linux-kernel - Re: [PATCH 02/12] drm/tegra: rgb: add missing of_node_put after of_device_is

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Message-ID: <564652ed-d398-33ae-0f05-088d1235bf9f@web.de>
Date:   Sun, 14 Apr 2019 17:01:23 +0200
From:   Markus Elfring <Markus.Elfring@....de>
To:     Julia Lawall <Julia.Lawall@...6.fr>,
        Mukesh Ojha <mojha@...eaurora.org>,
        dri-devel@...ts.freedesktop.org, linux-tegra@...r.kernel.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org,
        Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...ux.ie>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Thierry Reding <thierry.reding@...il.com>
Subject: Re: [PATCH 02/12] drm/tegra: rgb: add missing of_node_put after
 of_device_is_available

> @@ -221,8 +221,10 @@  int tegra_dc_rgb_probe(struct tegra_dc *
>  	int err;
>
>  	np = of_get_child_by_name(dc->dev->of_node, "rgb");
> -	if (!np || !of_device_is_available(np))
> +	if (!np || !of_device_is_available(np)) {
> +		of_node_put(np);
>  		return -ENODEV;
> +	}
>
>  	rgb = devm_kzalloc(dc->dev, sizeof(*rgb), GFP_KERNEL);
>  	if (!rgb)

How do you think about to move this function call to an additional jump target
for the desired exception handling?

Regards,
Markus