linux-kernel - Re: [PATCH 3/4] pinctrl: renesas: rzv2m: Fix missing of_node

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Message-ID: <CA+V-a8tsmpJQg=ierSj8R0QAEDxBLoSZ81M3XW7q3pFMZaHSnA@mail.gmail.com>
Date: Wed, 5 Mar 2025 21:31:47 +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>, 
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>, linux-renesas-soc@...r.kernel.org, 
	linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Biju Das <biju.das.jz@...renesas.com>
Subject: Re: [PATCH 3/4] pinctrl: renesas: rzv2m: Fix missing of_node_put() call

On Wed, Mar 5, 2025 at 4:42 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: 92a9b8252576 ("pinctrl: renesas: Add RZ/V2M pin and gpio controller driver")
> Signed-off-by: Fabrizio Castro <fabrizio.castro.jz@...esas.com>
> ---
>  drivers/pinctrl/renesas/pinctrl-rzv2m.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-rzv2m.c b/drivers/pinctrl/renesas/pinctrl-rzv2m.c
> index 4062c56619f5..8c7169db4fcc 100644
> --- a/drivers/pinctrl/renesas/pinctrl-rzv2m.c
> +++ b/drivers/pinctrl/renesas/pinctrl-rzv2m.c
> @@ -940,6 +940,8 @@ static int rzv2m_gpio_register(struct rzv2m_pinctrl *pctrl)
>                 return ret;
>         }
>
> +       of_node_put(of_args.np);
> +
>         if (of_args.args[0] != 0 || of_args.args[1] != 0 ||
>             of_args.args[2] != pctrl->data->n_port_pins) {
>                 dev_err(pctrl->dev, "gpio-ranges does not match selected SOC\n");
> --
> 2.34.1
>
>