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@xxxxxxxxxxxxxxx> know about it.
>From foo@baz Tue Jan 26 21:31:27 PST 2016
From: Lars Persson <lars.persson@xxxxxxxx>
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@xxxxxxxx>
[ 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@xxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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@xxxxxxxx are
queue-4.4/dwc_eth_qos-fix-dma-address-for-multi-fragment-skbs.patch
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