From 7770530829708d091629a71abcdba808ab73f830 Mon Sep 17 00:00:00 2001
From: Holger Weiss <hweiss@users.sourceforge.net>
Date: Sat, 31 Mar 2007 17:29:50 +0000
Subject: Avoid division by zero.

git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@1664 f882894a-f735-0410-b71e-b25c423dba1c

diff --git a/plugins/check_ntp.c b/plugins/check_ntp.c
index 013c24b..861d0ba 100644
--- a/plugins/check_ntp.c
+++ b/plugins/check_ntp.c
@@ -608,7 +608,7 @@ double jitter_request(const char *host, int *status){
 		}
 	}
 
-	rval /= num_valid;
+	rval = num_valid ? rval / num_valid : -1.0;
 
 	close(conn);
 	free(peers);
-- 
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