From: Frank Mori Hess <fmhess@speakeasy.net>
Date: Tue, 26 Nov 2002 20:01:58 +0000 (+0000)
Subject: fix incorrect return of error when mmapping entire buffer
X-Git-Tag: r0_7_67x~156
X-Git-Url: http://git.tremily.us/gitweb.cgi?a=commitdiff_plain;h=cb98ac7ba78dbf48ad59caaed66aa0402035dd4a;p=comedi.git

fix incorrect return of error when mmapping entire buffer
---

diff --git a/comedi/comedi_fops.c b/comedi/comedi_fops.c
index 5095cfd4..ff92eebc 100644
--- a/comedi/comedi_fops.c
+++ b/comedi/comedi_fops.c
@@ -1258,7 +1258,7 @@ static int comedi_mmap_v22(struct file * file, struct vm_area_struct *vma)
 #endif
 
 	size = vma->vm_end - vma->vm_start;
-	if(size>=async->prealloc_bufsz)
+	if(size>async->prealloc_bufsz)
 		return -EFAULT;
 	if(size&(~PAGE_MASK))
 		return -EFAULT;