iio:prox:sx9500 trivial simplification of return path in init function.

Signed-off-by: NJonathan Cameron <jic23@kernel.org>
Reported-by: Nkbuild test robot <fengguang.wu@intel.com>
Cc: Vlad Dogaru <vlad.dogaru@intel.com>

drivers/iio/proximity/sx9500.c

@@ -859,11 +859,7 @@ static int sx9500_init_device(struct iio_dev *indio_dev)
 			return ret;
 	}
 
-	ret = sx9500_init_compensation(indio_dev);
-	if (ret < 0)
-		return ret;
-
-	return 0;
+	return sx9500_init_compensation(indio_dev);
 }
 
 static void sx9500_gpio_probe(struct i2c_client *client,