Use the dev->write_subdev that was setup in the device attach instead
of accessing the dev->subdevices array directly.
Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
Cc: Ian Abbott <abbotti@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/comedi/drivers/dt282x.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/staging/comedi/drivers/dt282x.c b/drivers/staging/comedi/drivers/dt282x.c
index 5815fc2..ae714a5 100644
--- a/drivers/staging/comedi/drivers/dt282x.c
+++ b/drivers/staging/comedi/drivers/dt282x.c
@@ -306,10 +306,10 @@ static void dt282x_munge(struct comedi_device *dev, unsigned short *buf,
static void dt282x_ao_dma_interrupt(struct comedi_device *dev)
{
struct dt282x_private *devpriv = dev->private;
+ struct comedi_subdevice *s = dev->write_subdev;
void *ptr;
int size;
int i;
- struct comedi_subdevice *s = &dev->subdevices[1];
outw(devpriv->supcsr | DT2821_CLRDMADNE, dev->iobase + DT2821_SUPCSR);
@@ -449,7 +449,7 @@ static irqreturn_t dt282x_interrupt(int irq, void *d)
struct comedi_device *dev = d;
struct dt282x_private *devpriv = dev->private;
struct comedi_subdevice *s = dev->read_subdev;
- struct comedi_subdevice *s_ao;
+ struct comedi_subdevice *s_ao = dev->write_subdev;
unsigned int supcsr, adcsr, dacsr;
int handled = 0;
@@ -458,7 +458,6 @@ static irqreturn_t dt282x_interrupt(int irq, void *d)
return IRQ_HANDLED;
}
- s_ao = &dev->subdevices[1];
adcsr = inw(dev->iobase + DT2821_ADCSR);
dacsr = inw(dev->iobase + DT2821_DACSR);
supcsr = inw(dev->iobase + DT2821_SUPCSR);
--
1.8.4.4
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