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Miller" , Sasha Levin Subject: [PATCH AUTOSEL for 3.18 013/102] net: qca_spi: Fix alignment issues in rx path Thread-Topic: [PATCH AUTOSEL for 3.18 013/102] net: qca_spi: Fix alignment issues in rx path Thread-Index: AQHTv5z3Fp9hY6xwJEiJRswW4v6ZOA== Date: Mon, 19 Mar 2018 16:11:41 +0000 Message-ID: <20180319161117.17833-13-alexander.levin@microsoft.com> References: <20180319161117.17833-1-alexander.levin@microsoft.com> In-Reply-To: <20180319161117.17833-1-alexander.levin@microsoft.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [52.168.54.252] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;DM5PR2101MB0984;7:f90IA95+9mcJzgMA3b74TTWa28Z6RHOYZdYwRPEW6frxc5YJAGAYlPUAPq//wrVb1byCBQRf1t/CfeekcBeT4wEMVFkbV2S+bi5IVTEby2Ht2j8D78ySvgjdBht5Rhxk4k/LWgkx0pBMQ3D0k7IQvTtp6MULuZXjdUJK3JGGWyrk7k91FyWvSfSl044JRSLtGIJqSG90rPGFm7p5PQkh/VUo3KABhe+nkb/X6/6yV5aGd2WfYx4nghxZnASQ9+z9;20:0/+fwveo/aB6CrelmrQFgDSMvtZxRKSNao33CA2vJVn8Z2N9+WlziA3/Jp6W4w3GdndebaaoIkf+srhpB+0PKAKCh1k6QuUo25bWDlAD043PE/keNflZEnswyQsJJRfWdj30l6M5GdD8BfbdjyR0vZj08g88JqZbw58/vPtc6Io= x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 18415bf1-59f2-42fd-f814-08d58db41a15 x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(48565401081)(5600026)(4604075)(3008032)(4534165)(4627221)(201703031133081)(201702281549075)(2017052603328)(7193020);SRVR:DM5PR2101MB0984; x-ms-traffictypediagnostic: DM5PR2101MB0984: authentication-results: spf=none (sender IP is ) smtp.mailfrom=Alexander.Levin@microsoft.com; x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:(28532068793085)(89211679590171); x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(8211001083)(61425038)(6040522)(2401047)(5005006)(8121501046)(3231221)(944501300)(52105095)(3002001)(93006095)(93001095)(10201501046)(6055026)(61426038)(61427038)(6041310)(201703131423095)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(20161123560045)(20161123562045)(20161123564045)(20161123558120)(6072148)(201708071742011);SRVR:DM5PR2101MB0984;BCL:0;PCL:0;RULEID:;SRVR:DM5PR2101MB0984; x-forefront-prvs: 06167FAD59 x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(396003)(39860400002)(366004)(39380400002)(376002)(346002)(199004)(189003)(54906003)(14454004)(68736007)(10090500001)(5660300001)(6506007)(186003)(26005)(99286004)(7736002)(305945005)(76176011)(316002)(22452003)(53936002)(102836004)(110136005)(2906002)(107886003)(86362001)(10290500003)(3280700002)(478600001)(3660700001)(72206003)(86612001)(6512007)(3846002)(66066001)(36756003)(97736004)(6116002)(6486002)(25786009)(2950100002)(1076002)(4326008)(5250100002)(105586002)(2900100001)(2501003)(81166006)(8936002)(81156014)(6436002)(8676002)(106356001)(22906009)(217873001);DIR:OUT;SFP:1102;SCL:1;SRVR:DM5PR2101MB0984;H:DM5PR2101MB1032.namprd21.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX:1; x-microsoft-antispam-message-info: itpwcNyeXrZvd7jhXCEZdvPSDibRtIRvtcc2AV40lhjGVrahy2db5jLKDGEn9ZQ/gQJV84smVA6XQESvKQkMSVSYk21KC6CP9uaUJOxCjzs19XQoWiP2wwMKic9Qe28e3wf0+W24MvfywFhceBI0fzw4LfpAPSr9LdoIkwWrgc+QsYbSaQ0eLBEMcVP5T6+5VAeqiaW7FH/YsPQstt2ox90pCDSVlCqea3UECtlwRC9jnlFnAcTEBGUAkUCjNU/bQRlraQ6p4DlaVZbl57bKqHksBYf7wiOYcu2cKq/efJhVVJTln0tJw6Ne2R9f6a7tqm6iev6k48DU4+rqr+1Hgg== spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: 18415bf1-59f2-42fd-f814-08d58db41a15 X-MS-Exchange-CrossTenant-originalarrivaltime: 19 Mar 2018 16:11:41.2599 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR2101MB0984 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: From: Stefan Wahren [ Upstream commit 8d66c30b12ed3cb533696dea8b9a9eadd5da426a ] The qca_spi driver causes alignment issues on ARM devices. So fix this by using netdev_alloc_skb_ip_align(). Signed-off-by: Stefan Wahren Fixes: 291ab06ecf67 ("net: qualcomm: new Ethernet over SPI driver for QCA70= 00") Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/qualcomm/qca_spi.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/qualcomm/qca_spi.c b/drivers/net/ethernet= /qualcomm/qca_spi.c index f55be6ddf3a7..487d6ab771e9 100644 --- a/drivers/net/ethernet/qualcomm/qca_spi.c +++ b/drivers/net/ethernet/qualcomm/qca_spi.c @@ -297,8 +297,9 @@ qcaspi_receive(struct qcaspi *qca) =20 /* Allocate rx SKB if we don't have one available. */ if (!qca->rx_skb) { - qca->rx_skb =3D netdev_alloc_skb(net_dev, - net_dev->mtu + VLAN_ETH_HLEN); + qca->rx_skb =3D netdev_alloc_skb_ip_align(net_dev, + net_dev->mtu + + VLAN_ETH_HLEN); if (!qca->rx_skb) { netdev_dbg(net_dev, "out of RX resources\n"); qca->stats.out_of_mem++; @@ -378,7 +379,7 @@ qcaspi_receive(struct qcaspi *qca) qca->rx_skb, qca->rx_skb->dev); qca->rx_skb->ip_summed =3D CHECKSUM_UNNECESSARY; netif_rx_ni(qca->rx_skb); - qca->rx_skb =3D netdev_alloc_skb(net_dev, + qca->rx_skb =3D netdev_alloc_skb_ip_align(net_dev, net_dev->mtu + VLAN_ETH_HLEN); if (!qca->rx_skb) { netdev_dbg(net_dev, "out of RX resources\n"); @@ -760,7 +761,8 @@ qcaspi_netdev_init(struct net_device *dev) if (!qca->rx_buffer) return -ENOBUFS; =20 - qca->rx_skb =3D netdev_alloc_skb(dev, qca->net_dev->mtu + VLAN_ETH_HLEN); + qca->rx_skb =3D netdev_alloc_skb_ip_align(dev, qca->net_dev->mtu + + VLAN_ETH_HLEN); if (!qca->rx_skb) { kfree(qca->rx_buffer); netdev_info(qca->net_dev, "Failed to allocate RX sk_buff.\n"); --=20 2.14.1