Merge branch 'upstream' into for-linus
[firefly-linux-kernel-4.4.55.git] / drivers / hid / hidraw.c
index c46c5f1037f4bfaed739e5ca9d164df326fbeb0b..17d15bb610d15ac4b544e11af3007cd5b6357fd8 100644 (file)
@@ -522,21 +522,28 @@ int __init hidraw_init(void)
 
        if (result < 0) {
                pr_warn("can't get major number\n");
-               result = 0;
                goto out;
        }
 
        hidraw_class = class_create(THIS_MODULE, "hidraw");
        if (IS_ERR(hidraw_class)) {
                result = PTR_ERR(hidraw_class);
-               unregister_chrdev(hidraw_major, "hidraw");
-               goto out;
+               goto error_cdev;
        }
 
         cdev_init(&hidraw_cdev, &hidraw_ops);
-        cdev_add(&hidraw_cdev, dev_id, HIDRAW_MAX_DEVICES);
+       result = cdev_add(&hidraw_cdev, dev_id, HIDRAW_MAX_DEVICES);
+       if (result < 0)
+               goto error_class;
+
 out:
        return result;
+
+error_class:
+       class_destroy(hidraw_class);
+error_cdev:
+       unregister_chrdev_region(dev_id, HIDRAW_MAX_DEVICES);
+       goto out;
 }
 
 void hidraw_exit(void)