linux-kernel - Re: [PATCH] pinctrl: devicetree: fix refcount leak in pinctrl_dt_to

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Message-ID: <CACRpkdZz0zD62T8cxXQkTjkR58CZ3_0uVr5F0Amy0Qa9jrc3nA@mail.gmail.com>
Date: Tue, 16 Apr 2024 15:33:25 +0200
From: Linus Walleij <linus.walleij@...aro.org>
To: Zeng Heng <zengheng4@...wei.com>
Cc: linux-kernel@...r.kernel.org, xiexiuqi@...wei.com, 
	linux-gpio@...r.kernel.org, weiyongjun1@...wei.com, dan.carpenter@...aro.org, 
	liwei391@...wei.com
Subject: Re: [PATCH] pinctrl: devicetree: fix refcount leak in pinctrl_dt_to_map()

On Mon, Apr 15, 2024 at 12:54 PM Zeng Heng <zengheng4@...wei.com> wrote:

> If we fail to allocate propname buffer, we need to drop the reference
> count we just took. Because the pinctrl_dt_free_maps() includes the
> droping operation, here we call it directly.
>
> Fixes: 91d5c5060ee2 ("pinctrl: devicetree: fix null pointer dereferencing in pinctrl_dt_to_map")
> Suggested-by: Dan Carpenter <dan.carpenter@...aro.org>
> Signed-off-by: Zeng Heng <zengheng4@...wei.com>

Patch applied for fixes.

Yours,
Linus Walleij