From e95a017e3358c6891aeeb343625604e8bf8c9b3a Mon Sep 17 00:00:00 2001
From: Chocobo1 <Chocobo1@users.noreply.github.com>
Date: Wed, 17 Jun 2015 08:03:51 +0800
Subject: [PATCH] Fix potential out-of-bound access of units[i]

---
 src/core/utils/misc.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/core/utils/misc.cpp b/src/core/utils/misc.cpp
index 7860f774c..ae4840ae2 100644
--- a/src/core/utils/misc.cpp
+++ b/src/core/utils/misc.cpp
@@ -258,8 +258,10 @@ QString Utils::Misc::friendlyUnit(qreal val, bool is_speed)
     if (val < 0)
         return QCoreApplication::translate("misc", "Unknown", "Unknown (size)");
     int i = 0;
-    while(val >= 1024. && i++<6)
+    while(val >= 1024. && i < 4) {
         val /= 1024.;
+        ++i;
+    }
     QString ret;
     if (i == 0)
         ret = QString::number((long)val) + " " + QCoreApplication::translate("misc", units[0].source, units[0].comment);