From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753477AbdDLNIR (ORCPT ); Wed, 12 Apr 2017 09:08:17 -0400 Received: from mail-pg0-f67.google.com ([74.125.83.67]:33248 "EHLO mail-pg0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751685AbdDLNIP (ORCPT ); Wed, 12 Apr 2017 09:08:15 -0400 From: Bhumika Goyal To: julia.lawall@lip6.fr, clemens@ladisch.de, perex@perex.cz, tiwai@suse.com, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org Cc: Bhumika Goyal Subject: [PATCH] ALSA: usb-audio: constify snd_kcontrol_new structures Date: Wed, 12 Apr 2017 18:38:06 +0530 Message-Id: <1492002486-9021-1-git-send-email-bhumirks@gmail.com> X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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@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 --- sound/usb/midi.c | 2 +- sound/usb/mixer.c | 6 +++--- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/sound/usb/midi.c b/sound/usb/midi.c index 6e763bc..a35f414 100644 --- a/sound/usb/midi.c +++ b/sound/usb/midi.c @@ -1922,7 +1922,7 @@ static int roland_load_put(struct snd_kcontrol *kcontrol, return changed; } -static struct snd_kcontrol_new roland_load_ctl = { +static const struct snd_kcontrol_new roland_load_ctl = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "MIDI Input Mode", .info = roland_load_info, diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index 4703cae..082736c 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -1172,7 +1172,7 @@ static struct snd_kcontrol_new usb_feature_unit_ctl = { }; /* the read-only variant */ -static struct snd_kcontrol_new usb_feature_unit_ctl_ro = { +static const struct snd_kcontrol_new usb_feature_unit_ctl_ro = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "", /* will be filled later manually */ .info = mixer_ctl_feature_info, @@ -1745,7 +1745,7 @@ static int mixer_ctl_procunit_put(struct snd_kcontrol *kcontrol, } /* alsa control interface for processing/extension unit */ -static struct snd_kcontrol_new mixer_procunit_ctl = { +static const struct snd_kcontrol_new mixer_procunit_ctl = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "", /* will be filled later */ .info = mixer_ctl_feature_info, @@ -2033,7 +2033,7 @@ static int mixer_ctl_selector_put(struct snd_kcontrol *kcontrol, } /* alsa control interface for selector unit */ -static struct snd_kcontrol_new mixer_selectunit_ctl = { +static const struct snd_kcontrol_new mixer_selectunit_ctl = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "", /* will be filled later */ .info = mixer_ctl_selector_info, -- 2.7.4