[RFC PATCH 2/3] eeprom: sunxi: Move the SID driver to the eeprom framework

Russell King - ARM Linux linux at arm.linux.org.uk
Fri Feb 20 09:47:50 PST 2015


On Thu, Feb 19, 2015 at 05:08:40PM +0000, Srinivas Kandagatla wrote:
> +static int sunxi_sid_probe(struct platform_device *pdev)
> +{
> +	const struct of_device_id *device;
> +	struct eeprom_sid *sid;
> +	struct resource *res;
> +	struct eeprom_device *eeprom;
> +	struct device *dev = &pdev->dev;
> +	int rval;
> +
> +	sid = devm_kzalloc(dev, sizeof(*sid), GFP_KERNEL);
> +	if (!sid)
> +		return -ENOMEM;
> +
> +	eeprom = &sid->eeprom;
...
> +	rval = eeprom_register(eeprom);
> +	if (rval)
> +		return rval;
...
> +static int sunxi_sid_remove(struct platform_device *pdev)
> +{
> +	struct eeprom_device *eeprom = platform_get_drvdata(pdev);
> +
> +	return eeprom_unregister(eeprom);

As pointed out in the previous patch, this is unsafe as the eeprom
structure contains a struct device.

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