linux-kernel - Re: [PATCH v2 1/2] media: davinci: vpif_display: Mix memory leak on probe error path

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Message-ID: <CA+V-a8vw+1CF=DJuyDp=To-QNzzynritdDcCvvv3DeL+6KehWA@mail.gmail.com>
Date:   Mon, 13 Aug 2018 12:47:50 +0100
From:   "Lad, Prabhakar" <prabhakar.csengg@...il.com>
To:     Anton Vasilyev <vasilyev@...ras.ru>
Cc:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-media <linux-media@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>, ldv-project@...uxtesting.org
Subject: Re: [PATCH v2 1/2] media: davinci: vpif_display: Mix memory leak on
 probe error path

Hi,

Thanks for the patch.

On Mon, Aug 6, 2018 at 4:50 PM Anton Vasilyev <vasilyev@...ras.ru> wrote:
>
> If vpif_probe() fails on v4l2_device_register() then memory allocated
> at initialize_vpif() for global vpif_obj.dev[i] become unreleased.
>
> The patch adds deallocation of vpif_obj.dev[i] on the probe error path.
>
> Found by Linux Driver Verification project (linuxtesting.org).
>
> Signed-off-by: Anton Vasilyev <vasilyev@...ras.ru>
> ---
> v2: divided the original patch into two and made stylistic fixes based
> on the Prabhakar's rewiev.
> ---
>  drivers/media/platform/davinci/vpif_display.c | 9 +++++++--
>  1 file changed, 7 insertions(+), 2 deletions(-)
>
Acked-by: Lad, Prabhakar <prabhakar.csengg@...il.com>

Cheers,
--Prabhakar Lad