From dfcf0aade2363e0975af8883fda073a0bc7fab76 Mon Sep 17 00:00:00 2001
From: Phillip Susi <phreak@iag.net>
Date: Mon, 9 May 2005 22:12:43 +0000
Subject: [PATCH] Fixed backwards access check that was causing NtWriteFile to
 fail when given a read only buffer

svn path=/trunk/; revision=15194
---
 reactos/ntoskrnl/io/irp.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/reactos/ntoskrnl/io/irp.c b/reactos/ntoskrnl/io/irp.c
index 71f265c2264..9e7be737176 100644
--- a/reactos/ntoskrnl/io/irp.c
+++ b/reactos/ntoskrnl/io/irp.c
@@ -472,14 +472,14 @@ IoBuildAsynchronousFsdRequest(ULONG MajorFunction,
             /* Use an MDL for Direct I/O */
             Irp->MdlAddress = MmCreateMdl(NULL, Buffer, Length);
 
-            /* Use the right Access Type */
+
             if (MajorFunction == IRP_MJ_READ)
             {
-                 AccessType = IoReadAccess;
+                 AccessType = IoWriteAccess;
             }
             else
             {
-                 AccessType = IoWriteAccess;
+                 AccessType = IoReadAccess;
             }
 
             /* Probe and Lock */