rxrpc_get_peer_maybe
struct rxrpc_peer *rxrpc_get_peer_maybe(struct rxrpc_peer *, enum rxrpc_peer_trace);
if (peer && !rxrpc_get_peer_maybe(peer, rxrpc_peer_get_service_conn))
peer = rxrpc_get_peer_maybe(peer, rxrpc_peer_get_input);
if (peer && !rxrpc_get_peer_maybe(peer, rxrpc_peer_get_input_error))
if (!rxrpc_get_peer_maybe(peer, rxrpc_peer_get_keepalive))
if (peer && !rxrpc_get_peer_maybe(peer, rxrpc_peer_get_lookup_client))
if (peer && !rxrpc_get_peer_maybe(peer, rxrpc_peer_get_lookup_client))