From 8acbcd7b8106bab30d51452044644d43fab08bd7 Mon Sep 17 00:00:00 2001
From: ReFil <31960031+ReFil@users.noreply.github.com>
Date: Wed, 15 Nov 2023 10:00:08 +0000
Subject: [PATCH] fix(ble): Fix race condition causing lockup

---
 app/src/split/bluetooth/central.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/app/src/split/bluetooth/central.c b/app/src/split/bluetooth/central.c
index b2c19a5ee1d..a8689aff232 100644
--- a/app/src/split/bluetooth/central.c
+++ b/app/src/split/bluetooth/central.c
@@ -722,6 +722,11 @@ void split_central_split_led_callback(struct k_work *work) {
             continue;
         }
 
+        if (!peripherals[0].update_led_handle) {
+            LOG_ERR("handle not discovered");
+            continue;
+        }
+
         int err = bt_gatt_write_without_response(peripherals[0].conn,
                                                  peripherals[0].update_led_handle, &payload,
                                                  sizeof(struct zmk_split_update_led_data), true);
@@ -783,6 +788,11 @@ void split_central_split_bl_callback(struct k_work *work) {
             continue;
         }
 
+        if (!peripherals[0].update_bl_handle) {
+            LOG_ERR("handle not discovered");
+            continue;
+        }
+
         int err =
             bt_gatt_write_without_response(peripherals[0].conn, peripherals[0].update_bl_handle,
                                            &payload, sizeof(struct zmk_split_update_bl_data), true);