[ros-diffs] 02/03: [NTOSKRNL] Fix remaining access computation on open

[Pierre Schweitzer]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=890a2936838b3aa4d0bba…

commit 890a2936838b3aa4d0bba6ab4fac960f572fa0b4
Author:     Pierre Schweitzer <pierre(a)reactos.org>
AuthorDate: Sun Sep 30 10:53:12 2018 +0200
Commit:     Pierre Schweitzer <pierre(a)reactos.org>
CommitDate: Sun Sep 30 10:55:44 2018 +0200

    [NTOSKRNL] Fix remaining access computation on open
---
 ntoskrnl/io/iomgr/file.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ntoskrnl/io/iomgr/file.c b/ntoskrnl/io/iomgr/file.c
index cdc4aaaa3e..1768bc29ca 100644
--- a/ntoskrnl/io/iomgr/file.c
+++ b/ntoskrnl/io/iomgr/file.c
@@ -7,6 +7,7 @@
  *                  Gunnar Dalsnes
  *                  Eric Kohl
  *                  Filip Navara (navaraf(a)reactos.org)
+ *                  Pierre Schweitzer
  */
 
 /* INCLUDES *****************************************************************/
@@ -431,7 +432,7 @@ IopParseDevice(IN PVOID ParseObject,
                 {
                     /* Update access state */
                     AccessState->PreviouslyGrantedAccess |= GrantedAccess;
-                    AccessState->RemainingDesiredAccess &= ~(GrantedAccess &
+                    AccessState->RemainingDesiredAccess &= ~(GrantedAccess |
                                                              MAXIMUM_ALLOWED);
                     OpenPacket->Override= TRUE;
                 }