From 1923815d855e1daec931fc9f2221fb73ca708870 Mon Sep 17 00:00:00 2001 From: Kevin Hao Date: Sat, 21 Jun 2008 18:20:35 +0800 Subject: [PATCH] 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 --- drivers/net/e100.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/e100.c b/drivers/net/e100.c index f3cba5e24ec..1037b133231 100644 --- a/drivers/net/e100.c +++ b/drivers/net/e100.c @@ -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; -- 2.32.0.93.g670b81a890