From 237f49d5b5b900e32147eb95ee5faa2e2661be1d Mon Sep 17 00:00:00 2001
From: Markus Stange <mstange@themasta.com>
Date: Sat, 1 Nov 2008 17:12:57 +0100
Subject: [PATCH] Fixing leak caused by bug 457864

---
 view/src/nsScrollPortView.cpp | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/view/src/nsScrollPortView.cpp b/view/src/nsScrollPortView.cpp
index e905fc7f762..8872f007905 100644
--- a/view/src/nsScrollPortView.cpp
+++ b/view/src/nsScrollPortView.cpp
@@ -268,9 +268,11 @@ NS_IMETHODIMP nsScrollPortView::ScrollTo(nscoord aDestinationX, nscoord aDestina
   PRBool isSmoothScroll = (aUpdateFlags & NS_VMREFRESH_SMOOTHSCROLL) &&
                           IsSmoothScrollingEnabled();
 
-  if (mAsyncScroll && mAsyncScroll->mIsSmoothScroll) {
-    currentVelocityX = mAsyncScroll->mVelocities[mAsyncScroll->mFrameIndex*2];
-    currentVelocityY = mAsyncScroll->mVelocities[mAsyncScroll->mFrameIndex*2 + 1];
+  if (mAsyncScroll) {
+    if (mAsyncScroll->mIsSmoothScroll) {
+      currentVelocityX = mAsyncScroll->mVelocities[mAsyncScroll->mFrameIndex*2];
+      currentVelocityY = mAsyncScroll->mVelocities[mAsyncScroll->mFrameIndex*2 + 1];
+    }
   } else {
     mAsyncScroll = new AsyncScroll;
     if (mAsyncScroll) {