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=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 3F2D2C47423 for ; Thu, 1 Oct 2020 19:21:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 071A020882 for ; Thu, 1 Oct 2020 19:21:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732791AbgJATVZ (ORCPT ); Thu, 1 Oct 2020 15:21:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46518 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729990AbgJATVZ (ORCPT ); Thu, 1 Oct 2020 15:21:25 -0400 Received: from shards.monkeyblade.net (shards.monkeyblade.net [IPv6:2620:137:e000::1:9]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 87FEEC0613D0 for ; Thu, 1 Oct 2020 12:21:25 -0700 (PDT) Received: from localhost (unknown [IPv6:2601:601:9f00:477::3d5]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id F40CE14418109; Thu, 1 Oct 2020 12:04:35 -0700 (PDT) Date: Thu, 01 Oct 2020 12:21:20 -0700 (PDT) Message-Id: <20201001.122120.1497340751468134272.davem@davemloft.net> To: saeed@kernel.org Cc: kuba@kernel.org, netdev@vger.kernel.org, shayd@mellanox.com, saeedm@mellanox.com, saeedm@nvidia.com Subject: Re: [net 01/15] net/mlx5: Don't allow health work when device is uninitialized From: David Miller In-Reply-To: <20201001020516.41217-2-saeed@kernel.org> References: <20201001020516.41217-1-saeed@kernel.org> <20201001020516.41217-2-saeed@kernel.org> 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-4.5.12 (shards.monkeyblade.net [2620:137:e000::1:9]); Thu, 01 Oct 2020 12:04:36 -0700 (PDT) Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: saeed@kernel.org Date: Wed, 30 Sep 2020 19:05:02 -0700 > @@ -201,6 +206,9 @@ void mlx5_enter_error_state(struct mlx5_core_dev *dev, bool force) > err_detected = true; > } > mutex_lock(&dev->intf_state_mutex); > + if (!mlx5_is_device_initialized(dev)) > + return; > + You can return with this mutex held, and that's ok? I think you have to "goto unlock;" or similar.