[PATCH 4.2.y-ckt 031/218] staging: comedi: ni_tiocmd: change mistaken use of start_src for start_arg

From: Kamal Mostafa
Date: Thu Mar 31 2016 - 17:20:06 EST

4.2.8-ckt7 -stable review patch. If anyone has any objections, please let me know.


From: "Spencer E. Olson" <olsonse@xxxxxxxxx>

commit 1fd24a4702d2af0ea4d5845126cf57d4d1796216 upstream.

This fixes a bug in function ni_tio_input_inttrig(). The trigger number
should be compared to cmd->start_arg, not cmd->start_src.

Fixes: 6a760394d7eb ("staging: comedi: ni_tiocmd: clarify the cmd->start_arg validation and use")
Signed-off-by: Spencer E. Olson <olsonse@xxxxxxxxx>
Reviewed-by: Ian Abbott <abbotti@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Kamal Mostafa <kamal@xxxxxxxxxxxxx>
drivers/staging/comedi/drivers/ni_tiocmd.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/comedi/drivers/ni_tiocmd.c b/drivers/staging/comedi/drivers/ni_tiocmd.c
index 9b124b0..bfd4c3b 100644
--- a/drivers/staging/comedi/drivers/ni_tiocmd.c
+++ b/drivers/staging/comedi/drivers/ni_tiocmd.c
@@ -92,7 +92,7 @@ static int ni_tio_input_inttrig(struct comedi_device *dev,
unsigned long flags;
int ret = 0;

- if (trig_num != cmd->start_src)
+ if (trig_num != cmd->start_arg)
return -EINVAL;

spin_lock_irqsave(&counter->lock, flags);