On 16-09-20 09:26 PM, zhuyj wrote: > +static int e1000_xdp_set(struct net_device *netdev, struct bpf_prog *prog) > +{ > + struct e1000_adapter *adapter = netdev_priv(netdev); > + struct bpf_prog *old_prog; > + > + old_prog = xchg(&adapter->prog, prog); > + if (old_prog) { > + synchronize_net(); > + bpf_prog_put(old_prog); > + } > + > + if (netif_running(netdev)) > + e1000_reinit_locked(adapter); > + else > + e1000_reset(adapter); > + return 0; > +} > > To this function, is it better to use "static void > e1000_xdp_set(struct net_device *netdev, struct bpf_prog *prog)"? > since it is always to return 0. >
In general try to avoid top posting. Yes making it void would be reasonable and probably a good idea. I'll do it in v3. [...] Thanks, John