[ros-diffs] [ion] 20826: Acquire dispatcher lock if we're going to be expanding the owner table, so that we don't enter a race condition with the boost code in the wait for resource code on SMP systems

Acquire dispatcher lock if we're going to be expanding the owner table,
so that we don't enter a race condition with the boost code in the wait
for resource code on SMP systems
Modified: trunk/reactos/ntoskrnl/ex/resource.c
  _____  

Modified: trunk/reactos/ntoskrnl/ex/resource.c
--- trunk/reactos/ntoskrnl/ex/resource.c	2006-01-13 00:16:51 UTC
(rev 20825)
+++ trunk/reactos/ntoskrnl/ex/resource.c	2006-01-13 00:18:21 UTC
(rev 20826)
@@ -304,7 +304,7 @@

                       OldSize * sizeof(OWNER_ENTRY));
 
         /* Acquire dispatcher lock to prevent thread boosting */
-        //KeAcquireDispatcherDatabaseLockAtDpcLevel();
+        KeAcquireDispatcherDatabaseLockAtDpcLevel();
 
         /* Set the new table data */
         Table->TableSize = NewSize;
@@ -314,7 +314,7 @@
         ExpVerifyResource(Resource);
 
         /* Release locks */
-        //KeReleaseDispatcherDatabaseLockFromDpcLevel();
+        KeReleaseDispatcherDatabaseLockFromDpcLevel();
         ExReleaseResourceLock(&Resource->SpinLock, *OldIrql);
 
         /* Free the old table */