From 1e985f9dba0e9de90535aa48ed5cd1dd5b658c61 Mon Sep 17 00:00:00 2001
From: David Schleef <ds@schleef.org>
Date: Fri, 31 Jan 2003 03:49:26 +0000
Subject: [PATCH] Fix missing bounds check

---
 comedi/drivers/comedi_parport.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/comedi/drivers/comedi_parport.c b/comedi/drivers/comedi_parport.c
index bb1d8e22..8f963514 100644
--- a/comedi/drivers/comedi_parport.c
+++ b/comedi/drivers/comedi_parport.c
@@ -170,6 +170,8 @@ static int parport_insn_c(comedi_device *dev,comedi_subdevice *s,
 static int parport_intr_insn(comedi_device *dev,comedi_subdevice *s,
 	comedi_insn *insn,lsampl_t *data)
 {
+	if(insn->n<1)return -EINVAL;
+
 	data[1] = 0;
 	return 2;
 }
-- 
2.26.2