From 0e94dca563f3f5981ee3fae9c2f4a93f3569f2ac Mon Sep 17 00:00:00 2001
From: Jonathan G Rennison <j.g.rennison@gmail.com>
Date: Sun, 4 Jun 2023 21:38:08 +0100
Subject: [PATCH] Fix GetLinkGraphJobDesc for null saveload conv settings

---
 src/saveload/linkgraph_sl.cpp | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/saveload/linkgraph_sl.cpp b/src/saveload/linkgraph_sl.cpp
index dae5f47da4..77594c625c 100644
--- a/src/saveload/linkgraph_sl.cpp
+++ b/src/saveload/linkgraph_sl.cpp
@@ -71,9 +71,11 @@ SaveLoadTable GetLinkGraphJobDesc()
 		while (desc != nullptr) {
 			if (desc->name != nullptr && strncmp(desc->name, prefix, prefixlen) == 0) {
 				SaveLoad sl = desc->save;
-				char *&address = reinterpret_cast<char *&>(sl.address);
-				address -= offset_gamesettings;
-				address += offset_component;
+				if (GetVarMemType(sl.conv) != SLE_VAR_NULL) {
+					char *&address = reinterpret_cast<char *&>(sl.address);
+					address -= offset_gamesettings;
+					address += offset_component;
+				}
 				saveloads.push_back(sl);
 			}
 			desc = GetSettingDescription(++setting);