From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Thu, 5 Dec 2013 20:43:38 +0000 (-0700)
Subject: staging: comedi: dt3000: use dev->read_subdev
X-Git-Tag: v3.14-rc1~13^2~537
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1580994f6c81b8c4b47f2c8f1e2c7cefcf2923fe;p=kernel%2Fkernel-generic.git

staging: comedi: dt3000: use dev->read_subdev

Use the dev->read_subdev that was setup in the device attach instead
of accessing the dev->subdevices array directly.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/comedi/drivers/dt3000.c b/drivers/staging/comedi/drivers/dt3000.c
index 50aaa01..f52a447 100644
--- a/drivers/staging/comedi/drivers/dt3000.c
+++ b/drivers/staging/comedi/drivers/dt3000.c
@@ -352,13 +352,12 @@ static irqreturn_t dt3k_interrupt(int irq, void *d)
 {
 	struct comedi_device *dev = d;
 	struct dt3k_private *devpriv = dev->private;
-	struct comedi_subdevice *s;
+	struct comedi_subdevice *s = dev->read_subdev;
 	unsigned int status;
 
 	if (!dev->attached)
 		return IRQ_NONE;
 
-	s = &dev->subdevices[0];
 	status = readw(devpriv->io_addr + DPR_Intr_Flag);
 
 	if (status & DT3000_ADFULL) {