linux-kernel - [PATCH] intel_th: make intel_th

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Message-Id: <20240204-bus_cleanup-hwtracing-v1-1-23adbf4e6bb5@marliere.net>
Date: Sun, 04 Feb 2024 16:52:18 -0300
From: "Ricardo B. Marliere" <ricardo@...liere.net>
To: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: linux-kernel@...r.kernel.org, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 "Ricardo B. Marliere" <ricardo@...liere.net>
Subject: [PATCH] intel_th: make intel_th_bus const

Now that the driver core can properly handle constant struct bus_type,
move the intel_th_bus 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/hwtracing/intel_th/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hwtracing/intel_th/core.c b/drivers/hwtracing/intel_th/core.c
index cc7f879bb175..7df56b4093f8 100644
--- a/drivers/hwtracing/intel_th/core.c
+++ b/drivers/hwtracing/intel_th/core.c
@@ -166,7 +166,7 @@ static void intel_th_remove(struct device *dev)
 	pm_runtime_enable(dev);
 }

-static struct bus_type intel_th_bus = {
+static const struct bus_type intel_th_bus = {
 	.name		= "intel_th",
 	.match		= intel_th_match,
 	.probe		= intel_th_probe,

---
base-commit: 41b9fb381a486360b2daaec0c7480f8e3ff72bc7
change-id: 20240204-bus_cleanup-hwtracing-49f176bf033e

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