[PATCH 47/51] staging: comedi: rtd520: use dev->read_subdev

[H Hartley Sweeten]

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 at visionengravers.com>
Cc: Ian Abbott <abbotti at mev.co.uk>
Cc: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
---
 drivers/staging/comedi/drivers/rtd520.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/comedi/drivers/rtd520.c b/drivers/staging/comedi/drivers/rtd520.c
index 317c26e..9f7fdd5 100644
--- a/drivers/staging/comedi/drivers/rtd520.c
+++ b/drivers/staging/comedi/drivers/rtd520.c
@@ -689,7 +689,7 @@ static int ai_read_dregs(struct comedi_device *dev, struct comedi_subdevice *s)
 static irqreturn_t rtd_interrupt(int irq, void *d)
 {
 	struct comedi_device *dev = d;
-	struct comedi_subdevice *s = &dev->subdevices[0];
+	struct comedi_subdevice *s = dev->read_subdev;
 	struct rtd_private *devpriv = dev->private;
 	u32 overrun;
 	u16 status;
-- 
1.8.4.4