[4/6] s390: cio: make scm_bus_type const

Message ID 20240203-bus_cleanup-s390-v1-4-ac891afc7282@marliere.net
State New
Headers
Series s390: struct bus_type cleanup |

Commit Message

Ricardo B. Marliere Feb. 3, 2024, 2:58 p.m. UTC
  Now that the driver core can properly handle constant struct bus_type,
move the scm_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/cio/scm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
  

Patch

diff --git a/drivers/s390/cio/scm.c b/drivers/s390/cio/scm.c
index 6b21ba68c1fe..375cbfa31b53 100644
--- a/drivers/s390/cio/scm.c
+++ b/drivers/s390/cio/scm.c
@@ -42,7 +42,7 @@  static int scmdev_uevent(const struct device *dev, struct kobj_uevent_env *env)
 	return add_uevent_var(env, "MODALIAS=scm:scmdev");
 }
 
-static struct bus_type scm_bus_type = {
+static const struct bus_type scm_bus_type = {
 	.name  = "scm",
 	.probe = scmdev_probe,
 	.remove = scmdev_remove,