From 56f656516d8ed10c15403cfe4dd2b130c551ba41 Mon Sep 17 00:00:00 2001
From: "alexey.lysiuk" <alexey.lysiuk@gmail.com>
Date: Tue, 16 Jan 2018 11:00:48 +0200
Subject: [PATCH] Fixed rare crash when menu is closed from Ticker() function

https://forum.zdoom.org/viewtopic.php?t=59112
---
 src/menu/menu.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/menu/menu.cpp b/src/menu/menu.cpp
index db0fd2efb..86ec78abf 100644
--- a/src/menu/menu.cpp
+++ b/src/menu/menu.cpp
@@ -735,7 +735,11 @@ void M_Ticker (void)
 	if (CurrentMenu != nullptr && menuactive != MENU_Off) 
 	{
 		CurrentMenu->CallTicker();
+	}
 
+	// Check again because menu could be closed from Ticker()
+	if (CurrentMenu != nullptr && menuactive != MENU_Off)
+	{
 		for (int i = 0; i < NUM_MKEYS; ++i)
 		{
 			if (MenuButtons[i].bDown)