linux-kernel - Re: [PATCHv5 02/16] drivers: thermal: introduce device tree parser

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Date:	Wed, 18 Sep 2013 14:04:49 -0700
From:	Joe Perches <joe@...ches.com>
To:	Eduardo Valentin <eduardo.valentin@...com>
Cc:	swarren@...dotorg.org, pawel.moll@....com, mark.rutland@....com,
	ian.campbell@...rix.com, rob.herring@...xeda.com,
	linux@...ck-us.net, rui.zhang@...el.com, wni@...dia.com,
	grant.likely@...aro.org, durgadoss.r@...el.com,
	lm-sensors@...sensors.org, linux-kernel@...r.kernel.org,
	linux-pm@...r.kernel.org
Subject: Re: [PATCHv5 02/16] drivers: thermal: introduce device tree parser

On Wed, 2013-09-18 at 16:57 -0400, Eduardo Valentin wrote:
> This patch introduces a device tree bindings for
> describing the hardware thermal behavior and limits.
> Also a parser to read and interpret the data and feed
> it in the thermal framework is presented.
[]
> +int __init of_parse_thermal_zones(void)
> +{
> +	struct device_node *np, *child;
> +	struct __thermal_zone *tz;
> +	struct thermal_zone_device_ops *ops;
[]
> +		if (!ops)
> +			return -ENOMEM;
> +
> +		tzp = kzalloc(sizeof(*tzp), GFP_KERNEL);
> +		if (!tzp)
> +			return -ENOMEM;

leaking memory when ops && !tpz

> +
> +		/* No hwmon because there might be hwmon drivers registering */
> +		tzp->no_hwmon = true;
> +
> +		zone = thermal_zone_device_register(child->name, tz->ntrips,
> +						    0, tz,
> +						    ops, tzp,
> +						    tz->passive_delay,
> +						    tz->polling_delay);
> +		if (IS_ERR(zone))
> +			pr_err("Failed to build %s zone %ld\n", child->name,
> +			       PTR_ERR(zone));
> +	}

Still leaking memory if !zone no?

> +
> +	return 0;
> +}


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