From 65b34874bdd4af4e32cfb4b7a10be588abf78bab Mon Sep 17 00:00:00 2001
From: Freddie Akeroyd <freddie.akeroyd@stfc.ac.uk>
Date: Sat, 11 Sep 2021 22:17:09 +0100
Subject: [PATCH] Check for NULL in osdThreadGetTimer

---
 src/libCom/osi/os/WIN32/osdThread.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/libCom/osi/os/WIN32/osdThread.c b/src/libCom/osi/os/WIN32/osdThread.c
index 922c098ab..59dac832f 100644
--- a/src/libCom/osi/os/WIN32/osdThread.c
+++ b/src/libCom/osi/os/WIN32/osdThread.c
@@ -780,7 +780,11 @@ epicsShareFunc int epicsShareAPI epicsThreadIsSuspended ( epicsThreadId id )
 HANDLE osdThreadGetTimer()
 {
     win32ThreadParam * pParm = epicsThreadGetParamWIN32();
-    return pParm->timer;
+    if (pParam) {
+        return pParm->timer;
+    } else {
+	return NULL;
+    }
 }
 
 /*