From 77d2f7c24725e3caa82492dd3d1cbd466b8a0abf Mon Sep 17 00:00:00 2001 From: H Hartley Sweeten Date: Wed, 5 Sep 2012 18:38:11 -0700 Subject: [PATCH] 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 Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/drivers/das800.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/comedi/drivers/das800.c b/drivers/staging/comedi/drivers/das800.c index a0959a5..834054d 100644 --- a/drivers/staging/comedi/drivers/das800.c +++ b/drivers/staging/comedi/drivers/das800.c @@ -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; -- 2.7.4