If device_register() fails then call put_device().
See comment to device_register.
Signed-off-by: Vasiliy Kulikov <segooon@gmail.com>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
        error = device_register(&bus->dev);
        if (error) {
                pr_err("Zorro: Error registering zorro_bus\n");
+               put_device(&bus->dev);
                kfree(bus);
                return error;
        }
                if (error) {
                        dev_err(&bus->dev, "Error registering device %s\n",
                                z->name);
+                       put_device(&z->dev);
                        continue;
                }
                error = zorro_create_sysfs_dev_files(z);