All other calls to ad_sigma_delta_set_channel() in ad_sigma_delta.c check the return value afterwards. Do it for all calls. 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 d91a3ba127e3..6c37f8e21120 100644 --- a/drivers/iio/adc/ad_sigma_delta.c +++ b/drivers/iio/adc/ad_sigma_delta.c @@ -390,7 +390,9 @@ int ad_sigma_delta_single_conversion(struct iio_dev *indio_dev, if (!iio_device_claim_direct(indio_dev)) return -EBUSY; - 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; @@ -431,6 +433,7 @@ 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(indio_dev); if (ret) -- 2.47.1
