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 <hsweeten@xxxxxxxxxxxxxxxxxxx>
Reviewed-by: Ian Abbott <abbotti@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/comedi/drivers/ni_at_a2150.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/drivers/staging/comedi/drivers/ni_at_a2150.c b/drivers/staging/comedi/drivers/ni_at_a2150.c
index f8d6bfc..5bd19494 100644
--- a/drivers/staging/comedi/drivers/ni_at_a2150.c
+++ b/drivers/staging/comedi/drivers/ni_at_a2150.c
@@ -334,7 +334,7 @@ static int a2150_ai_cmdtest(struct comedi_device *dev,
{
const struct a2150_board *thisboard = comedi_board(dev);
int err = 0;
- int tmp;
+ unsigned int arg;
/* Step 1 : check if triggers are trivially valid */
@@ -379,10 +379,9 @@ static int a2150_ai_cmdtest(struct comedi_device *dev,
/* step 4: fix up any arguments */
if (cmd->scan_begin_src == TRIG_TIMER) {
- tmp = cmd->scan_begin_arg;
- a2150_get_timing(dev, &cmd->scan_begin_arg, cmd->flags);
- if (tmp != cmd->scan_begin_arg)
- err++;
+ arg = cmd->scan_begin_arg;
+ a2150_get_timing(dev, &arg, cmd->flags);
+ err |= cfc_check_trigger_arg_is(&cmd->scan_begin_arg, arg);
}
if (err)
--
1.9.2
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