linux-kernel - Re: [PATCH] hv_netvsc: Fix potential dereference of NULL pointer

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Message-ID: <CAHp75Vc+fubwb0PGqVyDs5Np10ZW06F2REVKK=G26zOKT8gvFQ@mail.gmail.com>
Date:   Mon, 23 May 2022 17:21:54 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Yongzhi Liu <lyz_cs@....edu.cn>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Stanimir Varbanov <svarbanov@...sol.com>,
        "Ivan T. Ivanov" <iivanov@...sol.com>,
        Jonathan Cameron <jonathan.cameron@...wei.com>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        linux-iio <linux-iio@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        fuyq@....pku.edu.cn
Subject: Re: [PATCH] hv_netvsc: Fix potential dereference of NULL pointer

On Sat, May 21, 2022 at 6:27 AM Yongzhi Liu <lyz_cs@....edu.cn> wrote:
>
> The return value of netvsc_devinfo_get()
> needs to be checked to avoid use of NULL
> pointer in case of an allocation failure.

> Fixes: 0efeea5fb ("hv_netvsc: Add the support of hibernation")
>
> Signed-off-by: Yongzhi Liu <lyz_cs@....edu.cn>

For the future independently of the subsystem or mailing list, the tag
block (above) mustn't have lank lines.

-- 
With Best Regards,
Andy Shevchenko