linux-kernel - Re: [PATCH] powercap/intel_rapl: fix and tidy up error handling

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: <20161128093103.3cb4041c@jacob-builder>
Date:   Mon, 28 Nov 2016 09:31:03 -0800
From:   Jacob Pan <jacob.jun.pan@...ux.intel.com>
To:     "Rafael J. Wysocki" <rafael@...nel.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Linux PM <linux-pm@...r.kernel.org>,
        Rafael Wysocki <rafael.j.wysocki@...el.com>,
        Marcin Koss <marcin.koss@...el.com>,
        Lukasz Odzioba <lukasz.odzioba@...el.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        jacob.jun.pan@...ux.intel.com
Subject: Re: [PATCH] powercap/intel_rapl: fix and tidy up error handling

On Thu, 24 Nov 2016 22:06:59 +0100
"Rafael J. Wysocki" <rafael@...nel.org> wrote:

> On Wed, Nov 23, 2016 at 8:01 PM, Jacob Pan
> <jacob.jun.pan@...ux.intel.com> wrote:
> > Commit e1399ba20eee ("powercap / RAPL: handle missing MSRs") added
> > contraint_to_pl() function to return index into an array. But it
> > can potentially return -EINVAL if powercap layer sends an out of
> > range constraint ID. This patch adds sanity check.
> >
> > Unnecessary RAPL domain pointer check is removed since it must be
> > initialized before calling rapl_unit_xlate().
> >
> > Reported-by: Odzioba, Lukasz <lukasz.odzioba@...el.com>
> > Reported-by: Koss, Marcin <marcin.koss@...el.com>  
> 
> Does this depend on the Thomas' series only?
> 
yes, it is on top of Thomas' series.
> Also, it looks like a Fixes: tag should be present here.
> 
OK. will add that.
> >
> > Signed-off-by: Jacob Pan <jacob.jun.pan@...ux.intel.com>  
> 
> Thanks,
> Rafael

[Jacob Pan]