linux-kernel - Re: [PATCH v2 1/2] drm/ingenic: Fix leak of device

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Message-ID: <20200829210727.GE796939@ravnborg.org>
Date:   Sat, 29 Aug 2020 23:07:27 +0200
From:   Sam Ravnborg <sam@...nborg.org>
To:     Paul Cercueil <paul@...pouillou.net>
Cc:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        od@...c.me
Subject: Re: [PATCH v2 1/2] drm/ingenic: Fix leak of device_node pointer

On Thu, Aug 27, 2020 at 01:44:03PM +0200, Paul Cercueil wrote:
> of_graph_get_remote_node() requires of_node_put() to be called on the
> device_node pointer when it's no more in use.
> 
> Fixes: fc1acf317b01 ("drm/ingenic: Add support for the IPU")
> Signed-off-by: Paul Cercueil <paul@...pouillou.net>
Reviewed-by: Sam Ravnborg <sam@...nborg.org>
> ---
>  drivers/gpu/drm/ingenic/ingenic-drm-drv.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
> index ada990a7f911..c1bcb93aed2d 100644
> --- a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
> +++ b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
> @@ -978,6 +978,7 @@ static int ingenic_drm_probe(struct platform_device *pdev)
>  	}
>  
>  	drm_of_component_match_add(dev, &match, compare_of, np);
> +	of_node_put(np);
>  
>  	return component_master_add_with_match(dev, &ingenic_master_ops, match);
>  }
> -- 
> 2.28.0