From 8a7274ec344be44588e33c7c704d3afa1bed7e87 Mon Sep 17 00:00:00 2001
From: Philippe Teuwen <phil@teuwen.org>
Date: Fri, 4 Oct 2019 09:30:36 +0200
Subject: [PATCH] offline: avoid spurious "Sending bytes to proxmark failed" on
 exit

---
 client/proxmark3.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/client/proxmark3.c b/client/proxmark3.c
index f28e14063..a2d4ebd72 100644
--- a/client/proxmark3.c
+++ b/client/proxmark3.c
@@ -261,9 +261,11 @@ check_script:
         }
     } // end while
 
-    clearCommandBuffer();
-    SendCommandNG(CMD_QUIT_SESSION, NULL, 0);
-    msleep(100); // Make sure command is sent before killing client
+    if (session.pm3_present) {
+        clearCommandBuffer();
+        SendCommandNG(CMD_QUIT_SESSION, NULL, 0);
+        msleep(100); // Make sure command is sent before killing client
+    }
 
     while (current_cmdscriptfile())
         pop_cmdscriptfile();