From 7c2755db268b9bafcb86b527d695cde7afd4e839 Mon Sep 17 00:00:00 2001
From: Robin Mueller <robin.mueller.m@gmail.com>
Date: Sat, 18 Mar 2023 15:30:24 +0100
Subject: [PATCH] not sure this is correct..

---
 linux/ipcore/PapbVcInterface.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/linux/ipcore/PapbVcInterface.cpp b/linux/ipcore/PapbVcInterface.cpp
index 51afc15d..faebbae8 100644
--- a/linux/ipcore/PapbVcInterface.cpp
+++ b/linux/ipcore/PapbVcInterface.cpp
@@ -21,6 +21,8 @@ ReturnValue_t PapbVcInterface::initialize() {
 ReturnValue_t PapbVcInterface::write(const uint8_t* data, size_t size) {
   if (pollPapbBusySignal() == returnvalue::OK) {
     startPacketTransfer();
+  } else {
+    return PAPB_BUSY;
   }
   for (size_t idx = 0; idx < size; idx++) {
     if (pollPapbBusySignal() == returnvalue::OK) {