linux-kernel - Re: [PATCH 1/3] driver core: add probe

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: <a0dc2316-fb5d-31cf-7e21-442a2968f649@redhat.com>
Date:   Tue, 16 Oct 2018 11:32:34 +0200
From:   Javier Martinez Canillas <javierm@...hat.com>
To:     Andrzej Hajda <a.hajda@...sung.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        andy.shevchenko@...il.com, Mark Brown <broonie@...nel.org>
Subject: Re: [PATCH 1/3] driver core: add probe_err log helper

Hello Andrzej,

On 10/16/2018 09:22 AM, Andrzej Hajda wrote:
> During probe every time driver gets resource it should usually check for error
> printk some message if it is not -EPROBE_DEFER and return the error. This
> pattern is simple but requires adding few lines after any resource acquisition
> code, as a result it is often omited or implemented only partially.
> probe_err helps to replace such code seqences with simple call, so code:
> 	if (err != -EPROBE_DEFER)
> 		dev_err(dev, ...);
> 	return err;
> becomes:
> 	return probe_err(dev, err, ...);
> 
> Signed-off-by: Andrzej Hajda <a.hajda@...sung.com>
> ---

Reviewed-by: Javier Martinez Canillas <javierm@...hat.com>

Best regards,
-- 
Javier Martinez Canillas
Software Engineer - Desktop Hardware Enablement
Red Hat