iio: accel: adxl313: add missing error check in predisable

Check the return value of the FIFO bypass regmap_write() before
proceeding to disable interrupts.

Fixes: ff8093fa6ba4 ("iio: accel: adxl313: add buffered FIFO watermark with interrupt handling")
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/accel/adxl313_core.c b/drivers/iio/accel/adxl313_core.c
index 9f5d4d2cb325b3b6b2e7d70c96748d74b0aaa071..83dcac17a0425fe62acb07fe233ce0a7a87f780e 100644 (file)
--- a/drivers/iio/accel/adxl313_core.c
+++ b/drivers/iio/accel/adxl313_core.c
@@ -998,6 +998,8 @@ static int adxl313_buffer_predisable(struct iio_dev *indio_dev)
 
        ret = regmap_write(data->regmap, ADXL313_REG_FIFO_CTL,
                           FIELD_PREP(ADXL313_REG_FIFO_CTL_MODE_MSK, ADXL313_FIFO_BYPASS));
+       if (ret)
+               return ret;
 
        ret = regmap_write(data->regmap, ADXL313_REG_INT_ENABLE, 0);
        if (ret)