From 2572a7a1e6992be20931e449d0cd6c418b42710d Mon Sep 17 00:00:00 2001
From: Rohit Agrawal <rohit.agrawal@databricks.com>
Date: Thu, 18 Nov 2021 12:10:52 -0500
Subject: [PATCH] fix: Fixed NPE while getting the ReplicaSet labels

Signed-off-by: Rohit Agrawal <rohit.agrawal@databricks.com>
---
 utils/replicaset/replicaset.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/utils/replicaset/replicaset.go b/utils/replicaset/replicaset.go
index deb1af1da0..04134b2450 100644
--- a/utils/replicaset/replicaset.go
+++ b/utils/replicaset/replicaset.go
@@ -523,7 +523,7 @@ func PodTemplateEqualIgnoreHash(live, desired *corev1.PodTemplateSpec) bool {
 
 // GetPodTemplateHash returns the rollouts-pod-template-hash value from a ReplicaSet's labels
 func GetPodTemplateHash(rs *appsv1.ReplicaSet) string {
-	if rs.Labels == nil {
+	if rs == nil || rs.Labels == nil {
 		return ""
 	}
 	return rs.Labels[v1alpha1.DefaultRolloutUniqueLabelKey]