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socket/netconn recv: FIN should only be reported once (as '0' for sockets, as 'ERR_CLSD' for netconns)
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@ -642,8 +642,8 @@ netconn_recv_data_tcp(struct netconn *conn, struct pbuf **new_buf, u8_t apiflags
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#endif /* LWIP_TCP */
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#endif /* LWIP_TCP */
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if (!sys_mbox_valid(&conn->recvmbox)) {
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if (!sys_mbox_valid(&conn->recvmbox)) {
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/* This happens when calling this function after receiving FIN */
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/* This only happens when calling this function more than once *after* receiving FIN */
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return sys_mbox_valid(&conn->acceptmbox) ? ERR_CONN : ERR_CLSD;
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return ERR_CONN;
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}
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}
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if (!(apiflags & NETCONN_NOAUTORCVD)) {
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if (!(apiflags & NETCONN_NOAUTORCVD)) {
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