On Fri, Jun 22, 2012 at 04:26:46PM -0700, H Hartley Sweeten wrote:
> The 'have_irq' variable is not needed since this driver doesn't
> use interrupts. Remove it.
>
> The kfree(s->private) needs to remain to free the memory allocated
> in subdev_700_init().
>
Hm... That's weird. The function which set have_irq to 1 was never
called and you already removed it in a previous patch.
So this fixes a memory leak right? Because the kfree() was never
called in the original code. Please mark bug fixes as special if
you can.
> #define CALLBACK_ARG (((struct subdev_700_struct *)s->private)->cb_arg)
> @@ -166,9 +165,7 @@ static void subdev_700_cleanup(struct comedi_device *dev,
> struct comedi_subdevice *s)
> {
> if (s->private)
> - if (subdevpriv->have_irq)
> -
> - kfree(s->private);
> + kfree(s->private);
You could also remove the: "if (s->private)" check.
regards,
dan carpenter
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