linux-kernel - Re: [PATCH -next] pinctrl: nuvoton: Fix return value check in wpcm450_gpio

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Date:   Thu, 24 Mar 2022 01:39:34 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Jialin Zhang <zhangjialin11@...wei.com>
Cc:     j.neuschaefer@....net, openbmc@...ts.ozlabs.org,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH -next] pinctrl: nuvoton: Fix return value check in wpcm450_gpio_register()

On Thu, Mar 17, 2022 at 7:49 AM Jialin Zhang <zhangjialin11@...wei.com> wrote:

> In case of error, the function devm_platform_ioremap_resource()
> returns ERR_PTR() and never returns NULL. The NULL test in the
> return value check should be replaced with IS_ERR().
>
> Fixes: a1d1e0e3d80a ("pinctrl: nuvoton: Add driver for WPCM450")
> Reported-by: Hulk Robot <hulkci@...wei.com>
> Signed-off-by: Jialin Zhang <zhangjialin11@...wei.com>

Patch applied!

Yours,
Linus Walleij