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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>
This commit is contained in:
H Hartley Sweeten 2013-12-05 13:43:38 -07:00 committed by Greg Kroah-Hartman
parent 98f6303b6f
commit 1580994f6c
1 changed files with 1 additions and 2 deletions
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3
drivers/staging/comedi/drivers/dt3000.c
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@ -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) {