linux-kernel - Re: [PATCH 03/12] PowerPC-83xx: add missing of_node_put after of_device_is

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Message-ID: <7643aab3-e16c-20ba-6949-f2dea2dfa2f0@web.de>
Date:   Sun, 14 Apr 2019 17:25:24 +0200
From:   Markus Elfring <Markus.Elfring@....de>
To:     Julia Lawall <Julia.Lawall@...6.fr>,
        Mukesh Ojha <mojha@...eaurora.org>,
        Scott Wood <oss@...error.net>, linuxppc-dev@...ts.ozlabs.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Kumar Gala <galak@...nel.crashing.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Paul Mackerras <paulus@...ba.org>
Subject: Re: [PATCH 03/12] PowerPC-83xx: add missing of_node_put after
 of_device_is_available

> @@ -221,8 +221,10 @@ int mpc837x_usb_cfg(void)
>  	int ret = 0;
>
>  	np = of_find_compatible_node(NULL, NULL, "fsl-usb2-dr");
> -	if (!np || !of_device_is_available(np))
> +	if (!np || !of_device_is_available(np)) {
> +		of_node_put(np);
>  		return -ENODEV;
> +	}
>  	prop = of_get_property(np, "phy_type", NULL);
>
>  	if (!prop || (strcmp(prop, "ulpi") && strcmp(prop, "serial"))) {

How do you think about to adjust the exception handling in this function
implementation a bit more according to the Linux coding style?

Regards,
Markus