check for mLines being being null in FrameDeletedReflow

git-svn-id: svn://10.0.0.236/trunk@9333 18797224-902f-48f8-a5cc-f745e15eee43
1998-09-04 13:33:22 +00:00
parent 5412c22c77
commit 70889d7b15
1 changed files with 3 additions and 0 deletions
--- a/mozilla/layout/css/layout/src/nsCSSBlockFrame.cpp
+++ b/mozilla/layout/css/layout/src/nsCSSBlockFrame.cpp
@@ -1952,6 +1952,9 @@ nsCSSBlockFrame::FrameInsertedReflow(nsCSSBlockReflowState& aState)
 nsresult
 nsCSSBlockFrame::FrameDeletedReflow(nsCSSBlockReflowState& aState)
 {
+  if (nsnull == mLines) {
+    return NS_OK;
+  } 
  LineData* line = mLines;
  while (nsnull != line->mNext) {
    if (line->IsDirty()) {