From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 205FFC433E0 for ; Sun, 28 Jun 2020 10:15:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F0E7A20708 for ; Sun, 28 Jun 2020 10:15:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="NkVBj5s7" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726169AbgF1KPp (ORCPT ); Sun, 28 Jun 2020 06:15:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49330 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725921AbgF1KPo (ORCPT ); Sun, 28 Jun 2020 06:15:44 -0400 Received: from mail-pj1-x1042.google.com (mail-pj1-x1042.google.com [IPv6:2607:f8b0:4864:20::1042]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 16A36C061794; Sun, 28 Jun 2020 03:15:44 -0700 (PDT) Received: by mail-pj1-x1042.google.com with SMTP id ci15so627523pjb.5; Sun, 28 Jun 2020 03:15:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=nVNoGcrbtjaZ4GttzC1leLHGKpRHUoIf6gW/P9mP5vA=; b=NkVBj5s7iQjaU/Yi/VIF1GCpAlRoS9YzQUup5V0keAn4HP6JSzvKtWMoeuw7/NjxCR kVa0P5nRWRBWFdhMKhnzLRPZ2guhokoclT7hwPFCbxdXoGvgJDvfLAl6qw6eFlOfgWV2 pw0iap4dSOew2fguilkjXjOdHRzNzTD46coY7v8QsgcLOe/OJUvcIclUoAj1fxuShHY6 m9Wd5Qs+v81CpOyZDlaLVz6I/4G4qWZSUaIBJwA9NNjIoGUwplKr/h/MhukL1pufwoof BD7KZnLDH3qJMC8xw3FGHf7Jt0cZvT1S2a/St8XOZgabS3oPlXytB+E3hQNu1NWzgxOr XpVw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=nVNoGcrbtjaZ4GttzC1leLHGKpRHUoIf6gW/P9mP5vA=; b=lZSQvDOpS65aO3YeOkZURVdJb2/p5CqQtuceDOKRk86ys7X4MW3KJX4jHh5lgg0glT d1qKoRQVWA16pVu7C4SpHEpeG3RFU6ITfrTDvpbj07MDgYV/UoRDGSaR+dX5MlfwuVpL qvs+99myVmvcKiVP5UVf/HBtdsBK+XCkC+MXx62dJF5GTmV9V+FaR5bSJwBchH/P7ivV wSGy5/CcjEni/LkVMwcwdss4pAixoH2eIE3Qwd7ltF6GAXEiLVGkFftSaMeKC87BySw1 IWDoJqGwgPZDSfGOatTTeWcEeRFm7hIrc9DU4xvG+unGkkyUt0O1syqUHQgtFA6APKXw oLrw== X-Gm-Message-State: AOAM532/0H8Jts57OAhDyTS+Iw6i02BZNx8sEjuAhbnRukqvgK/txctu tr9ekxk5s0mhDCObw5Eg/8I= X-Google-Smtp-Source: ABdhPJwmCm+KA8TPGTItXEQGsWRFcivwHuxETSBomvcRw+LRBnNDFtU6wK4toHme/k1LWlzA0pDGAg== X-Received: by 2002:a17:90b:4306:: with SMTP id ih6mr11239323pjb.62.1593339343667; Sun, 28 Jun 2020 03:15:43 -0700 (PDT) Received: from localhost ([43.224.245.180]) by smtp.gmail.com with ESMTPSA id s36sm26824208pgl.35.2020.06.28.03.15.42 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sun, 28 Jun 2020 03:15:43 -0700 (PDT) From: Geliang Tang To: Derek Chickles , Satanand Burla , Felix Manlunas , "David S. Miller" , Jakub Kicinski Cc: Geliang Tang , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH net-next] liquidio: use list_empty_careful in lio_list_delete_head Date: Sun, 28 Jun 2020 18:14:13 +0800 Message-Id: X-Mailer: git-send-email 2.17.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use list_empty_careful() instead of open-coding. Signed-off-by: Geliang Tang --- drivers/net/ethernet/cavium/liquidio/octeon_network.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_network.h b/drivers/net/ethernet/cavium/liquidio/octeon_network.h index 50201fc86dcf..ebe56bd8849b 100644 --- a/drivers/net/ethernet/cavium/liquidio/octeon_network.h +++ b/drivers/net/ethernet/cavium/liquidio/octeon_network.h @@ -612,7 +612,7 @@ static inline struct list_head *lio_list_delete_head(struct list_head *root) { struct list_head *node; - if (root->prev == root && root->next == root) + if (list_empty_careful(root)) node = NULL; else node = root->next; -- 2.17.1