From 430a6f3247c26afc5e81e29d4ee9e3bc5a4a3e2e Mon Sep 17 00:00:00 2001
From: "alexey.lysiuk" <alexey.lysiuk@gmail.com>
Date: Mon, 9 Dec 2019 15:43:01 +0200
Subject: [PATCH] - fixed crash when exiting before sound engine initialization

https://forum.zdoom.org/viewtopic.php?t=66605
---
 src/sound/s_advsound.cpp | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/src/sound/s_advsound.cpp b/src/sound/s_advsound.cpp
index 113cb36d7..d3c79c54c 100644
--- a/src/sound/s_advsound.cpp
+++ b/src/sound/s_advsound.cpp
@@ -741,10 +741,14 @@ void FPlayerSoundHashTable::MarkUsed()
 
 void S_ClearSoundData()
 {
-	soundEngine->StopAllChannels();
-	soundEngine->UnloadAllSounds();
-	auto &S_sfx = soundEngine->GetSounds();
-	S_sfx.Clear();
+	if (soundEngine)
+	{
+		soundEngine->StopAllChannels();
+		soundEngine->UnloadAllSounds();
+		soundEngine->GetSounds().Clear();
+		soundEngine->ClearRandoms();
+	}
+
 	Ambients.Clear();
 	while (MusicVolumes != NULL)
 	{
@@ -752,7 +756,6 @@ void S_ClearSoundData()
 		MusicVolumes = me->Next;
 		M_Free(me);
 	}
-	soundEngine->ClearRandoms();
 
 	NumPlayerReserves = 0;
 	PlayerClassesIsSorted = false;