staging: comedi: 8255: 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/8255.c b/drivers/staging/comedi/drivers/8255.c
index 4c9977b..e2506dd 100644 (file)
--- a/drivers/staging/comedi/drivers/8255.c
+++ b/drivers/staging/comedi/drivers/8255.c
@@ -403,7 +403,7 @@ static int dev_8255_attach(struct comedi_device *dev,
                return ret;
 
        for (i = 0; i < dev->n_subdevices; i++) {
-               s = dev->subdevices + i;
+               s = &dev->subdevices[i];
                iobase = it->options[i];
 
                if (!request_region(iobase, _8255_SIZE, "8255")) {
@@ -429,7 +429,7 @@ static void dev_8255_detach(struct comedi_device *dev)
        int i;
 
        for (i = 0; i < dev->n_subdevices; i++) {
-               s = dev->subdevices + i;
+               s = &dev->subdevices[i];
                if (s->type != COMEDI_SUBD_UNUSED) {
                        spriv = s->private;
                        release_region(spriv->iobase, _8255_SIZE);