netdev - Re: [PATCH net 4/7] net: mscc: ocelot: check for errors on memory allocation of ports

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Message-Id: <20200916.172153.376464259253056720.davem@davemloft.net>
Date:   Wed, 16 Sep 2020 17:21:53 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     olteanv@...il.com
Cc:     netdev@...r.kernel.org, yangbo.lu@....com,
        xiaoliang.yang_1@....com, UNGLinuxDriver@...rochip.com,
        claudiu.manoil@....com, alexandre.belloni@...tlin.com,
        andrew@...n.ch, vivien.didelot@...il.com, f.fainelli@...il.com,
        kuba@...nel.org
Subject: Re: [PATCH net 4/7] net: mscc: ocelot: check for errors on memory
 allocation of ports

From: Vladimir Oltean <olteanv@...il.com>
Date: Tue, 15 Sep 2020 21:22:26 +0300

> @@ -993,6 +993,8 @@ static int mscc_ocelot_probe(struct platform_device *pdev)
>  
>  	ocelot->ports = devm_kcalloc(&pdev->dev, ocelot->num_phys_ports,
>  				     sizeof(struct ocelot_port *), GFP_KERNEL);
> +	if (!ocelot->ports)
> +		return -ENOMEM;

This leaks the reference to OF node 'ports'.