diff options
| author |   Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> | 2015-12-13 21:27:04 +0300 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2015-12-15 00:25:00 -0500 |
| commit | 3e2309937f1e5d538ff13da5fb8de41196927c61 (patch) | |
| tree | 7518ffb1d4818901ea9e62a65d61cf8271a638e0 /drivers/net/ethernet/renesas | |
| parent | net: fix IP early demux races (diff) | |
| download | linux-dev-3e2309937f1e5d538ff13da5fb8de41196927c61.tar.xz linux-dev-3e2309937f1e5d538ff13da5fb8de41196927c61.zip | |
sh_eth: fix TX buffer byte-swapping
For the little-endian SH771x kernels the driver has to byte-swap the RX/TX
buffers, however yet unset physcial address from the TX descriptor is used
to call sh_eth_soft_swap(). Use 'skb->data' instead...
Fixes: 31fcb99d9958 ("net: sh_eth: remove __flush_purge_region")
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/renesas')
| -rw-r--r-- | drivers/net/ethernet/renesas/sh_eth.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c index a5e3f9fb9448..c97b5d865bdb 100644 --- a/drivers/net/ethernet/renesas/sh_eth.c +++ b/drivers/net/ethernet/renesas/sh_eth.c @@ -2396,8 +2396,7 @@ static int sh_eth_start_xmit(struct sk_buff *skb, struct net_device *ndev) txdesc = &mdp->tx_ring[entry]; /* soft swap. */ if (!mdp->cd->hw_swap) - sh_eth_soft_swap(phys_to_virt(ALIGN(txdesc->addr, 4)), - skb->len + 2); + sh_eth_soft_swap(PTR_ALIGN(skb->data, 4), skb->len + 2); txdesc->addr = dma_map_single(&ndev->dev, skb->data, skb->len, DMA_TO_DEVICE); if (dma_mapping_error(&ndev->dev, txdesc->addr)) { |