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lwip: fix crash caused by sys_mbox_free

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Fix lwip crashed bug caused by sys_mbox_free()
This commit is contained in:
Liu Zhi Fu
2018-10-30 22:20:05 +08:00
parent 01cfb0d6bd
commit 3514effcd0
5 changed files with 104 additions and 79 deletions
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24
components/lwip/api/api_msg.c
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@@ -710,6 +710,14 @@ netconn_alloc(enum netconn_type t, netconn_callback callback)
}
#endif
#if ESP_THREAD_SAFE
conn->recvmbox_ref = conn->recvmbox;
sys_mbox_set_owner(&conn->recvmbox, conn);
#if LWIP_TCP
sys_mbox_set_invalid(&conn->acceptmbox_ref);
#endif
#endif
#if LWIP_TCP
sys_mbox_set_invalid(&conn->acceptmbox);
#endif
@@ -760,6 +768,18 @@ netconn_free(struct netconn *conn)
!sys_mbox_valid(&conn->acceptmbox));
#endif /* LWIP_TCP */
#if ESP_THREAD_SAFE
if (conn->recvmbox_ref) {
sys_mbox_free(&conn->recvmbox_ref);
}
#if LWIP_TCP
if (conn->acceptmbox_ref) {
sys_mbox_free(&conn->acceptmbox_ref);
}
#endif
#endif
#if !LWIP_NETCONN_SEM_PER_THREAD
sys_sem_free(&conn->op_completed);
sys_sem_set_invalid(&conn->op_completed);
@@ -1399,6 +1419,10 @@ lwip_netconn_do_listen(void *m)
msg->err = sys_mbox_new(&msg->conn->acceptmbox, DEFAULT_ACCEPTMBOX_SIZE);
}
if (msg->err == ERR_OK) {
#if ESP_THREAD_SAFE
msg->conn->acceptmbox_ref = msg->conn->acceptmbox;
sys_mbox_set_owner(&msg->conn->acceptmbox, msg->conn);
#endif
msg->conn->state = NETCONN_LISTEN;
msg->conn->pcb.tcp = lpcb;
tcp_arg(msg->conn->pcb.tcp, msg->conn);