From patchwork Sat Oct 29 09:00:07 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhang Xiaoxu X-Patchwork-Id: 13024533 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 817EAC433FE for ; Sat, 29 Oct 2022 07:55:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229544AbiJ2Hzq (ORCPT ); Sat, 29 Oct 2022 03:55:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33404 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229571AbiJ2Hzn (ORCPT ); Sat, 29 Oct 2022 03:55:43 -0400 Received: from szxga08-in.huawei.com (szxga08-in.huawei.com [45.249.212.255]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E8DB46DAEC for ; Sat, 29 Oct 2022 00:55:38 -0700 (PDT) Received: from dggpeml500023.china.huawei.com (unknown [172.30.72.57]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4Mzs681ZDdz15M23; Sat, 29 Oct 2022 15:50:40 +0800 (CST) Received: from localhost.localdomain (10.175.101.6) by dggpeml500023.china.huawei.com (7.185.36.114) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Sat, 29 Oct 2022 15:55:36 +0800 From: Zhang Xiaoxu To: , , , , , , , Subject: [PATCH v2 3/7] cifs: Remove the redundant null pointer check in SMB2_sess_setup() Date: Sat, 29 Oct 2022 17:00:07 +0800 Message-ID: <20221029090011.79367-4-zhangxiaoxu5@huawei.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20221029090011.79367-1-zhangxiaoxu5@huawei.com> References: <20221029090011.79367-1-zhangxiaoxu5@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.101.6] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To dggpeml500023.china.huawei.com (7.185.36.114) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-cifs@vger.kernel.org The cifs_setup_session() is the only caller of .sess_setup(), and it's already ensure the server and sess not null, so remove the redundant nullptr check. Signed-off-by: Zhang Xiaoxu --- fs/cifs/sess.c | 5 ----- fs/cifs/smb2pdu.c | 5 ----- 2 files changed, 10 deletions(-) diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c index e08c5f547afb..40e4dd42cc2b 100644 --- a/fs/cifs/sess.c +++ b/fs/cifs/sess.c @@ -1822,11 +1822,6 @@ int CIFS_SessSetup(const unsigned int xid, struct cifs_ses *ses, int rc = 0; struct sess_data *sess_data; - if (ses == NULL) { - WARN(1, "%s: ses == NULL!", __func__); - return -EINVAL; - } - sess_data = kzalloc(sizeof(struct sess_data), GFP_KERNEL); if (!sess_data) return -ENOMEM; diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index 3a0c34e43a9d..5cda7f029b60 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -1676,11 +1676,6 @@ SMB2_sess_setup(const unsigned int xid, struct cifs_ses *ses, cifs_dbg(FYI, "Session Setup\n"); - if (!server) { - WARN(1, "%s: server is NULL!\n", __func__); - return -EIO; - } - sess_data = kzalloc(sizeof(struct SMB2_sess_data), GFP_KERNEL); if (!sess_data) return -ENOMEM;