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SubjectRe: [PATCH 5/6] s390: AP: make ap_bus_type const
On 2024-02-03 15:58, Ricardo B. Marliere wrote:
> Now that the driver core can properly handle constant struct bus_type,
> move the ap_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/s390/crypto/ap_bus.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/s390/crypto/ap_bus.c
> b/drivers/s390/crypto/ap_bus.c
> index f46dd6abacd7..2ecf4d36e78b 100644
> --- a/drivers/s390/crypto/ap_bus.c
> +++ b/drivers/s390/crypto/ap_bus.c
> @@ -135,7 +135,7 @@ static int ap_max_domain_id = 15;
> /* Maximum adapter id, if not given via qci */
> static int ap_max_adapter_id = 63;
>
> -static struct bus_type ap_bus_type;
> +static const struct bus_type ap_bus_type;
>
> /* Adapter interrupt definitions */
> static void ap_interrupt_handler(struct airq_struct *airq,
> @@ -1603,7 +1603,7 @@ static struct attribute *ap_bus_attrs[] = {
> };
> ATTRIBUTE_GROUPS(ap_bus);
>
> -static struct bus_type ap_bus_type = {
> +static const struct bus_type ap_bus_type = {
> .name = "ap",
> .bus_groups = ap_bus_groups,
> .match = &ap_bus_match,

Reviewed-by: Harald Freudenberger <freude@linux.ibm.com>

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