linux-kernel - Re: [PATCH 2/3] leds: add debugfs to device trigger

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: <20150930154754.GA31149@corsair.lan>
Date:	Wed, 30 Sep 2015 17:47:54 +0200
From:	Maciek Borzecki <maciek.borzecki@...il.com>
To:	Jacek Anaszewski <j.anaszewski@...sung.com>
Cc:	linux-kernel@...r.kernel.org, Richard Purdie <rpurdie@...ys.net>,
	linux-leds@...r.kernel.org, linux-doc@...r.kernel.org,
	Jonathan Corbet <corbet@....net>
Subject: Re: [PATCH 2/3] leds: add debugfs to device trigger

On 09/30 16:08, Jacek Anaszewski wrote:
> Hi Maciek,
>
> Please test your solution thoroughly before submitting
> the next version. Writing to debugfs register attribute
> fails due to lack of proper copying from user memory,
> which makes testing impossible.

Hi, thanks for the comment. Indeed, I noticed the problem just after
sending the patch. Surprisingly this didn't fail on iMX6 for some
reason.

Aside from the __user access problem, is the approach, in general, ok for
you or would you suggest that I changed something?

Regards,
--
Maciek Borzecki
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/