If device_register() fails then call put_device().
See comment to device_register.
Signed-off-by: Vasiliy Kulikov <segooon@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
        dev_set_name(&rdev->dev, "regulator.%d",
                     atomic_inc_return(®ulator_no) - 1);
        ret = device_register(&rdev->dev);
-       if (ret != 0)
+       if (ret != 0) {
+               put_device(&rdev->dev);
                goto clean;
+       }
 
        dev_set_drvdata(&rdev->dev, rdev);