Re: [PATCH] block: rbd: make rbd_bus_type const

From: Alex Elder
Date: Sun Feb 04 2024 - 16:06:44 EST


On 2/4/24 9:31 AM, Ricardo B. Marliere wrote:
Now that the driver core can properly handle constant struct bus_type,
move the rbd_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>

Great!

Reviewed-by: Alex Elder <elder@xxxxxxxxxx>

---
drivers/block/rbd.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 0202a4e5d6cf..21f2b9e9b9ff 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -575,7 +575,7 @@ static const struct attribute_group rbd_bus_group = {
};
__ATTRIBUTE_GROUPS(rbd_bus);
-static struct bus_type rbd_bus_type = {
+static const struct bus_type rbd_bus_type = {
.name = "rbd",
.bus_groups = rbd_bus_groups,
};

---
base-commit: aa826a9b19b93bf8aabc462381ae436a60b2a320
change-id: 20240204-bus_cleanup-block-9986bfea7975

Best regards,