diff options
| author | Lars-Peter Clausen <lars@metafoo.de> | 2012-06-26 10:43:05 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-06-26 14:57:30 -0700 |
| commit | 90e6dc7c274dca8a9198e3525488ea991719a799 (patch) | |
| tree | 80c0cf43ce915bbd5871374d27b31ba14e64a816 /drivers/iio/adc | |
| parent | bb23378c0b1c9a410d40adea74276544a00fb94e (diff) | |
| download | linux-90e6dc7c274dca8a9198e3525488ea991719a799.tar.bz2 | |
iio:adc:at91: Relase mutex on error path in at91_adc_read_raw
This issue was reported by the mini_lock.cocci coccinelle semantic patch.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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 6a084695b77e..f61780a02374 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; |