This is a note to let you know that I've just added the patch titled iio: adc: berlin2-adc: Add missing of_node_put() in error path to the 4.19-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: iio-adc-berlin2-adc-add-missing-of_node_put-in-error-path.patch and it can be found in the queue-4.19 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From cbd3a0153cd18a2cbef6bf3cf31bb406c3fc9f55 Mon Sep 17 00:00:00 2001 From: Xiongfeng Wang <wangxiongfeng2@xxxxxxxxxx> Date: Tue, 29 Nov 2022 10:03:16 +0800 Subject: iio: adc: berlin2-adc: Add missing of_node_put() in error path From: Xiongfeng Wang <wangxiongfeng2@xxxxxxxxxx> commit cbd3a0153cd18a2cbef6bf3cf31bb406c3fc9f55 upstream. 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@xxxxxxxxxx> Link: https://lore.kernel.org/r/20221129020316.191731-1-wangxiongfeng2@xxxxxxxxxx Cc: <Stable@xxxxxxxxxxxxxxx> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- 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); Patches currently in stable-queue which might be from wangxiongfeng2@xxxxxxxxxx are queue-4.19/iio-adc-berlin2-adc-add-missing-of_node_put-in-error-path.patch