From 793639f4da83b8139b4a9a6f64eb013d3c3fac2f Mon Sep 17 00:00:00 2001
From: Jeff Hill <johill@lanl.gov>
Date: Fri, 14 Jan 2011 17:56:49 -0700
Subject: [PATCH] fixed last time compare in PLL drift factor update loop

---
 src/libCom/osi/os/WIN32/osdTime.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/libCom/osi/os/WIN32/osdTime.cpp b/src/libCom/osi/os/WIN32/osdTime.cpp
index 5efdb2cbc..035c7308c 100644
--- a/src/libCom/osi/os/WIN32/osdTime.cpp
+++ b/src/libCom/osi/os/WIN32/osdTime.cpp
@@ -409,8 +409,8 @@ epicsTimerNotify::expireStatus currentTime::expire ( const epicsTime & )
 
     EnterCriticalSection ( & this->mutex );
 
-    LONGLONG perfCounterDiff = curPerfCounter.QuadPart - this->lastPerfCounterPLL;
-    if ( curPerfCounter.QuadPart >= this->lastPerfCounter ) {
+    LONGLONG perfCounterDiff;
+    if ( curPerfCounter.QuadPart >= this->lastPerfCounterPLL ) {
         perfCounterDiff = curPerfCounter.QuadPart - this->lastPerfCounterPLL;
     }
     else {