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@xxxxxxxxxxxxxxxxxxx> Suggested-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Ricardo B. Marliere <ricardo@xxxxxxxxxxxx> --- 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, -- 2.43.0