[sginsberg] 36712: - Fix portable Ex/ExfInterlockedCompareExchange64 to compare Destination with the Comparand instead of...itself?

Author: sginsberg
Date: Sat Oct 11 04:39:08 2008
New Revision: 36712

URL: http://svn.reactos.org/svn/reactos?rev=36712&view=rev
Log:
- Fix portable Ex/ExfInterlockedCompareExchange64 to compare Destination with the Comparand instead of...itself?

Modified:
    trunk/reactos/ntoskrnl/ex/fastinterlck.c

Modified: trunk/reactos/ntoskrnl/ex/fastinterlck.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/ex/fastinterlck.c?...
==============================================================================
--- trunk/reactos/ntoskrnl/ex/fastinterlck.c [iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/ex/fastinterlck.c [iso-8859-1] Sat Oct 11 04:39:08 2008
@@ -105,12 +105,12 @@
 FASTCALL
 ExfInterlockedCompareExchange64(IN OUT LONGLONG volatile *Destination,
                                 IN PLONGLONG Exchange,
-                                IN PLONGLONG Comperand)
+                                IN PLONGLONG Comparand)
 {
     LONGLONG Result;

Result = *Destination;
-    if (*Destination == Result) *Destination = *Exchange;
+    if (*Destination == *Comparand) *Destination = *Exchange;
     return Result;
 }

@@ -306,7 +306,7 @@

KeAcquireSpinLock(Lock, &OldIrql);
     Result = *Destination;
-    if (*Destination == Result) *Destination = *Exchange;
+    if (*Destination == *Comparand) *Destination = *Exchange;
     KeReleaseSpinLock(Lock, OldIrql);
     return Result;
 }