From 12552f315f959c71d677c29fa6426267e6b6e4f5 Mon Sep 17 00:00:00 2001
From: Giuseppe Scrivano <gscrivan@redhat.com>
Date: Mon, 21 Jun 2021 15:11:25 +0200
Subject: [PATCH] main: check for parent->children before accessing it

this should not happen, but better be sure.

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
---
 main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/main.c b/main.c
index b448d9b..e89c51a 100644
--- a/main.c
+++ b/main.c
@@ -944,7 +944,7 @@ node_free (void *p)
 
   if (n->parent)
     {
-      if (hash_lookup (n->parent->children, n) == n)
+      if (n->parent->children && hash_lookup (n->parent->children, n) == n)
         hash_delete (n->parent->children, n);
       n->parent->loaded = 0;
       n->parent = NULL;