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Date: Sat, 03 Feb 2024 11:58:02 -0300
From: "Ricardo B. Marliere" <ricardo@...liere.net>
To: Vineeth Vijayan <vneethv@...ux.ibm.com>, 
 Peter Oberparleiter <oberpar@...ux.ibm.com>, 
 Heiko Carstens <hca@...ux.ibm.com>, Vasily Gorbik <gor@...ux.ibm.com>, 
 Alexander Gordeev <agordeev@...ux.ibm.com>, 
 Christian Borntraeger <borntraeger@...ux.ibm.com>, 
 Sven Schnelle <svens@...ux.ibm.com>, 
 Harald Freudenberger <freude@...ux.ibm.com>, 
 Tony Krowiak <akrowiak@...ux.ibm.com>, Halil Pasic <pasic@...ux.ibm.com>, 
 Jason Herne <jjherne@...ux.ibm.com>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org, 
 "Ricardo B. Marliere" <ricardo@...liere.net>
Subject: [PATCH 5/6] s390: AP: make ap_bus_type const

Now that the driver core can properly handle constant struct bus_type,
move the ap_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/s390/crypto/ap_bus.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index f46dd6abacd7..2ecf4d36e78b 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -135,7 +135,7 @@ static int ap_max_domain_id = 15;
 /* Maximum adapter id, if not given via qci */
 static int ap_max_adapter_id = 63;
 
-static struct bus_type ap_bus_type;
+static const struct bus_type ap_bus_type;
 
 /* Adapter interrupt definitions */
 static void ap_interrupt_handler(struct airq_struct *airq,
@@ -1603,7 +1603,7 @@ static struct attribute *ap_bus_attrs[] = {
 };
 ATTRIBUTE_GROUPS(ap_bus);
 
-static struct bus_type ap_bus_type = {
+static const struct bus_type ap_bus_type = {
 	.name = "ap",
 	.bus_groups = ap_bus_groups,
 	.match = &ap_bus_match,

-- 
2.43.0


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