From 58110f3d1aa0ce37cf8d3d5d0d05f064b31e4776 Mon Sep 17 00:00:00 2001
From: liqinhui <liqinhui@xiaomi.com>
Date: Thu, 17 Apr 2025 19:56:29 +0800
Subject: [PATCH] drivers/net: Fix crash in wifi_sim disconnect.

Add WLAN_STA_STATE_DISCONNECTED state to prevent race conditions or invalid state handling during disconnect.

Signed-off-by: liqinhui <liqinhui@xiaomi.com>
---
 drivers/net/wifi_sim.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/wifi_sim.c b/drivers/net/wifi_sim.c
index 4f5168fa738..12ae4de51e1 100644
--- a/drivers/net/wifi_sim.c
+++ b/drivers/net/wifi_sim.c
@@ -146,6 +146,7 @@ enum WLAN_STA_STATE_E
   WLAN_STA_STATE_INIT,
   WLAN_STA_STATE_CONNECTING,
   WLAN_STA_STATE_CONNECTED,
+  WLAN_STA_STATE_DISCONNECTED,
 };
 
 enum WLAN_STA_CONNERR_E
@@ -915,6 +916,8 @@ static int wifidriver_start_disconnect(FAR struct wifi_sim_s *wifidev)
         {
           if (wifidev->state == WLAN_STA_STATE_CONNECTED)
             {
+              wifidev->state = WLAN_STA_STATE_DISCONNECTED;
+
               /* free the connected_ap */
 
               free(wifidev->connected_ap);