net: use DMA_x_DEVICE and dma_mapping_error with skb_frag_dma_map

When I converted some drivers from pci_map_page to skb_frag_dma_map I
neglected to convert PCI_DMA_xDEVICE into DMA_x_DEVICE and
pci_dma_mapping_error into dma_mapping_error.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/nvidia/forcedeth.c b/drivers/net/ethernet/nvidia/forcedeth.c
index 4e39b8c..84baa59 100644
--- a/drivers/net/ethernet/nvidia/forcedeth.c
+++ b/drivers/net/ethernet/nvidia/forcedeth.c
@@ -2150,7 +2150,7 @@
 							&np->pci_dev->dev,
 							frag, offset,
 							bcnt,
-							PCI_DMA_TODEVICE);
+							DMA_TO_DEVICE);
 			np->put_tx_ctx->dma_len = bcnt;
 			np->put_tx_ctx->dma_single = 0;
 			put_tx->buf = cpu_to_le32(np->put_tx_ctx->dma);
@@ -2264,7 +2264,7 @@
 							&np->pci_dev->dev,
 							frag, offset,
 							bcnt,
-							PCI_DMA_TODEVICE);
+							DMA_TO_DEVICE);
 			np->put_tx_ctx->dma_len = bcnt;
 			np->put_tx_ctx->dma_single = 0;
 			put_tx->bufhigh = cpu_to_le32(dma_high(np->put_tx_ctx->dma));