linux-kernel - Re: [PATCH] dmaengine: imx-sdma: fix use-after-free on probe error path

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Message-ID: <CAGngYiVsUZwCUEsqRk-YtZPGYxsqzHzD7U5GeeHyAa2Yw9Z6WA@mail.gmail.com>
Date:   Fri, 5 Jul 2019 08:26:12 -0400
From:   Sven Van Asbroeck <thesven73@...il.com>
To:     Vinod Koul <vkoul@...nel.org>
Cc:     Robin Gong <yibin.gong@....com>,
        Dan Williams <dan.j.williams@...el.com>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        dmaengine@...r.kernel.org,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] dmaengine: imx-sdma: fix use-after-free on probe error path

Hi Vinod,

On Fri, Jul 5, 2019 at 3:32 AM Vinod Koul <vkoul@...nel.org> wrote:
>
> > +             if (ret)
> > +                     dev_warn(&pdev->dev, "failed to get firmware name\n");
>
> if should have braces!
> Applied after fixing braces!

checkpatch.pl output after adding braces:

WARNING: braces {} are not necessary for single statement blocks
#102: FILE: drivers/dma/imx-sdma.c:2165:
+ if (ret) {
+ dev_warn(&pdev->dev, "failed to get firmware from device tree\n");
+ }

total: 0 errors, 1 warnings, 61 lines checked