tls: avoid possible async handler duplication

One handler is good enough when engine sends out a retry status
Thus this patch will just go one branch

Change-Id: Id81cb3fa67d2b322b0fe1b2f62cd866cf3491eb4
Signed-off-by: Ping Yu <ping.yu@intel.com>

diff --git a/src/plugins/tlsopenssl/tls_openssl.c b/src/plugins/tlsopenssl/tls_openssl.c
index b675d79..73e5cc0 100644 (file)
--- a/src/plugins/tlsopenssl/tls_openssl.c
+++ b/src/plugins/tlsopenssl/tls_openssl.c
@@ -220,7 +220,7 @@ openssl_ctx_handshake_rx (tls_ctx_t * ctx, stream_session_t * tls_session)
        {
          vpp_ssl_async_retry_func (ctx, myself);
        }
-      if (err == SSL_ERROR_WANT_ASYNC)
+      else if (err == SSL_ERROR_WANT_ASYNC)
        {
          vpp_ssl_async_process_event (ctx, myself);
        }