All other calls to ad_sigma_delta_set_channel() in ad_sigma_delta.c
check the return value afterwards. Do it for all calls.
Fixes: af3008485ea0 ("iio:adc: Add common code for ADI Sigma Delta devices")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxx>
---
drivers/iio/adc/ad_sigma_delta.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/iio/adc/ad_sigma_delta.c b/drivers/iio/adc/ad_sigma_delta.c
index fbe241b90f37..8be1717f034b 100644
--- a/drivers/iio/adc/ad_sigma_delta.c
+++ b/drivers/iio/adc/ad_sigma_delta.c
@@ -391,7 +391,9 @@ int ad_sigma_delta_single_conversion(struct iio_dev *indio_dev,
if (ret)
return ret;
- ad_sigma_delta_set_channel(sigma_delta, chan->address);
+ ret = ad_sigma_delta_set_channel(sigma_delta, chan->address);
+ if (ret)
+ goto out_release;
spi_bus_lock(sigma_delta->spi->controller);
sigma_delta->bus_locked = true;
@@ -432,6 +434,7 @@ int ad_sigma_delta_single_conversion(struct iio_dev *indio_dev,
sigma_delta->keep_cs_asserted = false;
sigma_delta->bus_locked = false;
spi_bus_unlock(sigma_delta->spi->controller);
+out_release:
iio_device_release_direct_mode(indio_dev);
if (ret)
--
2.47.1
