Now that the driver core can properly handle constant struct bus_type,
move the ccw_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/cio/device.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index 0cfb179e1bcb..f95d12345d98 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -49,7 +49,7 @@ static const unsigned long recovery_delay[] = { 3, 30, 300 };
static atomic_t ccw_device_init_count = ATOMIC_INIT(0);
static DECLARE_WAIT_QUEUE_HEAD(ccw_device_init_wq);
-static struct bus_type ccw_bus_type;
+static const struct bus_type ccw_bus_type;
/******************* bus type handling ***********************/
@@ -1776,7 +1776,7 @@ static void ccw_device_shutdown(struct device *dev)
__disable_cmf(cdev);
}
-static struct bus_type ccw_bus_type = {
+static const struct bus_type ccw_bus_type = {
.name = "ccw",
.match = ccw_bus_match,
.uevent = ccw_uevent,
--
2.43.0
