* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
- * You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the Free Software *
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
- * *
***************************************************************************/
/*
static void unioxx5_detach(struct comedi_device *dev)
{
+ struct comedi_subdevice *s;
+ struct unioxx5_subd_priv *spriv;
int i;
- struct comedi_subdevice *subdev;
- struct unioxx5_subd_priv *usp;
for (i = 0; i < dev->n_subdevices; i++) {
- subdev = &dev->subdevices[i];
- usp = subdev->private;
- release_region(usp->usp_iobase, UNIOXX5_SIZE);
- kfree(subdev->private);
+ s = &dev->subdevices[i];
+ spriv = s->private;
+ if (spriv && spriv->usp_iobase)
+ release_region(spriv->usp_iobase, UNIOXX5_SIZE);
+ kfree(spriv);
}
}