From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@kernel.org>
X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on
	aws-us-west-2-korg-lkml-1.web.codeaurora.org
Received: from vger.kernel.org (vger.kernel.org [23.128.96.18])
	by smtp.lore.kernel.org (Postfix) with ESMTP id 9028AC433EF
	for <linux-kernel@archiver.kernel.org>; Sat, 12 Mar 2022 10:27:34 +0000 (UTC)
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S230402AbiCLK2h (ORCPT <rfc822;linux-kernel@archiver.kernel.org>);
        Sat, 12 Mar 2022 05:28:37 -0500
Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47464 "EHLO
        lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S231738AbiCLK2X (ORCPT
        <rfc822;linux-kernel@vger.kernel.org>);
        Sat, 12 Mar 2022 05:28:23 -0500
Received: from mail2-relais-roc.national.inria.fr (mail2-relais-roc.national.inria.fr [192.134.164.83])
        by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1DCBE1E6951;
        Sat, 12 Mar 2022 02:27:17 -0800 (PST)
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 <Julia.Lawall@inria.fr>
To:     Jaroslav Kysela <perex@perex.cz>
Cc:     kernel-janitors@vger.kernel.org, Takashi Iwai <tiwai@suse.com>,
        alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org
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
Content-Transfer-Encoding: 8bit
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

Use kzalloc instead of kmalloc + memset.

The semantic patch that makes this change is:
(https://coccinelle.gitlabpages.inria.fr/website/)

//<smpl>
@@
expression res, size, flag;
@@
- res = kmalloc(size, flag);
+ res = kzalloc(size, flag);
  ...
- memset(res, 0, size);
//</smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>

---
 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 */