linux-kernel - [PATCH] scsi: tcm_loop: make tcm_loop_lld

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Date: Sun, 04 Feb 2024 17:48:26 -0300
From: "Ricardo B. Marliere" <ricardo@...liere.net>
To: "Martin K. Petersen" <martin.petersen@...cle.com>
Cc: linux-scsi@...r.kernel.org, target-devel@...r.kernel.org, 
 linux-kernel@...r.kernel.org, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 "Ricardo B. Marliere" <ricardo@...liere.net>
Subject: [PATCH] scsi: tcm_loop: make tcm_loop_lld_bus const

Now that the driver core can properly handle constant struct bus_type,
move the tcm_loop_lld_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/target/loopback/tcm_loop.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/target/loopback/tcm_loop.c b/drivers/target/loopback/tcm_loop.c
index 8e4035ff3674..761c511aea07 100644
--- a/drivers/target/loopback/tcm_loop.c
+++ b/drivers/target/loopback/tcm_loop.c
@@ -83,7 +83,7 @@ static int tcm_loop_show_info(struct seq_file *m, struct Scsi_Host *host)
 static int tcm_loop_driver_probe(struct device *);
 static void tcm_loop_driver_remove(struct device *);

-static struct bus_type tcm_loop_lld_bus = {
+static const struct bus_type tcm_loop_lld_bus = {
 	.name			= "tcm_loop_bus",
 	.probe			= tcm_loop_driver_probe,
 	.remove			= tcm_loop_driver_remove,

---
base-commit: 3f90ac7138edb995b4312221647b58afcc15ec06
change-id: 20240204-bus_cleanup-target-5393cf09c658

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