[PATCH 5/6] s390: AP: make ap_bus_type const

Ricardo B. Marliere
2024-02-03T14:57:59Z

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,

--
2.43.0