src/graph_instance.c: Check return value of "def_get_rrdargs".

diff --git a/src/graph_instance.c b/src/graph_instance.c
index 23d88dcd8e40737f2cdee69178dbd54f47fd3db2..a834950c7517f2c63ca72356ac49fd2a9ac5bd9b 100644 (file)
--- 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);