From 1baa42d7946c42bbefe8367e7472ec305ae1d337 Mon Sep 17 00:00:00 2001
From: kpfleming <kpfleming@5390a7c7-147a-4af0-8ec9-7488f05a26cb>
Date: Fri, 2 Sep 2005 20:27:45 +0000
Subject: make 'cat /proc/zaptel/1' not fail with only ztdummy loaded (issue
 #5069)

git-svn-id: http://svn.digium.com/svn/zaptel/branches/v1-0@756 5390a7c7-147a-4af0-8ec9-7488f05a26cb
---
 zaptel.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/zaptel.c b/zaptel.c
index ac85f01..c5353b9 100755
--- a/zaptel.c
+++ b/zaptel.c
@@ -571,6 +571,11 @@ static int zaptel_proc_read(char *page, char **start, off_t off, int count, int
 			}
 		}
 	}
+	if ( len <= off ) /* If everything printed so far is before beginning of request */
+	{
+		off -= len;
+		len = 0;
+	}
 	*start = page + off;
 	return len;
 }
-- 
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