From b5831e218d04171eb050738f52efb99add23b5ac Mon Sep 17 00:00:00 2001
From: Hartmut Birr <osexpert@googlemail.com>
Date: Sat, 26 Nov 2005 16:04:33 +0000
Subject: [PATCH] Fixed CcTryToAcquireBrokenMutex.

svn path=/trunk/; revision=19639
---
 reactos/ntoskrnl/cc/view.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/reactos/ntoskrnl/cc/view.c b/reactos/ntoskrnl/cc/view.c
index ba99ae33e52..b9d9fb02cfe 100644
--- a/reactos/ntoskrnl/cc/view.c
+++ b/reactos/ntoskrnl/cc/view.c
@@ -115,7 +115,7 @@ FASTCALL
 CcTryToAcquireBrokenMutex(PFAST_MUTEX FastMutex)
 {
     KeEnterCriticalRegion();
-    if (InterlockedExchange(&FastMutex->Count, 0) == 1)
+    if (InterlockedCompareExchange(&FastMutex->Count, 0, 1) == 1)
     {
         FastMutex->Owner = KeGetCurrentThread();
         return(TRUE);
-- 
2.17.1