linux-kernel - Re: [PATCH] gpio: rockchip: fix OF node leak in probe()

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <2405471.3c9HiEOlIg@diego>
Date: Mon, 02 Sep 2024 13:28:15 +0200
From: Heiko Stübner <heiko@...ech.de>
To: Linus Walleij <linus.walleij@...aro.org>,
 Bartosz Golaszewski <brgl@...ev.pl>, Jianqun Xu <jay.xu@...k-chips.com>,
 linux-gpio@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: Re: [PATCH] gpio: rockchip: fix OF node leak in probe()

Am Montag, 26. August 2024, 17:08:32 CEST schrieb Krzysztof Kozlowski:
> Driver code is leaking OF node reference from of_get_parent() in
> probe().
> 
> Fixes: 936ee2675eee ("gpio/rockchip: add driver for rockchip gpio")
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> ---
>  drivers/gpio/gpio-rockchip.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpio/gpio-rockchip.c b/drivers/gpio/gpio-rockchip.c
> index 0bd339813110..365ab947983c 100644
> --- a/drivers/gpio/gpio-rockchip.c
> +++ b/drivers/gpio/gpio-rockchip.c
> @@ -713,6 +713,7 @@ static int rockchip_gpio_probe(struct platform_device *pdev)
>  		return -ENODEV;
>  
>  	pctldev = of_pinctrl_get(pctlnp);
> +	of_node_put(pctlnp);
>  	if (!pctldev)
>  		return -EPROBE_DEFER;
>  
> 

Reviewed-by: Heiko Stuebner <heiko@...ech.de>