diff options
Diffstat (limited to 'drivers/iio/adc')
| -rw-r--r-- | drivers/iio/adc/at91_adc.c | 6 |
1 files 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; |