linux-kernel - [PATCH] hsi: hsi_core: make hsi_bus

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Message-Id: <20240204-bus_cleanup-hsi-v1-1-f9318131e842@marliere.net>
Date: Sun, 04 Feb 2024 13:32:13 -0300
From: "Ricardo B. Marliere" <ricardo@...liere.net>
To: Sebastian Reichel <sre@...nel.org>
Cc: linux-kernel@...r.kernel.org, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 "Ricardo B. Marliere" <ricardo@...liere.net>
Subject: [PATCH] hsi: hsi_core: make hsi_bus_type const

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

diff --git a/drivers/hsi/hsi_core.c b/drivers/hsi/hsi_core.c
index acbf82f755a8..e3beeac8aee5 100644
--- a/drivers/hsi/hsi_core.c
+++ b/drivers/hsi/hsi_core.c
@@ -48,7 +48,7 @@ static int hsi_bus_match(struct device *dev, struct device_driver *driver)
 	return false;
 }

-static struct bus_type hsi_bus_type = {
+static const struct bus_type hsi_bus_type = {
 	.name		= "hsi",
 	.dev_groups	= hsi_bus_dev_groups,
 	.match		= hsi_bus_match,

---
base-commit: fa72d143471d04ce3055d8dad9743b08c19e4060
change-id: 20240204-bus_cleanup-hsi-99a65d337c7c

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