target/linux/mediatek/patches-4.4/0084-net-next-mediatek-invalid-buffer-lookup-in-mtk_tx_ma.patch

   1 From 1eea1536dbbbfda418751ec6f5387acb521ddb97 Mon Sep 17 00:00:00 2001
   2 From: John Crispin <john@phrozen.org>
   3 Date: Sat, 23 Apr 2016 09:25:00 +0200
   4 Subject: [PATCH 084/102] net-next: mediatek: invalid buffer lookup in
   5  mtk_tx_map()
   6
   7 The lookup of the tx_buffer in the error path inside mtk_tx_map() uses the
   8 wrong descriptor pointer. This looks like a copy & paste error. Change the
   9 code to use the correct pointer.
  10
  11 Signed-off-by: Sean Wang <keyhaede@gmail.com>
  12 Signed-off-by: John Crispin <john@phrozen.org>
  13 ---
  14  drivers/net/ethernet/mediatek/mtk_eth_soc.c |    2 +-
  15  1 file changed, 1 insertion(+), 1 deletion(-)
  16
  17 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
  18 +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
  19 @@ -686,7 +686,7 @@ static int mtk_tx_map(struct sk_buff *sk
  20
  21  err_dma:
  22         do {
  23 -               tx_buf = mtk_desc_to_tx_buf(ring, txd);
  24 +               tx_buf = mtk_desc_to_tx_buf(ring, itxd);
  25
  26                 /* unmap dma */
  27                 mtk_tx_unmap(&dev->dev, tx_buf);