Changeset 53036 in vbox for trunk/src/VBox/HostDrivers/Support/win/SUPLib-win.cpp

Timestamp:

Oct 11, 2014 7:48:10 AM (10 years ago)

Author:

vboxsync

Message:

SUP: NtCreateFile requires SYNCHRONIZE access when FILE_SYNCHRONOUS_IO_NONALERT is used, while in user mode anyways.

File:

• trunk/src/VBox/HostDrivers/Support/win/SUPLib-win.cpp (modified) (2 diffs)

trunk/src/VBox/HostDrivers/Support/win/SUPLib-win.cpp

@@ -158 +158 @@
 
         NTSTATUS rcNt = NtCreateFile(&hDevice,
-                                     GENERIC_READ | GENERIC_WRITE,
+                                     GENERIC_READ | GENERIC_WRITE, /* No SYNCHRONIZE. */
                                      &ObjAttr,
                                      &Ios,
@@ -165 +165 @@
                                      FILE_SHARE_READ | FILE_SHARE_WRITE,
                                      FILE_OPEN,
-                                     FILE_NON_DIRECTORY_FILE,
+                                     FILE_NON_DIRECTORY_FILE, /* No FILE_SYNCHRONOUS_IO_NONALERT! */
                                      NULL /*EaBuffer*/,
                                      0 /*EaLength*/);