linux-kernel - Re: [PATCH 4/4] pinctrl: renesas: rza2: Fix missing of_node

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Message-ID: <CA+V-a8t1W+fN4TfBwZu+UsgOEjame4dcBeKMc-W8XAVcnEwBbQ@mail.gmail.com>
Date: Wed, 5 Mar 2025 21:32:18 +0000
From: "Lad, Prabhakar" <prabhakar.csengg@...il.com>
To: Fabrizio Castro <fabrizio.castro.jz@...esas.com>
Cc: Linus Walleij <linus.walleij@...aro.org>, Geert Uytterhoeven <geert+renesas@...der.be>, 
	Chris Brandt <chris.brandt@...esas.com>, Jacopo Mondi <jacopo+renesas@...ndi.org>, 
	linux-renesas-soc@...r.kernel.org, linux-gpio@...r.kernel.org, 
	linux-kernel@...r.kernel.org, Biju Das <biju.das.jz@...renesas.com>, 
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: Re: [PATCH 4/4] pinctrl: renesas: rza2: Fix missing of_node_put() call

On Wed, Mar 5, 2025 at 4:51 PM Fabrizio Castro
<fabrizio.castro.jz@...esas.com> wrote:
>
> of_parse_phandle_with_fixed_args() requires its caller to
> call into of_node_put() on the node pointer from the output
> structure, but such a call is currently missing.
>
> Call into of_node_put() to rectify that.
>
> Fixes: b59d0e782706 ("pinctrl: Add RZ/A2 pin and gpio controller")
> Signed-off-by: Fabrizio Castro <fabrizio.castro.jz@...esas.com>
> ---
>  drivers/pinctrl/renesas/pinctrl-rza2.c | 2 ++
>  1 file changed, 2 insertions(+)
>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>

Cheers,
Prabhakar

> diff --git a/drivers/pinctrl/renesas/pinctrl-rza2.c b/drivers/pinctrl/renesas/pinctrl-rza2.c
> index a654ede01f70..3b5812963850 100644
> --- a/drivers/pinctrl/renesas/pinctrl-rza2.c
> +++ b/drivers/pinctrl/renesas/pinctrl-rza2.c
> @@ -259,6 +259,8 @@ static int rza2_gpio_register(struct rza2_pinctrl_priv *priv)
>                 return ret;
>         }
>
> +       of_node_put(of_args.np);
> +
>         if ((of_args.args[0] != 0) ||
>             (of_args.args[1] != 0) ||
>             (of_args.args[2] != priv->npins)) {
> --
> 2.34.1
>
>