netdev - Re: [PATCH net-next 1/4] net: rtnetlink: support for fdb get

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Message-ID: <e5f6a8ec-7510-0b30-9f41-5404c3178677@cumulusnetworks.com>
Date:   Fri, 14 Dec 2018 12:42:21 -0700
From:   David Ahern <dsa@...ulusnetworks.com>
To:     Jakub Kicinski <jakub.kicinski@...ronome.com>,
        Roopa Prabhu <roopa@...ulusnetworks.com>
Cc:     David Miller <davem@...emloft.net>,
        netdev <netdev@...r.kernel.org>,
        Nikolay Aleksandrov <nikolay@...ulusnetworks.com>,
        Stephen Hemminger <stephen@...workplumber.org>
Subject: Re: [PATCH net-next 1/4] net: rtnetlink: support for fdb get

On 12/14/18 12:37 PM, Jakub Kicinski wrote:
> Oh, so we'd use the STRICT checking in doit for the first time?  I
> better send that rename patch then..

IMHO, no. The flag is for older userspace that could be sending junk in
the request. All new code should do strict checking without the flag set
to ensure only proper requests are handled.