/include/linux/virtio.h
@@ -85,7 +85,11 @@
void *priv;
};
-#define dev_to_virtio(dev) container_of(dev, struct virtio_device, dev)
+static inline struct virtio_device *dev_to_virtio(struct device *_dev)
+{
+ return container_of(_dev, struct virtio_device, dev);
+}
+
int register_virtio_device(struct virtio_device *dev);
void unregister_virtio_device(struct virtio_device *dev);