Do nothing if json parameters are not transmitted.

master/product/Vifib/Tool/VifibRestApiV1Tool.py

@@ -467,17 +467,22 @@ class ComputerPublisher(GenericPublisher):
       return error_dict
 
     error_dict = {}
+    transmitted = False
     if 'partition' in self.jbody:
       error_dict.update(getErrorDict(self.jbody['partition'],
         ('title', 'public_ip', 'private_ip', 'tap_interface'), 'partition'))
+      transmitted = True
     if 'software' in self.jbody:
       error_dict.update(getErrorDict(self.jbody['software'],
         ('software_release', 'status', 'log'), 'software'))
+      transmitted = True
+      # XXX: Support status as enum.
     if error_dict:
       self.REQUEST.response.setStatus(400)
       self.REQUEST.response.setBody(jsonify(error_dict))
       return self.REQUEST.response
 
+    if transmitted:
       try:
         computer.Computer_updateFromJson(self.jbody)
       except Exception: