From patchwork Wed Jun 2 10:09:13 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Li X-Patchwork-Id: 12293649 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,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 01F1EC47092 for ; Wed, 2 Jun 2021 10:09:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DFD88613D0 for ; Wed, 2 Jun 2021 10:09:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229822AbhFBKLF (ORCPT ); Wed, 2 Jun 2021 06:11:05 -0400 Received: from out30-130.freemail.mail.aliyun.com ([115.124.30.130]:53392 "EHLO out30-130.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230021AbhFBKLF (ORCPT ); Wed, 2 Jun 2021 06:11:05 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R541e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04420;MF=yang.lee@linux.alibaba.com;NM=1;PH=DS;RN=8;SR=0;TI=SMTPD_---0Ub2Yybc_1622628559; Received: from j63c13417.sqa.eu95.tbsite.net(mailfrom:yang.lee@linux.alibaba.com fp:SMTPD_---0Ub2Yybc_1622628559) by smtp.aliyun-inc.com(127.0.0.1); Wed, 02 Jun 2021 18:09:21 +0800 From: Yang Li To: saeedm@nvidia.com Cc: leon@kernel.org, davem@davemloft.net, kuba@kernel.org, netdev@vger.kernel.org, linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org, Yang Li Subject: [PATCH] net/mlx5e: Fix an error code in mlx5e_arfs_create_tables() Date: Wed, 2 Jun 2021 18:09:13 +0800 Message-Id: <1622628553-89257-1-git-send-email-yang.lee@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org When the code execute 'if (!priv->fs.arfs->wq)', the value of err is 0. So, we use -ENOMEM to indicate that the function create_singlethread_workqueue() return NULL. Clean up smatch warning: drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c:373 mlx5e_arfs_create_tables() warn: missing error code 'err'. Reported-by: Abaci Robot Fixes: 'commit f6755b80d693 ("net/mlx5e: Dynamic alloc arfs table for netdev when needed")' Signed-off-by: Yang Li --- drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c b/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c index 5cd466e..2949437 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c @@ -369,8 +369,10 @@ int mlx5e_arfs_create_tables(struct mlx5e_priv *priv) spin_lock_init(&priv->fs.arfs->arfs_lock); INIT_LIST_HEAD(&priv->fs.arfs->rules); priv->fs.arfs->wq = create_singlethread_workqueue("mlx5e_arfs"); - if (!priv->fs.arfs->wq) + if (!priv->fs.arfs->wq) { + err = -ENOMEM; goto err; + } for (i = 0; i < ARFS_NUM_TYPES; i++) { err = arfs_create_table(priv, i);