Reviewed-by: Karol Herbst <kherbst@xxxxxxxxxx>
On Thu, Sep 5, 2019 at 9:14 AM Wei Yongjun <weiyongjun1@xxxxxxxxxx> wrote:
>
> When using single_open() for opening, single_release() should be
> used, otherwise there is a memory leak.
>
> This is detected by Coccinelle semantic patch.
>
> Fixes: 6e9fc177399f ("drm/nouveau/debugfs: add copy of sysfs pstate interface ported to debugfs")
> Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
> ---
> 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 7dfbbbc1beea..35695f493271 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_debugfs.c
> +++ b/drivers/gpu/drm/nouveau/nouveau_debugfs.c
> @@ -202,6 +202,7 @@ 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[] = {
>
>
>
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