Re: [PATCH] ata: pata_parport: make pata_parport_bus_type const

Niklas Cassel
2024-02-06T09:58:45Z

On Sun, Feb 04, 2024 at 12:23:29PM -0300, Ricardo B. Marliere wrote:
> Now that the driver core can properly handle constant struct bus_type,
> move the pata_parport_bus_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 <gregkh@linuxfoundation.org>
> Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
> ---
> drivers/ata/pata_parport/pata_parport.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/ata/pata_parport/pata_parport.c b/drivers/ata/pata_parport/pata_parport.c
> index a7adfdcb5e27..9a2cb9ca9d1d 100644
> --- a/drivers/ata/pata_parport/pata_parport.c
> +++ b/drivers/ata/pata_parport/pata_parport.c
> @@ -464,7 +464,7 @@ static void pata_parport_bus_release(struct device *dev)
> /* nothing to do here but required to avoid warning on device removal */
> }
>
> -static struct bus_type pata_parport_bus_type = {
> +static const struct bus_type pata_parport_bus_type = {
> .name = DRV_NAME,
> };
>
>
> ---
> base-commit: c8474c7273ac3bad718c33118aa82efb7b374f6e
> change-id: 20240204-bus_cleanup-ata-bd1625fdab09
>
> Best regards,
> --
> Ricardo B. Marliere <ricardo@marliere.net>
>