From 4cc94c2ee3dfec42a689966fa396a807e89059d8 Mon Sep 17 00:00:00 2001
From: Fei Deng <duke8253@gmail.com>
Date: Thu, 23 Jul 2020 11:52:50 -0500
Subject: [PATCH] add a null check to avoid crashing

---
 proxy/http/HttpSM.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/proxy/http/HttpSM.cc b/proxy/http/HttpSM.cc
index e96e44b554d..db0fc62debf 100644
--- a/proxy/http/HttpSM.cc
+++ b/proxy/http/HttpSM.cc
@@ -4811,6 +4811,9 @@ std::string_view
 HttpSM::get_outbound_cert() const
 {
   const char *cert_name = t_state.txn_conf->ssl_client_cert_filename;
+  if (cert_name == nullptr) {
+    cert_name = "";
+  }
   return std::string_view(cert_name);
 }