Received: by 2002:a6b:500f:0:0:0:0:0 with SMTP id e15csp117539iob; Tue, 17 May 2022 20:48:53 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzJmMpx4KuINxtecokfs4eAEyGci/13WqF0Z2N5+RuV5Q00mg6ByYARHwjz4eePEPG3k3+y X-Received: by 2002:a05:6a00:b85:b0:510:4275:2c71 with SMTP id g5-20020a056a000b8500b0051042752c71mr26008821pfj.31.1652845733056; Tue, 17 May 2022 20:48:53 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1652845733; cv=none; d=google.com; s=arc-20160816; b=LMemYG6qaFRruCihHXNp71XbPbnIZ8/Wfgu3EWYG/PmJArk4jTmmJzmkMeRYTVsz83 iWBhgXNxjYZrowoaAlfwu+S/n+3IHAu1qPqDCv8PHmKRwlXofzdTQ1xiHTDFuoSE0lxl rwNlK6JoBOVqEcfVfEGAhjpmN7HzuwTDbJvnTKOeueD4MTNd+ZjpN04rHpn+IDLWbu/L B/IuZ+eOZxtRzKmFEe0uLTL5yCwWvCZEzi2ckZAtCOYjmuB9oG77RuV/pTu3dwR86MIy QZcX3zyyGsNnV0UrpSB429Xvl66sfnRB4lH5nPp9O/dcFCtui5B3E8VYAScf88K93n7T zIeQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:message-id:date:subject:cc:to:from; bh=R38GALPjBAHTQoYpW8s0bIzWBJNbhU03L3Dt4CdVez0=; b=gJQvCgSZs/eBsTAj0tc/SQLUs/M0J9ucyiobAoPtp3nmVC9qtcPPnhnGaY78m5/lEl C7EYlT8GYUUuZ9rO6qvd0cQF+ayiMWyAndpycNzRNzA7T1njsR0pP80Meh5eKYyfHXvi ZoZe3xLjDogvwA+Nx1w/iySDVU+PzuQ1BiCQ8KE+OgpmEEokrue9qOkpDPal04pPaMGN caZQeDRqACZPKuOd1lGutOwit0VgECyN0fElVEe1kI2+MWt1t3dWREwk80c4pqKf/G1B qZP9H6V459tFga/btmxr3S/sGYKDf6I9cK8vkwTSbbECtNxLLKM8upK60H91AAiPA2aW 8wgA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net. [2620:137:e000::1:18]) by mx.google.com with ESMTPS id j17-20020a056a00131100b004faac3a73f6si1697796pfu.79.2022.05.17.20.48.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 May 2022 20:48:53 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) client-ip=2620:137:e000::1:18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 49A0264D3; Tue, 17 May 2022 20:31:32 -0700 (PDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234461AbiEQBdg (ORCPT + 99 others); Mon, 16 May 2022 21:33:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44836 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230457AbiEQBdd (ORCPT ); Mon, 16 May 2022 21:33:33 -0400 Received: from mail.meizu.com (edge05.meizu.com [157.122.146.251]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6392B403EB; Mon, 16 May 2022 18:33:31 -0700 (PDT) Received: from IT-EXMB-1-125.meizu.com (172.16.1.125) by mz-mail12.meizu.com (172.16.1.108) with Microsoft SMTP Server (TLS) id 14.3.487.0; Tue, 17 May 2022 09:33:29 +0800 Received: from meizu.meizu.com (172.16.137.70) by IT-EXMB-1-125.meizu.com (172.16.1.125) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.14; Tue, 17 May 2022 09:33:28 +0800 From: Haowen Bai To: Dennis Dalessandro , "Jason Gunthorpe" , Leon Romanovsky CC: Haowen Bai , , Subject: [PATCH] RDMA: remove null check after call container_of() Date: Tue, 17 May 2022 09:33:28 +0800 Message-ID: <1652751208-23211-1-git-send-email-baihaowen@meizu.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [172.16.137.70] X-ClientProxiedBy: IT-EXMB-1-126.meizu.com (172.16.1.126) To IT-EXMB-1-125.meizu.com (172.16.1.125) X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RDNS_NONE, SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org container_of() will never return NULL, so remove useless code. Signed-off-by: Haowen Bai --- drivers/infiniband/sw/rdmavt/vt.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/infiniband/sw/rdmavt/vt.c b/drivers/infiniband/sw/rdmavt/vt.c index 59481ae39505..b2d83b4958fc 100644 --- a/drivers/infiniband/sw/rdmavt/vt.c +++ b/drivers/infiniband/sw/rdmavt/vt.c @@ -50,8 +50,6 @@ struct rvt_dev_info *rvt_alloc_device(size_t size, int nports) struct rvt_dev_info *rdi; rdi = container_of(_ib_alloc_device(size), struct rvt_dev_info, ibdev); - if (!rdi) - return rdi; rdi->ports = kcalloc(nports, sizeof(*rdi->ports), GFP_KERNEL); if (!rdi->ports) -- 2.7.4