..except while in an error handler, where there is nothing
to be done anyway.
Signed-off-by: Daniel Baluta <daniel.bal...@intel.com>
---
drivers/iio/imu/kmx61.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/iio/imu/kmx61.c b/drivers/iio/imu/kmx61.c
index fe0cee7..e9cbd91 100644
--- a/drivers/iio/imu/kmx61.c
+++ b/drivers/iio/imu/kmx61.c
@@ -830,7 +830,12 @@ static int kmx61_read_raw(struct iio_dev *indio_dev,
}
mutex_lock(&data->lock);
- kmx61_set_power_state(data, true, chan->address);
+ ret = kmx61_set_power_state(data, true, chan->address);
+ if (ret) {
+ mutex_unlock(&data->lock);
+ return ret;
+ }
+
ret = kmx61_read_measurement(data, base_reg, chan->scan_index);
if (ret < 0) {
kmx61_set_power_state(data, false, chan->address);
@@ -839,9 +844,11 @@ static int kmx61_read_raw(struct iio_dev *indio_dev,
}
*val = sign_extend32(ret >> chan->scan_type.shift,
chan->scan_type.realbits - 1);
- kmx61_set_power_state(data, false, chan->address);
+ ret = kmx61_set_power_state(data, false, chan->address);
mutex_unlock(&data->lock);
+ if (ret)
+ return ret;
return IIO_VAL_INT;
case IIO_CHAN_INFO_SCALE:
switch (chan->type) {
--
1.9.1
--
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