From d412ace11144aa2bf692c7cf9778351efc15c827 Mon Sep 17 00:00:00 2001
From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Sun, 4 Feb 2024 10:47:05 -0300
Subject: [PATCH] workqueue: make wq_subsys const
Now that the driver core can properly handle constant struct bus_type,
move the wq_subsys 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-and-reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Signed-off-by: Tejun Heo <tj@kernel.org>
---
kernel/workqueue.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 55c9816506b06..695f6f5ad0382 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -6692,7 +6692,7 @@ static struct device_attribute wq_sysfs_unbound_attrs[] = {
__ATTR_NULL,
};
-static struct bus_type wq_subsys = {
+static const struct bus_type wq_subsys = {
.name = "workqueue",
.dev_groups = wq_sysfs_groups,
};