From efd171004345809f4f4ce7e147028d865ab78f68 Mon Sep 17 00:00:00 2001 From: Sergei Shtylyov Date: Sun, 13 Dec 2015 21:27:04 +0300 Subject: 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 Signed-off-by: David S. Miller Signed-off-by: Zefan Li --- drivers/net/ethernet/renesas/sh_eth.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c index 16caebaec007..53f5a96e99c3 100644 --- a/drivers/net/ethernet/renesas/sh_eth.c +++ b/drivers/net/ethernet/renesas/sh_eth.c @@ -1513,8 +1513,7 @@ 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) -- cgit v1.2.3