[Wine-patches] [eterhack 21/24] ntoskrnl.exe: IoGetDeviceObjectPointer should return pointer to the topmost device object in the stack.

[Alexander Morozov]

---
 dlls/ntoskrnl.exe/ntoskrnl.c |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/dlls/ntoskrnl.exe/ntoskrnl.c b/dlls/ntoskrnl.exe/ntoskrnl.c
index a354b78..6f6cd5b 100644
--- a/dlls/ntoskrnl.exe/ntoskrnl.c
+++ b/dlls/ntoskrnl.exe/ntoskrnl.c
@@ -1576,6 +1576,7 @@ NTSTATUS WINAPI IoSetDeviceInterfaceState( PUNICODE_STRING SymbolicLinkName,
  */
 NTSTATUS  WINAPI IoGetDeviceObjectPointer( UNICODE_STRING *name, ACCESS_MASK access, PFILE_OBJECT *file, PDEVICE_OBJECT *device )
 {
+    DEVICE_OBJECT *dev;
     HANDLE manager = get_device_manager();
     NTSTATUS status;
 
@@ -1588,10 +1589,16 @@ NTSTATUS  WINAPI IoGetDeviceObjectPointer( UNICODE_STRING *name, ACCESS_MASK acc
         req->manager = wine_server_obj_handle( manager );
         wine_server_add_data( req, name->Buffer, name->Length );
         status = wine_server_call( req );
-        *device = wine_server_get_ptr( reply->user_ptr );
+        dev = wine_server_get_ptr( reply->user_ptr );
     }
     SERVER_END_REQ;
 
+    if (dev)
+    {
+        while (dev->AttachedDevice)
+            dev = dev->AttachedDevice;
+        *device = dev;
+    }
     return status;
 }
 
-- 
1.6.1.3.GIT