From patchwork Tue Sep 10 02:06:17 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kuninori Morimoto X-Patchwork-Id: 11138671 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id AAFE176 for ; Tue, 10 Sep 2019 02:14:39 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3BE25218DE for ; Tue, 10 Sep 2019 02:14:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="ULfcerws" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3BE25218DE Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=renesas.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 76AC7165E; Tue, 10 Sep 2019 04:13:47 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 76AC7165E DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1568081677; bh=Qbr3pz8DL5LyuB6+zFQt7yFRxn+60B9FABk7ca00yuE=; h=Date:From:To:In-Reply-To:References:Cc:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=ULfcerwswgkxbKOAX9FZ+x3iqr3y90pKetqj1hb0nVFA8whExlE2AdBTgV7ZEnfvq +MdFR3P/wd5DgE1IhzFntsA+++u6y0QQnHY8pmYQvZIT0sNi+M+MuEtb5XFWq1vFb5 LdiCKvKSc4bZrk43Sok2/yV0+qQceeiqZ5v/2RBI= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 63CFEF806E8; Tue, 10 Sep 2019 04:06:22 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa1.perex.cz (Postfix, from userid 50401) id 6F122F80709; Tue, 10 Sep 2019 04:06:21 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on alsa1.perex.cz X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=disabled version=3.4.0 Received: from relmlie6.idc.renesas.com (relmlor2.renesas.com [210.160.252.172]) by alsa1.perex.cz (Postfix) with ESMTP id AD1C1F806E8 for ; Tue, 10 Sep 2019 04:06:17 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz AD1C1F806E8 Date: 10 Sep 2019 11:06:17 +0900 X-IronPort-AV: E=Sophos;i="5.64,487,1559487600"; d="scan'208";a="25958430" Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie6.idc.renesas.com with ESMTP; 10 Sep 2019 11:06:17 +0900 Received: from morimoto-PC.renesas.com (unknown [10.166.18.140]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id 49A6E4004BD6; Tue, 10 Sep 2019 11:06:17 +0900 (JST) Message-ID: <87lfuwlxba.wl-kuninori.morimoto.gx@renesas.com> From: Kuninori Morimoto User-Agent: Wanderlust/2.15.9 Emacs/24.5 Mule/6.0 To: Mark Brown In-Reply-To: <8736h4nby1.wl-kuninori.morimoto.gx@renesas.com> References: <8736h4nby1.wl-kuninori.morimoto.gx@renesas.com> MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Cc: Linux-ALSA Subject: [alsa-devel] [PATCH 12/13] ASoC: soc-core: use devm_xxx for component related resource X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" From: Kuninori Morimoto dai / component related resources are created when component is registered, and it will be freed when component was unregistered. These resources are not re-used after that. This means, we can use devm_xxx for dai / component, without thinking about kfree(). This patch uses devm_xxx for these. Signed-off-by: Kuninori Morimoto --- sound/soc/soc-core.c | 13 ++++--------- 1 file changed, 4 insertions(+), 9 deletions(-) diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index ce7793a..bde885f 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -2495,7 +2495,7 @@ static char *fmt_single_name(struct device *dev, int *id) *id = 0; } - return kstrdup(name, GFP_KERNEL); + return devm_kstrdup(dev, name, GFP_KERNEL); } /* @@ -2512,7 +2512,7 @@ static inline char *fmt_multiple_name(struct device *dev, return NULL; } - return kstrdup(dai_drv->name, GFP_KERNEL); + return devm_kstrdup(dev, dai_drv->name, GFP_KERNEL); } /** @@ -2528,8 +2528,6 @@ static void snd_soc_unregister_dais(struct snd_soc_component *component) dev_dbg(component->dev, "ASoC: Unregistered DAI '%s'\n", dai->name); list_del(&dai->list); - kfree(dai->name); - kfree(dai); } } @@ -2543,7 +2541,7 @@ static struct snd_soc_dai *soc_add_dai(struct snd_soc_component *component, dev_dbg(dev, "ASoC: dynamically register DAI %s\n", dev_name(dev)); - dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL); + dai = devm_kzalloc(dev, sizeof(*dai), GFP_KERNEL); if (dai == NULL) return NULL; @@ -2565,10 +2563,8 @@ static struct snd_soc_dai *soc_add_dai(struct snd_soc_component *component, else dai->id = component->num_dai; } - if (dai->name == NULL) { - kfree(dai); + if (!dai->name) return NULL; - } dai->component = component; dai->dev = dev; @@ -2754,7 +2750,6 @@ static void snd_soc_component_add(struct snd_soc_component *component) static void snd_soc_component_cleanup(struct snd_soc_component *component) { snd_soc_unregister_dais(component); - kfree(component->name); } static void snd_soc_component_del_unlocked(struct snd_soc_component *component)