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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 0117CC31E41 for ; Mon, 10 Jun 2019 16:06:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D76B220820 for ; Mon, 10 Jun 2019 16:06:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2391443AbfFJQGF (ORCPT ); Mon, 10 Jun 2019 12:06:05 -0400 Received: from shards.monkeyblade.net ([23.128.96.9]:57678 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2391437AbfFJQGD (ORCPT ); Mon, 10 Jun 2019 12:06:03 -0400 Received: from localhost (unknown [IPv6:2601:601:9f80:35cd::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 D0A9C15050C72; Mon, 10 Jun 2019 09:06:02 -0700 (PDT) Date: Mon, 10 Jun 2019 09:06:02 -0700 (PDT) Message-Id: <20190610.090602.2001139990603847705.davem@davemloft.net> To: jian.w.wen@oracle.com Cc: netdev@vger.kernel.org, john.r.fastabend@intel.com Subject: Re: [PATCH net] net_sched: sch_mqprio: handle return value of mqprio_queue_get From: David Miller In-Reply-To: <20190610.090526.1763320783297544794.davem@davemloft.net> References: <20190610063821.27007-1-jian.w.wen@oracle.com> <20190610.090526.1763320783297544794.davem@davemloft.net> X-Mailer: Mew version 6.8 on Emacs 26.1 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 [149.20.54.216]); Mon, 10 Jun 2019 09:06:03 -0700 (PDT) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: David Miller Date: Mon, 10 Jun 2019 09:05:26 -0700 (PDT) > From: Jacob Wen > Date: Mon, 10 Jun 2019 14:38:21 +0800 > >> It may return NULL thus we can't ignore it. > > Please repost with a proper signoff. Also, you are breaking the reverse christmas tree ordering of the local variables with your change. Please do not do that.