From 6322b1f647552d9da0d3524731b56b7a1a23c060 Mon Sep 17 00:00:00 2001
From: Cosimo Cecchi <cosimoc@gnome.org>
Date: Sat, 2 Jan 2016 18:14:47 -0800
Subject: [PATCH] levelbar: fix a crash

We should not try to access a block with an index that exceeds the
number of blocks in the widget.
---
 gtk/gtklevelbar.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gtk/gtklevelbar.c b/gtk/gtklevelbar.c
index 45d9d4a0c6..7259f85de5 100644
--- a/gtk/gtklevelbar.c
+++ b/gtk/gtklevelbar.c
@@ -712,6 +712,8 @@ update_level_style_classes (GtkLevelBar *self)
           num_blocks = (gint) round (priv->max_value) - (gint) round (priv->min_value);
         }
 
+      num_filled = MIN (num_blocks, num_filled);
+
       classes[0] = "filled";
       classes[1] = value_class;
       for (i = 0; i < num_filled; i++)