linux-kernel - [PATCH 1/1] mcb: make mcb_bus

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Date: Tue, 27 Feb 2024 12:40:29 +0100
From: Johannes Thumshirn <jth@...nel.org>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: "Ricardo B . Marliere" <ricardo@...liere.net>,
	linux-kernel@...r.kernel.org,
	Johannes Thumshirn <jth@...nel.org>
Subject: [PATCH 1/1] mcb: make mcb_bus_type const

From: "Ricardo B. Marliere" <ricardo@...liere.net>

Now that the driver core can properly handle constant struct bus_type,
move the mcb_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@...uxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@...liere.net>
Reviewed-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Reviewed-by: Johannes Thumshirn <jth@...nel.org>
Signed-off-by: Johannes Thumshirn <jth@...nel.org>
---
 drivers/mcb/mcb-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mcb/mcb-core.c b/drivers/mcb/mcb-core.c
index 61994da7bad0..0c939f867f0d 100644
--- a/drivers/mcb/mcb-core.c
+++ b/drivers/mcb/mcb-core.c
@@ -156,7 +156,7 @@ static const struct attribute_group *mcb_carrier_groups[] = {
 };
 
 
-static struct bus_type mcb_bus_type = {
+static const struct bus_type mcb_bus_type = {
 	.name = "mcb",
 	.match = mcb_match,
 	.uevent = mcb_uevent,
-- 
2.35.3