diff --git a/drivers/staging/iio/adc/adt7410.c b/drivers/staging/iio/adc/adt7410.c
index 5e93d868b3fe..6493cd0a48dd 100644
--- a/drivers/staging/iio/adc/adt7410.c
+++ b/drivers/staging/iio/adc/adt7410.c
@@ -181,7 +181,7 @@ static ssize_t adt7410_store_mode(struct device *dev,
 
 	chip->config = config;
 
-	return ret;
+	return len;
 }
 
 static IIO_DEVICE_ATTR(mode, S_IRUGO | S_IWUSR,