This issue was reported by the mini_lock.cocci coccinelle semantic patch.
Signed-off-by: Lars-Peter Clausen <[email protected]>
Acked-by: Maxime Ripard <[email protected]>
Acked-by: Jonathan Cameron <[email protected]>
---
drivers/iio/adc/at91_adc.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c
index 6a08469..f61780a 100644
--- a/drivers/iio/adc/at91_adc.c
+++ b/drivers/iio/adc/at91_adc.c
@@ -349,9 +349,11 @@ static int at91_adc_read_raw(struct iio_dev *idev,
st->done,
msecs_to_jiffies(1000));
if (ret == 0)
- return -ETIMEDOUT;
- else if (ret < 0)
+ ret = -ETIMEDOUT;
+ if (ret < 0) {
+ mutex_unlock(&st->lock);
return ret;
+ }
*val = st->last_value;
--
1.7.10
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