sockets: Fix free-select-locked after udp close

ESP_LWIP supports closing socket while waiting. This fixes potential races. Orig: fix bug for after udp close select_waiting assert (dd3b301) Ref IDF-4794
espressif · Aug 16, 2022 · 6666694 · 6666694
1 parent 83edc19
commit 6666694
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/api/sockets.c b/src/api/sockets.c
@@ -565,6 +565,9 @@ free_socket_locked(struct lwip_sock *sock, int is_tcp, struct netconn **conn,
 
   *lastdata = sock->lastdata;
   sock->lastdata.pbuf = NULL;
+#if ESP_LWIP
+  sock->select_waiting = 0;
+#endif /* ESP_LWIP */
   *conn = sock->conn;
   sock->conn = NULL;
   return 1;