The cmd->start_arg should be trivially validated in Step 3 of the
(*do_cmdtest) functions. Add the necessary code.
Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
Cc: Ian Abbott <abbotti@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/comedi/drivers/me4000.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/staging/comedi/drivers/me4000.c b/drivers/staging/comedi/drivers/me4000.c
index 717965b..1537d11 100644
--- a/drivers/staging/comedi/drivers/me4000.c
+++ b/drivers/staging/comedi/drivers/me4000.c
@@ -915,6 +915,8 @@ static int me4000_ai_do_cmd_test(struct comedi_device *dev,
/* Step 3: check if arguments are trivially valid */
+ err |= cfc_check_trigger_arg_is(&cmd->start_arg, 0);
+
if (init_ticks < 66) {
cmd->start_arg = 2000;
err |= -EINVAL;
--
1.8.5.2
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