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sis190: fix for x86_64 (bug 11509)

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Corrected dma sync handling on small packets. Should fix
http://bugzilla.kernel.org/show_bug.cgi?id=11509
Note:
While this bug was reported only on x86_64, it could have affected
any architecture.

Signed-off-by: Riccardo Ghetta <birrachiara@tin.it>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Riccardo Ghetta 2009-06-07 19:47:58 +00:00 committed by David S. Miller
parent 365da8722d
commit 744c6b2976
1 changed files with 2 additions and 2 deletions
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4
drivers/net/sis190.c
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@ -539,8 +539,8 @@ static bool sis190_try_rx_copy(struct sis190_private *tp,
if (!skb)
goto out;
pci_dma_sync_single_for_device(tp->pci_dev, addr, pkt_size,
PCI_DMA_FROMDEVICE);
pci_dma_sync_single_for_cpu(tp->pci_dev, addr, tp->rx_buf_sz,
PCI_DMA_FROMDEVICE);
skb_reserve(skb, 2);
skb_copy_to_linear_data(skb, sk_buff[0]->data, pkt_size);
*sk_buff = skb;