dmusic: Lock/unlock the module only on creation/destruction of the object.

dlls/dmusic/collection.c

@@ -92,8 +92,6 @@ static ULONG WINAPI IDirectMusicCollectionImpl_IDirectMusicCollection_AddRef(LPD
 
     TRACE("(%p/%p)->(): new ref = %u\n", iface, This, ref);
 
-    DMUSIC_LockModule();
-
     return ref;
 }
 
@@ -104,10 +102,10 @@ static ULONG WINAPI IDirectMusicCollectionImpl_IDirectMusicCollection_Release(LP
 
     TRACE("(%p/%p)->(): new ref = %u\n", iface, This, ref);
 
-    if (!ref)
+    if (!ref) {
         HeapFree(GetProcessHeap(), 0, This);
-
-    DMUSIC_UnlockModule();
+        DMUSIC_UnlockModule();
+    }
 
     return ref;
 }
@@ -851,6 +849,7 @@ HRESULT WINAPI DMUSIC_CreateDirectMusicCollectionImpl(LPCGUID lpcGUID, LPVOID* p
         obj->ref = 1;
 	list_init (&obj->Instruments);
 
+        DMUSIC_LockModule();
         hr = IDirectMusicCollection_QueryInterface(&obj->IDirectMusicCollection_iface, lpcGUID, ppobj);
         IDirectMusicCollection_Release(&obj->IDirectMusicCollection_iface);
 

dlls/dmusic/download.c

@@ -52,8 +52,6 @@ static ULONG WINAPI IDirectMusicDownloadImpl_AddRef(IDirectMusicDownload *iface)
 
     TRACE("(%p)->(): new ref = %u\n", iface, ref);
 
-    DMUSIC_LockModule();
-
     return ref;
 }
 
@@ -64,10 +62,10 @@ static ULONG WINAPI IDirectMusicDownloadImpl_Release(IDirectMusicDownload *iface
 
     TRACE("(%p)->(): new ref = %u\n", iface, ref);
 
-    if (!ref)
+    if (!ref) {
         HeapFree(GetProcessHeap(), 0, This);
-
-    DMUSIC_UnlockModule();
+        DMUSIC_UnlockModule();
+    }
 
     return ref;
 }
@@ -102,5 +100,7 @@ HRESULT DMUSIC_CreateDirectMusicDownloadImpl(const GUID *guid, void **ret_iface,
     download->IDirectMusicDownload_iface.lpVtbl = &DirectMusicDownload_Vtbl;
     download->ref = 1;
     *ret_iface = download;
+
+    DMUSIC_LockModule();
     return S_OK;
 }

dlls/dmusic/port.c

@@ -70,8 +70,6 @@ static ULONG WINAPI IDirectMusicDownloadedInstrumentImpl_AddRef(LPDIRECTMUSICDOW
 
     TRACE("(%p)->(): new ref = %u\n", iface, ref);
 
-    DMUSIC_LockModule();
-
     return ref;
 }
 
@@ -86,10 +84,9 @@ static ULONG WINAPI IDirectMusicDownloadedInstrumentImpl_Release(LPDIRECTMUSICDO
     {
         HeapFree(GetProcessHeap(), 0, This->data);
         HeapFree(GetProcessHeap(), 0, This);
+        DMUSIC_UnlockModule();
     }
 
-    DMUSIC_UnlockModule();
-
     return ref;
 }
 
@@ -123,6 +120,7 @@ static HRESULT DMUSIC_CreateDirectMusicDownloadedInstrumentImpl(IDirectMusicDown
     object->ref = 1;
 
     *instrument = &object->IDirectMusicDownloadedInstrument_iface;
+    DMUSIC_LockModule();
 
     return S_OK;
 }