linux-kernel - [PATCH] mcb: make mcb_bus

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Message-Id: <20240204-bus_cleanup-mcb-v1-1-d84b2ef51a0b@marliere.net>
Date: Sun, 04 Feb 2024 17:03:10 -0300
From: "Ricardo B. Marliere" <ricardo@...liere.net>
To: Johannes Thumshirn <morbidrsa@...il.com>
Cc: linux-kernel@...r.kernel.org, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 "Ricardo B. Marliere" <ricardo@...liere.net>
Subject: [PATCH] mcb: make mcb_bus_type const

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>
---
 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,

---
base-commit: 41b9fb381a486360b2daaec0c7480f8e3ff72bc7
change-id: 20240204-bus_cleanup-mcb-177eb2c2c02b

Best regards,
-- 
Ricardo B. Marliere <ricardo@...liere.net>