From f7a3701c7a2fc49ccd2105e600b01cb985fb8127 Mon Sep 17 00:00:00 2001
From: Wei Zhou <w.zhou@global.leaseweb.com>
Date: Thu, 15 Oct 2020 19:54:59 +0200
Subject: [PATCH] server: fix issue that vm guest os type is reset after
 updatetemplate (#4377)

---
 .../src/main/java/com/cloud/template/TemplateManagerImpl.java   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/server/src/main/java/com/cloud/template/TemplateManagerImpl.java b/server/src/main/java/com/cloud/template/TemplateManagerImpl.java
index 749f272bf36..a651cff7b3e 100755
--- a/server/src/main/java/com/cloud/template/TemplateManagerImpl.java
+++ b/server/src/main/java/com/cloud/template/TemplateManagerImpl.java
@@ -2063,6 +2063,7 @@ public class TemplateManagerImpl extends ManagerBase implements TemplateManager,
             ex.addProxyObject(String.valueOf(id), "templateId");
             throw ex;
         }
+        long oldGuestOSId = template.getGuestOSId();
 
         verifyTemplateId(id);
 
@@ -2119,7 +2120,6 @@ public class TemplateManagerImpl extends ManagerBase implements TemplateManager,
         }
 
         if (guestOSId != null) {
-            long oldGuestOSId = template.getGuestOSId();
             GuestOSVO guestOS = _guestOSDao.findById(guestOSId);
 
             if (guestOS == null) {