From patchwork Thu Aug 25 12:35:25 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Yingliang X-Patchwork-Id: 600328 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 9CE1AC04AA5 for ; Thu, 25 Aug 2022 12:28:38 +0000 (UTC) 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 EBB2F847; Thu, 25 Aug 2022 14:27:46 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz EBB2F847 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1661430517; bh=pB8cmuV+Frw8S6iUyO1Kh2pxm4Mg1M2XOgAxrIyxCUs=; h=From:To:Subject:Date:Cc:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From; b=ZHtXf4FstSl1dkDlAzZWNGxk4gxPRzVHPV6MtIZnk3BEoyQwXsP5N4jnXOuHG4pvS CQE2UwVOBtRAOOzLP2ExbydJYMKawUFmqmoUhJ64tU29YShyhoijXmgGDIXuil+JlO Dviv3ITlI9IWEIgCZ+/s+C/TRoYfCGwWVZT+0Klk= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 7D088F80245; Thu, 25 Aug 2022 14:27:46 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id C70EBF8025A; Thu, 25 Aug 2022 14:27:44 +0200 (CEST) Received: from szxga08-in.huawei.com (szxga08-in.huawei.com [45.249.212.255]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 062C5F800BD for ; Thu, 25 Aug 2022 14:27:37 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 062C5F800BD Received: from dggpemm500024.china.huawei.com (unknown [172.30.72.56]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4MD2FX30tTz1N7Rv; Thu, 25 Aug 2022 20:24:00 +0800 (CST) Received: from dggpemm500007.china.huawei.com (7.185.36.183) by dggpemm500024.china.huawei.com (7.185.36.203) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Thu, 25 Aug 2022 20:27:31 +0800 Received: from huawei.com (10.175.103.91) by dggpemm500007.china.huawei.com (7.185.36.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Thu, 25 Aug 2022 20:27:31 +0800 From: Yang Yingliang To: , Subject: [PATCH -next] ASoC: sigmadsp: switch to use kmemdup_nul() helper Date: Thu, 25 Aug 2022 20:35:25 +0800 Message-ID: <20220825123525.1845695-1-yangyingliang@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.175.103.91] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To dggpemm500007.china.huawei.com (7.185.36.183) X-CFilter-Loop: Reflected Cc: broonie@kernel.org, lars@metafoo.de, lgirdwood@gmail.com, nuno.sa@analog.com 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" Use kmemdup_nul() helper instead of open-coding to simplify the code. Signed-off-by: Yang Yingliang --- sound/soc/codecs/sigmadsp.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/sound/soc/codecs/sigmadsp.c b/sound/soc/codecs/sigmadsp.c index b992216aee55..3047a6fbb380 100644 --- a/sound/soc/codecs/sigmadsp.c +++ b/sound/soc/codecs/sigmadsp.c @@ -227,13 +227,11 @@ static int sigma_fw_load_control(struct sigmadsp *sigmadsp, if (!ctrl) return -ENOMEM; - name = kzalloc(name_len + 1, GFP_KERNEL); + name = kmemdup_nul(ctrl_chunk->name, name_len, GFP_KERNEL); if (!name) { ret = -ENOMEM; goto err_free_ctrl; } - memcpy(name, ctrl_chunk->name, name_len); - name[name_len] = '\0'; ctrl->name = name; /*