From afdbdd9ed6dfc57e617992edaedb32633ac5d429 Mon Sep 17 00:00:00 2001
From: irengrig <Irina.Chernushina@jetbrains.com>
Date: Wed, 4 Apr 2012 13:26:40 +0400
Subject: [PATCH] IDEA-52496 NPE in FileStatusManagerImpl

---
 .../com/intellij/openapi/vcs/impl/FileStatusManagerImpl.java  | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/platform/platform-impl/src/com/intellij/openapi/vcs/impl/FileStatusManagerImpl.java b/platform/platform-impl/src/com/intellij/openapi/vcs/impl/FileStatusManagerImpl.java
index 0142f8fd61a4..f8bd9fab1dea 100644
--- a/platform/platform-impl/src/com/intellij/openapi/vcs/impl/FileStatusManagerImpl.java
+++ b/platform/platform-impl/src/com/intellij/openapi/vcs/impl/FileStatusManagerImpl.java
@@ -138,7 +138,9 @@ public class FileStatusManagerImpl extends FileStatusManager implements ProjectC
   public void initComponent() { }
 
   public void addFileStatusListener(@NotNull FileStatusListener listener) {
-    myListeners.add(listener);
+    if (listener != null) {
+      myListeners.add(listener);
+    }
   }
 
   public void addFileStatusListener(final FileStatusListener listener, Disposable parentDisposable) {