Changeset 70635 in vbox

Timestamp:

Jan 18, 2018 4:57:59 PM (7 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

120359

Message:

Audio/DrvAudio: Fixed potential deadlock situation in drvAudioStateHandler() if backend (lower driver) is not initialized (yet).

File:

• trunk/src/VBox/Devices/Audio/DrvAudio.cpp (modified) (2 diffs)

trunk/src/VBox/Devices/Audio/DrvAudio.cpp

@@ -8 +8 @@
 
 /*
- * Copyright (C) 2006-2017 Oracle Corporation
+ * Copyright (C) 2006-2018 Oracle Corporation
  *
  * This file is part of VirtualBox Open Source Edition (OSE), as
@@ -2176 +2176 @@
     AssertRC(rc2);
 
-    if (!pThis->pHostDrvAudio)
-        return;
-
-    PPDMAUDIOSTREAM pHstStream;
-    RTListForEach(&pThis->lstHstStreams, pHstStream, PDMAUDIOSTREAM, Node)
-        drvAudioStreamControlInternalBackend(pThis, pHstStream, enmCmd);
+    if (pThis->pHostDrvAudio)
+    {
+        PPDMAUDIOSTREAM pHstStream;
+        RTListForEach(&pThis->lstHstStreams, pHstStream, PDMAUDIOSTREAM, Node)
+            drvAudioStreamControlInternalBackend(pThis, pHstStream, enmCmd);
+    }
 
     rc2 = RTCritSectLeave(&pThis->CritSect);