linux-kernel - Re: [PATCH 3/7] pstore: Remove case of PSTORE_TYPE

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Message-ID: <CAJWu+oquafxsqo4VX3QwA3Fn4d13Y5ti7QWUek-LmMP1HPPSsg@mail.gmail.com>
Date:   Tue, 11 Oct 2016 07:46:38 -0700
From:   Joel Fernandes <joelaf@...gle.com>
To:     Kees Cook <keescook@...omium.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Anton Vorontsov <anton@...msg.org>,
        Colin Cross <ccross@...roid.com>,
        Tony Luck <tony.luck@...el.com>
Subject: Re: [PATCH 3/7] pstore: Remove case of PSTORE_TYPE_PMSG write using
 deprecated function

On Mon, Oct 10, 2016 at 4:52 PM, Kees Cook <keescook@...omium.org> wrote:
> On Fri, Oct 7, 2016 at 10:28 PM, Joel Fernandes <joelaf@...gle.com> wrote:
>> PMSG now uses ramoops_pstore_write_buf_user instead of ramoops_pstore_write_buf
>> Remove the case where we check PSTORE_TYPE_PMSG case.
>
> Ah yeah, good point. Can you actually improve this to add a
> ratelimited WARN() to both _write_buf and write_buf_user when an
> unhandled type is encountered?

Sure, I'll add that. I'll also use the kcalloc as you suggest in the
other thread and add module parameter, DT entry.

Thanks,
Joel