diff --git a/zephyr/modusocket.c b/zephyr/modusocket.c index d40b4887cb..daaa157481 100644 --- a/zephyr/modusocket.c +++ b/zephyr/modusocket.c @@ -153,6 +153,7 @@ static void sock_received_cb(struct net_context *context, struct net_pkt *pkt, i struct net_pkt *last_pkt = _k_fifo_peek_tail(&socket->recv_q); if (last_pkt == NULL) { socket->state = STATE_PEER_CLOSED; + k_fifo_cancel_wait(&socket->recv_q); DEBUG_printf("Marked socket %p as peer-closed\n", socket); } else { // We abuse "buf_sent" flag to store EOF flag @@ -378,6 +379,11 @@ STATIC mp_uint_t sock_read(mp_obj_t self_in, void *buf, mp_uint_t max_len, int * DEBUG_printf("TCP recv: no cur_pkt, getting\n"); struct net_pkt *pkt = k_fifo_get(&socket->recv_q, K_FOREVER); + if (pkt == NULL) { + DEBUG_printf("TCP recv: NULL return from fifo\n"); + continue; + } + DEBUG_printf("TCP recv: new cur_pkt: %p\n", pkt); socket->cur_pkt = pkt; }