Sat, Jul 20, 2019 at 05:59:14AM CEST, jakub.kicin...@netronome.com wrote: >On Fri, 19 Jul 2019 13:00:26 +0200, Jiri Pirko wrote: >> diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c >> index 7a2010b16e10..f11a2367037d 100644 >> --- a/net/core/rtnetlink.c >> +++ b/net/core/rtnetlink.c >> @@ -980,6 +980,18 @@ static size_t rtnl_xdp_size(void) >> return xdp_size; >> } >> >> +static size_t rtnl_alt_ifname_list_size(const struct net_device *dev) >> +{ >> + struct netdev_name_node *name_node; >> + size_t size = nla_total_size(0); >> + >> + if (list_empty(&dev->name_node->list)) >> + return 0; > >Nit: it would make the intent a tiny bit clearer if > > size = nla_total_size(0); > >was after this early return.
Sure. > >> + list_for_each_entry(name_node, &dev->name_node->list, list) >> + size += nla_total_size(ALTIFNAMSIZ); > >Since we have the structure I wonder if it would be worthwhile to store Which structure? >the exact size in it? > >> + return size; >> +} >> +