From 6622616ec781f12db97b3241b2f2fc8a786ad38b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Ekl=C3=B6f?= <daniel@ekloef.se>
Date: Mon, 29 Apr 2019 18:47:46 +0200
Subject: [PATCH] yml: post-process: root's node may be NULL (empty
 configuration)

---
 yml.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/yml.c b/yml.c
index 0e45211..5369b5f 100644
--- a/yml.c
+++ b/yml.c
@@ -182,7 +182,8 @@ post_process(struct yml_node *node)
 {
     switch (node->type) {
     case ROOT:
-        post_process(node->root.root);
+        if (node->root.root != NULL)
+            post_process(node->root.root);
         break;
 
     case SCALAR: