From: David Schleef <ds@schleef.org>
Date: Mon, 6 Mar 2000 03:13:17 +0000 (+0000)
Subject: fix range_table==NULL bug
X-Git-Tag: r0_7_40~4
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=f32b15f7254ad6c89f6f59450333f329937db901;p=comedi.git

fix range_table==NULL bug
---

diff --git a/comedi/comedi_fops.c b/comedi/comedi_fops.c
index b4859b60..e3a6c108 100644
--- a/comedi/comedi_fops.c
+++ b/comedi/comedi_fops.c
@@ -203,8 +203,12 @@ static int do_subdinfo_ioctl(comedi_device *dev,comedi_subdinfo *arg,void *file)
 		us->timer_type		= TIMER_nanosec;
 		us->len_chanlist	= s->len_chanlist;
 		us->maxdata		= s->maxdata;
-		us->range_type		= (dev->minor<<24)|(i<<20)|(0<<16)|
-			(s->range_table->length);
+		if(s->range_table){
+			us->range_type	= (dev->minor<<24)|(i<<20)|(0<<16)|
+					(s->range_table->length);
+		}else{
+			us->range_type	= 0; /* XXX */
+		}
 		us->flags		= s->flags;
 		
 		if(s->busy)