diff options
| -rw-r--r-- | ports/esp32/modsocket.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/ports/esp32/modsocket.c b/ports/esp32/modsocket.c index 1252a18c5..dcb979b9c 100644 --- a/ports/esp32/modsocket.c +++ b/ports/esp32/modsocket.c @@ -676,6 +676,9 @@ STATIC mp_uint_t socket_stream_write(mp_obj_t self_in, const void *buf, mp_uint_ STATIC mp_uint_t socket_stream_ioctl(mp_obj_t self_in, mp_uint_t request, uintptr_t arg, int *errcode) { socket_obj_t *socket = self_in; if (request == MP_STREAM_POLL) { + if (socket->fd == -1) { + return MP_STREAM_POLL_NVAL; + } fd_set rfds; FD_ZERO(&rfds); |