From: themylogin <themylogin@gmail.com>
Date: Wed, 27 Mar 2019 17:09:55 +0000 (+0100)
Subject: fix segfault on non-existent RRD file when using rrdcached
X-Git-Tag: v1.7.2~19
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=24b922a2eae193d5d44c01a75786aca4b277a4db;p=thirdparty%2Frrdtool-1.x.git

fix segfault on non-existent RRD file when using rrdcached

fix segfault on non-existent RRD file when using rrdcached + rrdtool xport
(like 814ca69a3329ccc88040ed184a413e4e5adf604c does for rrdtool graph)
---

diff --git a/src/rrd_xport.c b/src/rrd_xport.c
index 0df0af55..3a402a4f 100644
--- a/src/rrd_xport.c
+++ b/src/rrd_xport.c
@@ -265,7 +265,7 @@ static int rrd_xport_fn(
 
 
     /* pull the data from the rrd files ... */
-    if (data_fetch(im) == -1)
+    if (data_fetch(im) != 0)
         return -1;
 
     /* evaluate CDEF  operations ... */