From 50abb0c05b3086f176ba9ab4c0faa3902173c923 Mon Sep 17 00:00:00 2001
From: Kubermatic Bot <41968677+kubermatic-bot@users.noreply.github.com>
Date: Tue, 22 Nov 2022 15:04:56 +0100
Subject: [PATCH] Fix NPE when determining if it is safe to repair a cluster
 (#2496)
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Signed-off-by: Marko Mudrinić <mudrinic.mare@gmail.com>

Signed-off-by: Marko Mudrinić <mudrinic.mare@gmail.com>
Co-authored-by: Marko Mudrinić <mudrinic.mare@gmail.com>
---
 pkg/state/cluster.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkg/state/cluster.go b/pkg/state/cluster.go
index e081a59a4..37c91fb01 100644
--- a/pkg/state/cluster.go
+++ b/pkg/state/cluster.go
@@ -242,7 +242,7 @@ func (c *Cluster) SafeToRepair(targetVersion string) (bool, string) {
 
 	var highestVer *semver.Version
 	for _, host := range c.ControlPlane {
-		if !host.IsInCluster {
+		if !host.IsInCluster || host.Kubelet.Version == nil {
 			continue
 		}
 		if highestVer == nil || host.Kubelet.Version.GreaterThan(highestVer) {