From patchwork Sat Mar 12 10:27:02 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julia Lawall X-Patchwork-Id: 12778794 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 5AED5C433EF for ; Sat, 12 Mar 2022 10:28:51 +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 99A0917B4; Sat, 12 Mar 2022 11:27:59 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 99A0917B4 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1647080929; bh=EMUzluA3XixU0aEfPC4etxSq4T37+srFwqfRwmTkrFc=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=otnnkwIpuwp5vuDVcEe5ABuWAOj+O6FRJ6BbXmg5i9RY5MxaxU0f+hGYx6iKd1Y9w G3LiI85oD2YrudO82YzlQVERWGia3g4nZNTqAO0QHbWdg7MkQTGfS9dX01N4xPiOJz 1+6M6yJuiefz651OHpoPURywPP7KlQBnqMTRagkA= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id EB501F8027D; Sat, 12 Mar 2022 11:27:21 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id BC731F801D5; Sat, 12 Mar 2022 11:27:19 +0100 (CET) Received: from mail2-relais-roc.national.inria.fr (mail2-relais-roc.national.inria.fr [192.134.164.83]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 8F16BF80171 for ; Sat, 12 Mar 2022 11:27:13 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 8F16BF80171 Authentication-Results: alsa1.perex.cz; dkim=pass (1024-bit key) header.d=inria.fr header.i=@inria.fr header.b="u0u3uhQk" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=inria.fr; s=dc; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=C9vAruW4R//FRSIjiNqYU6Ft3MliOnywc0sb41/n6xw=; b=u0u3uhQkEIH037bzpmf6fonLaHE3/dSzkg9XXqDTu8x2VuKpLdMHbZqB tLzEawUQRv83wyBHcwa56iojCwJmeRdfcyETYat3e47YCG2zQ38fZVfqh XwGnl4PVBwaqecMy6IEwUSiduSNVbB6WOYP8tIqbe53jquEVQeJuR82cc s=; Authentication-Results: mail2-relais-roc.national.inria.fr; dkim=none (message not signed) header.i=none; spf=SoftFail smtp.mailfrom=Julia.Lawall@inria.fr; dmarc=fail (p=none dis=none) d=inria.fr X-IronPort-AV: E=Sophos;i="5.90,175,1643670000"; d="scan'208";a="25781349" Received: from i80.paris.inria.fr (HELO i80.paris.inria.fr.) ([128.93.90.48]) by mail2-relais-roc.national.inria.fr with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Mar 2022 11:27:11 +0100 From: Julia Lawall To: Jaroslav Kysela Subject: [PATCH 3/6] ALSA: seq: oss: use kzalloc Date: Sat, 12 Mar 2022 11:27:02 +0100 Message-Id: <20220312102705.71413-4-Julia.Lawall@inria.fr> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20220312102705.71413-1-Julia.Lawall@inria.fr> References: <20220312102705.71413-1-Julia.Lawall@inria.fr> MIME-Version: 1.0 Cc: alsa-devel@alsa-project.org, kernel-janitors@vger.kernel.org, Takashi Iwai , linux-kernel@vger.kernel.org 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 kzalloc instead of kmalloc + memset. The semantic patch that makes this change is: (https://coccinelle.gitlabpages.inria.fr/website/) // @@ expression res, size, flag; @@ - res = kmalloc(size, flag); + res = kzalloc(size, flag); ... - memset(res, 0, size); // Signed-off-by: Julia Lawall --- sound/core/seq/oss/seq_oss_init.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/sound/core/seq/oss/seq_oss_init.c b/sound/core/seq/oss/seq_oss_init.c index 0ee4a5081fd6..04a3376a6e66 100644 --- a/sound/core/seq/oss/seq_oss_init.c +++ b/sound/core/seq/oss/seq_oss_init.c @@ -66,7 +66,7 @@ snd_seq_oss_create_client(void) struct snd_seq_port_info *port; struct snd_seq_port_callback port_callback; - port = kmalloc(sizeof(*port), GFP_KERNEL); + port = kzalloc(sizeof(*port), GFP_KERNEL); if (!port) { rc = -ENOMEM; goto __error; @@ -81,7 +81,6 @@ snd_seq_oss_create_client(void) system_client = rc; /* create annoucement receiver port */ - memset(port, 0, sizeof(*port)); strcpy(port->name, "Receiver"); port->addr.client = system_client; port->capability = SNDRV_SEQ_PORT_CAP_WRITE; /* receive only */