From patchwork Sat Mar 12 10:27:01 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julia Lawall X-Patchwork-Id: 12778798 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CDD89C433F5 for ; Sat, 12 Mar 2022 10:28:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230183AbiCLK30 (ORCPT ); Sat, 12 Mar 2022 05:29:26 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51110 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230307AbiCLK3Z (ORCPT ); Sat, 12 Mar 2022 05:29:25 -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 0A8045E155 for ; Sat, 12 Mar 2022 02:28:19 -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=E22sNuoFdaUOS4+WwLkXyv8STbZDc50AAO8Dj225850=; b=ihL6XsakQk6+pfogM7zSLsmG19WLigBxJRkJgmSwuffhYtEaSzep0klY QFHKPcST9D03gZdcVWLX4I24nZEdikdu/p7Qwm1jDC9aVN85Rpqfphn9T A0F3ENhgKUCkb74WcGH1PiiJ8q7akjDZeB8G7aZa7r6B1KBQi0yLCLpQ2 M=; 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="25781348" 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: Tariq Toukan Cc: kernel-janitors@vger.kernel.org, "David S. Miller" , Jakub Kicinski , netdev@vger.kernel.org, linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/6] net/mlx4_en: use kzalloc Date: Sat, 12 Mar 2022 11:27:01 +0100 Message-Id: <20220312102705.71413-3-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 Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org 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 Reviewed-by: Tariq Toukan --- drivers/net/ethernet/mellanox/mlx4/en_rx.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c index 8cfc649f226b..8f762fc170b3 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c @@ -1067,7 +1067,7 @@ static int mlx4_en_config_rss_qp(struct mlx4_en_priv *priv, int qpn, struct mlx4_qp_context *context; int err = 0; - context = kmalloc(sizeof(*context), GFP_KERNEL); + context = kzalloc(sizeof(*context), GFP_KERNEL); if (!context) return -ENOMEM; @@ -1078,7 +1078,6 @@ static int mlx4_en_config_rss_qp(struct mlx4_en_priv *priv, int qpn, } qp->event = mlx4_en_sqp_event; - memset(context, 0, sizeof(*context)); mlx4_en_fill_qp_context(priv, ring->actual_size, ring->stride, 0, 0, qpn, ring->cqn, -1, context); context->db_rec_addr = cpu_to_be64(ring->wqres.db.dma);