linux-kernel - Re: [PATCH] ALSA: usb-audio: constify snd_kcontrol

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] [day] [month] [year] [list]

Message-ID: <s5hinm9sq8c.wl-tiwai@suse.de>
Date:   Wed, 12 Apr 2017 15:35:47 +0200
From:   Takashi Iwai <tiwai@...e.de>
To:     "Bhumika Goyal" <bhumirks@...il.com>
Cc:     <alsa-devel@...a-project.org>, <clemens@...isch.de>,
        <julia.lawall@...6.fr>, <perex@...ex.cz>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ALSA: usb-audio: constify snd_kcontrol_new structures

On Wed, 12 Apr 2017 15:08:06 +0200,
Bhumika Goyal wrote:
> 
> Declare snd_kcontrol_new strcutures as const as they are only passed as
> an argument to the function snd_ctl_new1. This argument is of type const,
> so snd_kcontrol_new structures having this property can be made const too.
> Done using Coccinelle:
> 
> @r disable optional_qualifier@
> identifier x;
> position p;
> @@
> static struct snd_kcontrol_new x@......};
> 
> @ok@
> identifier r.x;
> position p;
> @@
> snd_ctl_new1(&x@p,...)
> 
> @bad@
> position p != {r.p,ok.p};
> identifier r.x;
> @@
> x@p
> 
> @depends on !bad disable optional_qualifier@
> identifier r.x;
> @@
> +const
> struct snd_kcontrol_new x;
> 
> Signed-off-by: Bhumika Goyal <bhumirks@...il.com>

Applied, thanks.


Takashi