[fireball] 30592: - Don't create a possibility for CriticalRegion leakage (spotted by PREfast).

Author: fireball
Date: Tue Nov 20 14:53:15 2007
New Revision: 30592

URL: http://svn.reactos.org/svn/reactos?rev=30592&view=rev
Log:
- Don't create a possibility for CriticalRegion leakage (spotted by PREfast).

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

Modified: trunk/reactos/drivers/filesystems/vfat/misc.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filesystems/vfat/m…
==============================================================================
--- trunk/reactos/drivers/filesystems/vfat/misc.c (original)
+++ trunk/reactos/drivers/filesystems/vfat/misc.c Tue Nov 20 14:53:15 2007
@@ -142,6 +142,7 @@
 {
    NTSTATUS Status;
    PVFAT_IRP_CONTEXT IrpContext;
+   KIRQL Irql;
 
    DPRINT ("VfatBuildRequest (DeviceObject %x, Irp %x)\n", DeviceObject, Irp);
 
@@ -156,17 +157,18 @@
    }
    else
    {
-      if (KeGetCurrentIrql() <= PASSIVE_LEVEL)
+      Irql = KeGetCurrentIrql();
+      if (Irql <= PASSIVE_LEVEL)
       {
          FsRtlEnterFileSystem();
       }
       else
       {
-         DPRINT1("Vfat is entered at irql = %d\n", KeGetCurrentIrql());
+         DPRINT1("Vfat is entered at irql = %d\n", Irql);
       }
       Status = VfatDispatchRequest (IrpContext);
 
-      if (KeGetCurrentIrql() <= PASSIVE_LEVEL)
+      if (Irql <= PASSIVE_LEVEL)
       {
          FsRtlExitFileSystem();
       }