From d79e53a0e392b576a2d43adcfe1ef2dcaf2bdc96 Mon Sep 17 00:00:00 2001
From: James R <justsomejames2@gmail.com>
Date: Fri, 3 Mar 2023 03:41:02 -0800
Subject: [PATCH] G_SaveGameData: check for NULL

This fixes I_Error if used before M_NewDataStruct is
called.
---
 src/g_game.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/g_game.c b/src/g_game.c
index a0d187790..9c9487339 100644
--- a/src/g_game.c
+++ b/src/g_game.c
@@ -4582,7 +4582,7 @@ void G_SaveGameData(void)
 	UINT8 btemp;
 	savebuffer_t save = {0};
 
-	if (!gamedata->loaded)
+	if (gamedata == NULL || !gamedata->loaded)
 		return; // If never loaded (-nodata), don't save
 
 	if (usedCheats)