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/sun/sungem.c b/drivers/net/ethernet/sun/sungem.c
index 2bfa171..6b62a73 100644
--- a/drivers/net/ethernet/sun/sungem.c
+++ b/drivers/net/ethernet/sun/sungem.c
@@ -1072,7 +1072,7 @@
 
 			len = this_frag->size;
 			mapping = skb_frag_dma_map(&gp->pdev->dev, this_frag,
-						   0, len, PCI_DMA_TODEVICE);
+						   0, len, DMA_TO_DEVICE);
 			this_ctrl = ctrl;
 			if (frag == skb_shinfo(skb)->nr_frags - 1)
 				this_ctrl |= TXDCTRL_EOF;