netdev - Re: [PATCH v2 3/7] ipv6 addrconf: rtr_solicits == -1 means unlimited

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Message-ID: <CAKD1Yr2MHqFMmJyf89pWzopcr07ziVcHqUB+oNWdphKx95nGDg@mail.gmail.com>
Date:   Tue, 27 Sep 2016 00:34:17 +0900
From:   Lorenzo Colitti <lorenzo@...gle.com>
To:     Maciej Żenczykowski <zenczykowski@...il.com>
Cc:     Maciej Żenczykowski <maze@...gle.com>,
        "David S . Miller" <davem@...emloft.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Erik Kline <ek@...gle.com>
Subject: Re: [PATCH v2 3/7] ipv6 addrconf: rtr_solicits == -1 means unlimited

On Sun, Sep 25, 2016 at 6:59 PM, Maciej Żenczykowski
<zenczykowski@...il.com> wrote:
> +                 ifp->idev->cnf.rtr_solicits != 0 &&

Given that some of this patch checks for == -1, and some of it checks
for != 0... is it possible that setting the value to something
unexpected like -3 will cause any issues to the stack? (Other than
just rendering IPv6 unusable on this interface, which seems like a
given.)