Commit 61b3980f authored by H Hartley Sweeten's avatar H Hartley Sweeten Committed by Greg Kroah-Hartman
Browse files

staging: comedi: pcl816: reduce indent level in pcl816_ai_cancel() 



If an async command is not running the (*cancel) function doesn't do
anything. Exit the function early if this is the case.

This allows reducing the indent level in the rest of the function.

Signed-off-by: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: default avatarIan Abbott <abbotti@mev.co.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent a8f461c2

drivers/staging/comedi/drivers/pcl816.c

+30 −29
Original line number Diff line number Diff line
@@ -549,7 +549,9 @@ static int pcl816_ai_cancel(struct comedi_device *dev, 
{

	struct pcl816_private *devpriv = dev->private;



	if (devpriv->ai_cmd_running) {

	if (!devpriv->ai_cmd_running)

		return 0;



	switch (devpriv->int816_mode) {

	case INT_TYPE_AI1_DMA:

	case INT_TYPE_AI3_DMA:
@@ -576,10 +578,9 @@ static int pcl816_ai_cancel(struct comedi_device *dev, 
		devpriv->ai_cmd_running = 0;

		devpriv->irq_was_now_closed = 1;

		devpriv->int816_mode = 0;

/* s->busy = 0; */

		break;

	}

	}



	return 0;

}