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authorH Hartley Sweeten2012-09-05 18:47:44 -0700
committerGreg Kroah-Hartman2012-09-05 20:06:28 -0700
commit41e862f3ab234349023e90bf2461977f31073a32 (patch)
tree77425bb27647ed009e2d3d02e8abf5cc959f207d
parenta9c6f0bb2c06c5bdbb16c7f063811e977ce04892 (diff)
staging: comedi: ni_660x: 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>
-rw-r--r--drivers/staging/comedi/drivers/ni_660x.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/staging/comedi/drivers/ni_660x.c b/drivers/staging/comedi/drivers/ni_660x.c
index 5e863ff343dd..6bd5b5514408 100644
--- a/drivers/staging/comedi/drivers/ni_660x.c
+++ b/drivers/staging/comedi/drivers/ni_660x.c
@@ -985,7 +985,7 @@ static irqreturn_t ni_660x_interrupt(int irq, void *d)
spin_lock_irqsave(&private(dev)->interrupt_lock, flags);
smp_mb();
for (i = 0; i < ni_660x_num_counters(dev); ++i) {
- s = dev->subdevices + NI_660X_GPCT_SUBDEV(i);
+ s = &dev->subdevices[NI_660X_GPCT_SUBDEV(i)];
ni_660x_handle_gpct_interrupt(dev, s);
}
spin_unlock_irqrestore(&private(dev)->interrupt_lock, flags);
@@ -1097,11 +1097,11 @@ static int ni_660x_attach(struct comedi_device *dev,
if (ret)
return ret;
- s = dev->subdevices + 0;
+ s = &dev->subdevices[0];
/* Old GENERAL-PURPOSE COUNTER/TIME (GPCT) subdevice, no longer used */
s->type = COMEDI_SUBD_UNUSED;
- s = dev->subdevices + NI_660X_DIO_SUBDEV;
+ s = &dev->subdevices[NI_660X_DIO_SUBDEV];
/* DIGITAL I/O SUBDEVICE */
s->type = COMEDI_SUBD_DIO;
s->subdev_flags = SDF_READABLE | SDF_WRITABLE;
@@ -1124,7 +1124,7 @@ static int ni_660x_attach(struct comedi_device *dev,
if (private(dev)->counter_dev == NULL)
return -ENOMEM;
for (i = 0; i < NI_660X_MAX_NUM_COUNTERS; ++i) {
- s = dev->subdevices + NI_660X_GPCT_SUBDEV(i);
+ s = &dev->subdevices[NI_660X_GPCT_SUBDEV(i)];
if (i < ni_660x_num_counters(dev)) {
s->type = COMEDI_SUBD_COUNTER;
s->subdev_flags =