From 41f9d6102fb8cab50a365500a734afe264a2bbbb Mon Sep 17 00:00:00 2001
From: Alex Ballas <alex@ballas.org>
Date: Thu, 29 May 2025 15:25:51 +0300
Subject: [PATCH] Skip processing if lease hasn't changed to avoid unnecessary
 wake-ups

---
 internal/udhcpc/udhcpc.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/internal/udhcpc/udhcpc.go b/internal/udhcpc/udhcpc.go
index 70ac1b8..128ea66 100644
--- a/internal/udhcpc/udhcpc.go
+++ b/internal/udhcpc/udhcpc.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"os"
 	"path/filepath"
+	"reflect"
 	"time"
 
 	"github.com/fsnotify/fsnotify"
@@ -149,6 +150,12 @@ func (c *DHCPClient) loadLeaseFile() error {
 	}
 
 	isFirstLoad := c.lease == nil
+
+	// Skip processing if lease hasn't changed to avoid unnecessary wake-ups.
+	if reflect.DeepEqual(c.lease, lease) {
+		return nil
+	}
+
 	c.lease = lease
 
 	if lease.IPAddress == nil {