From: Shrikant Raskar <raskar.shree97@gmail.com>
Date: Wed, 28 Jan 2026 17:51:51 +0000 (+0530)
Subject: iio: proximity: rfd77402: Use devm-managed mutex initialization
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dff4bdff074e1f92874676bed57970d19e3a86bd;p=thirdparty%2Fkernel%2Flinux.git

iio: proximity: rfd77402: Use devm-managed mutex initialization

Use devm_mutex_init() to tie the mutex lifetime to the device and
improve debugging when CONFIG_DEBUG_MUTEXES is enabled.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Shrikant Raskar <raskar.shree97@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---

diff --git a/drivers/iio/proximity/rfd77402.c b/drivers/iio/proximity/rfd77402.c
index 3d5643663270..eec336bed424 100644
--- a/drivers/iio/proximity/rfd77402.c
+++ b/drivers/iio/proximity/rfd77402.c
@@ -287,7 +287,10 @@ 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;
 
 	indio_dev->info = &rfd77402_info;
 	indio_dev->channels = rfd77402_channels;