linux-kernel - [PATCH] sparc: vio: make vio_bus

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Date: Sun, 04 Feb 2024 12:19:50 -0300
From: "Ricardo B. Marliere" <ricardo@...liere.net>
To: "David S. Miller" <davem@...emloft.net>
Cc: sparclinux@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 "Ricardo B. Marliere" <ricardo@...liere.net>
Subject: [PATCH] sparc: vio: make vio_bus_type const

Now that the driver core can properly handle constant struct bus_type,
move the vio_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>
---
 arch/sparc/kernel/vio.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/sparc/kernel/vio.c b/arch/sparc/kernel/vio.c
index 4f57056ed463..5cad16d81e3f 100644
--- a/arch/sparc/kernel/vio.c
+++ b/arch/sparc/kernel/vio.c
@@ -151,7 +151,7 @@ static struct attribute *vio_dev_attrs[] = {
  };
 ATTRIBUTE_GROUPS(vio_dev);

-static struct bus_type vio_bus_type = {
+static const struct bus_type vio_bus_type = {
 	.name		= "vio",
 	.dev_groups	= vio_dev_groups,
 	.uevent         = vio_hotplug,

---
base-commit: 2d2b17d08bfc3d98cf93622e8c6543eaaf02dabe
change-id: 20240204-bus_cleanup-sparc-9581a9b88ef9

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