staging: comedi: das800: 'dev->subdevices + 0' is already known

There is no need to calculate the subdevice for the call to
das800_cancel. The variable 's' in this function is set to the
'dev->read_subdev' which is the same as 'dev->subdevices + 0'.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2012-09-05 18:38:11 -07:00 committed by Greg Kroah-Hartman
parent 92cfef5d90
commit 77d2f7c247

View File

@ -435,7 +435,7 @@ static irqreturn_t das800_interrupt(int irq, void *d)
if (fifo_overflow) {
spin_unlock_irqrestore(&dev->spinlock, irq_flags);
comedi_error(dev, "DAS800 FIFO overflow");
das800_cancel(dev, dev->subdevices + 0);
das800_cancel(dev, s);
async->events |= COMEDI_CB_ERROR | COMEDI_CB_EOA;
comedi_event(dev, s);
async->events = 0;