Don't crash on triple-clicking when there's an orphan content somewhere. bug=370174 r+sr=roc blocking1.9=dbaron

git-svn-id: svn://10.0.0.236/trunk@246323 18797224-902f-48f8-a5cc-f745e15eee43
2008-02-22 21:21:15 +00:00
parent c175001aed
commit 31501ac213
1 changed files with 3 additions and 2 deletions
--- a/mozilla/layout/generic/nsFrame.cpp
+++ b/mozilla/layout/generic/nsFrame.cpp
@@ -4540,8 +4540,9 @@ FindBlockFrameOrBR(nsIFrame* aFrame, nsDirection aDirection)
      aFrame->GetType() == nsGkAtoms::brFrame) {
    nsIContent* content = aFrame->GetContent();
    result.mContent = content->GetParent();
-    result.mOffset = result.mContent->IndexOf(content) + 
-      (aDirection == eDirPrevious ? 1 : 0);
+    if (result.mContent)
+      result.mOffset = result.mContent->IndexOf(content) + 
+        (aDirection == eDirPrevious ? 1 : 0);
    return result;
  }