net: ethernet: micrel: fix an error code
The dma_mapping_error() function returns true or false. We should return -ENOMEM if it there is a dma mapping error. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -952,9 +952,8 @@ static int ks8842_alloc_dma_bufs(struct net_device *netdev)
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sg_dma_address(&tx_ctl->sg) = dma_map_single(adapter->dev,
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tx_ctl->buf, DMA_BUFFER_SIZE, DMA_TO_DEVICE);
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err = dma_mapping_error(adapter->dev,
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sg_dma_address(&tx_ctl->sg));
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if (err) {
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if (dma_mapping_error(adapter->dev, sg_dma_address(&tx_ctl->sg))) {
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err = -ENOMEM;
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sg_dma_address(&tx_ctl->sg) = 0;
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goto err;
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}
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