staging: comedi: das800: 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/das800.c b/drivers/staging/comedi/drivers/das800.c
index 834054d..8e89101 100644 (file)
--- a/drivers/staging/comedi/drivers/das800.c
+++ b/drivers/staging/comedi/drivers/das800.c
@@ -517,7 +517,7 @@ static int das800_attach(struct comedi_device *dev, struct comedi_devconfig *it)
                return ret;
 
        /* analog input subdevice */
-       s = dev->subdevices + 0;
+       s = &dev->subdevices[0];
        dev->read_subdev = s;
        s->type = COMEDI_SUBD_AI;
        s->subdev_flags = SDF_READABLE | SDF_GROUND | SDF_CMD_READ;
@@ -531,7 +531,7 @@ static int das800_attach(struct comedi_device *dev, struct comedi_devconfig *it)
        s->cancel = das800_cancel;
 
        /* di */
-       s = dev->subdevices + 1;
+       s = &dev->subdevices[1];
        s->type = COMEDI_SUBD_DI;
        s->subdev_flags = SDF_READABLE;
        s->n_chan = 3;
@@ -540,7 +540,7 @@ static int das800_attach(struct comedi_device *dev, struct comedi_devconfig *it)
        s->insn_bits = das800_di_rbits;
 
        /* do */
-       s = dev->subdevices + 2;
+       s = &dev->subdevices[2];
        s->type = COMEDI_SUBD_DO;
        s->subdev_flags = SDF_WRITABLE | SDF_READABLE;
        s->n_chan = 4;