[PATCH 4/7] iio: dac: ad5755: 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/ad5755.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/iio/dac/ad5755.c b/drivers/iio/dac/ad5755.c
index d0e5f35462b1..cc6d56140d66 100644
--- a/drivers/iio/dac/ad5755.c
+++ b/drivers/iio/dac/ad5755.c
@@ -827,8 +827,9 @@ static int ad5755_probe(struct spi_device *spi)
 	indio_dev->modes = INDIO_DIRECT_MODE;
 	indio_dev->num_channels = AD5755_NUM_CHANNELS;
 
-	mutex_init(&st->lock);
-
+	ret = devm_mutex_init(&spi->dev, &st->lock);
+	if (ret)
+		return ret;
 
 	pdata = ad5755_parse_fw(&spi->dev);
 	if (!pdata) {
-- 
2.53.0