From ef3d42ee9d6d5c53592be2d4268643d3530e0e08 Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <andrew@tridgell.net>
Date: Sat, 2 Sep 2023 11:50:21 +1000
Subject: [PATCH] HAL_ChibiOS: fixed bootloader build with F4 CAN

---
 libraries/AP_HAL_ChibiOS/CanIface.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libraries/AP_HAL_ChibiOS/CanIface.cpp b/libraries/AP_HAL_ChibiOS/CanIface.cpp
index 57b39d110a..f7edd22198 100644
--- a/libraries/AP_HAL_ChibiOS/CanIface.cpp
+++ b/libraries/AP_HAL_ChibiOS/CanIface.cpp
@@ -496,7 +496,9 @@ void CANIface::handleTxMailboxInterrupt(uint8_t mailbox_index, bool txok, const
     if (txok && !txi.pushed) {
         txi.pushed = true;
         PERF_STATS(stats.tx_success);
+#if !defined(HAL_BOOTLOADER_BUILD)
         stats.last_transmit_us = timestamp_us;
+#endif
     }
 }