From f43e400c9149967f8af308f2872caa6adde249e5 Mon Sep 17 00:00:00 2001
From: Gliniak <Gliniak93@gmail.com>
Date: Sun, 10 Oct 2021 23:12:57 +0200
Subject: [PATCH] Do not block XMA when there is no work buffer available

---
 src/xenia/kernel/xboxkrnl/xboxkrnl_audio_xma.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/xenia/kernel/xboxkrnl/xboxkrnl_audio_xma.cc b/src/xenia/kernel/xboxkrnl/xboxkrnl_audio_xma.cc
index 66e988ea0..b0ea18c50 100644
--- a/src/xenia/kernel/xboxkrnl/xboxkrnl_audio_xma.cc
+++ b/src/xenia/kernel/xboxkrnl/xboxkrnl_audio_xma.cc
@@ -385,6 +385,9 @@ dword_result_t XMABlockWhileInUse_entry(lpvoid_t context_ptr) {
     if (!context.input_buffer_0_valid && !context.input_buffer_1_valid) {
       break;
     }
+    if (!context.work_buffer_ptr) {
+      break;
+    }
     xe::threading::Sleep(std::chrono::milliseconds(1));
   } while (true);
   return 0;