Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
diff --git a/drivers/net/jme.c b/drivers/net/jme.c
index 85a11e0..3ac262f 100644
--- a/drivers/net/jme.c
+++ b/drivers/net/jme.c
@@ -751,20 +751,28 @@
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;
}