From 222f0152738be65aa269bf54e63f397282fff086 Mon Sep 17 00:00:00 2001
From: Bill Zissimopoulos <billziss@navimatics.com>
Date: Thu, 19 May 2016 19:17:07 -0700
Subject: [PATCH] src: dll: FspFsctlStartService: return STATUS_NO_SUCH_DEVICE
 when WinFsp FSD does not exist

---
 src/dll/fsctl.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/dll/fsctl.c b/src/dll/fsctl.c
index 87dd9fab..2d1f4a4a 100644
--- a/src/dll/fsctl.c
+++ b/src/dll/fsctl.c
@@ -212,7 +212,11 @@ static NTSTATUS FspFsctlStartService(VOID)
     SvcHandle = OpenServiceW(ScmHandle, DriverName, SERVICE_QUERY_STATUS | SERVICE_START);
     if (0 == SvcHandle)
     {
-        Result = FspNtStatusFromWin32(GetLastError());
+        LastError = GetLastError();
+        if (ERROR_SERVICE_DOES_NOT_EXIST != LastError)
+            Result = FspNtStatusFromWin32(LastError);
+        else
+            Result = STATUS_NO_SUCH_DEVICE;
         goto exit;
     }