nuport-mac: use dma_mapping_error() instead of checking pointers
Thanks Gabor for spotting this SVN-Revision: 33071
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7f9bfa3fcd
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47380a4388
1 changed files with 2 additions and 2 deletions
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@ -256,7 +256,7 @@ static int nuport_mac_start_tx_dma(struct nuport_mac_priv *priv,
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priv->tx_addr = dma_map_single(&priv->pdev->dev, skb->data,
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priv->tx_addr = dma_map_single(&priv->pdev->dev, skb->data,
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skb->len, DMA_TO_DEVICE);
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skb->len, DMA_TO_DEVICE);
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if (!priv->tx_addr)
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if (dma_mapping_error(&priv->pdev->dev, priv->tx_addr))
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return -ENOMEM;
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return -ENOMEM;
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/* enable enhanced mode */
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/* enable enhanced mode */
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@ -299,7 +299,7 @@ static int nuport_mac_start_rx_dma(struct nuport_mac_priv *priv,
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priv->rx_addr = dma_map_single(&priv->pdev->dev, skb->data,
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priv->rx_addr = dma_map_single(&priv->pdev->dev, skb->data,
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RX_ALLOC_SIZE, DMA_FROM_DEVICE);
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RX_ALLOC_SIZE, DMA_FROM_DEVICE);
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if (!priv->rx_addr)
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if (dma_mapping_error(&priv->pdev->dev, priv->rx_addr))
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return -ENOMEM;
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return -ENOMEM;
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nuport_mac_writel(priv->rx_addr, RX_BUFFER_ADDR);
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nuport_mac_writel(priv->rx_addr, RX_BUFFER_ADDR);
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