From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Thu, 23 May 2013 20:05:59 +0000 (-0700)
Subject: staging: comedi: usbduxsigma: check for invalid 'ao_timer' in all cases
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=dd64d1efdab83d0c702a27ee7893c5df492cfe1f;p=deliverable%2Flinux.git

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 ed5085a70807..aa0090c55f60 100644
--- 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 */