chore: add SliceEqual util function

pkg/provider/azure_loadbalancer.go

@@ -36,7 +36,6 @@ import (
 	servicehelpers "k8s.io/cloud-provider/service/helpers"
 	"k8s.io/klog/v2"
 	utilnet "k8s.io/utils/net"
-	"k8s.io/utils/strings/slices"
 
 	azcache "sigs.k8s.io/cloud-provider-azure/pkg/cache"
 	"sigs.k8s.io/cloud-provider-azure/pkg/consts"
@@ -3180,7 +3179,7 @@ func findSecurityRule(rules []network.SecurityRule, rule network.SecurityRule) b
 			if !strings.EqualFold(to.String(existingRule.DestinationAddressPrefix), to.String(rule.DestinationAddressPrefix)) {
 				continue
 			}
-			if !slices.Equal(to.StringSlice(existingRule.DestinationAddressPrefixes), to.StringSlice(rule.DestinationAddressPrefixes)) {
+			if !SliceEqual(to.StringSlice(existingRule.DestinationAddressPrefixes), to.StringSlice(rule.DestinationAddressPrefixes)) {
 				continue
 			}
 		}

pkg/provider/azure_utils.go

@@ -300,3 +300,19 @@ func sameContentInSlices(s1 []string, s2 []string) bool {
 	}
 	return true
 }
+
+// SliceEqual reports whether two slices are equal: the same length and all
+// elements equal. If the lengths are different, Equal returns false.
+// Otherwise, the elements are compared in index order, and the
+// comparison stops at the first unequal pair.
+func SliceEqual(s1, s2 []string) bool {
+	if len(s1) != len(s2) {
+		return false
+	}
+	for i, n := range s1 {
+		if n != s2[i] {
+			return false
+		}
+	}
+	return true
+}