linux-kernel - [PATCH 1/3] scsi: fcoe: make fcoe_bus

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Date: Sat, 03 Feb 2024 15:39:00 -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 1/3] scsi: fcoe: make fcoe_bus_type const

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

diff --git a/drivers/scsi/fcoe/fcoe_sysfs.c b/drivers/scsi/fcoe/fcoe_sysfs.c
index c64a085a7ee2..453665ac6020 100644
--- a/drivers/scsi/fcoe/fcoe_sysfs.c
+++ b/drivers/scsi/fcoe/fcoe_sysfs.c
@@ -597,7 +597,7 @@ static const struct attribute_group *fcoe_fcf_attr_groups[] = {
 	NULL,
 };

-static struct bus_type fcoe_bus_type;
+static const struct bus_type fcoe_bus_type;

 static int fcoe_bus_match(struct device *dev,
 			  struct device_driver *drv)
@@ -664,7 +664,7 @@ static struct attribute *fcoe_bus_attrs[] = {
 };
 ATTRIBUTE_GROUPS(fcoe_bus);

-static struct bus_type fcoe_bus_type = {
+static const struct bus_type fcoe_bus_type = {
 	.name = "fcoe",
 	.match = &fcoe_bus_match,
 	.bus_groups = fcoe_bus_groups,

-- 
2.43.0