From 6cd944e9c3c71cf9634f63e6751ac228929b7f4b Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Thu, 30 Jun 2016 11:26:21 +0100
Subject: [PATCH] Added handling of error return value

---
 src/osgPlugins/zip/unzip.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/osgPlugins/zip/unzip.cpp b/src/osgPlugins/zip/unzip.cpp
index 4825cfe3f..d5b25e0da 100644
--- a/src/osgPlugins/zip/unzip.cpp
+++ b/src/osgPlugins/zip/unzip.cpp
@@ -4230,7 +4230,14 @@ void EnsureDirectory(const TCHAR *rootdir, const TCHAR *dir)
 
   cd[MAX_PATH-1]=0;
 #ifdef ZIP_STD
-  if (!FileExists(cd)) lumkdir(cd);
+  if (!FileExists(cd))
+  {
+    if (lumkdir(cd)<0)
+    {
+        // mkdir failed
+        return;
+    }
+  }
 #else
   if (!FileExists(cd))
   { CreateDirectory(cd,0);