From patchwork Wed May 12 14:49:43 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 436890 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=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, 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 0E097C4363C for ; Wed, 12 May 2021 15:50:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C4817619C8 for ; Wed, 12 May 2021 15:50:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233431AbhELPtH (ORCPT ); Wed, 12 May 2021 11:49:07 -0400 Received: from mail.kernel.org ([198.145.29.99]:40100 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235089AbhELPmX (ORCPT ); Wed, 12 May 2021 11:42:23 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 4C6CF61C84; Wed, 12 May 2021 15:21:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1620832915; bh=6jbx8f/0Gz8nba8YAg5+OSMl+C5x1aVC6pWPyNWnZ00=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=u975geIzPupUeq2xdjzPrI3kBVlbT2AorcQrXK5adKvS/NhZCzq8zeVxdDOtPm3Yu AifbPV2Dl8PDBcgMQM6EeQOCHPpu02RzQWg+qAjxeqev+NaxFCjiYv2WHwMizdp5sj XTSyWgIuhnHzipKLG5ByAO2ZVPUd54Hs7CqoKwo8= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Edward Cree , "David S. Miller" , Sasha Levin Subject: [PATCH 5.10 473/530] sfc: ef10: fix TX queue lookup in TX event handling Date: Wed, 12 May 2021 16:49:43 +0200 Message-Id: <20210512144835.301606120@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210512144819.664462530@linuxfoundation.org> References: <20210512144819.664462530@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Edward Cree [ Upstream commit 172e269edfce34bac7c61c15551816bda4b0f140 ] We're starting from a TXQ label, not a TXQ type, so efx_channel_get_tx_queue() is inappropriate. This worked by chance, because labels and types currently match on EF10, but we shouldn't rely on that. Fixes: 12804793b17c ("sfc: decouple TXQ type from label") Signed-off-by: Edward Cree Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/sfc/ef10.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c index da6886dcac37..4fa72b573c17 100644 --- a/drivers/net/ethernet/sfc/ef10.c +++ b/drivers/net/ethernet/sfc/ef10.c @@ -2928,8 +2928,7 @@ efx_ef10_handle_tx_event(struct efx_channel *channel, efx_qword_t *event) /* Get the transmit queue */ tx_ev_q_label = EFX_QWORD_FIELD(*event, ESF_DZ_TX_QLABEL); - tx_queue = efx_channel_get_tx_queue(channel, - tx_ev_q_label % EFX_MAX_TXQ_PER_CHANNEL); + tx_queue = channel->tx_queue + (tx_ev_q_label % EFX_MAX_TXQ_PER_CHANNEL); if (!tx_queue->timestamping) { /* Transmit completion */