staging: comedi: das08: remove subdevice pointer math
authorH Hartley Sweeten <hartleys@visionengravers.com>
Thu, 6 Sep 2012 01:35:24 +0000 (18:35 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 6 Sep 2012 03:03:54 +0000 (20:03 -0700)
Convert the comedi_subdevice access from pointer math to array
access.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/comedi/drivers/das08.c

index 0c69b05..5fd21fa 100644 (file)
@@ -670,7 +670,7 @@ int das08_common_attach(struct comedi_device *dev, unsigned long iobase)
        if (ret)
                return ret;
 
-       s = dev->subdevices + 0;
+       s = &dev->subdevices[0];
        /* ai */
        if (thisboard->ai_nbits) {
                s->type = COMEDI_SUBD_AI;
@@ -689,7 +689,7 @@ int das08_common_attach(struct comedi_device *dev, unsigned long iobase)
                s->type = COMEDI_SUBD_UNUSED;
        }
 
-       s = dev->subdevices + 1;
+       s = &dev->subdevices[1];
        /* ao */
        if (thisboard->ao_nbits) {
                s->type = COMEDI_SUBD_AO;
@@ -704,7 +704,7 @@ int das08_common_attach(struct comedi_device *dev, unsigned long iobase)
                s->type = COMEDI_SUBD_UNUSED;
        }
 
-       s = dev->subdevices + 2;
+       s = &dev->subdevices[2];
        /* di */
        if (thisboard->di_nchan) {
                s->type = COMEDI_SUBD_DI;
@@ -718,7 +718,7 @@ int das08_common_attach(struct comedi_device *dev, unsigned long iobase)
                s->type = COMEDI_SUBD_UNUSED;
        }
 
-       s = dev->subdevices + 3;
+       s = &dev->subdevices[3];
        /* do */
        if (thisboard->do_nchan) {
                s->type = COMEDI_SUBD_DO;
@@ -732,7 +732,7 @@ int das08_common_attach(struct comedi_device *dev, unsigned long iobase)
                s->type = COMEDI_SUBD_UNUSED;
        }
 
-       s = dev->subdevices + 4;
+       s = &dev->subdevices[4];
        /* 8255 */
        if (thisboard->i8255_offset != 0) {
                subdev_8255_init(dev, s, NULL, (unsigned long)(dev->iobase +
@@ -742,7 +742,7 @@ int das08_common_attach(struct comedi_device *dev, unsigned long iobase)
                s->type = COMEDI_SUBD_UNUSED;
        }
 
-       s = dev->subdevices + 5;
+       s = &dev->subdevices[5];
        /* 8254 */
        if (thisboard->i8254_offset != 0) {
                s->type = COMEDI_SUBD_COUNTER;
@@ -838,7 +838,7 @@ das08_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 void das08_common_detach(struct comedi_device *dev)
 {
        if (dev->subdevices)
-               subdev_8255_cleanup(dev, dev->subdevices + 4);
+               subdev_8255_cleanup(dev, &dev->subdevices[4]);
 }
 EXPORT_SYMBOL_GPL(das08_common_detach);