Re: [PATCH 2/3] scsi: iscsi: make iscsi_flashnode_bus const

From: Lee Duncan
Date: Sat Feb 03 2024 - 16:13:13 EST


On Sat, Feb 3, 2024 at 10:38 AM Ricardo B. Marliere
<ricardo@xxxxxxxxxxxx> wrote:
>
> Now that the driver core can properly handle constant struct bus_type,
> move the iscsi_flashnode_bus 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@xxxxxxxxxxxxxxxxxxx>
> Suggested-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Ricardo B. Marliere <ricardo@xxxxxxxxxxxx>
> ---
> drivers/scsi/scsi_transport_iscsi.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
> index 3075b2ddf7a6..af3ac6346796 100644
> --- a/drivers/scsi/scsi_transport_iscsi.c
> +++ b/drivers/scsi/scsi_transport_iscsi.c
> @@ -1201,7 +1201,7 @@ static const struct device_type iscsi_flashnode_conn_dev_type = {
> .release = iscsi_flashnode_conn_release,
> };
>
> -static struct bus_type iscsi_flashnode_bus;
> +static const struct bus_type iscsi_flashnode_bus;
>
> int iscsi_flashnode_bus_match(struct device *dev,
> struct device_driver *drv)
> @@ -1212,7 +1212,7 @@ int iscsi_flashnode_bus_match(struct device *dev,
> }
> EXPORT_SYMBOL_GPL(iscsi_flashnode_bus_match);
>
> -static struct bus_type iscsi_flashnode_bus = {
> +static const struct bus_type iscsi_flashnode_bus = {
> .name = "iscsi_flashnode",
> .match = &iscsi_flashnode_bus_match,
> };
>
> --
> 2.43.0
>

Reviewed-by: Lee Duncan <lduncan@xxxxxxxx>