From f5c55c5e23a1a8c199ac8c86c79a0e876a13a809 Mon Sep 17 00:00:00 2001
From: Abtin Keshavarzian <abtink@google.com>
Date: Sat, 15 Sep 2018 14:42:33 -0700
Subject: [PATCH] [poisx-app] fix delayed TxDone callback (#3074)

---
 src/posix/platform/radio_spinel.cpp | 30 ++++++++++++++---------------
 1 file changed, 15 insertions(+), 15 deletions(-)

diff --git a/src/posix/platform/radio_spinel.cpp b/src/posix/platform/radio_spinel.cpp
index 38faa18d2..16ab95e7b 100644
--- a/src/posix/platform/radio_spinel.cpp
+++ b/src/posix/platform/radio_spinel.cpp
@@ -794,7 +794,7 @@ void RadioSpinel::UpdateFdSet(fd_set &aReadFdSet, fd_set &aWriteFdSet, int &aMax
         }
     }
 
-    if (!mFrameQueue.IsEmpty())
+    if (!mFrameQueue.IsEmpty() || (mState == OT_RADIO_STATE_TRANSMIT && mTxState == kDone))
     {
         aTimeout.tv_sec  = 0;
         aTimeout.tv_usec = 0;
@@ -813,24 +813,24 @@ void RadioSpinel::Process(const fd_set &aReadFdSet, const fd_set &aWriteFdSet)
             ReadAll();
             ProcessFrameQueue();
         }
+    }
 
-        if (mState == OT_RADIO_STATE_TRANSMIT && mTxState == kDone)
-        {
-            mState = OT_RADIO_STATE_RECEIVE;
+    if (mState == OT_RADIO_STATE_TRANSMIT && mTxState == kDone)
+    {
+        mState = OT_RADIO_STATE_RECEIVE;
 
 #if OPENTHREAD_ENABLE_DIAG
-            if (otPlatDiagModeGet())
-            {
-                otPlatDiagRadioTransmitDone(mInstance, mTransmitFrame, mTxError);
-            }
-            else
-#endif
-            {
-                otPlatRadioTxDone(mInstance, mTransmitFrame, (mIsAckRequested ? &mRxRadioFrame : NULL), mTxError);
-            }
-
-            mTxState = kIdle;
+        if (otPlatDiagModeGet())
+        {
+            otPlatDiagRadioTransmitDone(mInstance, mTransmitFrame, mTxError);
         }
+        else
+#endif
+        {
+            otPlatRadioTxDone(mInstance, mTransmitFrame, (mIsAckRequested ? &mRxRadioFrame : NULL), mTxError);
+        }
+
+        mTxState = kIdle;
     }
 
     if (FD_ISSET(mSockFd, &aWriteFdSet))