On Tue, 2018-01-30 at 10:47 +0100, Benjamin Beichler wrote: > It should not be triggered because of already existing macs, I added it > for somehow completeness, but you can leave it out. Sure. > After having again a look on it, there could be an -ENOMEM on > rhashtable_insert. Maybe it's better to explicitly catch only -EEXIST > and print for the rest an generic error. Do you agree ? Nah, that's unlikely enough ... and you get -ENOMEM back in userspace too. That said, good thing I looked at this - you forgot a set of braces :-) johannes