workqueue: move to use bus_get_dev_root()

Direct access to the struct bus_type dev_root pointer is going away soon
so replace that with a call to bus_get_dev_root() instead, which is what
it is there for.

Cc: Lai Jiangshan <jiangshanlai@gmail.com>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20230313182918.1312597-8-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2023-03-13 19:28:50 +01:00
parent db281d59e2
commit 686f669780

View File

@ -5826,13 +5826,19 @@ static struct device_attribute wq_sysfs_cpumask_attr =
static int __init wq_sysfs_init(void)
{
struct device *dev_root;
int err;
err = subsys_virtual_register(&wq_subsys, NULL);
if (err)
return err;
return device_create_file(wq_subsys.dev_root, &wq_sysfs_cpumask_attr);
dev_root = bus_get_dev_root(&wq_subsys);
if (dev_root) {
err = device_create_file(dev_root, &wq_sysfs_cpumask_attr);
put_device(dev_root);
}
return err;
}
core_initcall(wq_sysfs_init);