Use the comedi_fc helper cfc_check_trigger_arg_is() to validate the
trigger argument when the source is TRIG_TIMER.
All the arguments are unsigned int, change the local variable to an
unsigned int and rename it for aesthetic reasons.
Signed-off-by: H Hartley Sweeten <hswee...@visionengravers.com>
Reviewed-by: Ian Abbott <abbo...@mev.co.uk>
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/staging/comedi/drivers/dt2814.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/drivers/staging/comedi/drivers/dt2814.c
b/drivers/staging/comedi/drivers/dt2814.c
index 3794b7e..904c9f0 100644
--- a/drivers/staging/comedi/drivers/dt2814.c
+++ b/drivers/staging/comedi/drivers/dt2814.c
@@ -128,7 +128,7 @@ static int dt2814_ai_cmdtest(struct comedi_device *dev,
struct comedi_subdevice *s, struct comedi_cmd *cmd)
{
int err = 0;
- int tmp;
+ unsigned int arg;
/* Step 1 : check if triggers are trivially valid */
@@ -170,10 +170,9 @@ static int dt2814_ai_cmdtest(struct comedi_device *dev,
/* step 4: fix up any arguments */
- tmp = cmd->scan_begin_arg;
- dt2814_ns_to_timer(&cmd->scan_begin_arg, cmd->flags & TRIG_ROUND_MASK);
- if (tmp != cmd->scan_begin_arg)
- err++;
+ arg = cmd->scan_begin_arg;
+ dt2814_ns_to_timer(&arg, cmd->flags & TRIG_ROUND_MASK);
+ err |= cfc_check_trigger_arg_is(&cmd->scan_begin_arg, arg);
if (err)
return 4;
--
1.9.2
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