From 916f87b333237080664b783ec877d9654b1b44f8 Mon Sep 17 00:00:00 2001
From: Zhou Xiao <zhouxiao@espressif.com>
Date: Wed, 10 Sep 2025 13:15:37 +0800
Subject: [PATCH] fix(ble): init return code in nimble example

* Closes https://github.com/espressif/esp-idf/issues/17547
---
 .../ble_get_started/nimble/NimBLE_GATT_Server/main/main.c | 2 +-
 .../nimble/NimBLE_GATT_Server/main/src/gatt_svc.c         | 8 ++++----
 .../ble_get_started/nimble/NimBLE_Security/main/main.c    | 2 +-
 .../nimble/NimBLE_Security/main/src/gatt_svc.c            | 8 ++++----
 4 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/examples/bluetooth/ble_get_started/nimble/NimBLE_GATT_Server/main/main.c b/examples/bluetooth/ble_get_started/nimble/NimBLE_GATT_Server/main/main.c
index bff677cb66..aa804b2099 100644
--- a/examples/bluetooth/ble_get_started/nimble/NimBLE_GATT_Server/main/main.c
+++ b/examples/bluetooth/ble_get_started/nimble/NimBLE_GATT_Server/main/main.c
@@ -80,7 +80,7 @@ static void heart_rate_task(void *param) {
 
 void app_main(void) {
     /* Local variables */
-    int rc;
+    int rc = 0;
     esp_err_t ret;
 
     /* LED initialization */
diff --git a/examples/bluetooth/ble_get_started/nimble/NimBLE_GATT_Server/main/src/gatt_svc.c b/examples/bluetooth/ble_get_started/nimble/NimBLE_GATT_Server/main/src/gatt_svc.c
index f1f75ecf66..0337fd01be 100644
--- a/examples/bluetooth/ble_get_started/nimble/NimBLE_GATT_Server/main/src/gatt_svc.c
+++ b/examples/bluetooth/ble_get_started/nimble/NimBLE_GATT_Server/main/src/gatt_svc.c
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2024-2025 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Unlicense OR CC0-1.0
  */
@@ -72,7 +72,7 @@ static const struct ble_gatt_svc_def gatt_svr_svcs[] = {
 static int heart_rate_chr_access(uint16_t conn_handle, uint16_t attr_handle,
                                  struct ble_gatt_access_ctxt *ctxt, void *arg) {
     /* Local variables */
-    int rc;
+    int rc = 0;
 
     /* Handle access events */
     /* Note: Heart rate characteristic is read only */
@@ -115,7 +115,7 @@ error:
 static int led_chr_access(uint16_t conn_handle, uint16_t attr_handle,
                           struct ble_gatt_access_ctxt *ctxt, void *arg) {
     /* Local variables */
-    int rc;
+    int rc = 0;
 
     /* Handle access events */
     /* Note: LED characteristic is write only */
@@ -248,7 +248,7 @@ void gatt_svr_subscribe_cb(struct ble_gap_event *event) {
  */
 int gatt_svc_init(void) {
     /* Local variables */
-    int rc;
+    int rc = 0;
 
     /* 1. GATT service initialization */
     ble_svc_gatt_init();
diff --git a/examples/bluetooth/ble_get_started/nimble/NimBLE_Security/main/main.c b/examples/bluetooth/ble_get_started/nimble/NimBLE_Security/main/main.c
index f271d861eb..26541056a6 100644
--- a/examples/bluetooth/ble_get_started/nimble/NimBLE_Security/main/main.c
+++ b/examples/bluetooth/ble_get_started/nimble/NimBLE_Security/main/main.c
@@ -85,7 +85,7 @@ static void heart_rate_task(void *param) {
 
 void app_main(void) {
     /* Local variables */
-    int rc;
+    int rc = 0;
     uint32_t seed = esp_random();
     esp_err_t ret;
 
diff --git a/examples/bluetooth/ble_get_started/nimble/NimBLE_Security/main/src/gatt_svc.c b/examples/bluetooth/ble_get_started/nimble/NimBLE_Security/main/src/gatt_svc.c
index 17d768382f..d819be8e5b 100644
--- a/examples/bluetooth/ble_get_started/nimble/NimBLE_Security/main/src/gatt_svc.c
+++ b/examples/bluetooth/ble_get_started/nimble/NimBLE_Security/main/src/gatt_svc.c
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2024-2025 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Unlicense OR CC0-1.0
  */
@@ -75,7 +75,7 @@ static const struct ble_gatt_svc_def gatt_svr_svcs[] = {
 static int heart_rate_chr_access(uint16_t conn_handle, uint16_t attr_handle,
                                  struct ble_gatt_access_ctxt *ctxt, void *arg) {
     /* Local variables */
-    int rc;
+    int rc = 0;
 
     /* Handle access events */
     /* Note: Heart rate characteristic is read only */
@@ -118,7 +118,7 @@ error:
 static int led_chr_access(uint16_t conn_handle, uint16_t attr_handle,
                           struct ble_gatt_access_ctxt *ctxt, void *arg) {
     /* Local variables */
-    int rc;
+    int rc = 0;
 
     /* Handle access events */
     /* Note: LED characteristic is write only */
@@ -256,7 +256,7 @@ int gatt_svr_subscribe_cb(struct ble_gap_event *event) {
  */
 int gatt_svc_init(void) {
     /* Local variables */
-    int rc;
+    int rc = 0;
 
     /* 1. GATT service initialization */
     ble_svc_gatt_init();