From: Shrikant Raskar <raskar.shree97@gmail.com>

Use devm_mutex_init() to tie the mutex lifetime to the device and
simplify resource lifetime management.

Signed-off-by: Shrikant Raskar <raskar.shree97@gmail.com>
---
 drivers/iio/proximity/rfd77402.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/iio/proximity/rfd77402.c b/drivers/iio/proximity/rfd77402.c
index dd79c9ee838b..43ace2beef7e 100644
--- a/drivers/iio/proximity/rfd77402.c
+++ b/drivers/iio/proximity/rfd77402.c
@@ -359,7 +359,10 @@ static int rfd77402_probe(struct i2c_client *client)
 
 	data = iio_priv(indio_dev);
 	data->client = client;
-	mutex_init(&data->lock);
+	ret = devm_mutex_init(&client->dev, &data->lock);
+	if (ret)
+		return ret;
+
 	init_completion(&data->completion);
 	i2c_set_clientdata(client, indio_dev);
 

-- 
2.43.0