From: Ricardo B. Marliere <ricardo@marliere.net>
Date: Sun, 4 Feb 2024 15:31:42 +0000 (-0300)
Subject: block: rbd: make rbd_bus_type const
X-Git-Tag: v6.9-rc1~214^2~136
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=052618c71c66d5de5e9b6cbcbad26932d951919c;p=thirdparty%2Fkernel%2Flinux.git

block: rbd: make rbd_bus_type const

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@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Alex Elder <elder@linaro.org>
Link: https://lore.kernel.org/r/20240204-bus_cleanup-block-v1-1-fc77afd8d7cc@marliere.net
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 12b5d53ec8564..00ca8a1d8c46f 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,
 };