From patchwork Mon May 22 08:50:19 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prathu Baronia X-Patchwork-Id: 13249984 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 45EC94408 for ; Mon, 22 May 2023 08:50:34 +0000 (UTC) Received: from mail-pf1-x42d.google.com (mail-pf1-x42d.google.com [IPv6:2607:f8b0:4864:20::42d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CC75ACE; Mon, 22 May 2023 01:50:32 -0700 (PDT) Received: by mail-pf1-x42d.google.com with SMTP id d2e1a72fcca58-64d18d772bdso4961341b3a.3; Mon, 22 May 2023 01:50:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1684745432; x=1687337432; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=NJhELKwtMjd03gNF7KmpEmVCJma8B6XT7EEG5otj68M=; b=ApcHDbXTiygQvtexd+vH27HcMnwm6bAyv7n6XhOBgE++bWis9vPRqHRS0W6qj5V7DR mL5tEC5V7b7/FTroGNrJMazKDOznlB5qH/axuJJeAgq8MC0+ykmqNx5K8iUbqTN3wuRq PPSaBggEStKjiLJP/tUl1j7ogRWr0hYF3m9KDRsVamU7UsFj8kaAeBVE09hT6s7x43is HqyQ5pfLphm3MK2dL6jdmiGUxET985tsdSBN/vCXQmh8NGz7pIXzdj10SBZ5Y0R4J5gB X84ThREsJJGV8FfhQQjm4sVUphClHcb+Edgn7WKcbhuDILxuGPF8UtoSSov/vwb79hvQ haDg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1684745432; x=1687337432; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=NJhELKwtMjd03gNF7KmpEmVCJma8B6XT7EEG5otj68M=; b=U7ZUpx3/MTHXGDCOli6HWhaAQ3XD+hm00wI935krr5Qyq7xHPT44EPCq8sRSWTq2rO Zj2DgZT/B9ntvD17QIXCZ/VvQVakpXa5U5nkyJaHZ5xF/QVy4cjcwemxRkLsBKcJbjXq fVvAzm1Rtsi6CrfCgVmguVkCGDrAEGCiVafvLKb/73IF6ZdbyMw+zP/xLyzWEIqepL+G d6xoJ0cxc85JUfbo13doOJhkkE+5uXjquInBFDk2EJ2yRVjoJAT0e3dHeGiFozb2iNIx /DtDOfgI2eJugdu2p7ZCjeRKvO0L/CEfm9p8TzpbV7xL15+6/vWYkZnpIIiNYEQdNn22 kPvg== X-Gm-Message-State: AC+VfDygYMabSxt09wJZBAvdvg7T7ZJh9JVlQ+67ypCk2jH+hJip3XGv //N0UARjhbFCnBOWQ3AM+rw= X-Google-Smtp-Source: ACHHUZ524pmmQh/7hgo03RLWHzP+ui6VLuXisoysGbVKTbXezkSO3sbxAKJtkMiccFEkQI5HkBBPnA== X-Received: by 2002:a17:902:e5ce:b0:1ac:b449:352d with SMTP id u14-20020a170902e5ce00b001acb449352dmr12242806plf.61.1684745432206; Mon, 22 May 2023 01:50:32 -0700 (PDT) Received: from redkillpc.. ([49.207.202.99]) by smtp.gmail.com with ESMTPSA id d20-20020a170902c19400b001ab01598f40sm4319367pld.173.2023.05.22.01.50.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 22 May 2023 01:50:31 -0700 (PDT) From: Prathu Baronia To: "Michael S. Tsirkin" , Jason Wang , kvm@vger.kernel.org, virtualization@lists.linux-foundation.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Prathu Baronia Subject: [PATCH] vhost: use kzalloc() instead of kmalloc() followed by memset() Date: Mon, 22 May 2023 14:20:19 +0530 Message-Id: <20230522085019.42914-1-prathubaronia2011@gmail.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Use kzalloc() to allocate new zeroed out msg node instead of memsetting a node allocated with kmalloc(). Signed-off-by: Prathu Baronia Reviewed-by: Stefano Garzarella --- drivers/vhost/vhost.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) base-commit: 4d6d4c7f541d7027beed4fb86eb2c451bd8d6fff diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index a92af08e7864..579ecb4ee4d2 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -2575,12 +2575,11 @@ EXPORT_SYMBOL_GPL(vhost_disable_notify); /* Create a new message. */ struct vhost_msg_node *vhost_new_msg(struct vhost_virtqueue *vq, int type) { - struct vhost_msg_node *node = kmalloc(sizeof *node, GFP_KERNEL); + /* Make sure all padding within the structure is initialized. */ + struct vhost_msg_node *node = kzalloc(sizeof(*node), GFP_KERNEL); if (!node) return NULL; - /* Make sure all padding within the structure is initialized. */ - memset(&node->msg, 0, sizeof node->msg); node->vq = vq; node->msg.type = type; return node;