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@xxxxxxxxxx>
diff --git a/drivers/net/ethernet/micrel/ks8842.c b/drivers/net/ethernet/micrel/ks8842.c
index f78909a..09d2e16 100644
--- a/drivers/net/ethernet/micrel/ks8842.c
+++ b/drivers/net/ethernet/micrel/ks8842.c
@@ -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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