esp32c3: apply wifi deadlock fix from esp32s3

cf. apache#15445
linguini1 · Jan 16, 2025 · c3203de · c3203de
1 parent 049447c
commit c3203de
Showing 1 changed file with 8 additions and 0 deletions.
diff --git 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);
     }