EDAC/sysfs: move to use bus_get_dev_root()
[linux-2.6-microblaze.git] / drivers / edac / edac_device_sysfs.c
index ac678b4..010c26b 100644 (file)
@@ -228,8 +228,9 @@ static struct kobj_type ktype_device_ctrl = {
  */
 int edac_device_register_sysfs_main_kobj(struct edac_device_ctl_info *edac_dev)
 {
+       struct device *dev_root;
        struct bus_type *edac_subsys;
-       int err;
+       int err = -ENODEV;
 
        edac_dbg(1, "\n");
 
@@ -247,15 +248,16 @@ int edac_device_register_sysfs_main_kobj(struct edac_device_ctl_info *edac_dev)
         */
        edac_dev->owner = THIS_MODULE;
 
-       if (!try_module_get(edac_dev->owner)) {
-               err = -ENODEV;
+       if (!try_module_get(edac_dev->owner))
                goto err_out;
-       }
 
        /* register */
-       err = kobject_init_and_add(&edac_dev->kobj, &ktype_device_ctrl,
-                                  &edac_subsys->dev_root->kobj,
-                                  "%s", edac_dev->name);
+       dev_root = bus_get_dev_root(edac_subsys);
+       if (dev_root) {
+               err = kobject_init_and_add(&edac_dev->kobj, &ktype_device_ctrl,
+                                          &dev_root->kobj, "%s", edac_dev->name);
+               put_device(dev_root);
+       }
        if (err) {
                edac_dbg(1, "Failed to register '.../edac/%s'\n",
                         edac_dev->name);