On Sat, Jan 21, 2023 at 11:22:31AM -0800, Cong Wang wrote: > On Wed, Jan 18, 2023 at 12:27:39PM -0800, Bobby Eshleman wrote: > > +static int vsock_read_skb(struct sock *sk, skb_read_actor_t read_actor) > > +{ > > + struct vsock_sock *vsk = vsock_sk(sk); > > + > > + if (!vsk->transport) > > + return -ENODEV; > > + > > + if (!vsk->transport->read_skb) > > + return -EOPNOTSUPP; > > Can we move these two checks to sockmap update path? It would make > vsock_read_skb() faster. > > > + > > + return vsk->transport->read_skb(vsk, read_actor); > > +} > > Essentially can be just this one line. > > Thanks. That makes sense, will do. Thanks, Bobby