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=-3.6 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=no 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 76524C32750 for ; Fri, 2 Aug 2019 17:23:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4F80A2087E for ; Fri, 2 Aug 2019 17:23:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="EzOBANlq" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404729AbfHBRXl (ORCPT ); Fri, 2 Aug 2019 13:23:41 -0400 Received: from mail-pf1-f193.google.com ([209.85.210.193]:37893 "EHLO mail-pf1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2404689AbfHBRXl (ORCPT ); Fri, 2 Aug 2019 13:23:41 -0400 Received: by mail-pf1-f193.google.com with SMTP id y15so36373607pfn.5; Fri, 02 Aug 2019 10:23:41 -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:mime-version :content-transfer-encoding; bh=Zxlybz2DrAreBUG46vUr4Lh24574pktraowLMiv39Vk=; b=EzOBANlqiE9wIDomd0Wm6GYWf81TArMo+XXrHAYM6K0xDbXsyOE6DpM7xLb5e7jdCI dlZVBdW5e9NyrMDwDjaSV95zLmtEl2pNWZP47mGuglFmLnuczyePjXYWeEuuqCYbDrm4 EJYLVYbDBdbXHebepSP0fRL899Qst/7KK/c7UAuAK53/lKHDYPjk8gJrQOyBtz+TzTDp oQ7Zi5q4XmKJjRMMMgVwKxg0i9yAnkB75hVUZ/6XeL3QjgF2IkqJcylOw31zf0G8Ql9B 5CWKA1WcSBJH/iCJ+B4Wfv5ldiZx0KGVAry29mIOnF+u9bNY6RNCKzv2YY/0Zz+bBMYn 5h+A== 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:mime-version :content-transfer-encoding; bh=Zxlybz2DrAreBUG46vUr4Lh24574pktraowLMiv39Vk=; b=CzdlLpB+yxZKQR5NsIKNaUNFvlTzdng2lheMH87RlesK575sbENR2Ssxx1KhssDSZe HDnAty3H0/rhGyNQ7gdbPHXI0xFTKrAkns1OR+7bO6bJCzz4RU1n2XnfnAzRT2empWbi 2htCKgRZZ8pY6EbTJE06V0K4HehBFexzu1RirsZI0rIIgEIGKt3hJBCG1+JTM191YW4W r8rsQXbUdWHyeeGABsveelaWUBaSIaaOgu6F2Vs32o2mb6IF5hXLORVUzMCev0iaAttI 9xTCc9mECZEmtgw1csobFCvaoyf4wuNT5+LU1NSTnd8Zl9f7Hm4CzeSpzXdMJRFWi/yg Q5HQ== X-Gm-Message-State: APjAAAUoU6nxyyTjza2fTjAe6+hvxmkno45xGLtcW6QrlxvlnQKW4M09 6sVqwOpN7YhRRKH+LGO2o1g= X-Google-Smtp-Source: APXvYqw13dES9lzIEcWjOG+GswfpW0q2APkhUIHrK/JITeFz+RqNqv752GKeiLFUuHtThquBlSXDnw== X-Received: by 2002:a62:e710:: with SMTP id s16mr62645808pfh.183.1564766620741; Fri, 02 Aug 2019 10:23:40 -0700 (PDT) Received: from suzukaze.ipads-lab.se.sjtu.edu.cn ([89.31.126.54]) by smtp.gmail.com with ESMTPSA id y23sm77760479pfo.106.2019.08.02.10.23.37 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Fri, 02 Aug 2019 10:23:39 -0700 (PDT) From: Chuhong Yuan Cc: Saeed Mahameed , Leon Romanovsky , "David S . Miller" , Doug Ledford , Jason Gunthorpe , netdev@vger.kernel.org, linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org, Chuhong Yuan Subject: [PATCH v2 0/3] Use refcount_t for refcount Date: Sat, 3 Aug 2019 01:23:34 +0800 Message-Id: <20190802172334.8305-1-hslester96@gmail.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit To: unlisted-recipients:; (no To-header on input) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Reference counters are preferred to use refcount_t instead of atomic_t. This is because the implementation of refcount_t can prevent overflows and detect possible use-after-free. First convert the refcount field to refcount_t in mlx5/driver.h. Then convert the uses to refcount_() APIs. Changelog: v1 -> v2: - Add #include in include/linux/mlx5/driver.h. Chuhong Yuan (3): mlx5: Use refcount_t for refcount net/mlx5: Use refcount_() APIs IB/mlx5: Use refcount_() APIs drivers/infiniband/hw/mlx5/srq_cmd.c | 6 +++--- drivers/net/ethernet/mellanox/mlx5/core/qp.c | 6 +++--- include/linux/mlx5/driver.h | 3 ++- 3 files changed, 8 insertions(+), 7 deletions(-) -- 2.20.1