2024-02-09 07:05:23

by Ricardo B. Marliere

[permalink] [raw]
Subject: [PATCH 2/2] staging: vme: make vme_bus_type const

Now that the driver core can properly handle constant struct bus_type,
move the vme_bus_type variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.

Suggested-by: Greg Kroah-Hartman <[email protected]>
Signed-off-by: Ricardo B. Marliere <[email protected]>
---
drivers/staging/vme_user/vme.c | 2 +-
drivers/staging/vme_user/vme.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/vme_user/vme.c b/drivers/staging/vme_user/vme.c
index e9461a7a7ab8..0cd370ab1008 100644
--- a/drivers/staging/vme_user/vme.c
+++ b/drivers/staging/vme_user/vme.c
@@ -1970,7 +1970,7 @@ static void vme_bus_remove(struct device *dev)
driver->remove(vdev);
}

-struct bus_type vme_bus_type = {
+const struct bus_type vme_bus_type = {
.name = "vme",
.match = vme_bus_match,
.probe = vme_bus_probe,
diff --git a/drivers/staging/vme_user/vme.h b/drivers/staging/vme_user/vme.h
index 06504dccd5ff..26aa40f78a74 100644
--- a/drivers/staging/vme_user/vme.h
+++ b/drivers/staging/vme_user/vme.h
@@ -81,7 +81,7 @@ struct vme_resource {
struct list_head *entry;
};

-extern struct bus_type vme_bus_type;
+extern const struct bus_type vme_bus_type;

/* Number of VME interrupt vectors */
#define VME_NUM_STATUSID 256

--
2.43.0