From 4953f59b25ea5d7d8159e69d7c88627fa988ff3c Mon Sep 17 00:00:00 2001
From: muhaidong <muhaidong@espressif.com>
Date: Wed, 2 Nov 2022 15:02:02 +0800
Subject: [PATCH] esp_wifi: number of WiFi cache TX buffers should not equal 0
 when enable SPIRAM

---
 components/esp_wifi/src/wifi_init.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/components/esp_wifi/src/wifi_init.c b/components/esp_wifi/src/wifi_init.c
index 02517049e8f5..b02e0bbe6148 100644
--- a/components/esp_wifi/src/wifi_init.c
+++ b/components/esp_wifi/src/wifi_init.c
@@ -182,6 +182,11 @@ static void esp_wifi_config_info(void)
 
 esp_err_t esp_wifi_init(const wifi_init_config_t *config)
 {
+    if ((config->feature_caps & CONFIG_FEATURE_CACHE_TX_BUF_BIT) && (WIFI_CACHE_TX_BUFFER_NUM == 0))
+    {
+        ESP_LOGE(TAG, "Number of WiFi cache TX buffers should not equal 0 when enable SPIRAM");
+        return ESP_ERR_NOT_SUPPORTED;
+    }
     esp_wifi_power_domain_on();
 #ifdef CONFIG_PM_ENABLE
     if (s_wifi_modem_sleep_lock == NULL) {