Re: [PATCH] drm/noveau: fix reference count leak in nv50_disp_atomic_commit

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On Sat, 2020-06-13 at 20:29 -0500, Aditya Pakki wrote:
> nv50_disp_atomic_commit() calls calls pm_runtime_get_sync and in turn
> increments the reference count. In case of failure, decrement the
> ref count before returning the error.
> 
> Signed-off-by: Aditya Pakki <pakki001@xxxxxxx>
> ---
>  drivers/gpu/drm/nouveau/dispnv50/disp.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c
> b/drivers/gpu/drm/nouveau/dispnv50/disp.c
> index d472942102f5..b4039907f0d6 100644
> --- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
> +++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
> @@ -2157,8 +2157,10 @@ nv50_disp_atomic_commit(struct drm_device *dev,
>  	int ret, i;
>  
>  	ret = pm_runtime_get_sync(dev->dev);
> -	if (ret < 0 && ret != -EACCES)
> +	if (ret < 0 && ret != -EACCES) {
> +		pm_runtime_put_autosuspend(dev->dev);

s/noveau/nouveau/ in the commit title, but other than that:

Reviewed-by: Lyude Paul <lyude@xxxxxxxxxx>

>  		return ret;
> +	}
>  
>  	ret = drm_atomic_helper_setup_commit(state, nonblock);
>  	if (ret)

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