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| author | Jean-Baptiste Maneyrol <jmaneyrol@invensense.com> | 2018-04-23 12:33:33 +0200 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2018-04-28 16:55:48 +0100 |
| commit | 880b2d6cfdcacbade64fabf064856a7e7ac569fd (patch) | |
| tree | be58401f8f15e8b43c6e82cb6d8156fc17c8e1db /drivers/iio | |
| parent | 6792b4552b0a0b4abcc5410504a7a5716ab0e0fa (diff) | |
| download | op-kernel-dev-880b2d6cfdcacbade64fabf064856a7e7ac569fd.zip op-kernel-dev-880b2d6cfdcacbade64fabf064856a7e7ac569fd.tar.gz | |
iio: imu: inv_mpu6050: clean read channel data error path
Delete the useless ored result and give a second chance to turn
the chip back off at the end.
Signed-off-by: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio')
| -rw-r--r-- | drivers/iio/imu/inv_mpu6050/inv_mpu_core.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c index 79b44fd..aafa777 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c @@ -338,7 +338,7 @@ static int inv_mpu6050_read_channel_data(struct iio_dev *indio_dev, { struct inv_mpu6050_state *st = iio_priv(indio_dev); int result; - int ret = IIO_VAL_INT; + int ret; result = iio_device_claim_direct_mode(indio_dev); if (result) @@ -383,14 +383,18 @@ static int inv_mpu6050_read_channel_data(struct iio_dev *indio_dev, break; } -error_power_off: - result |= inv_mpu6050_set_power_itg(st, false); -error_release: - iio_device_release_direct_mode(indio_dev); + result = inv_mpu6050_set_power_itg(st, false); if (result) - return result; + goto error_power_off; + iio_device_release_direct_mode(indio_dev); return ret; + +error_power_off: + inv_mpu6050_set_power_itg(st, false); +error_release: + iio_device_release_direct_mode(indio_dev); + return result; } static int |
