From 3e63b2f816def0dc18cef5f5c9d7e86c689e2e0c Mon Sep 17 00:00:00 2001
From: Gary Talent <gtalent2@gmail.com>
Date: Wed, 7 Mar 2018 00:15:42 -0600
Subject: [PATCH] Add missing validity checks to file store

---
 deps/ox/src/ox/fs/filestore/linkedlist.hpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/deps/ox/src/ox/fs/filestore/linkedlist.hpp b/deps/ox/src/ox/fs/filestore/linkedlist.hpp
index 60c9abde..61c469b7 100644
--- a/deps/ox/src/ox/fs/filestore/linkedlist.hpp
+++ b/deps/ox/src/ox/fs/filestore/linkedlist.hpp
@@ -162,8 +162,12 @@ typename LinkedList<size_t>::ItemPtr LinkedList<size_t>::malloc(size_t size) {
 			auto last = lastItem();
 			out->next = first;
 			out->prev = last;
-			first->prev = out;
-			last->next = out;
+			if (first.valid()) {
+				first->prev = out;
+			}
+			if (last.valid()) {
+				last->next = out;
+			}
 			m_header.bytesUsed += out.size();
 		}
 		return out;