From 3cf69799437d86305d3079722aedf51b4903fdea Mon Sep 17 00:00:00 2001
From: drieseng <gert.driesen@telenet.be>
Date: Sun, 11 Sep 2016 20:21:27 +0200
Subject: [PATCH] Avoid NRE when disconnecting or disposing.

---
 src/Renci.SshNet/SftpClient.cs | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/Renci.SshNet/SftpClient.cs b/src/Renci.SshNet/SftpClient.cs
index 336cefc2..c98e3fff 100644
--- a/src/Renci.SshNet/SftpClient.cs
+++ b/src/Renci.SshNet/SftpClient.cs
@@ -2128,11 +2128,11 @@ namespace Renci.SshNet
 
             // disconnect, dispose and dereference the SFTP session since we create a new SFTP session
             // on each connect
-            if (_sftpSession != null)
+            var sftpSession = _sftpSession;
+            if (sftpSession != null)
             {
-                _sftpSession.Disconnect();
-                _sftpSession.Dispose();
                 _sftpSession = null;
+                sftpSession.Dispose();
             }
         }
 
@@ -2146,10 +2146,11 @@ namespace Renci.SshNet
 
             if (disposing)
             {
-                if (_sftpSession != null)
+                var sftpSession = _sftpSession;
+                if (sftpSession != null)
                 {
-                    _sftpSession.Dispose();
                     _sftpSession = null;
+                    sftpSession.Dispose();
                 }
             }
         }