From eb7bf3ed4f1d1e05f25b05cfefd5736f3ab4f609 Mon Sep 17 00:00:00 2001
From: Liny <liny.odell@phoenixviewer.com>
Date: Fri, 15 Mar 2013 13:23:45 -0700
Subject: [PATCH] Proper fix for FIRE-9465: correctly clamp scroll values so
 tabs cant be moved around via scrolling when they should be able to.

---
 indra/llui/lltabcontainer.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/indra/llui/lltabcontainer.cpp b/indra/llui/lltabcontainer.cpp
index 209df896f5..c23855cfea 100644
--- a/indra/llui/lltabcontainer.cpp
+++ b/indra/llui/lltabcontainer.cpp
@@ -874,11 +874,11 @@ BOOL LLTabContainer::handleScrollWheel(S32 x, S32 y, S32 clicks)
 	{
 		if(clicks < 0)
 		{
-			setScrollPos(getScrollPos() - 1);
+			setScrollPos(llmax(0, getScrollPos()-1));
 		}
 		else
 		{
-			setScrollPos(getScrollPos() + 1);
+			setScrollPos(llmin(getScrollPos()+1, getMaxScrollPos()));
 		}
 	}