linux-kernel - Re: [PATCH 1/4] video: of: display_timing: Add of_node_put() in of_get_display

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Date:   Sat, 27 Jul 2019 05:51:51 +0300
From:   Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:     Douglas Anderson <dianders@...omium.org>
Cc:     Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Sam Ravnborg <sam@...nborg.org>,
        David Airlie <airlied@...ux.ie>, linux-fbdev@...r.kernel.org,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Tomi Valkeinen <tomi.valkeinen@...com>,
        dri-devel@...ts.freedesktop.org,
        Russell King <linux@...linux.org.uk>,
        Daniel Vetter <daniel@...ll.ch>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/4] video: of: display_timing: Add of_node_put() in
 of_get_display_timing()

Hi Douglas,

Thank you for the patch.

On Mon, Jul 22, 2019 at 11:24:36AM -0700, Douglas Anderson wrote:
> From code inspection it can be seen that of_get_display_timing() is
> lacking an of_node_put().  Add it.
> 
> Fixes: ffa3fd21de8a ("videomode: implement public of_get_display_timing()")
> Signed-off-by: Douglas Anderson <dianders@...omium.org>

Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>

> ---
> 
>  drivers/video/of_display_timing.c | 7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/video/of_display_timing.c b/drivers/video/of_display_timing.c
> index f5c1c469c0af..5eedae0799f0 100644
> --- a/drivers/video/of_display_timing.c
> +++ b/drivers/video/of_display_timing.c
> @@ -119,6 +119,7 @@ int of_get_display_timing(const struct device_node *np, const char *name,
>  		struct display_timing *dt)
>  {
>  	struct device_node *timing_np;
> +	int ret;
>  
>  	if (!np)
>  		return -EINVAL;
> @@ -129,7 +130,11 @@ int of_get_display_timing(const struct device_node *np, const char *name,
>  		return -ENOENT;
>  	}
>  
> -	return of_parse_display_timing(timing_np, dt);
> +	ret = of_parse_display_timing(timing_np, dt);
> +
> +	of_node_put(timing_np);
> +
> +	return ret;
>  }
>  EXPORT_SYMBOL_GPL(of_get_display_timing);
>  

-- 
Regards,

Laurent Pinchart