staging: comedi: usbduxfast: tidy up usbduxfast_ai_cancel() (ce976fdb) · Commits · 戴 / test

Remove the unnecessary comments and dev_err() noise. Signed-off-by:

H Hartley Sweeten <hsweeten@visionengravers.com> Cc: Ian Abbott <abbotti@mev.co.uk> Signed-off-by:

drivers/staging/comedi/drivers/usbduxfast.c

+2 −9

Original line number	Diff line number	Diff line
		@@ -200,23 +200,16 @@ static int usbduxfast_ai_stop(struct comedi_device *dev, int do_unlink)
		return 0;
		}

		/*
		* This will cancel a running acquisition operation.
		* This is called by comedi but never from inside the driver.
		*/
		static int usbduxfast_ai_cancel(struct comedi_device *dev,
		struct comedi_subdevice *s)
		{
		struct usbduxfast_private *devpriv = dev->private;
		int ret;

		/* force unlink of all urbs */
		if (!devpriv) {
		dev_err(dev->class_dev, "%s: devpriv=NULL\n", __func__);
		if (!devpriv)
		return -EFAULT;
		}

		down(&devpriv->sem);
		/* unlink */
		ret = usbduxfast_ai_stop(dev, 1);
		up(&devpriv->sem);