From 3d781220530e4acc5a9279122ab3923e4d23416c Mon Sep 17 00:00:00 2001
From: Ingo Oppermann <ingo@datarhei.com>
Date: Tue, 16 Jul 2024 08:13:15 +0200
Subject: [PATCH] Fix crash when updating unavailable node

---
 cluster/node/core.go | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/cluster/node/core.go b/cluster/node/core.go
index 5f158805..3b57f913 100644
--- a/cluster/node/core.go
+++ b/cluster/node/core.go
@@ -66,19 +66,21 @@ func (n *Core) SetEssentials(address string, config *config.Config) {
 	n.lock.Lock()
 	defer n.lock.Unlock()
 
-	if address != n.address {
+	if n.address != address {
 		n.address = address
 		n.client = nil // force reconnet
 	}
 
-	if n.config == nil && config != nil {
-		n.config = config
-		n.client = nil // force reconnect
-	}
+	if config != nil {
+		if n.config == nil {
+			n.config = config
+			n.client = nil // force reconnect
+		}
 
-	if n.config.UpdatedAt != config.UpdatedAt {
-		n.config = config
-		n.client = nil // force reconnect
+		if n.config != nil && n.config.UpdatedAt != config.UpdatedAt {
+			n.config = config
+			n.client = nil // force reconnect
+		}
 	}
 }