RegisterDragDrop: fail on NULL drop target.

49b39822 · Jon Griffiths · Alexandre Julliard · b64c6270 · 49b39822
Commit 49b39822 authored Mar 30, 2004 by Jon Griffiths Committed by Alexandre Julliard Mar 30, 2004
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ole2.c dlls/ole32/ole2.c +3 -0

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--- a/dlls/ole32/ole2.c
+++ b/dlls/ole32/ole2.c
@@ -332,6 +332,9 @@ HRESULT WINAPI RegisterDragDrop(
  TRACE("(%p,%p)\n", hwnd, pDropTarget);
+  if (!pDropTarget)
+    return E_INVALIDARG;
  /*
   * First, check if the window is already registered.
   */