staging: comedi: usbduxsigma: check for invalid 'ao_timer' in all cases

Make sure to check that the 'ao_timer' value is valid for both the
high speed and low speed cases in usbduxsigma_ao_cmdtest().

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/comedi/drivers/usbduxsigma.c b/drivers/staging/comedi/drivers/usbduxsigma.c
index ed5085a..aa0090c 100644 (file)
--- a/drivers/staging/comedi/drivers/usbduxsigma.c
+++ b/drivers/staging/comedi/drivers/usbduxsigma.c
@@ -994,9 +994,9 @@ static int usbduxsigma_ao_cmdtest(struct comedi_device *dev,
                 * we get all channels at once
                 */
                devpriv->ao_timer = cmd->scan_begin_arg / 1000000;
-               if (devpriv->ao_timer < 1)
-                       err |= -EINVAL;
        }
+       if (devpriv->ao_timer < 1)
+               err |= -EINVAL;
 
        if (cmd->stop_src == TRIG_COUNT) {
                /* not continuous, use counter */