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vxge: use pci_dma_mapping_error to test return value

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pci_dma_mapping_error should be used to test return value of
pci_map_single or pci_map_page.

Signed-off-by: Denis Kirjanov <kirjanov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Denis Kirjanov 2010-01-10 13:40:10 -08:00 committed by David S. Miller
parent 31b683b644
commit fa15e99b6b
1 changed files with 1 additions and 1 deletions
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2
drivers/net/vxge/vxge-main.c
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@ -310,7 +310,7 @@ static int vxge_rx_map(void *dtrh, struct vxge_ring *ring)
dma_addr = pci_map_single(ring->pdev, rx_priv->skb_data,
rx_priv->data_size, PCI_DMA_FROMDEVICE);
if (dma_addr == 0) {
if (unlikely(pci_dma_mapping_error(ring->pdev, dma_addr))) {
ring->stats.pci_map_fail++;
return -EIO;
}