staging: comedi: das6402: 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/das6402.c b/drivers/staging/comedi/drivers/das6402.c
index e3afcfa..e134c46 100644 (file)
--- a/drivers/staging/comedi/drivers/das6402.c
+++ b/drivers/staging/comedi/drivers/das6402.c
@@ -152,7 +152,7 @@ static void das6402_setcounter(struct comedi_device *dev)
 static irqreturn_t intr_handler(int irq, void *d)
 {
        struct comedi_device *dev = d;
-       struct comedi_subdevice *s = dev->subdevices;
+       struct comedi_subdevice *s = &dev->subdevices[0];
 
        if (!dev->attached || devpriv->das6402_ignoreirq) {
                dev_warn(dev->class_dev, "BUG: spurious interrupt\n");
@@ -312,7 +312,7 @@ static int das6402_attach(struct comedi_device *dev,
                return ret;
 
        /* ai subdevice */
-       s = dev->subdevices + 0;
+       s = &dev->subdevices[0];
        s->type = COMEDI_SUBD_AI;
        s->subdev_flags = SDF_READABLE | SDF_GROUND;
        s->n_chan = 8;