[alsa-devel] [PATCH] ALSA: usb-audio: constify snd_kcontrol_new structures
Takashi Iwai
tiwai at suse.de
Wed Apr 12 15:35:47 CEST 2017
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 at p={...};
>
> @ok@
> identifier r.x;
> position p;
> @@
> snd_ctl_new1(&x at p,...)
>
> @bad@
> position p != {r.p,ok.p};
> identifier r.x;
> @@
> x at p
>
> @depends on !bad disable optional_qualifier@
> identifier r.x;
> @@
> +const
> struct snd_kcontrol_new x;
>
> Signed-off-by: Bhumika Goyal <bhumirks at gmail.com>
Applied, thanks.
Takashi
More information about the Alsa-devel
mailing list