linux-kernel - Re: [PATCH] ata: pata_parport: make pata_parport_bus

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Message-ID: <ZcICztae//cs8tep@x1-carbon>
Date: Tue, 6 Feb 2024 10:58:38 +0100
From: Niklas Cassel <cassel@...nel.org>
To: "Ricardo B. Marliere" <ricardo@...liere.net>
Cc: Damien Le Moal <dlemoal@...nel.org>, linux-ide@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [PATCH] ata: pata_parport: make pata_parport_bus_type const

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@...uxfoundation.org>
> Suggested-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Signed-off-by: Ricardo B. Marliere <ricardo@...liere.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@...liere.net>
> 

Applied:
https://git.kernel.org/pub/scm/linux/kernel/git/libata/linux.git/log/?h=for-6.9