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From: Karol Herbst <kherbst@redhat.com>
To: Yang Yingliang <yangyingliang@huawei.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
	nouveau <nouveau@lists.freedesktop.org>,
	 dri-devel <dri-devel@lists.freedesktop.org>,
	Ben Skeggs <bskeggs@redhat.com>
Subject: Re: [Nouveau] [PATCH 1/2] drm/nouveau/kms/nv50-: fix file release memory leak
Date: Tue, 28 Sep 2021 13:33:30 +0200	[thread overview]
Message-ID: <CACO55ttfBAYcLUi7QGFupLFyUQZ2kDet+aABXWA0NVVx+cNEVg@mail.gmail.com> (raw)
In-Reply-To: <20210911075023.3969054-1-yangyingliang@huawei.com>

Reviewed-by: Karol Herbst <kherbst@redhat.com>

On Sat, Sep 11, 2021 at 9:45 AM Yang Yingliang <yangyingliang@huawei.com> wrote:
>
> When using single_open() for opening, single_release() should be
> called, otherwise the 'op' allocated in single_open() will be leaked.
>
> Fixes: 12885ecbfe62 ("drm/nouveau/kms/nvd9-: Add CRC support")
> Reported-by: Hulk Robot <hulkci@huawei.com>
> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
> ---
>  drivers/gpu/drm/nouveau/dispnv50/crc.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/nouveau/dispnv50/crc.c b/drivers/gpu/drm/nouveau/dispnv50/crc.c
> index b8c31b697797..66f32d965c72 100644
> --- a/drivers/gpu/drm/nouveau/dispnv50/crc.c
> +++ b/drivers/gpu/drm/nouveau/dispnv50/crc.c
> @@ -704,6 +704,7 @@ static const struct file_operations nv50_crc_flip_threshold_fops = {
>         .open = nv50_crc_debugfs_flip_threshold_open,
>         .read = seq_read,
>         .write = nv50_crc_debugfs_flip_threshold_set,
> +       .release = single_release,
>  };
>
>  int nv50_head_crc_late_register(struct nv50_head *head)
> --
> 2.25.1
>


      parent reply	other threads:[~2021-09-28 11:33 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-11  7:50 Yang Yingliang
2021-09-11  7:50 ` [Nouveau] [PATCH 2/2] drm/nouveau/debugfs: " Yang Yingliang
2021-09-28 11:34   ` Karol Herbst
2021-09-28 11:33 ` Karol Herbst [this message]

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