From 93dbdd4a621e2ecb2fe69ca76f5460e1bf8c7780 Mon Sep 17 00:00:00 2001
From: YAMAMOTO Takashi <yamamoto@midokura.com>
Date: Tue, 14 Jan 2025 15:49:28 +0900
Subject: [PATCH] esp32c3: apply wifi deadlock fix from esp32s3

cf. https://github.com/apache/nuttx/pull/15445
---
 arch/risc-v/src/esp32c3/esp_wifi_adapter.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/risc-v/src/esp32c3/esp_wifi_adapter.c b/arch/risc-v/src/esp32c3/esp_wifi_adapter.c
index 44fa965b641..533fb7c0b20 100644
--- a/arch/risc-v/src/esp32c3/esp_wifi_adapter.c
+++ b/arch/risc-v/src/esp32c3/esp_wifi_adapter.c
@@ -2576,6 +2576,13 @@ static void esp_evt_work_cb(void *arg)
           break;
         }
 
+      /* Some of the following logic (eg. esp_wlan_sta_set_linkstatus)
+       * can take net_lock(). To maintain the consistent locking order,
+       * we take net_lock() here before taking esp_wifi_lock. Note that
+       * net_lock() is a recursive lock.
+       */
+
+      net_lock();
       esp_wifi_lock(true);
 
       switch (evt_adpt->id)
@@ -2697,6 +2704,7 @@ static void esp_evt_work_cb(void *arg)
         }
 
       esp_wifi_lock(false);
+      net_unlock();
 
       kmm_free(evt_adpt);
     }