On 2/19/24 5:47 AM, Ricardo B. Marliere wrote:
> Since commit aed65af1cc2f ("drivers: make device_type const"), the driver
> core can properly handle constant struct device_type. Move the
> dax_mapping_type variable to be a constant structure as well, placing it
> into read-only memory which can not be modified at runtime.
>
> Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
> Signed-off-by: Ricardo B. Marliere <rica...@marliere.net>
Reviewed-by: Dave Jiang <dave.ji...@intel.com>
> ---
> drivers/dax/bus.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/dax/bus.c b/drivers/dax/bus.c
> index 1ff1ab5fa105..e265ba019785 100644
> --- a/drivers/dax/bus.c
> +++ b/drivers/dax/bus.c
> @@ -763,7 +763,7 @@ static const struct attribute_group
> *dax_mapping_attribute_groups[] = {
> NULL,
> };
>
> -static struct device_type dax_mapping_type = {
> +static const struct device_type dax_mapping_type = {
> .release = dax_mapping_release,
> .groups = dax_mapping_attribute_groups,
> };
>
> ---
> base-commit: b401b621758e46812da61fa58a67c3fd8d91de0d
> change-id: 20240219-device_cleanup-dax-d82fd0c67ffd
>
> Best regards,
