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Bug 571246 - Crash @nsCoreUtils::IsAncestorOf(nsINode*,nsINode*,nsINode*), r=bz, davidb

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This commit is contained in:
Alexander Surkov 2010-06-11 17:23:04 +09:00
parent 037e2ec128
commit 1cca3ad2d5
1 changed files with 2 additions and 1 deletions
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3
accessible/src/base/nsCoreUtils.cpp
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@ -320,7 +320,8 @@ nsCoreUtils::IsAncestorOf(nsINode *aPossibleAncestorNode,
NS_ENSURE_TRUE(aPossibleAncestorNode && aPossibleDescendantNode, PR_FALSE);
nsINode *parentNode = aPossibleDescendantNode;
while ((parentNode = parentNode->GetNodeParent()) != aRootNode) {
while ((parentNode = parentNode->GetNodeParent()) &&
parentNode != aRootNode) {
if (parentNode == aPossibleAncestorNode)
return PR_TRUE;
}