target/linux/mediatek/patches-4.4/0085-net-next-mediatek-invalid-buffer-lookup-in-mtk_tx_ma.patch

   1 From e58c3912f08f71d9c3e2b09548c96dca8f6ea9d8 Mon Sep 17 00:00:00 2001
   2 From: John Crispin <blogic@openwrt.org>
   3 Date: Sat, 23 Apr 2016 09:25:00 +0200
   4 Subject: [PATCH 85/91] 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.
   9
  10 Signed-off-by: John Crispin <blogic@openwrt.org>
  11 ---
  12  drivers/net/ethernet/mediatek/mtk_eth_soc.c |    2 +-
  13  1 file changed, 1 insertion(+), 1 deletion(-)
  14
  15 diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
  16 index 6896d17..2a4bbbb 100644
  17 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
  18 +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
  19 @@ -670,7 +670,7 @@ static int mtk_tx_map(struct sk_buff *skb, struct net_device *dev,
  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);
  28 --
  29 1.7.10.4
  30