From 4ac21cd37da3c8ff3ca049312213c090efc154cb Mon Sep 17 00:00:00 2001
From: Sambuddha Basu <sambuddhabasu1@gmail.com>
Date: Thu, 29 Jan 2015 22:54:42 +0530
Subject: [PATCH] Issue 11111 - Division by zero in TabDecorator

Signed-off-by: John Scipione <jscipione@gmail.com>
---
 src/servers/app/decorator/TabDecorator.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/servers/app/decorator/TabDecorator.cpp b/src/servers/app/decorator/TabDecorator.cpp
index 0d295a0195..6852ea6aae 100644
--- a/src/servers/app/decorator/TabDecorator.cpp
+++ b/src/servers/app/decorator/TabDecorator.cpp
@@ -406,13 +406,17 @@ TabDecorator::_DoTabLayout()
 void
 TabDecorator::_DistributeTabSize(float delta)
 {
-	ASSERT(CountTabs() > 1);
+	int32 tabCount = fTabList.CountItems();
+	ASSERT(tabCount > 1);
 
 	float maxTabSize = 0;
 	float secMaxTabSize = 0;
 	int32 nTabsWithMaxSize = 0;
-	for (int32 i = 0; i < fTabList.CountItems(); i++) {
+	for (int32 i = 0; i < tabCount; i++) {
 		Decorator::Tab* tab = fTabList.ItemAt(i);
+		if (tab == NULL)
+			continue;
+
 		float tabWidth = tab->tabRect.Width();
 		if (int_equal(maxTabSize, tabWidth)) {
 			nTabsWithMaxSize++;