From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752225AbbCYL0V (ORCPT ); Wed, 25 Mar 2015 07:26:21 -0400 Received: from opensource.wolfsonmicro.com ([80.75.67.52]:51120 "EHLO opensource.wolfsonmicro.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751021AbbCYL0U (ORCPT ); Wed, 25 Mar 2015 07:26:20 -0400 From: Charles Keepax To: broonie@kernel.org Cc: lgirdwood@gmail.com, nikesh@opensource.wolfsonmicro.com, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, patches@opensource.wolfsonmicro.com, tiwai@suse.de Subject: [PATCH v3] ASoC: dapm: Fix build warning Date: Wed, 25 Mar 2015 11:22:35 +0000 Message-Id: <1427282555-19050-1-git-send-email-ckeepax@opensource.wolfsonmicro.com> X-Mailer: git-send-email 1.7.2.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org commit c66150824b8a ("ASoC: dapm: add code to configure dai link parameters") introduced the following build warning: sound/soc/soc-dapm.c: In function 'snd_soc_dapm_new_pcm': sound/soc/soc-dapm.c:3389:4: warning: passing argument 1 of 'snprintf' discards 'const' qualifier from pointer target type snprintf(w_param_text[count], len, This patch fixes this by switching to using devm_kasprintf. This also saves a couple of lines of code. Signed-off-by: Charles Keepax --- Changes since v2: - Use devm_kasprintf sound/soc/soc-dapm.c | 13 +++++-------- 1 files changed, 5 insertions(+), 8 deletions(-) diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 049b300..4bd2a6f 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -3346,7 +3346,6 @@ int snd_soc_dapm_new_pcm(struct snd_soc_card *card, { struct snd_soc_dapm_widget template; struct snd_soc_dapm_widget *w; - size_t len; char *link_name; int ret, count; unsigned long private_value; @@ -3366,28 +3365,26 @@ int snd_soc_dapm_new_pcm(struct snd_soc_card *card, if (!w_param_text) return -ENOMEM; - len = strlen(source->name) + strlen(sink->name) + 2; - link_name = devm_kzalloc(card->dev, len, GFP_KERNEL); + link_name = devm_kasprintf(card->dev, GFP_KERNEL, "%s-%s", + source->name, sink->name); if (!link_name) { ret = -ENOMEM; goto outfree_w_param; } - snprintf(link_name, len, "%s-%s", source->name, sink->name); for (count = 0 ; count < num_params; count++) { if (!config->stream_name) { dev_warn(card->dapm.dev, "ASoC: anonymous config %d for dai link %s\n", count, link_name); - len = strlen("Anonymous Configuration ") + 3; w_param_text[count] = - devm_kzalloc(card->dev, len, GFP_KERNEL); + devm_kasprintf(card->dev, GFP_KERNEL, + "Anonymous Configuration %d", + count); if (!w_param_text[count]) { ret = -ENOMEM; goto outfree_link_name; } - snprintf(w_param_text[count], len, - "Anonymous Configuration %d", count); } else { w_param_text[count] = devm_kmemdup(card->dev, config->stream_name, -- 1.7.2.5