From 38a6d110e7aab35abeef2ba8d1f8bdc9116b84e0 Mon Sep 17 00:00:00 2001
From: gibbed <rick@gibbed.us>
Date: Sun, 4 Aug 2019 00:27:49 -0500
Subject: [PATCH] [APU] Only wait on the worker thread if it actually exists.

---
 src/xenia/apu/audio_system.cc | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/xenia/apu/audio_system.cc b/src/xenia/apu/audio_system.cc
index f37084ce1..befbca4d6 100644
--- a/src/xenia/apu/audio_system.cc
+++ b/src/xenia/apu/audio_system.cc
@@ -158,8 +158,10 @@ void AudioSystem::Initialize() {}
 void AudioSystem::Shutdown() {
   worker_running_ = false;
   shutdown_event_->Set();
-  worker_thread_->Wait(0, 0, 0, nullptr);
-  worker_thread_.reset();
+  if (worker_thread_) {
+    worker_thread_->Wait(0, 0, 0, nullptr);
+    worker_thread_.reset();
+  }
 }
 
 X_STATUS AudioSystem::RegisterClient(uint32_t callback, uint32_t callback_arg,