提交 2902bc66 编写于 作者: D Dan Carpenter 提交者: David S. Miller

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: NDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 8cb775bc
......@@ -952,9 +952,8 @@ static int ks8842_alloc_dma_bufs(struct net_device *netdev)
sg_dma_address(&tx_ctl->sg) = dma_map_single(adapter->dev,
tx_ctl->buf, DMA_BUFFER_SIZE, DMA_TO_DEVICE);
err = dma_mapping_error(adapter->dev,
sg_dma_address(&tx_ctl->sg));
if (err) {
if (dma_mapping_error(adapter->dev, sg_dma_address(&tx_ctl->sg))) {
err = -ENOMEM;
sg_dma_address(&tx_ctl->sg) = 0;
goto err;
}
......
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