From 535fa9615cf4d94cac0cc1c2dd0ef89b35970a56 Mon Sep 17 00:00:00 2001
From: zhangyanjiao <zhangyanjiao@espressif.com>
Date: Wed, 5 Aug 2020 11:13:20 +0800
Subject: [PATCH] esp_wifi: fix the crash when wifi stop after deinit

---
 components/esp_wifi/src/wifi_init.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/components/esp_wifi/src/wifi_init.c b/components/esp_wifi/src/wifi_init.c
index 632798ad2d..74db41fdbc 100644
--- a/components/esp_wifi/src/wifi_init.c
+++ b/components/esp_wifi/src/wifi_init.c
@@ -32,6 +32,7 @@
 
 ESP_EVENT_DEFINE_BASE(WIFI_EVENT);
 
+extern uint8_t esp_wifi_get_user_init_flag_internal(void);
 #ifdef CONFIG_PM_ENABLE
 static esp_pm_lock_handle_t s_wifi_modem_sleep_lock;
 #endif
@@ -111,6 +112,11 @@ esp_err_t esp_wifi_deinit(void)
 {
     esp_err_t err = ESP_OK;
 
+    if (esp_wifi_get_user_init_flag_internal()) {
+        ESP_LOGE(TAG, "Wi-Fi not stop");
+        return ESP_FAIL; 
+    }
+
     esp_supplicant_deinit();
     err = esp_wifi_deinit_internal();
     if (err != ESP_OK) {