| Message ID | 20230111113018.459199-15-gregkh@linuxfoundation.org (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | c6e8418521a8fd2068ade2c6a1514315c99cc717 |
| Headers | show |
| Series | None | expand |
On 11.01.23 12:30, Greg Kroah-Hartman wrote: > 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> Acked-by: Juergen Gross <jgross@suse.com> Juergen
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 {
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(-)