linux-kernel - Re: char: make misc_deregister a void function

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: <20150730234157.GA10250@redhat.com>
Date:	Thu, 30 Jul 2015 19:41:57 -0400
From:	Mike Snitzer <snitzer@...hat.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Alasdair Kergon <agk@...hat.com>, Neil Brown <neilb@...e.com>,
	Alessandro Zummo <a.zummo@...ertech.it>,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	Oleg Drokin <oleg.drokin@...el.com>,
	Andreas Dilger <andreas.dilger@...el.com>,
	"Michael S. Tsirkin" <mst@...hat.com>,
	Wim Van Sebroeck <wim@...ana.be>,
	Christine Caulfield <ccaulfie@...hat.com>,
	David Teigland <teigland@...hat.com>,
	Mark Fasheh <mfasheh@...e.com>,
	Joel Becker <jlbec@...lplan.org>, linux-kernel@...r.kernel.org
Subject: Re: char: make misc_deregister a void function

On Thu, Jul 30 2015 at  6:59pm -0400,
Greg Kroah-Hartman <gregkh@...uxfoundation.org> wrote:

> From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> 
> With well over 200+ users of this api, there are a mere 12 users that
> actually cheked the return value of this function.  And all of them
> really didn't do anything with that information as the system or module
> was shutting down no matter what.
> 
> So stop pretending like it matters, and just return void from
> misc_deregister().  If something goes wrong in the call, you will get a
> WARNING splat in the syslog so you know how to fix up your driver.
> Other than that, there's nothing that can go wrong.
> 
> Cc: Alasdair Kergon <agk@...hat.com>
> Cc: Mike Snitzer <snitzer@...hat.com>
> Cc: Neil Brown <neilb@...e.com>
> Cc: Alessandro Zummo <a.zummo@...ertech.it>
> Cc: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
> Cc: Oleg Drokin <oleg.drokin@...el.com>
> Cc: Andreas Dilger <andreas.dilger@...el.com>
> Cc: "Michael S. Tsirkin" <mst@...hat.com>
> Cc: Wim Van Sebroeck <wim@...ana.be>
> Cc: Christine Caulfield <ccaulfie@...hat.com>
> Cc: David Teigland <teigland@...hat.com>
> Cc: Mark Fasheh <mfasheh@...e.com>
> Cc: Joel Becker <jlbec@...lplan.org>
> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> 
> ---
> 
> If the different subsystem maintainers want to give me an ack for this,
> I'd appreciate it.  I'd like to just take the single patch in through
> the char-misc tree in one piece.

For DM:
Acked-by: Mike Snitzer <snitzer@...hat.com>
--
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/