From: H Hartley Sweeten <hartleys@visionengravers.com>
Date: Thu, 6 Sep 2012 01:36:41 +0000 (-0700)
Subject: staging: comedi: das6402: remove subdevice pointer math
X-Git-Tag: v3.7-rc1~173^2~630
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=92cfef5d90148f1a91fba528971ed6ae39b1c14b;p=profile%2Fivi%2Fkernel-x86-ivi.git

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
--- 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;