linux-kernel - Re: [PATCH 1/1] platform: x86: Deletion of checks before backlight_device

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 for Android: free password hash cracker in your pocket

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

Message-ID: <20150626230655.GB57818@vmdeb7>
Date:	Fri, 26 Jun 2015 16:06:55 -0700
From:	Darren Hart <dvhart@...radead.org>
To:	Julia Lawall <julia.lawall@...6.fr>
Cc:	SF Markus Elfring <elfring@...rs.sourceforge.net>,
	Anisse Astier <anisse@...ier.eu>,
	Corentin Chary <corentin.chary@...il.com>,
	Ike Panhc <ike.pan@...onical.com>,
	Jonathan Woithe <jwoithe@...t42.net>,
	Mattia Dongili <malattia@...ux.it>,
	platform-driver-x86@...r.kernel.org,
	acpi4asus-user@...ts.sourceforge.net,
	LKML <linux-kernel@...r.kernel.org>,
	kernel-janitors@...r.kernel.org
Subject: Re: [PATCH 1/1] platform: x86: Deletion of checks before
 backlight_device_unregister()

On Thu, Nov 27, 2014 at 07:13:10PM +0100, Julia Lawall wrote:
> 
> 
> On Mon, 24 Nov 2014, SF Markus Elfring wrote:
> 
> > >> This issue was detected by using the Coccinelle software.
> > >
> > > What script was used ?
> >
> > A semantic patch approach which I published on the mailing lists in March
> > is in action on my software development system for a while.
> >
> >
> > > Is it in scripts/coccinelle ?
> >
> > Not yet.
> >
> > I hope that the involved update suggestions got sufficient positive feedback
> > to integrate five scripts there.
> 
> The current scripts are very complicated, involving the interaction
> between multiple scripts and a database, and I think they are not very
> suitable for make coccicheck.  Also, the idea of removing the null checks
> is not appropriate in all contexts.  Perhaps it could be possible to add
> a script to the Linux kernel that handles a number of common cases for
> which removing the null test is widely considered to be desirable.
> 
> julia
> 

Julia, do you have any particular objection to this specific patch? I didn't see
a reason to prevent it going in.

-- 
Darren Hart
Intel Open Source Technology Center
--
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/