linux-kernel - Re: [PATCH] pinctrl: axp209: Fix NULL pointer dereference after allocation

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Message-ID: <CACRpkdY1wtMN_bq+za=nhd_xYb-23g2zeA++ouwxVsJMxH5L9Q@mail.gmail.com>
Date:   Fri, 10 Aug 2018 23:13:31 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     vasilyev@...ras.ru
Cc:     Chen-Yu Tsai <wens@...e.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        ldv-project@...uxtesting.org
Subject: Re: [PATCH] pinctrl: axp209: Fix NULL pointer dereference after allocation

On Mon, Aug 6, 2018 at 6:07 PM Anton Vasilyev <vasilyev@...ras.ru> wrote:

> There is no check that allocation in axp20x_funcs_groups_from_mask
> is successful.
> The patch adds corresponding check and return values.
>
> Found by Linux Driver Verification project (linuxtesting.org).
>
> Signed-off-by: Anton Vasilyev <vasilyev@...ras.ru>

Patch applied with Chen-Yu's ACK.

Yours,
Linus Walleij