diff options
| -rw-r--r-- | extmod/modlwip.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/extmod/modlwip.c b/extmod/modlwip.c index cf76747dc..33546a632 100644 --- a/extmod/modlwip.c +++ b/extmod/modlwip.c @@ -1202,6 +1202,10 @@ STATIC mp_uint_t lwip_socket_ioctl(mp_obj_t self_in, mp_uint_t request, uintptr_ if (socket->pcb.tcp == NULL) { return 0; } + + // Deregister callback (pcb.tcp is set to NULL below so must deregister now) + tcp_recv(socket->pcb.tcp, NULL); + switch (socket->type) { case MOD_NETWORK_SOCK_STREAM: { if (socket->pcb.tcp->state == LISTEN) { @@ -1222,6 +1226,8 @@ STATIC mp_uint_t lwip_socket_ioctl(mp_obj_t self_in, mp_uint_t request, uintptr_ if (!socket_is_listener) { pbuf_free(socket->incoming.pbuf); } else { + // Deregister callback and abort + tcp_poll(socket->incoming.connection, NULL, 0); tcp_abort(socket->incoming.connection); } socket->incoming.pbuf = NULL; |