sh: intc: 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: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Rich Felker <dalias@libc.org>
Cc: linux-sh@vger.kernel.org
Acked-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Link: https://lore.kernel.org/r/20230313182918.1312597-17-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/sh/intc/userimask.c b/drivers/sh/intc/userimask.c
index f9f043a..abe9091 100644 (file)
--- a/drivers/sh/intc/userimask.c
+++ b/drivers/sh/intc/userimask.c
@@ -61,10 +61,18 @@ static DEVICE_ATTR(userimask, S_IRUSR | S_IWUSR,
 
 static int __init userimask_sysdev_init(void)
 {
+       struct device *dev_root;
+       int ret = 0;
+
        if (unlikely(!uimask))
                return -ENXIO;
 
-       return device_create_file(intc_subsys.dev_root, &dev_attr_userimask);
+       dev_root = bus_get_dev_root(&intc_subsys);
+       if (dev_root) {
+               ret = device_create_file(dev_root, &dev_attr_userimask);
+               put_device(dev_root);
+       }
+       return ret;
 }
 late_initcall(userimask_sysdev_init);