From 547fb51b1db4533e6e1a03aa528a2fed5de828e9 Mon Sep 17 00:00:00 2001
From: Roman Ivanov <ivanov-jr@mail.ru>
Date: Tue, 7 Apr 2015 16:15:15 -0700
Subject: [PATCH] fix for NP_GUARANTEED_DEREF_ON_EXCEPTION_PATH. Issue #778

---
 .../com/puppycrawl/tools/checkstyle/PropertyCacheFile.java    | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/puppycrawl/tools/checkstyle/PropertyCacheFile.java b/src/main/java/com/puppycrawl/tools/checkstyle/PropertyCacheFile.java
index 7abbea036..c1330db24 100644
--- a/src/main/java/com/puppycrawl/tools/checkstyle/PropertyCacheFile.java
+++ b/src/main/java/com/puppycrawl/tools/checkstyle/PropertyCacheFile.java
@@ -120,7 +120,9 @@ final class PropertyCacheFile
                     .debug("Unable to save cache file.", e);
             }
             finally {
-                this.flushAndCloseOutStream(out);
+                if (out != null) {
+                    this.flushAndCloseOutStream(out);
+                }
             }
         }
     }