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staging: comedi: ni_daq_700: remove unused private data variable

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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().

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2012-06-22 16:26:46 -07:00 committed by Greg Kroah-Hartman
parent 109d5d54e0
commit 54be935368
1 changed files with 1 additions and 4 deletions
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5
drivers/staging/comedi/drivers/ni_daq_700.c
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@ -69,7 +69,6 @@ struct dio700_board {
struct subdev_700_struct {
unsigned long cb_arg;
int (*cb_func) (int, int, int, unsigned long);
int have_irq;
};
#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);
}
static int dio700_attach(struct comedi_device *dev, struct comedi_devconfig *it)