From 0557f664188f5bb285933c85956b02058fbfe918 Mon Sep 17 00:00:00 2001
From: Philip Manavopoulos <manavo@gmail.com>
Date: Thu, 7 May 2020 15:14:16 +0100
Subject: [PATCH] cmdsInfo to actually use and return the first error

---
 ring.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/ring.go b/ring.go
index f046cc6..059ffdf 100644
--- a/ring.go
+++ b/ring.go
@@ -508,7 +508,7 @@ func (c *Ring) ForEachShard(
 
 func (c *Ring) cmdsInfo() (map[string]*CommandInfo, error) {
 	shards := c.shards.List()
-	firstErr := errRingShardsDown
+	var firstErr error
 	for _, shard := range shards {
 		cmdsInfo, err := shard.Client.Command(context.TODO()).Result()
 		if err == nil {
@@ -518,6 +518,9 @@ func (c *Ring) cmdsInfo() (map[string]*CommandInfo, error) {
 			firstErr = err
 		}
 	}
+	if firstErr == nil {
+		return nil, errRingShardsDown
+	}
 	return nil, firstErr
 }