Merge pull request #393 from ejohnstown/sftp-rxd

examples/echoserver/echoserver.c

@@ -1156,6 +1156,9 @@ static int sftp_worker(thread_ctx_t* threadCtx)
         if (error == WS_WANT_READ || error == WS_WANT_WRITE)
             ret = WS_WANT_READ;
 
+        if (error == WS_CHAN_RXD)
+            ret = WS_CHAN_RXD;
+
         if (ret == WS_FATAL_ERROR && error == 0) {
             WOLFSSH_CHANNEL* channel =
                 wolfSSH_ChannelNext(threadCtx->ssh, NULL);

src/wolfsftp.c

@@ -1463,6 +1463,7 @@ int wolfSSH_SFTP_read(WOLFSSH* ssh)
                             if (ssh->error != WS_WANT_READ &&
                                     ssh->error != WS_WANT_WRITE &&
                                     ssh->error != WS_REKEYING &&
+                                    ssh->error != WS_CHAN_RXD &&
                                     ssh->error != WS_WINDOW_FULL)
                                 wolfSSH_SFTP_ClearState(ssh, STATE_ID_RECV);
                             return WS_FATAL_ERROR;