From 74c055745f7afdcb31022a8f74fd70cae02f04fb Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Mon, 6 Oct 2025 09:14:24 -0500
Subject: [PATCH] [esp32_can] Fix clang-tidy sign comparison error (#11049)

---
 esphome/components/esp32_can/esp32_can.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/esphome/components/esp32_can/esp32_can.cpp b/esphome/components/esp32_can/esp32_can.cpp
index 252482dc5e..cdef7b1930 100644
--- a/esphome/components/esp32_can/esp32_can.cpp
+++ b/esphome/components/esp32_can/esp32_can.cpp
@@ -68,7 +68,7 @@ static bool get_bitrate(canbus::CanSpeed bitrate, twai_timing_config_t *t_config
 
 bool ESP32Can::setup_internal() {
   static int next_twai_ctrl_num = 0;
-  if (next_twai_ctrl_num >= SOC_TWAI_CONTROLLER_NUM) {
+  if (static_cast<unsigned>(next_twai_ctrl_num) >= SOC_TWAI_CONTROLLER_NUM) {
     ESP_LOGW(TAG, "Maximum number of esp32_can components created already");
     this->mark_failed();
     return false;