[fireball] 31736: - Add missing critical region acquiring to the VfatShutdown routine. - Remove that irql <= PASSIVE_LEVEL check, always entering the critical region. And for vfat calls with an unusual high irql leave a DPRINT.

Author: fireball
Date: Sat Jan 12 18:20:22 2008
New Revision: 31736

URL: http://svn.reactos.org/svn/reactos?rev=31736&view=rev
Log:
- Add missing critical region acquiring to the VfatShutdown routine.
- Remove that irql <= PASSIVE_LEVEL check, always entering the critical region. And for vfat calls with an unusual high irql leave a DPRINT.

Modified:
    trunk/reactos/drivers/filesystems/vfat/misc.c
    trunk/reactos/drivers/filesystems/vfat/shutdown.c

Modified: trunk/reactos/drivers/filesystems/vfat/misc.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filesystems/vfat/mi...
==============================================================================
--- trunk/reactos/drivers/filesystems/vfat/misc.c (original)
+++ trunk/reactos/drivers/filesystems/vfat/misc.c Sat Jan 12 18:20:22 2008
@@ -142,7 +142,6 @@
 {
    NTSTATUS Status;
    PVFAT_IRP_CONTEXT IrpContext;
-   KIRQL Irql;

DPRINT ("VfatBuildRequest (DeviceObject %p, Irp %p)\n", DeviceObject, Irp);

@@ -157,22 +156,14 @@
    }
    else
    {
-      Irql = KeGetCurrentIrql();
-      if (Irql <= PASSIVE_LEVEL)
-      {
-         FsRtlEnterFileSystem();
-      }
-      else
+      if (KeGetCurrentIrql() > PASSIVE_LEVEL)
       {
          DPRINT1("Vfat is entered at irql = %d\n", Irql);
       }
+
+      FsRtlEnterFileSystem();
       Status = VfatDispatchRequest (IrpContext);
-
-      if (Irql <= PASSIVE_LEVEL)
-      {
-         FsRtlExitFileSystem();
-      }
-
+      FsRtlExitFileSystem();
    }
    return Status;
 }

Modified: trunk/reactos/drivers/filesystems/vfat/shutdown.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filesystems/vfat/sh...
==============================================================================
--- trunk/reactos/drivers/filesystems/vfat/shutdown.c (original)
+++ trunk/reactos/drivers/filesystems/vfat/shutdown.c Sat Jan 12 18:20:22 2008
@@ -50,6 +50,8 @@
    ULONG eocMark;

DPRINT("VfatShutdown(DeviceObject %p, Irp %p)\n",DeviceObject, Irp);
+
+   FsRtlEnterFileSystem();

/* FIXME: block new mount requests */

@@ -108,6 +110,8 @@
    Irp->IoStatus.Information = 0;
    IoCompleteRequest(Irp, IO_NO_INCREMENT);

+   FsRtlExitFileSystem();
+
    return(Status);
 }