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Commit 77d2f7c2 authored by H Hartley Sweeten's avatar H Hartley Sweeten Committed by Greg Kroah-Hartman
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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: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 92cfef5d

drivers/staging/comedi/drivers/das800.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -435,7 +435,7 @@ static irqreturn_t das800_interrupt(int irq, void *d) 
	if (fifo_overflow) {

	if (fifo_overflow) {

		spin_unlock_irqrestore(&dev->spinlock, irq_flags);

		spin_unlock_irqrestore(&dev->spinlock, irq_flags);

		comedi_error(dev, "DAS800 FIFO overflow");

		comedi_error(dev, "DAS800 FIFO overflow");

		das800_cancel(dev, dev->subdevices + 0);

		das800_cancel(dev, s);

		async->events |= COMEDI_CB_ERROR | COMEDI_CB_EOA;

		async->events |= COMEDI_CB_ERROR | COMEDI_CB_EOA;

		comedi_event(dev, s);

		comedi_event(dev, s);

		async->events = 0;

		async->events = 0;