iio: imu: st_lsm6dsx: unlock on error in st_lsm6dsx_shub_write_raw()

We need to release a lock if st_lsm6dsx_check_odr() fails, we can't
return directly.

Fixes: 76551a3c3df1 ("iio: imu: st_lsm6dsx: specify slave odr in slv_odr")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_shub.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_shub.c
index 64ef07a..1cf9819 100644 (file)
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_shub.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_shub.c
@@ -544,8 +544,10 @@ st_lsm6dsx_shub_write_raw(struct iio_dev *iio_dev,
 
                        ref_sensor = iio_priv(hw->iio_devs[ST_LSM6DSX_ID_ACC]);
                        odr = st_lsm6dsx_check_odr(ref_sensor, val, &odr_val);
-                       if (odr < 0)
-                               return odr;
+                       if (odr < 0) {
+                               err = odr;
+                               goto release;
+                       }
 
                        sensor->ext_info.slv_odr = val;
                        sensor->odr = odr;
@@ -557,6 +559,7 @@ st_lsm6dsx_shub_write_raw(struct iio_dev *iio_dev,
                break;
        }
 
+release:
        iio_device_release_direct_mode(iio_dev);
 
        return err;