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=-6.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 57E27C4320A for ; Mon, 2 Aug 2021 17:21:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3775361102 for ; Mon, 2 Aug 2021 17:21:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230224AbhHBRVM (ORCPT ); Mon, 2 Aug 2021 13:21:12 -0400 Received: from mail.kernel.org ([198.145.29.99]:34980 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229593AbhHBRVL (ORCPT ); Mon, 2 Aug 2021 13:21:11 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 68AB260F58; Mon, 2 Aug 2021 17:21:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1627924861; bh=ggRngNHSSAss9GqeQqhYBpnDVCqYEfbvF4AwpCkBQmg=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=Sh6U3LdRshnPTaG4zGADE9rz5HK2nMu92L5xYhu119iuegIriFZ6PO5bFhy3BlzRS NLtV5tRMZ48kSvKbVlpicLk65JGOvP1mbwoLQ7JMkVq9WrPEj6sU0EwQt9CDENRMlN bddwzyDt/cY3G6sSYcgVPINb6vuWXPISxVntJoIahWDTbnSv4xRE+tP2j99tE95lUe qYmWjbdoMbz+W339cuxuzrMxi+ZUbjXd07NwLHI2aoEBOvbBJG0xtJr5Qatf8t7cEL RlN1KuHU+iMFKSbApRZTBur1iCoX8YNfdd8LXbj3+XWjbNuN1ZrTm+EfSKT4yGGUvU 1lKFv48yLcSMQ== Date: Mon, 2 Aug 2021 10:21:00 -0700 From: Jakub Kicinski To: Nicholas Richardson Cc: davem@davemloft.net, nrrichar@ncsu.edu, arunkaly@google.com, "Gustavo A. R. Silva" , Leesoo Ahn , Di Zhu , Yejune Deng , Ye Bin , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] pktgen: Fix invalid clone_skb override Message-ID: <20210802102100.5292367a@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> In-Reply-To: <20210802171210.2191096-1-richardsonnick@google.com> References: <20210802071126.3b311638@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> <20210802171210.2191096-1-richardsonnick@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 2 Aug 2021 17:12:07 +0000 Nicholas Richardson wrote: > From: Nick Richardson > > When the netif_receive xmit_mode is set, a line is supposed to set > clone_skb to a default 0 value. This line is not reached due to a line > that checks if clone_skb is more than zero and returns -ENOTSUPP. > > Removes line that defaults clone_skb to zero. s/Removes/Remove/ s/defaults/sets/ > -ENOTSUPP is returned > if clone_skb is more than zero. That's already mentioned in the previous paragraph. > If clone_skb is equal to zero then the > xmit_mode is set to netif_receive as usual and no error is returned. Please add the explanation why clone_skb can't be negative to the commit message.