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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 2/2] drm/nouveau/debugfs: fix file release memory leak
Date: Tue, 28 Sep 2021 13:34:36 +0200	[thread overview]
Message-ID: <CACO55tsKcZjB_9E-QfbDY99LT+w_fgssONjEd-qymoSCe0Z7qw@mail.gmail.com> (raw)
In-Reply-To: <20210911075023.3969054-2-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: 6e9fc177399f ("drm/nouveau/debugfs: add copy of sysfs pstate interface ported to debugfs")
> Reported-by: Hulk Robot <hulkci@huawei.com>
> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
> ---
>  drivers/gpu/drm/nouveau/nouveau_debugfs.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/nouveau/nouveau_debugfs.c b/drivers/gpu/drm/nouveau/nouveau_debugfs.c
> index c2bc05eb2e54..1cbe01048b93 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_debugfs.c
> +++ b/drivers/gpu/drm/nouveau/nouveau_debugfs.c
> @@ -207,6 +207,7 @@ static const struct file_operations nouveau_pstate_fops = {
>         .open = nouveau_debugfs_pstate_open,
>         .read = seq_read,
>         .write = nouveau_debugfs_pstate_set,
> +       .release = single_release,
>  };
>
>  static struct drm_info_list nouveau_debugfs_list[] = {
> --
> 2.25.1
>


  reply	other threads:[~2021-09-28 11:34 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-11  7:50 [Nouveau] [PATCH 1/2] drm/nouveau/kms/nv50-: " Yang Yingliang
2021-09-11  7:50 ` [Nouveau] [PATCH 2/2] drm/nouveau/debugfs: " Yang Yingliang
2021-09-28 11:34   ` Karol Herbst [this message]
2021-09-28 11:33 ` [Nouveau] [PATCH 1/2] drm/nouveau/kms/nv50-: " Karol Herbst

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