Alexandre Julliard : ntdll: Remove special case for setting permissions on stack pages.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: e91d19a58ada036c96ff4431346b98ccc4717381
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=e91d19a58ada036c96ff44313...

Author: Alexandre Julliard <julliard(a)winehq.org>
Date:   Thu Jun 17 10:11:53 2021 +0200

ntdll: Remove special case for setting permissions on stack pages.

We are running on the kernel stack at this point.

Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>

---

 dlls/ntdll/unix/virtual.c | 16 +---------------
 1 file changed, 1 insertion(+), 15 deletions(-)

diff --git a/dlls/ntdll/unix/virtual.c b/dlls/ntdll/unix/virtual.c
index c268b66f50c..0a4004d2db9 100644
--- a/dlls/ntdll/unix/virtual.c
+++ b/dlls/ntdll/unix/virtual.c
@@ -1675,21 +1675,7 @@ static BOOL set_vprot( struct file_view *view, void *base, size_t size, BYTE vpr
         mprotect_range( base, size, 0, 0 );
         return TRUE;
     }
-
-    /* if setting stack guard pages, store the permissions first, as the guard may be
-     * triggered at any point after mprotect and change the permissions again */
-    if ((vprot & VPROT_GUARD) &&
-        (base >= NtCurrentTeb()->DeallocationStack) &&
-        (base < NtCurrentTeb()->Tib.StackBase))
-    {
-        set_page_vprot( base, size, vprot );
-        mprotect( base, size, unix_prot );
-        return TRUE;
-    }
-
-    if (mprotect_exec( base, size, unix_prot )) /* FIXME: last error */
-        return FALSE;
-
+    if (mprotect_exec( base, size, unix_prot )) return FALSE;
     set_page_vprot( base, size, vprot );
     return TRUE;
 }