From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:50881 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935066AbcA0SYW (ORCPT ); Wed, 27 Jan 2016 13:24:22 -0500 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Lars Persson , "David S. Miller" Subject: [PATCH 4.3 106/157] dwc_eth_qos: Fix dma address for multi-fragment skbs Date: Wed, 27 Jan 2016 10:12:53 -0800 Message-Id: <20160127180938.306682847@linuxfoundation.org> In-Reply-To: <20160127180932.533735338@linuxfoundation.org> References: <20160127180932.533735338@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Sender: stable-owner@vger.kernel.org List-ID: 4.3-stable review patch. If anyone has any objections, please let me know. ------------------ From: Lars Persson [ Upstream commit d461873272169a3fc3a8d155d7b1c92e9d97b419 ] The offset inside the fragment was not used for the dma address and silent data corruption resulted because TSO makes the checksum match. Fixes: 077742dac2c7 ("dwc_eth_qos: Add support for Synopsys DWC Ethernet QoS") Signed-off-by: Lars Persson Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/synopsys/dwc_eth_qos.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/net/ethernet/synopsys/dwc_eth_qos.c +++ b/drivers/net/ethernet/synopsys/dwc_eth_qos.c @@ -2107,7 +2107,7 @@ static int dwceqos_tx_frags(struct sk_bu dd = &lp->tx_descs[lp->tx_next]; /* Set DMA Descriptor fields */ - dd->des0 = dma_handle; + dd->des0 = dma_handle + consumed_size; dd->des1 = 0; dd->des2 = dma_size;