On Tue, 15 Sep 2020 15:56:48 +0300 Moshe Shemesh wrote: > On 9/15/2020 12:33 AM, Jakub Kicinski wrote: > >> + if (err) > >> + return err; > >> + > >> + WARN_ON(!actions_performed); > >> + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); > >> + if (!msg) > >> + return -ENOMEM; > >> + > >> + err = devlink_nl_reload_actions_performed_fill(msg, devlink, > >> actions_performed, > >> + DEVLINK_CMD_RELOAD, > >> info->snd_portid, > >> + info->snd_seq, 0); > >> + if (err) { > >> + nlmsg_free(msg); > >> + return err; > >> + } > >> + > >> + return genlmsg_reply(msg, info); > > I think generating the reply may break existing users. Only generate > > the reply if request contained DEVLINK_ATTR_RELOAD_ACTION (or any other > > new attribute which existing users can't pass). > > OK, I can do that. But I update stats and generate devlink notification > anyway, that should fine, right ?
Yes, that should be fine.