Merge tag 'iio-for-4.18a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23...

[linux-2.6-microblaze.git] / drivers / iio / adc / meson_saradc.c

diff --git a/drivers/iio/adc/meson_saradc.c b/drivers/iio/adc/meson_saradc.c
index a5d481a..2948909 100644 (file)
--- a/drivers/iio/adc/meson_saradc.c
+++ b/drivers/iio/adc/meson_saradc.c
@@ -466,8 +466,10 @@ static int meson_sar_adc_lock(struct iio_dev *indio_dev)
                        regmap_read(priv->regmap, MESON_SAR_ADC_DELAY, &val);
                } while (val & MESON_SAR_ADC_DELAY_BL30_BUSY && timeout--);
 
-               if (timeout < 0)
+               if (timeout < 0) {
+                       mutex_unlock(&indio_dev->mlock);
                        return -ETIMEDOUT;
+               }
        }
 
        return 0;