[PATCH 4/6] dmusic: Don't crash on NULL in IDirectMusicObject::GetDescriptor

[Michael Stefaniuc]

---
 dlls/dmusic/collection.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/dlls/dmusic/collection.c b/dlls/dmusic/collection.c
index a519b2a..4c6a034 100644
--- a/dlls/dmusic/collection.c
+++ b/dlls/dmusic/collection.c
@@ -181,7 +181,9 @@ static HRESULT WINAPI IDirectMusicCollectionImpl_IDirectMusicObject_GetDescripto
 
     TRACE("(%p/%p)->(%p)\n", iface, This, pDesc);
 
-    /* I think we shouldn't return pointer here since then values can be changed; it'd be a mess */
+    if (!pDesc)
+        return E_POINTER;
+
     memcpy (pDesc, This->pDesc, This->pDesc->dwSize);
 
     return S_OK;
-- 
1.8.3.1