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SubjectRe: [PATCH net-next v5 05/22] ethtool: introduce ethtool netlink interface
On Tue, Mar 26, 2019 at 05:36:40PM +0100, Jiri Pirko wrote:
> Mon, Mar 25, 2019 at 06:08:09PM CET, mkubecek@suse.cz wrote:
> >+/* genetlink setup */
> >+
> >+static const struct genl_ops ethtool_genl_ops[] = {
>
> Please be consistent with prefixes. Either use "ethtool_" or "ethnl_"
> for all functions and variables in this code.

OK

> >+/* module setup */
> >+
> >+static int __init ethnl_init(void)
> >+{
> >+ int ret;
> >+
> >+ ret = genl_register_family(&ethtool_genl_family);
> >+ if (WARN(ret < 0, "ethtool: genetlink family registration failed"))
>
> Why do you need this warning? Please avoid it.

I'm confused now... few days ago you replied "+1" to the idea:

http://lkml.kernel.org/r/20190321162105.GU2087@nanopsycho

I agreed that panic() (which is what e.g. rtnetlink does) would be an
overkill but I would be definitely opposed to not having anything in the
log at all and just silently going on without the interface (which may
result in misconfigured network). I believe that if this fails, it is
a sign of something going very wrong inside the kernel so that the "W"
taint flag would be appropriate.

Michal

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