linux-kernel - [PATCH 2/3] scsi: iscsi: make iscsi_flashnode

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Date: Sat, 03 Feb 2024 15:39:01 -0300
From: "Ricardo B. Marliere" <ricardo@...liere.net>
To: Hannes Reinecke <hare@...e.de>, 
 "James E.J. Bottomley" <jejb@...ux.ibm.com>, 
 "Martin K. Petersen" <martin.petersen@...cle.com>, 
 Lee Duncan <lduncan@...e.com>, Chris Leech <cleech@...hat.com>, 
 Mike Christie <michael.christie@...cle.com>
Cc: linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org, 
 open-iscsi@...glegroups.com, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 "Ricardo B. Marliere" <ricardo@...liere.net>
Subject: [PATCH 2/3] scsi: iscsi: make iscsi_flashnode_bus const

Now that the driver core can properly handle constant struct bus_type,
move the iscsi_flashnode_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/scsi/scsi_transport_iscsi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 3075b2ddf7a6..af3ac6346796 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -1201,7 +1201,7 @@ static const struct device_type iscsi_flashnode_conn_dev_type = {
 	.release = iscsi_flashnode_conn_release,
 };

-static struct bus_type iscsi_flashnode_bus;
+static const struct bus_type iscsi_flashnode_bus;

 int iscsi_flashnode_bus_match(struct device *dev,
 				     struct device_driver *drv)
@@ -1212,7 +1212,7 @@ int iscsi_flashnode_bus_match(struct device *dev,
 }
 EXPORT_SYMBOL_GPL(iscsi_flashnode_bus_match);

-static struct bus_type iscsi_flashnode_bus = {
+static const struct bus_type iscsi_flashnode_bus = {
 	.name = "iscsi_flashnode",
 	.match = &iscsi_flashnode_bus_match,
 };

-- 
2.43.0