From 8dc2b6bf8102b0ebd6d5db143638dc6de02ad7b3 Mon Sep 17 00:00:00 2001
From: toaster <rollerorbital@gmail.com>
Date: Thu, 1 Dec 2022 16:57:30 +0000
Subject: [PATCH] I_Error on failed challengegrid malloc

---
 src/m_cond.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/m_cond.c b/src/m_cond.c
index 4d33a0a05..02e86b018 100644
--- a/src/m_cond.c
+++ b/src/m_cond.c
@@ -107,6 +107,11 @@ void M_PopulateChallengeGrid(void)
 		(gamedata->challengegridwidth * CHALLENGEGRIDHEIGHT * sizeof(UINT8)),
 		PU_STATIC, NULL);
 
+	if (!gamedata->challengegrid)
+	{
+		I_Error("M_PopulateChallengeGrid: was not able to allocate grid");
+	}
+
 	memset(gamedata->challengegrid,
 		MAXUNLOCKABLES,
 		(gamedata->challengegridwidth * CHALLENGEGRIDHEIGHT * sizeof(UINT8)));