diff options
| author | Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> | 2015-12-13 21:27:04 +0300 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2016-01-23 00:40:05 +0300 |
| commit | b7c9785c48cd750d45823a21eb0d0270739d6c31 (patch) | |
| tree | 51df4d3082767d829d9b26bfa07e1ece7ed8a343 /drivers/net | |
| parent | 973c0593a04478d6863a646e6a5ef8d206aceda5 (diff) | |
| download | linux-b7c9785c48cd750d45823a21eb0d0270739d6c31.tar.xz | |
sh_eth: fix TX buffer byte-swapping
commit 3e2309937f1e5d538ff13da5fb8de41196927c61 upstream.
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>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'drivers/net')
| -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 e49208d1bc33..9842fd92c483 100644 --- a/drivers/net/ethernet/renesas/sh_eth.c +++ b/drivers/net/ethernet/renesas/sh_eth.c @@ -1499,8 +1499,7 @@ 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 (skb->len < ETHERSMALL) |