From a4e2ad9dd6cf9f36889f7e65cd2c4db6078834b4 Mon Sep 17 00:00:00 2001
From: Bill Zissimopoulos <billziss@navimatics.com>
Date: Thu, 28 Jul 2016 14:56:06 -0700
Subject: [PATCH] dll: FspFsctlStop: fix problem in call to DeviceIoControl

- The DeviceIoControl was invoked in an incorrect fashion that nevertheless worked in Win64, but not Win32.
---
 src/dll/fsctl.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/dll/fsctl.c b/src/dll/fsctl.c
index 490122c2..2fa10c17 100644
--- a/src/dll/fsctl.c
+++ b/src/dll/fsctl.c
@@ -132,7 +132,9 @@ exit:
 
 FSP_API NTSTATUS FspFsctlStop(HANDLE VolumeHandle)
 {
-    if (!DeviceIoControl(VolumeHandle, FSP_FSCTL_STOP, 0, 0, 0, 0, 0, 0))
+    DWORD Bytes;
+
+    if (!DeviceIoControl(VolumeHandle, FSP_FSCTL_STOP, 0, 0, 0, 0, &Bytes, 0))
         return FspNtStatusFromWin32(GetLastError());
 
     return STATUS_SUCCESS;