linux-kernel - Re: [PATCH] pinctrl: Add check for kcalloc

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Message-ID: <CAK6EE7=YZQtboueyb1zbXnAtAtCNRZRJ-69eyYp_sa9hoktCEQ@mail.gmail.com>
Date:   Tue, 12 Jul 2022 16:06:43 +0800
From:   William Dean <williamsukatube@...il.com>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     williamsukatube@....com, dvorkin@...bo.com, wellslutw@...il.com,
        linux-arm-kernel@...ts.infradead.org, linux-gpio@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Hacash Robot <hacashRobot@...tino.com>
Subject: Re: [PATCH] pinctrl: Add check for kcalloc

thx :)

Linus Walleij <linus.walleij@...aro.org> 于2022年7月11日周一 21:04写道：

>
> On Sun, Jul 10, 2022 at 5:48 PM <williamsukatube@....com> wrote:
>
> > From: William Dean <williamsukatube@...il.com>
> >
> > As the potential failure of the kcalloc(),
> > it should be better to check it in order to
> > avoid the dereference of the NULL pointer.
> >
> > Fixes: aa74c44be19c8 ("pinctrl: Add driver for Sunplus SP7021")
> > Reported-by: Hacash Robot <hacashRobot@...tino.com>
> > Signed-off-by: William Dean <williamsukatube@...il.com>
>
> Patch applied, tweaked the subject a bit,
>
> Yours,
> Linus Walleij