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

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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>
This commit is contained in:
H Hartley Sweeten 2013-05-23 13:05:59 -07:00 • committed by Greg Kroah-Hartman
parent b986be8527
commit dd64d1efda
1 changed files with 2 additions and 2 deletions
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4
drivers/staging/comedi/drivers/usbduxsigma.c
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@ -994,9 +994,9 @@ static int usbduxsigma_ao_cmdtest(struct comedi_device *dev,
* we get all channels at once * we get all channels at once
*/ */
devpriv->ao_timer = cmd->scan_begin_arg / 1000000; 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) { if (cmd->stop_src == TRIG_COUNT) {
/* not continuous, use counter */ /* not continuous, use counter */