[Wine-patches] ntdll: Fix NtMapViewOfSection for CONSULT.SYS (eterbug #2675).

[Alexander Morozov]

----------- следующая часть -----------
From 618b3d99ee66c5362d853ff4f62573f7b8c984e5 Mon Sep 17 00:00:00 2001
From: Alexander Morozov <amorozov на etersoft.ru>
Date: Tue, 17 Mar 2009 13:14:42 +0300
Subject: [PATCH] ntdll: Fix NtMapViewOfSection for CONSULT.SYS (eterbug #2675).

---
 dlls/ntdll/virtual.c |    9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/dlls/ntdll/virtual.c b/dlls/ntdll/virtual.c
index 6931206..8208089 100644
--- a/dlls/ntdll/virtual.c
+++ b/dlls/ntdll/virtual.c
@@ -2310,10 +2310,15 @@ NTSTATUS WINAPI NtMapViewOfSection( HANDLE handle, HANDLE process, PVOID *addr_p
 
     /* Check parameters */
 
-    if ((offset.u.LowPart & mask) || (*addr_ptr && ((UINT_PTR)*addr_ptr & mask)))
+    if (*addr_ptr && ((UINT_PTR)*addr_ptr & mask))
         return STATUS_INVALID_PARAMETER;
+    if ((offset.u.LowPart & mask) && (protect & PAGE_READWRITE))
+    {
+        protect &= ~PAGE_READWRITE;
+        protect |= PAGE_READONLY;
+    }
 
-    switch(protect)
+    switch(protect & ~PAGE_NOCACHE)
     {
     case PAGE_NOACCESS:
         access = SECTION_QUERY;
-- 
1.6.1.3.GIT