From 156661f2f3d61688185e3f95d4631f1757584dd5 Mon Sep 17 00:00:00 2001
From: Michael Black <mdblack98@yahoo.com>
Date: Wed, 1 Apr 2020 22:29:09 -0500
Subject: [PATCH] For kenwood_transaction only retry when data reponse is
 expected

---
 rigs/kenwood/kenwood.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/rigs/kenwood/kenwood.c b/rigs/kenwood/kenwood.c
index 68e808aaf..02f766048 100644
--- a/rigs/kenwood/kenwood.c
+++ b/rigs/kenwood/kenwood.c
@@ -320,7 +320,8 @@ transaction_read:
 
     if (retval < 0)
     {
-        if (retry_read++ < rs->rigport.retry)
+        // only retry if we expect a response from the command
+        if (datasize && retry_read++ < rs->rigport.retry)
         {
             goto transaction_write;
         }