staging: comedi: drivers: 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>
This commit is contained in:
H Hartley Sweeten 2012-09-05 18:21:25 -07:00 committed by Greg Kroah-Hartman
parent b077f2cd9b
commit 5e4c58ce65

View file

@ -71,7 +71,7 @@ int comedi_alloc_subdevices(struct comedi_device *dev, int num_subdevices)
dev->n_subdevices = num_subdevices;
for (i = 0; i < num_subdevices; ++i) {
s = dev->subdevices + i;
s = &dev->subdevices[i];
s->device = dev;
s->async_dma_dir = DMA_NONE;
spin_lock_init(&s->spin_lock);
@ -88,7 +88,7 @@ static void cleanup_device(struct comedi_device *dev)
if (dev->subdevices) {
for (i = 0; i < dev->n_subdevices; i++) {
s = dev->subdevices + i;
s = &dev->subdevices[i];
comedi_free_subdevice_minor(s);
if (s->async) {
comedi_buf_alloc(dev, s, 0);
@ -260,7 +260,7 @@ static int postconfig(struct comedi_device *dev)
int ret;
for (i = 0; i < dev->n_subdevices; i++) {
s = dev->subdevices + i;
s = &dev->subdevices[i];
if (s->type == COMEDI_SUBD_UNUSED)
continue;