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e100: Do pci_dma_sync after skb_alloc for proper operation on ixp4xx 

The E100 device can't work on current kernel (2.6.26-rc6) and will cause
kernel corruption on intel ixdp4xx.

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Kevin Hao 2008-06-21 18:20:35 +08:00 committed by Jeff Garzik
parent 70081ac55d
commit 1923815d85
1 changed files with 2 additions and 0 deletions
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2
drivers/net/e100.c
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@ -1803,6 +1803,8 @@ static int e100_rx_alloc_skb(struct nic *nic, struct rx *rx)
if (rx->prev->skb) {
struct rfd *prev_rfd = (struct rfd *)rx->prev->skb->data;
put_unaligned_le32(rx->dma_addr, &prev_rfd->link);
pci_dma_sync_single_for_device(nic->pdev, rx->prev->dma_addr,
sizeof(struct rfd), PCI_DMA_TODEVICE);
}
return 0;