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Fix bustage of bug 369260, null check

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ginn.chen%sun.com 2007-03-01 09:59:13 +00:00
parent d9e209b096
commit db3c3551d9
1 changed files with 3 additions and 1 deletions
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4
accessible/src/base/nsDocAccessible.cpp
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@ -542,7 +542,9 @@ void nsDocAccessible::ShutdownChildDocuments(nsIDocShellTreeItem *aStart)
nsCOMPtr<nsIAccessibleDocument> docAccessible = nsCOMPtr<nsIAccessibleDocument> docAccessible =
GetDocAccessibleFor(treeItemChild); GetDocAccessibleFor(treeItemChild);
nsCOMPtr<nsPIAccessNode> accessNode = do_QueryInterface(docAccessible); nsCOMPtr<nsPIAccessNode> accessNode = do_QueryInterface(docAccessible);
accessNode->Shutdown(); if (accessNode) {
accessNode->Shutdown();
}
} }
} }
} }