Re: [PATCH] ALSA: sound/isa: constify snd_kcontrol_new structures

From: Takashi Iwai
Date: Wed May 17 2017 - 08:21:01 EST


On Wed, 17 May 2017 13:38:56 +0200,
Bhumika Goyal wrote:
>
> Declare snd_kcontrol_new structures as const as they are only passed 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.
> Done using Coccinelle:
>
> @r disable optional_qualifier@
> identifier x;
> position p;
> @@
> static struct snd_kcontrol_new x@p={...};
>
> @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@xxxxxxxxx>

As I already asked, could you send as a patchset if you have multiple
similar patches?


thanks,

Takashi