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Commit 2902bc66 authored by Dan Carpenter's avatar Dan Carpenter Committed by David S. Miller
Browse files

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: default avatarDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 8cb775bc

drivers/net/ethernet/micrel/ks8842.c

+2 −3
Original line number Diff line number Diff line
@@ -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;

	}