vxge: use pci_dma_mapping_error to test return value
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>
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@ -310,7 +310,7 @@ static int vxge_rx_map(void *dtrh, struct vxge_ring *ring)
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dma_addr = pci_map_single(ring->pdev, rx_priv->skb_data,
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dma_addr = pci_map_single(ring->pdev, rx_priv->skb_data,
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rx_priv->data_size, PCI_DMA_FROMDEVICE);
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rx_priv->data_size, PCI_DMA_FROMDEVICE);
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if (dma_addr == 0) {
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if (unlikely(pci_dma_mapping_error(ring->pdev, dma_addr))) {
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ring->stats.pci_map_fail++;
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ring->stats.pci_map_fail++;
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return -EIO;
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return -EIO;
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}
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}
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