Remove the unnecessary comments and dev_err() noise.
Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
Cc: Ian Abbott <abbotti@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/comedi/drivers/usbduxfast.c | 11 ++---------
1 file changed, 2 insertions(+), 9 deletions(-)
diff --git a/drivers/staging/comedi/drivers/usbduxfast.c b/drivers/staging/comedi/drivers/usbduxfast.c
index 8092436..a6b031e 100644
--- a/drivers/staging/comedi/drivers/usbduxfast.c
+++ b/drivers/staging/comedi/drivers/usbduxfast.c
@@ -203,23 +203,16 @@ 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);
--
1.8.1.4
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