From 0b42c59228eda100b7eb64e776cbf26f4b90c1cf Mon Sep 17 00:00:00 2001
From: Scott Gress <scottmgress@gmail.com>
Date: Mon, 15 Jan 2018 09:38:16 -0600
Subject: [PATCH] Don't attempt to create a Redis connection if "client" is
 provided.

refs #4262
---
 lib/hooks/session/index.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/hooks/session/index.js b/lib/hooks/session/index.js
index f0ef03ebf..f8616837c 100644
--- a/lib/hooks/session/index.js
+++ b/lib/hooks/session/index.js
@@ -288,8 +288,8 @@ module.exports = function(app) {
           //  └─┘└─┘ ┴   └─┘┴    ┴└─└─┘─┴┘┴└─┘  ┴ ┴─┴┘┴ ┴┴   ┴ └─┘┴└─
           (function maybeConnectToRedis(proceed) {
 
-            // If the adapter isn't set to `connect-redis`, skip this part.
-            if (app.config.session.adapter !== 'connect-redis') {
+            // If the adapter isn't set to `connect-redis`, or an existing Redis client is being provided, skip this part.
+            if (app.config.session.adapter !== 'connect-redis' || app.config.session.client) {
               return proceed();
             }