linux-kernel - Re: [PATCH v4 5/6] pstore/ram: Introduce max_reason and convert dump

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Message-ID: <202005151253.AF4AC00@keescook>
Date:   Fri, 15 May 2020 12:53:50 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Pavel Tatashin <pasha.tatashin@...een.com>
Cc:     Petr Mladek <pmladek@...e.com>, Anton Vorontsov <anton@...msg.org>,
        Colin Cross <ccross@...roid.com>,
        Tony Luck <tony.luck@...el.com>,
        Jonathan Corbet <corbet@....net>,
        Benson Leung <bleung@...omium.org>,
        Rob Herring <robh+dt@...nel.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Linux Doc Mailing List <linux-doc@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>, devicetree@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH v4 5/6] pstore/ram: Introduce max_reason and convert
 dump_oops

On Fri, May 15, 2020 at 03:40:14PM -0400, Pavel Tatashin wrote:
>  pdata.dump_oops = dump_oops;
> > +       /* If "max_reason" is set, its value has priority over "dump_oops". */
> > +       if (ramoops_max_reason != -1)
> > +               pdata.max_reason = ramoops_max_reason;
> 
>  (ramoops_max_reason >= 0) might make more sense here, we do not want
> negative max_reason even if it was provided by the user.

Yeah, that's a good point. I'll tweak that. Thanks!

-- 
Kees Cook