Received: by 2002:a05:6a10:f347:0:0:0:0 with SMTP id d7csp466808pxu; Tue, 5 Jan 2021 16:49:39 -0800 (PST) X-Google-Smtp-Source: ABdhPJydOCjKHpJKq79w7S4PMiNXNzGmVxRJG+oNebiVWUue1pV6T8DO/7Z9TxeE1IKuN/5ATeuU X-Received: by 2002:a17:906:d146:: with SMTP id br6mr1253568ejb.331.1609894178957; Tue, 05 Jan 2021 16:49:38 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1609894178; cv=none; d=google.com; s=arc-20160816; b=idBDzOeZQXWb18CoLGKco9S53BDB0iZCEL6bh0Xc+lut2d1SX/IjkwioxkTazmLWv7 1ML/Bv7s/iTT44v4DwOOdWZWbQ+8fBRREg3IdJn/1hmq5dk0+eyeeMmrkGhg05ot0pix QIoPvRltYwhOBMKFoiMXhQVRpqQqM9EpR+CnM6j24csUA55VqybjSojZ2/izfwgbzwUO rUYr7Q6pTJ0lHfji3HWVPjZJuNYeVRX5hBNaz1TjlcHUeFzrsD665B+TgNZucu3quyod 08HIivISAy08OZCrDDUZHxKO2e+OAgukD5ELJ0KxNfAXTkEmrldl3me0O5UW56gqDDtq siDw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:from:subject:cc:to:message-id:date; bh=tmuFWEcsMNYU2JlWQ06cF9dEe+s8EjAOW8hJS8sgZdk=; b=TLAo8am8jzBl2nEnvDFG0C8+fLxEVlSdegPr0yKi0NYF+S6MlH4b7ToF1HIr63gVxm 92OvYiFKkoGJHBHtttz7fngTRhr25fMugwxAMtXrfcf6Pnkj9lP3MAiTL2B8teXdFPDq sPIR9XArrHr959nQzAmkPByTQxILB9eyYuwS5lxheK/B2YlZk9Gy0Keu3JAmSQoim62e sP2GBOyEo0e4aXXn6IEJckMUvOOGPoIu5hR/a8u55/u2Z4mp6H1+7Y1vjGfwpZlp9X82 +35EZ9eC/lBgnZRVej6BIPCBCp0jmdA5fz345FeBT3EQr3Sc2sG9+mRZhsQg06jbWwMd LUwg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id f15si327005ejr.2.2021.01.05.16.49.15; Tue, 05 Jan 2021 16:49:38 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727483AbhAFADl (ORCPT + 99 others); Tue, 5 Jan 2021 19:03:41 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34154 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726663AbhAFADl (ORCPT ); Tue, 5 Jan 2021 19:03:41 -0500 Received: from mail.monkeyblade.net (shards.monkeyblade.net [IPv6:2620:137:e000::1:9]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0BAA7C061574; Tue, 5 Jan 2021 16:03:01 -0800 (PST) Received: from localhost (unknown [IPv6:2601:601:9f00:477::3d5]) by mail.monkeyblade.net (Postfix) with ESMTPSA id 68C064CE685B6; Tue, 5 Jan 2021 16:03:00 -0800 (PST) Date: Tue, 05 Jan 2021 16:02:59 -0800 (PST) Message-Id: <20210105.160259.377394842851693699.davem@davemloft.net> To: zhengyongjun3@huawei.com Cc: kuba@kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Markus.Elring@web.de Subject: Re: [PATCH v3 net-next] net: kcm: Replace fput with sockfd_put From: David Miller In-Reply-To: <20201230091809.942-1-zhengyongjun3@huawei.com> References: <20201230091809.942-1-zhengyongjun3@huawei.com> X-Mailer: Mew version 6.8 on Emacs 27.1 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.6.2 (mail.monkeyblade.net [0.0.0.0]); Tue, 05 Jan 2021 16:03:00 -0800 (PST) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Zheng Yongjun Date: Wed, 30 Dec 2020 17:18:09 +0800 > The function sockfd_lookup uses fget on the value that is stored in > the file field of the returned structure, so fput should ultimately be > applied to this value. This can be done directly, but it seems better > to use the specific macro sockfd_put, which does the same thing. > > Perform a source code refactoring by using the following semantic patch. > > // > @@ > expression s; > @@ > > s = sockfd_lookup(...) > ... > + sockfd_put(s); > - fput(s->file); > // > > Signed-off-by: Zheng Yongjun Applied.