From patchwork Sun Nov 3 10:34:31 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Bogendoerfer X-Patchwork-Id: 11224315 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 075521515 for ; Sun, 3 Nov 2019 10:35:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E36C52190F for ; Sun, 3 Nov 2019 10:35:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727537AbfKCKfG (ORCPT ); Sun, 3 Nov 2019 05:35:06 -0500 Received: from mx2.suse.de ([195.135.220.15]:56866 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727156AbfKCKfG (ORCPT ); Sun, 3 Nov 2019 05:35:06 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 3C42FB114; Sun, 3 Nov 2019 10:35:04 +0000 (UTC) From: Thomas Bogendoerfer To: Ralf Baechle , "David S. Miller" , linux-mips@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Christoph Hellwig Subject: [net v2 2/4] net: sgi: ioc3-eth: fix usage of GFP_* flags Date: Sun, 3 Nov 2019 11:34:31 +0100 Message-Id: <20191103103433.26826-2-tbogendoerfer@suse.de> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20191103103433.26826-1-tbogendoerfer@suse.de> References: <20191103103433.26826-1-tbogendoerfer@suse.de> Sender: linux-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org From: Christoph Hellwig dma_alloc_coherent always zeroes memory, there is no need for __GFP_ZERO. Also doing a GFP_ATOMIC allocation just before a GFP_KERNEL one is clearly bogus. Fixes: ed870f6a7aa2 ("net: sgi: ioc3-eth: use dma-direct for dma allocations") Signed-off-by: Christoph Hellwig --- drivers/net/ethernet/sgi/ioc3-eth.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/sgi/ioc3-eth.c b/drivers/net/ethernet/sgi/ioc3-eth.c index 4879dedf1f60..d1546f04d1fd 100644 --- a/drivers/net/ethernet/sgi/ioc3-eth.c +++ b/drivers/net/ethernet/sgi/ioc3-eth.c @@ -1244,7 +1244,7 @@ static int ioc3_probe(struct pci_dev *pdev, const struct pci_device_id *ent) /* Allocate rx ring. 4kb = 512 entries, must be 4kb aligned */ ip->rxr = dma_alloc_coherent(ip->dma_dev, RX_RING_SIZE, &ip->rxr_dma, - GFP_ATOMIC); + GFP_KERNEL); if (!ip->rxr) { pr_err("ioc3-eth: rx ring allocation failed\n"); err = -ENOMEM; @@ -1253,7 +1253,7 @@ static int ioc3_probe(struct pci_dev *pdev, const struct pci_device_id *ent) /* Allocate tx rings. 16kb = 128 bufs, must be 16kb aligned */ ip->tx_ring = dma_alloc_coherent(ip->dma_dev, TX_RING_SIZE + SZ_16K - 1, - &ip->txr_dma, GFP_KERNEL | __GFP_ZERO); + &ip->txr_dma, GFP_KERNEL); if (!ip->tx_ring) { pr_err("ioc3-eth: tx ring allocation failed\n"); err = -ENOMEM;