diff options
| -rw-r--r-- | extmod/modlwip.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/extmod/modlwip.c b/extmod/modlwip.c index 05b6208f2a..fccde6a052 100644 --- a/extmod/modlwip.c +++ b/extmod/modlwip.c @@ -384,11 +384,6 @@ STATIC mp_uint_t lwip_tcp_send(lwip_socket_obj_t *socket, const byte *buf, mp_ui // Helper function for recv/recvfrom to handle TCP packets STATIC mp_uint_t lwip_tcp_receive(lwip_socket_obj_t *socket, byte *buf, mp_uint_t len, int *_errno) { - - if (socket->state == STATE_PEER_CLOSED) { - return 0; - } - if (socket->incoming.pbuf == NULL) { mp_uint_t start = mp_hal_ticks_ms(); while (socket->state == STATE_CONNECTED && socket->incoming.pbuf == NULL) { @@ -399,7 +394,10 @@ STATIC mp_uint_t lwip_tcp_receive(lwip_socket_obj_t *socket, byte *buf, mp_uint_ poll_sockets(); } if (socket->state == STATE_PEER_CLOSED) { - return 0; + if (socket->incoming.pbuf == NULL) { + // socket closed and no data left in buffer + return 0; + } } else if (socket->state != STATE_CONNECTED) { *_errno = -socket->state; return -1; |