linux-kernel - Re: [PATCH] ASoC: atmel: Fix error handling in sam9x5_wm8731_driver

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Date:   Wed, 16 Mar 2022 12:09:43 +0000
From:   <Codrin.Ciubotariu@...rochip.com>
To:     <linmq006@...il.com>, <lgirdwood@...il.com>, <broonie@...nel.org>,
        <perex@...ex.cz>, <tiwai@...e.com>, <Nicolas.Ferre@...rochip.com>,
        <alexandre.belloni@...tlin.com>, <Claudiu.Beznea@...rochip.com>,
        <richard.genoud@...il.com>, <alsa-devel@...a-project.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ASoC: atmel: Fix error handling in
 sam9x5_wm8731_driver_probe

On 16.03.2022 13:15, Miaoqian Lin wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> 
> The device_node pointer is returned by of_parse_phandle()  with refcount
> incremented. We should use of_node_put() on it when done.
> 
> This function only calls of_node_put() in the regular path.
> And it will cause refcount leak in error path.
> 
> Fixes: fdbcb3cba54b ("ASoC: atmel: machine driver for at91sam9x5-wm8731 boards")
> Signed-off-by: Miaoqian Lin <linmq006@...il.com>
Reviewed-by: Codrin Ciubotariu <codrin.ciubotariu@...rochip.com>

Thanks!