linux-kernel - [PATCH 2/2] platform: x86: ibm_rtl: make rtl

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Date: Sun, 04 Feb 2024 11:40:17 -0300
From: "Ricardo B. Marliere" <ricardo@...liere.net>
To: Armin Wolf <W_Armin@....de>, Hans de Goede <hdegoede@...hat.com>, 
 Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Cc: platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 "Ricardo B. Marliere" <ricardo@...liere.net>
Subject: [PATCH 2/2] platform: x86: ibm_rtl: make rtl_subsys const

Now that the driver core can properly handle constant struct bus_type,
move the rtl_subsys 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/platform/x86/ibm_rtl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/platform/x86/ibm_rtl.c b/drivers/platform/x86/ibm_rtl.c
index 2ab7d9ac542d..1d4bbae115f1 100644
--- a/drivers/platform/x86/ibm_rtl.c
+++ b/drivers/platform/x86/ibm_rtl.c
@@ -179,7 +179,7 @@ static ssize_t rtl_set_state(struct device *dev,
 	return ret;
 }

-static struct bus_type rtl_subsys = {
+static const struct bus_type rtl_subsys = {
 	.name = "ibm_rtl",
 	.dev_name = "ibm_rtl",
 };

-- 
2.43.0