From 5b3d96f602130b08e5a3a7292330117d58cacf42 Mon Sep 17 00:00:00 2001
From: Florian Forster <octo@verplant.org>
Date: Thu, 9 Sep 2010 17:03:14 +0200
Subject: [PATCH] src/graph_instance.c: Check return value of
 "def_get_rrdargs".

---
 src/graph_instance.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/graph_instance.c b/src/graph_instance.c
index 23d88dc..a834950 100644
--- a/src/graph_instance.c
+++ b/src/graph_instance.c
@@ -150,13 +150,20 @@ static int gl_instance_get_rrdargs_cb (graph_def_t *def, void *user_data) /* {{{
   rrd_args_t *args = data->args;
 
   size_t i;
+  int status;
 
   for (i = 0; i < inst->files_num; i++)
   {
     if (!def_matches (def, inst->files[i]))
       continue;
 
-    def_get_rrdargs (def, inst->files[i], args);
+    status = def_get_rrdargs (def, inst->files[i], args);
+    if (status != 0)
+    {
+      fprintf (stderr, "gl_instance_get_rrdargs_cb: def_get_rrdargs failed with status %i\n",
+          status);
+      fflush (stderr);
+    }
   }
 
   return (0);
-- 
2.11.0