From eaaf2f15cd693fdf73520c0424cdffd31581e8b8 Mon Sep 17 00:00:00 2001
From: Pavel Kirienko <pavel.kirienko@gmail.com>
Date: Wed, 10 Jun 2015 13:00:15 +0300
Subject: [PATCH] Coverity 1304852

---
 libuavcan/include/uavcan/marshal/array.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libuavcan/include/uavcan/marshal/array.hpp b/libuavcan/include/uavcan/marshal/array.hpp
index 2205925466..b61c658ec7 100644
--- a/libuavcan/include/uavcan/marshal/array.hpp
+++ b/libuavcan/include/uavcan/marshal/array.hpp
@@ -350,8 +350,8 @@ public:
     const ValueType* end()   const { return data_ + Base::size(); }
     ValueType& front()             { return at(0U); }
     const ValueType& front() const { return at(0U); }
-    ValueType& back()              { return at(SizeType(Base::size() - 1U)); }
-    const ValueType& back()  const { return at(SizeType(Base::size() - 1U)); }
+    ValueType& back()              { return at((Base::size() == 0U) ? 0U : SizeType(Base::size() - 1U)); }
+    const ValueType& back()  const { return at((Base::size() == 0U) ? 0U : SizeType(Base::size() - 1U)); }
 
     /**
      * Performs standard lexicographical compare of the elements.