[PATCH 5/7] iio: dac: ad5686: Use devm_mutex_init()

[David Carlier]

Use devm_mutex_init() which is helpful with CONFIG_DEBUG_MUTEXES.

Signed-off-by: David Carlier <devnexen@xxxxxxxxx>
---
 drivers/iio/dac/ad5686.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/iio/dac/ad5686.c b/drivers/iio/dac/ad5686.c
index 4b18498aa074..9a384c50929b 100644
--- a/drivers/iio/dac/ad5686.c
+++ b/drivers/iio/dac/ad5686.c
@@ -494,7 +494,9 @@ int ad5686_probe(struct device *dev,
 	indio_dev->channels = st->chip_info->channels;
 	indio_dev->num_channels = st->chip_info->num_channels;
 
-	mutex_init(&st->lock);
+	ret = devm_mutex_init(dev, &st->lock);
+	if (ret)
+		return ret;
 
 	switch (st->chip_info->regmap_type) {
 	case AD5310_REGMAP:
-- 
2.53.0