Zebediah Figura : kernelbase: Create DOS drive links as permanent objects.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 1cf4a1c0880f0f39f6d986db53a3b108a6e5c648
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=1cf4a1c0880f0f39f6d986db53a3b108a6e5c648

Author: Zebediah Figura <z.figura12 at gmail.com>
Date:   Wed Jul 15 20:27:57 2020 -0500

kernelbase: Create DOS drive links as permanent objects.

Signed-off-by: Zebediah Figura <z.figura12 at gmail.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/kernelbase/volume.c | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/dlls/kernelbase/volume.c b/dlls/kernelbase/volume.c
index 9939ea3bef..53cc0d49b6 100644
--- a/dlls/kernelbase/volume.c
+++ b/dlls/kernelbase/volume.c
@@ -972,18 +972,13 @@ BOOL WINAPI DECLSPEC_HOTPATCH DefineDosDeviceW( DWORD flags, const WCHAR *device
 
     lstrcatW( link_name, device );
     RtlInitUnicodeString( &nt_name, link_name );
-    InitializeObjectAttributes( &attr, &nt_name, OBJ_CASE_INSENSITIVE, 0, NULL );
+    InitializeObjectAttributes( &attr, &nt_name, OBJ_CASE_INSENSITIVE | OBJ_PERMANENT, 0, NULL );
     if (flags & DDD_REMOVE_DEFINITION)
     {
         if (!set_ntstatus( NtOpenSymbolicLinkObject( &handle, 0, &attr ) ))
             return FALSE;
 
-        SERVER_START_REQ( unlink_object )
-        {
-            req->handle = wine_server_obj_handle( handle );
-            status = wine_server_call( req );
-        }
-        SERVER_END_REQ;
+        status = NtMakeTemporaryObject( handle );
         NtClose( handle );
 
         return set_ntstatus( status );
@@ -1000,7 +995,9 @@ BOOL WINAPI DECLSPEC_HOTPATCH DefineDosDeviceW( DWORD flags, const WCHAR *device
     else
         RtlInitUnicodeString( &nt_target, target );
 
-    return set_ntstatus( NtCreateSymbolicLinkObject( &handle, SYMBOLIC_LINK_ALL_ACCESS, &attr, &nt_target ) );
+    if (!(status = NtCreateSymbolicLinkObject( &handle, SYMBOLIC_LINK_ALL_ACCESS, &attr, &nt_target )))
+        NtClose( handle );
+    return set_ntstatus( status );
 }