The driver core is changing to pass some pointers as const, so move
to_xenbus_device() to use container_of_const() to handle this change.
to_xenbus_device() now properly keeps the const-ness of the pointer passed
into it, while as before it could be lost.
Cc: Juergen Gross <jgross@suse.com>
Cc: Stefano Stabellini <sstabellini@kernel.org>
Cc: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
Cc: xen-devel@lists.xenproject.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
include/xen/xenbus.h | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/include/xen/xenbus.h b/include/xen/xenbus.h
index eaa932b99d8a..b31f77f9c50c 100644
--- a/include/xen/xenbus.h
+++ b/include/xen/xenbus.h
@@ -96,10 +96,7 @@ struct xenbus_device {
unsigned int spurious_threshold;
};
-static inline struct xenbus_device *to_xenbus_device(struct device *dev)
-{
- return container_of(dev, struct xenbus_device, dev);
-}
+#define to_xenbus_device(__dev) container_of_const(__dev, struct xenbus_device, dev)
struct xenbus_device_id
{
--
2.39.0