staging: comedi: adl_pci7x3x: 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/adl_pci7x3x.c b/drivers/staging/comedi/drivers/adl_pci7x3x.c
index 48b3baa..599714e 100644 (file)
--- a/drivers/staging/comedi/drivers/adl_pci7x3x.c
+++ b/drivers/staging/comedi/drivers/adl_pci7x3x.c
@@ -211,7 +211,7 @@ static int adl_pci7x3x_attach_pci(struct comedi_device *dev,
        if (board->di_nchan) {
                nchan = min(board->di_nchan, 32);
 
-               s = dev->subdevices + subdev;
+               s = &dev->subdevices[subdev];
                /* Isolated digital inputs 0 to 15/31 */
                s->type         = COMEDI_SUBD_DI;
                s->subdev_flags = SDF_READABLE;
@@ -226,7 +226,7 @@ static int adl_pci7x3x_attach_pci(struct comedi_device *dev,
 
                nchan = board->di_nchan - nchan;
                if (nchan) {
-                       s = dev->subdevices + subdev;
+                       s = &dev->subdevices[subdev];
                        /* Isolated digital inputs 32 to 63 */
                        s->type         = COMEDI_SUBD_DI;
                        s->subdev_flags = SDF_READABLE;
@@ -244,7 +244,7 @@ static int adl_pci7x3x_attach_pci(struct comedi_device *dev,
        if (board->do_nchan) {
                nchan = min(board->do_nchan, 32);
 
-               s = dev->subdevices + subdev;
+               s = &dev->subdevices[subdev];
                /* Isolated digital outputs 0 to 15/31 */
                s->type         = COMEDI_SUBD_DO;
                s->subdev_flags = SDF_WRITABLE;
@@ -259,7 +259,7 @@ static int adl_pci7x3x_attach_pci(struct comedi_device *dev,
 
                nchan = board->do_nchan - nchan;
                if (nchan) {
-                       s = dev->subdevices + subdev;
+                       s = &dev->subdevices[subdev];
                        /* Isolated digital outputs 32 to 63 */
                        s->type         = COMEDI_SUBD_DO;
                        s->subdev_flags = SDF_WRITABLE;