staging: comedi: cb_pcimdda: 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/cb_pcimdda.c b/drivers/staging/comedi/drivers/cb_pcimdda.c
index ea96514..ba9f059 100644 (file)
--- a/drivers/staging/comedi/drivers/cb_pcimdda.c
+++ b/drivers/staging/comedi/drivers/cb_pcimdda.c
@@ -176,7 +176,7 @@ static int cb_pcimdda_attach_pci(struct comedi_device *dev,
        if (ret)
                return ret;
 
-       s = dev->subdevices + 0;
+       s = &dev->subdevices[0];
        /* analog output subdevice */
        s->type         = COMEDI_SUBD_AO;
        s->subdev_flags = SDF_WRITABLE | SDF_READABLE;
@@ -186,7 +186,7 @@ static int cb_pcimdda_attach_pci(struct comedi_device *dev,
        s->insn_write   = cb_pcimdda_ao_winsn;
        s->insn_read    = cb_pcimdda_ao_rinsn;
 
-       s = dev->subdevices + 1;
+       s = &dev->subdevices[1];
        /* digital i/o subdevice */
        ret = subdev_8255_init(dev, s, NULL,
                        dev->iobase + PCIMDDA_8255_BASE_REG);
@@ -203,7 +203,7 @@ static void cb_pcimdda_detach(struct comedi_device *dev)
        struct pci_dev *pcidev = comedi_to_pci_dev(dev);
 
        if (dev->subdevices)
-               subdev_8255_cleanup(dev, dev->subdevices + 1);
+               subdev_8255_cleanup(dev, &dev->subdevices[1]);
        if (pcidev) {
                if (dev->iobase)
                        comedi_pci_disable(pcidev);