linux-kernel - Re: [PATCH] pinctrl: nuvoton: npcm8xx: Add NULL check in npcm8xx_gpio

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Message-ID: <CACRpkdbiNg66sToZ2X+G7J_qJSTpkRj1BgWbYX1_YmbGKdCmGQ@mail.gmail.com>
Date: Fri, 14 Feb 2025 11:25:15 +0100
From: Linus Walleij <linus.walleij@...aro.org>
To: Charles Han <hanchunchao@...pur.com>
Cc: avifishman70@...il.com, tmaimon77@...il.com, tali.perry1@...il.com, 
	venture@...gle.com, yuenn@...gle.com, benjaminfair@...gle.com, 
	openbmc@...ts.ozlabs.org, linux-gpio@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] pinctrl: nuvoton: npcm8xx: Add NULL check in npcm8xx_gpio_fw

On Wed, Feb 12, 2025 at 11:05 AM Charles Han <hanchunchao@...pur.com> wrote:

> devm_kasprintf() calls can return null pointers on failure.
> But the return values were not checked in npcm8xx_gpio_fw().
> Add NULL check in npcm8xx_gpio_fw(), to handle kernel NULL
> pointer dereference error.
>
> Fixes: acf4884a5717 ("pinctrl: nuvoton: add NPCM8XX pinctrl and GPIO driver")
> Signed-off-by: Charles Han <hanchunchao@...pur.com>

Patch applied.

Yours,
Linus Walleij