diff options
| author | Gregor Boirie <gregor.boirie@parrot.com> | 2016-04-19 12:18:40 +0300 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2016-05-29 18:08:10 +0300 |
| commit | 14f295c846063c4f1812b09427195cee522aa006 (patch) | |
| tree | f989193531eba3ddb8970a5450bf43bd8e638511 /drivers/iio/gyro | |
| parent | 169a88c1ee19b0734c9703d51a6d8ebe538f5bc3 (diff) | |
| download | linux-14f295c846063c4f1812b09427195cee522aa006.tar.xz | |
iio:st_sensors: fix power regulator usage
Ensure failure to enable power regulators is properly handled.
Signed-off-by: Gregor Boirie <gregor.boirie@parrot.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio/gyro')
| -rw-r--r-- | drivers/iio/gyro/st_gyro_core.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/iio/gyro/st_gyro_core.c b/drivers/iio/gyro/st_gyro_core.c index 52a3c87c375c..ae1377da9a0b 100644 --- a/drivers/iio/gyro/st_gyro_core.c +++ b/drivers/iio/gyro/st_gyro_core.c @@ -425,13 +425,15 @@ int st_gyro_common_probe(struct iio_dev *indio_dev) indio_dev->info = &gyro_info; mutex_init(&gdata->tb.buf_lock); - st_sensors_power_enable(indio_dev); + err = st_sensors_power_enable(indio_dev); + if (err) + return err; err = st_sensors_check_device_support(indio_dev, ARRAY_SIZE(st_gyro_sensors_settings), st_gyro_sensors_settings); if (err < 0) - return err; + goto st_gyro_power_off; gdata->num_data_channels = ST_GYRO_NUMBER_DATA_CHANNELS; gdata->multiread_bit = gdata->sensor_settings->multi_read_bit; @@ -445,11 +447,11 @@ int st_gyro_common_probe(struct iio_dev *indio_dev) err = st_sensors_init_sensor(indio_dev, (struct st_sensors_platform_data *)&gyro_pdata); if (err < 0) - return err; + goto st_gyro_power_off; err = st_gyro_allocate_ring(indio_dev); if (err < 0) - return err; + goto st_gyro_power_off; if (irq > 0) { err = st_sensors_allocate_trigger(indio_dev, @@ -472,6 +474,8 @@ st_gyro_device_register_error: st_sensors_deallocate_trigger(indio_dev); st_gyro_probe_trigger_error: st_gyro_deallocate_ring(indio_dev); +st_gyro_power_off: + st_sensors_power_disable(indio_dev); return err; } |