From: Frank Mori Hess <fmhess@speakeasy.net>
Date: Thu, 10 Jan 2002 18:10:17 +0000 (+0000)
Subject: according to linux device drivers, POSIX standard is to return -ENOTTY for
X-Git-Tag: r0_7_62~27
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=61aafc871dee9e2b1e5344a90ade212ca704fca8;p=comedi.git

according to linux device drivers, POSIX standard is to return -ENOTTY for
invalid ioctl number
---

diff --git a/comedi/comedi_fops.c b/comedi/comedi_fops.c
index 7217ba87..c53ff45d 100644
--- a/comedi/comedi_fops.c
+++ b/comedi/comedi_fops.c
@@ -123,9 +123,8 @@ static int comedi_ioctl(struct inode * inode,struct file * file,
 	case COMEDI_POLL:
 		return do_poll_ioctl(dev,arg,file);
 	default:
-		return -EIO;
+		return -ENOTTY;
 	}
-	return -EIO;
 }