linux-kernel - Re: [PATCH -next] drm/logicvc: add missing of_node_put() in logicvc_layers

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Date:   Fri, 24 Jun 2022 16:36:50 +0200
From:   Paul Kocialkowski <paul.kocialkowski@...tlin.com>
To:     Yang Yingliang <yangyingliang@...wei.com>
Cc:     linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        airlied@...ux.ie, daniel@...ll.ch, mripard@...nel.org
Subject: Re: [PATCH -next] drm/logicvc: add missing of_node_put() in
 logicvc_layers_init()

Hi Yang,

On Tue 14 Jun 22, 19:21, Yang Yingliang wrote:
> The of_node_put() need be called in error path in logicvc_layers_init().
> 
> Fixes: efeeaefe9be5 ("drm: Add support for the LogiCVC display controller")
> Reported-by: Hulk Robot <hulkci@...wei.com>
> Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>

Thanks for the fix!

Acked-by: Paul Kocialkowski <paul.kocialkowski@...tlin.com>

Cheers,

Paul

> ---
>  drivers/gpu/drm/logicvc/logicvc_layer.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/logicvc/logicvc_layer.c b/drivers/gpu/drm/logicvc/logicvc_layer.c
> index bae1c7f99569..00a37563a6dc 100644
> --- a/drivers/gpu/drm/logicvc/logicvc_layer.c
> +++ b/drivers/gpu/drm/logicvc/logicvc_layer.c
> @@ -610,8 +610,11 @@ int logicvc_layers_init(struct logicvc_drm *logicvc)
>  		}
>  
>  		ret = logicvc_layer_init(logicvc, layer_node, index);
> -		if (ret)
> +		if (ret) {
> +			of_node_put(layer_node);
> +			of_node_put(layers_node);
>  			goto error;
> +		}
>  
>  		of_node_put(layer_node);
>  	}
> -- 
> 2.25.1
> 

-- 
Paul Kocialkowski, Bootlin
Embedded Linux and kernel engineering
https://bootlin.com

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