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-rw-r--r--drivers/iio/adc/meson_saradc.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/iio/adc/meson_saradc.c b/drivers/iio/adc/meson_saradc.c
index 29fa7736d80c..ede955d9b2a4 100644
--- a/drivers/iio/adc/meson_saradc.c
+++ b/drivers/iio/adc/meson_saradc.c
@@ -462,8 +462,10 @@ 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;