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From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Sun, 04 Feb 2024 13:22:00 -0300
Subject: [PATCH 1/2] ntb: ntb_transport: make ntb_transport_bus const
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Message-Id: <20240204-bus_cleanup-ntb-v1-1-155184f60d5f@marliere.net>
References: <20240204-bus_cleanup-ntb-v1-0-155184f60d5f@marliere.net>
In-Reply-To: <20240204-bus_cleanup-ntb-v1-0-155184f60d5f@marliere.net>
To: Jon Mason <jdmason@kudzu.us>, Dave Jiang <dave.jiang@intel.com>, 
 Allen Hubbe <allenbh@gmail.com>
Cc: ntb@lists.linux.dev, linux-kernel@vger.kernel.org, 
 Greg Kroah-Hartman <gregkh@linuxfoundation.org>, 
 "Ricardo B. Marliere" <ricardo@marliere.net>

Now that the driver core can properly handle constant struct bus_type,
move the ntb_transport_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@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
---
 drivers/ntb/ntb_transport.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/ntb/ntb_transport.c b/drivers/ntb/ntb_transport.c
index f9e7847a378e..0291d80611dc 100644
--- a/drivers/ntb/ntb_transport.c
+++ b/drivers/ntb/ntb_transport.c
@@ -314,7 +314,7 @@ static void ntb_transport_bus_remove(struct device *dev)
 	put_device(dev);
 }
 
-static struct bus_type ntb_transport_bus = {
+static const struct bus_type ntb_transport_bus = {
 	.name = "ntb_transport",
 	.match = ntb_transport_bus_match,
 	.probe = ntb_transport_bus_probe,

-- 
2.43.0