Re: [PATCH] DS2781 Maxim Stand-Alone Fuel Gauge battery and w1slave drivers

[Evgeniy Polyakov]

Hi Renata

On Wed, Feb 29, 2012 at 02:58:53PM +0100, Renata Sayakhova (rsayakhova@xxxxxxxxx) wrote:
> 
> Signed-off-by: Renata Sayakhova <rsayakhova@xxxxxxxxx>

Patch looks good except this weird function

> +static inline int ds2781_battery_io(struct ds2781_device_info *dev_info,
> +	char *buf, int addr, size_t count, int io)
> +{
> +	if (dev_info->mutex_holder == current)
> +		return w1_ds2781_io_nolock(dev_info->w1_dev, buf, addr,
> +				count, io);
> +	else
> +		return w1_ds2781_io(dev_info->w1_dev, buf, addr, count, io);
> +}

Who in the stack can run away holding mutex?

-- 
	Evgeniy Polyakov
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