iio staging: fix lis3l02dq, read error handling

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

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/staging/iio/accel/lis3l02dq_core.c b/drivers/staging/iio/accel/lis3l02dq_core.c
index 1bfe5d81792b..8ed75a94f465 100644
--- 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;