From cbd3a0153cd18a2cbef6bf3cf31bb406c3fc9f55 Mon Sep 17 00:00:00 2001
From: Xiongfeng Wang <wangxiongfeng2@huawei.com>
Date: Tue, 29 Nov 2022 10:03:16 +0800
Subject: [PATCH] iio: adc: berlin2-adc: Add missing of_node_put() in error path
Git-commit: cbd3a0153cd18a2cbef6bf3cf31bb406c3fc9f55
Patch-mainline: v6.2-rc7
References: git-fixes

of_get_parent() will return a device_node pointer with refcount
incremented. We need to use of_node_put() on it when done. Add the
missing of_node_put() in the error path of berlin2_adc_probe();

Fixes: 70f1937911ca ("iio: adc: add support for Berlin")
Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com>
Link: https://lore.kernel.org/r/20221129020316.191731-1-wangxiongfeng2@huawei.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/iio/adc/berlin2-adc.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/iio/adc/berlin2-adc.c
+++ b/drivers/iio/adc/berlin2-adc.c
@@ -289,8 +289,10 @@ static int berlin2_adc_probe(struct plat
 	int ret;
 
 	indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*priv));
-	if (!indio_dev)
+	if (!indio_dev) {
+		of_node_put(parent_np);
 		return -ENOMEM;
+	}
 
 	priv = iio_priv(indio_dev);
 	platform_set_drvdata(pdev, indio_dev);