iio staging: fix lis3l02dq, read error handling

Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/staging/iio/accel/lis3l02dq_core.c b/drivers/staging/iio/accel/lis3l02dq_core.c
index 1bfe5d81792ba47c9aae04eeb9f0174e9653289e..8ed75a94f4658b73babc284a5d3f3b87f63073a5 100644 (file)
--- a/drivers/staging/iio/accel/lis3l02dq_core.c
+++ b/drivers/staging/iio/accel/lis3l02dq_core.c
@@ -257,6 +257,8 @@ static int lis3l02dq_read_raw(struct iio_dev *indio_dev,
                        ret = lis3l02dq_read_reg_s16(indio_dev, reg, val);
                }
                mutex_unlock(&indio_dev->mlock);
+               if (ret < 0)
+                       goto error_ret;
                return IIO_VAL_INT;
        case IIO_CHAN_INFO_SCALE:
                *val = 0;