The driver core is changing to pass some pointers as const, so move
dev_to_virtio() to use container_of_const() to handle this change.
dev_to_virtio() now properly keeps the const-ness of the pointer passed
into it, while as before it could be lost.
Cc: "Michael S. Tsirkin" <mst@xxxxxxxxxx>
Cc: Jason Wang <jasowang@xxxxxxxxxx>
Cc: virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
include/linux/virtio.h | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/include/linux/virtio.h b/include/linux/virtio.h
index dcab9c7e8784..2b472514c49b 100644
--- a/include/linux/virtio.h
+++ b/include/linux/virtio.h
@@ -127,10 +127,7 @@ struct virtio_device {
void *priv;
};
-static inline struct virtio_device *dev_to_virtio(struct device *_dev)
-{
- return container_of(_dev, struct virtio_device, dev);
-}
+#define dev_to_virtio(_dev) container_of_const(_dev, struct virtio_device, dev)
void virtio_add_status(struct virtio_device *dev, unsigned int status);
int register_virtio_device(struct virtio_device *dev);
--
2.39.0
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