Bug 528311 - Crash [@ nsXULTreeAccessible::GetTreeItemAccessible(int, nsIAccessible**) ], part2, r=marcoz, b192=beltzner

2009-11-30 13:59:09 +08:00 · 2009-11-30 13:59:09 +08:00 · 68811d1d7f
--- a/accessible/src/xul/nsXULTreeAccessible.cpp
+++ b/accessible/src/xul/nsXULTreeAccessible.cpp
@ -544,7 +544,7 @@ nsXULTreeAccessible::GetTreeItemAccessible(PRInt32 aRow,
 {
  *aAccessible = nsnull;

-  if (aRow < 0)
+  if (aRow < 0 || IsDefunct())
    return;

  PRInt32 rowCount = 0;