Patch "dwc_eth_qos: Fix dma address for multi-fragment skbs" has been added to the 4.4-stable tree

Patch "dwc_eth_qos: Fix dma address for multi-fragment skbs" has been added to the 4.4-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    dwc_eth_qos: Fix dma address for multi-fragment skbs

to the 4.4-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     dwc_eth_qos-fix-dma-address-for-multi-fragment-skbs.patch
and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From foo@baz Tue Jan 26 21:31:27 PST 2016
From: Lars Persson <lars.persson@axis.com>
Date: Tue, 12 Jan 2016 15:28:13 +0100
Subject: dwc_eth_qos: Fix dma address for multi-fragment skbs

From: Lars Persson <lars.persson@axis.com>

[ 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 <larper@axis.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 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;
 


Patches currently in stable-queue which might be from lars.persson@axis.com are

queue-4.4/dwc_eth_qos-fix-dma-address-for-multi-fragment-skbs.patch