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=-3.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 9373AC433E0 for ; Wed, 27 May 2020 18:25:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7BAF520890 for ; Wed, 27 May 2020 18:25:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2391058AbgE0SZS (ORCPT ); Wed, 27 May 2020 14:25:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53168 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387581AbgE0SZR (ORCPT ); Wed, 27 May 2020 14:25:17 -0400 Received: from shards.monkeyblade.net (shards.monkeyblade.net [IPv6:2620:137:e000::1:9]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AD579C08C5C1; Wed, 27 May 2020 11:25:17 -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 8DC45128B2F3C; Wed, 27 May 2020 11:25:16 -0700 (PDT) Date: Wed, 27 May 2020 11:25:15 -0700 (PDT) Message-Id: <20200527.112515.1714930146142742523.davem@davemloft.net> To: brgl@bgdev.pl Cc: john@phrozen.org, sean.wang@mediatek.com, Mark-MC.Lee@mediatek.com, kuba@kernel.org, matthias.bgg@gmail.com, netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, fparent@baylibre.com, stephane.leprovost@mediatek.com, pedro.tsai@mediatek.com, andrew.perepech@mediatek.com, bgolaszewski@baylibre.com, natechancellor@gmail.com Subject: Re: [PATCH] net: ethernet: mtk-star-emac: fix error path in RX handling From: David Miller In-Reply-To: <20200527092404.3567-1-brgl@bgdev.pl> References: <20200527092404.3567-1-brgl@bgdev.pl> X-Mailer: Mew version 6.8 on Emacs 26.3 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]); Wed, 27 May 2020 11:25:17 -0700 (PDT) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Bartosz Golaszewski Date: Wed, 27 May 2020 11:24:04 +0200 > From: Bartosz Golaszewski > > The dma_addr field in desc_data must not be overwritten until after the > new skb is mapped. Currently we do replace it with uninitialized value > in error path. This change fixes it by moving the assignment before the > label to which we jump after mapping or allocation errors. > > Fixes: 8c7bd5a454ff ("net: ethernet: mtk-star-emac: new driver") > Reported-by: Nathan Chancellor > Signed-off-by: Bartosz Golaszewski Applied, please use "[PATCH net-next]" to clearly indicate the target GIT tree next time. Thank you.