staging: comedi: das16: remove subdevice pointer math

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>

diff --git a/drivers/staging/comedi/drivers/das16.c b/drivers/staging/comedi/drivers/das16.c
index 895cc77..2a38915 100644 (file)
--- a/drivers/staging/comedi/drivers/das16.c
+++ b/drivers/staging/comedi/drivers/das16.c
@@ -1268,7 +1268,7 @@ static int das16_attach(struct comedi_device *dev, struct comedi_devconfig *it)
        if (ret)
                return ret;
 
-       s = dev->subdevices + 0;
+       s = &dev->subdevices[0];
        dev->read_subdev = s;
        /* ai */
        if (board->ai) {
@@ -1300,7 +1300,7 @@ static int das16_attach(struct comedi_device *dev, struct comedi_devconfig *it)
                s->type = COMEDI_SUBD_UNUSED;
        }
 
-       s = dev->subdevices + 1;
+       s = &dev->subdevices[1];
        /* ao */
        if (board->ao) {
                s->type = COMEDI_SUBD_AO;
@@ -1318,7 +1318,7 @@ static int das16_attach(struct comedi_device *dev, struct comedi_devconfig *it)
                s->type = COMEDI_SUBD_UNUSED;
        }
 
-       s = dev->subdevices + 2;
+       s = &dev->subdevices[2];
        /* di */
        if (board->di) {
                s->type = COMEDI_SUBD_DI;
@@ -1331,7 +1331,7 @@ static int das16_attach(struct comedi_device *dev, struct comedi_devconfig *it)
                s->type = COMEDI_SUBD_UNUSED;
        }
 
-       s = dev->subdevices + 3;
+       s = &dev->subdevices[3];
        /* do */
        if (board->do_) {
                s->type = COMEDI_SUBD_DO;
@@ -1346,7 +1346,7 @@ static int das16_attach(struct comedi_device *dev, struct comedi_devconfig *it)
                s->type = COMEDI_SUBD_UNUSED;
        }
 
-       s = dev->subdevices + 4;
+       s = &dev->subdevices[4];
        /* 8255 */
        if (board->i8255_offset != 0) {
                subdev_8255_init(dev, s, NULL, (dev->iobase +
@@ -1376,7 +1376,7 @@ static void das16_detach(struct comedi_device *dev)
 
        das16_reset(dev);
        if (dev->subdevices)
-               subdev_8255_cleanup(dev, dev->subdevices + 4);
+               subdev_8255_cleanup(dev, &dev->subdevices[4]);
        if (devpriv) {
                int i;
                for (i = 0; i < 2; i++) {