redonkable/remarkable-linux
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Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

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This commit is contained in:
David S. Miller 2011-07-21 20:21:27 -07:00
parent 557e2a394d 94c5b41b32
commit e627539090
1 changed files with 14 additions and 6 deletions
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20
drivers/net/jme.c
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@ -751,20 +751,28 @@ jme_make_new_rx_buf(struct jme_adapter *jme, int i)
struct jme_ring *rxring = &(jme->rxring[0]);
struct jme_buffer_info *rxbi = rxring->bufinf + i;
struct sk_buff *skb;
dma_addr_t mapping;
skb = netdev_alloc_skb(jme->dev,
jme->dev->mtu + RX_EXTRA_LEN);
if (unlikely(!skb))
return -ENOMEM;
mapping = pci_map_page(jme->pdev, virt_to_page(skb->data),
offset_in_page(skb->data), skb_tailroom(skb),
PCI_DMA_FROMDEVICE);
if (unlikely(pci_dma_mapping_error(jme->pdev, mapping))) {
dev_kfree_skb(skb);
return -ENOMEM;
}
if (likely(rxbi->mapping))
pci_unmap_page(jme->pdev, rxbi->mapping,
rxbi->len, PCI_DMA_FROMDEVICE);
rxbi->skb = skb;
rxbi->len = skb_tailroom(skb);
rxbi->mapping = pci_map_page(jme->pdev,
virt_to_page(skb->data),
offset_in_page(skb->data),
rxbi->len,
PCI_DMA_FROMDEVICE);
rxbi->mapping = mapping;
return 0;
}