mshtml: Handle NULL aNode in nsContextMenuListener_OnShowContextMenu.

Signed-off-by: Aric Stewart <aric@codeweavers.com> Signed-off-by: Jacek Caban <jacek@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

mshtml: Handle NULL aNode in nsContextMenuListener_OnShowContextMenu.
307f163f · Aric Stewart · Alexandre Julliard · 984d586d · 307f163f
Commit 307f163f authored May 31, 2019 by Aric Stewart Committed by Alexandre Julliard May 31, 2019
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nsembed.c dlls/mshtml/nsembed.c +3 -0

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--- a/dlls/mshtml/nsembed.c
+++ b/dlls/mshtml/nsembed.c
@@ -1601,6 +1601,9 @@ static nsresult NSAPI nsContextMenuListener_OnShowContextMenu(nsIContextMenuList

    TRACE("(%p)->(%08x %p %p)\n", This, aContextFlags, aEvent, aNode);

+    if (!aNode)
+        return NS_ERROR_FAILURE;
+
    hres = get_node(aNode, TRUE, &node);
    if(FAILED(hres))
        return NS_ERROR_FAILURE;