linux-kernel - Re: [PATCH v4 1/3] nvme/scsi: Remove power management support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1474069064.10494.4.camel@linux.intel.com>
Date:   Fri, 16 Sep 2016 16:37:44 -0700
From:   J Freyensee <james_p_freyensee@...ux.intel.com>
To:     Andy Lutomirski <luto@...nel.org>,
        Keith Busch <keith.busch@...el.com>, Jens Axboe <axboe@...com>
Cc:     linux-nvme@...ts.infradead.org, Christoph Hellwig <hch@....de>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 1/3] nvme/scsi: Remove power management support

On Fri, 2016-09-16 at 11:16 -0700, Andy Lutomirski wrote:
> As far as I can tell, there is basically nothing correct about this
> code.  It misinterprets npss (off-by-one).  It hardcodes a bunch of
> power states, which is nonsense, because they're all just indices
> into a table that software needs to parse.  It completely ignores
> the distinction between operational and non-operational states.
> And, until 4.8, if all of the above magically succeeded, it would
> dereference a NULL pointer and OOPS.
> 
> Since this code appears to be useless, just delete it.

Acked-by: Jay Freyensee <james_p_freyensee@...ux.intel.com>

> 
> Signed-off-by: Andy Lutomirski <luto@...nel.org>
> ---
>