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From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Wed, 14 Feb 2024 16:15:00 -0300
Subject: [PATCH] kunit: make kunit_bus_type const
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Message-Id: <20240214-bus_cleanup-kunit-v1-1-1a38323eed73@marliere.net>
To: Brendan Higgins <brendan.higgins@linux.dev>, 
 David Gow <davidgow@google.com>
Cc: linux-kselftest@vger.kernel.org, kunit-dev@googlegroups.com, 
 linux-kernel@vger.kernel.org, 
 Greg Kroah-Hartman <gregkh@linuxfoundation.org>, 
 "Ricardo B. Marliere" <ricardo@marliere.net>

Since commit d492cc2573a0 ("driver core: device.h: make struct
bus_type a const *"), the driver core can properly handle constant
struct bus_type, move the kunit_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@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
---
 lib/kunit/device.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/kunit/device.c b/lib/kunit/device.c
index f5371287b375..d23b8fb166d8 100644
--- a/lib/kunit/device.c
+++ b/lib/kunit/device.c
@@ -35,7 +35,7 @@ struct kunit_device {
 
 #define to_kunit_device(d) container_of_const(d, struct kunit_device, dev)
 
-static struct bus_type kunit_bus_type = {
+static const struct bus_type kunit_bus_type = {
 	.name		= "kunit",
 };
 

---
base-commit: 76021a887a50892fd969cd42a5f3467f5696e50e
change-id: 20240214-bus_cleanup-kunit-840cd37b0e10

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