dmloader: Fixed crash in releasing DMusicContainer

[Piotr Caban]

Hi,

Changelog:
 - Fixed crash in releasing DMusicContainer

 dlls/dmloader/container.c |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

--
Piotr

-------------- next part --------------
diff --git a/dlls/dmloader/container.c b/dlls/dmloader/container.c
index 2eda426..2efc820 100644
--- a/dlls/dmloader/container.c
+++ b/dlls/dmloader/container.c
@@ -914,10 +914,16 @@ HRESULT WINAPI DMUSIC_DestroyDirectMusic
 
 	/* get loader (from stream we loaded from) */
 	TRACE(": getting loader\n");
+	if(!This->pStream)
+	{
+		InterlockedDecrement (&dwDirectMusicContainer);
+		return S_OK;
+	}
+
 	IStream_QueryInterface (This->pStream, &IID_IDirectMusicGetLoader, (LPVOID*)&pGetLoader);
 	IDirectMusicGetLoader_GetLoader (pGetLoader, &pLoader);
 	IDirectMusicGetLoader_Release (pGetLoader);
-	
+
 	/* release objects from loader's cache (if appropriate) */
 	TRACE(": releasing objects from loader's cache\n");
 	LIST_FOR_EACH (pEntry, This->pContainedObjects) {