linux-kernel - [PATCH] mei: bus: constify the struct mei_cl_bus

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Message-Id: <20240423024133.1890455-1-chentao@kylinos.cn>
Date: Tue, 23 Apr 2024 10:41:33 +0800
From: Kunwu Chan <chentao@...inos.cn>
To: tomas.winkler@...el.com,
	arnd@...db.de,
	gregkh@...uxfoundation.org,
	kunwu.chan@...mail.com
Cc: linux-kernel@...r.kernel.org,
	Kunwu Chan <chentao@...inos.cn>
Subject: [PATCH] mei: bus: constify the struct mei_cl_bus_type usage

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

Signed-off-by: Kunwu Chan <chentao@...inos.cn>
---
 drivers/misc/mei/bus.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c
index f9bcff197615..99393f610cdf 100644
--- a/drivers/misc/mei/bus.c
+++ b/drivers/misc/mei/bus.c
@@ -1327,7 +1327,7 @@ static int mei_cl_device_uevent(const struct device *dev, struct kobj_uevent_env
 	return 0;
 }
 
-static struct bus_type mei_cl_bus_type = {
+static const struct bus_type mei_cl_bus_type = {
 	.name		= "mei",
 	.dev_groups	= mei_cldev_groups,
 	.match		= mei_cl_device_match,
-- 
2.40.1