diff --git a/services/audioflinger/PatchCommandThread.cpp b/services/audioflinger/PatchCommandThread.cpp
index c3cb7e7..f4aab1f 100644
--- a/services/audioflinger/PatchCommandThread.cpp
+++ b/services/audioflinger/PatchCommandThread.cpp
@@ -56,7 +56,9 @@
     releaseAudioPatchCommand(handle);
 }
 
-bool AudioFlinger::PatchCommandThread::threadLoop() {
+bool AudioFlinger::PatchCommandThread::threadLoop()
+NO_THREAD_SAFETY_ANALYSIS  // bug in clang compiler.
+{
     std::unique_lock _l(mLock);
 
     while (!exitPending()) {