From fa02e84d665b0f02a2b8dd8a8e298034268ceff3 Mon Sep 17 00:00:00 2001
From: Keith Hill <r_keith_hill@hotmail.com>
Date: Thu, 6 Jul 2017 23:58:23 -0600
Subject: [PATCH] Close FileStream opened by Get-FileHash (#4175)

Fix #4174
---
 .../commands/utility/GetHash.cs                            | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/Microsoft.PowerShell.Commands.Utility/commands/utility/GetHash.cs b/src/Microsoft.PowerShell.Commands.Utility/commands/utility/GetHash.cs
index d55c983913..336c4829d4 100644
--- a/src/Microsoft.PowerShell.Commands.Utility/commands/utility/GetHash.cs
+++ b/src/Microsoft.PowerShell.Commands.Utility/commands/utility/GetHash.cs
@@ -121,10 +121,11 @@ namespace Microsoft.PowerShell.Commands
             {
                 byte[] bytehash = null;
                 String hash = null;
+                Stream openfilestream = null;
 
                 try
                 {
-                    Stream openfilestream = File.OpenRead(path);
+                    openfilestream = File.OpenRead(path);
                     bytehash = hasher.ComputeHash(openfilestream);
 
                     hash = BitConverter.ToString(bytehash).Replace("-","");
@@ -138,6 +139,10 @@ namespace Microsoft.PowerShell.Commands
                         path);
                     WriteError(errorRecord);
                 }
+                finally
+                {
+                    openfilestream?.Dispose();
+                }
             }
         }