On Mon, 05 Oct 2020 21:46:02 +0200 Johannes Berg wrote: > On Mon, 2020-10-05 at 12:41 -0700, Jakub Kicinski wrote: > > > > Now you can freely add any attributes, and, due to strict validation, > > > anything not specified in the policy will be rejected, whether by being > > > out of range (> maxattr) or not specified (NLA_UNSPEC). > > > > 100%, but in ethtool policy is defined in a different compilation unit > > than the op array. > > Ah. OK, then that won't work, of course, never mind. > > I'd probably go with your preference then, but perhaps drop the actual > size definition: > > const struct nla_policy policy[] = { > ... > }; > > extern const struct nla_policy policy[OTHER_ATTR + 1]; > > op = { > .policy = policy, > .max_attr = ARRAY_SIZE(policy) - 1, > } > > > But that'd really just be to save typing copying it if it ever changes, > since it's compiler checked for consistency.
Sounds good, will do (unless Michal speaks up and prefers otherwise :)).