linux-kernel - Re: [PATCH] ASoC: SOF: Add missing of_node_put() in imx8m

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Message-ID: <886a7712-ffdc-4d0c-fde5-5498b84e416c@linux.intel.com>
Date:   Tue, 8 Mar 2022 13:30:41 +0200
From:   Péter Ujfalusi <peter.ujfalusi@...ux.intel.com>
To:     Miaoqian Lin <linmq006@...il.com>,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
        Kai Vehmanen <kai.vehmanen@...ux.intel.com>,
        Daniel Baluta <daniel.baluta@....com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Viorel Suman <viorel.suman@....com>,
        sound-open-firmware@...a-project.org, alsa-devel@...a-project.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ASoC: SOF: Add missing of_node_put() in imx8m_probe



On 08/03/2022 04:33, Miaoqian Lin wrote:
> The device_node pointer is returned by of_parse_phandle()  with refcount
> incremented. We should use of_node_put() on it when done.

Reviewed-by: Peter Ujfalusi <peter.ujfalusi@...ux.intel.com>

> Fixes: afb93d716533 ("ASoC: SOF: imx: Add i.MX8M HW support")
> Signed-off-by: Miaoqian Lin <linmq006@...il.com>
> ---
>  sound/soc/sof/imx/imx8m.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/sound/soc/sof/imx/imx8m.c b/sound/soc/sof/imx/imx8m.c
> index 788e77bcb603..60251486b24b 100644
> --- a/sound/soc/sof/imx/imx8m.c
> +++ b/sound/soc/sof/imx/imx8m.c
> @@ -224,6 +224,7 @@ static int imx8m_probe(struct snd_sof_dev *sdev)
>  	}
>  
>  	ret = of_address_to_resource(res_node, 0, &res);
> +	of_node_put(res_node);
>  	if (ret) {
>  		dev_err(&pdev->dev, "failed to get reserved region address\n");
>  		goto exit_pdev_unregister;

-- 
Péter