From 2e7fb3d40d2682a1afbe1ec3d6229cbf703e5e8c Mon Sep 17 00:00:00 2001
From: Zaid Abdulla <zaid@genieacs.com>
Date: Wed, 8 Mar 2017 16:07:56 -0800
Subject: [PATCH] Fix bug where GPV is sent with no parameters

---
 lib/session.coffee | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/lib/session.coffee b/lib/session.coffee
index 069e504..8e71f86 100644
--- a/lib/session.coffee
+++ b/lib/session.coffee
@@ -917,10 +917,11 @@ generateGetRpcRequest = (sessionContext) ->
       if sessionContext.deviceData.attributes.has(path)
         parameterNames.push(path)
 
-    return {
-      name: 'GetParameterValues'
-      parameterNames: (p.join('.') for p in parameterNames)
-    }
+    if parameterNames.length
+      return {
+        name: 'GetParameterValues'
+        parameterNames: (p.join('.') for p in parameterNames)
+      }
 
   return null