r8169: convert to SKB paged frag API.

Signed-off-by: Ian Campbell <[e-mail]>
Cc: Realtek linux nic maintainers <[e-mail]>
Cc: Francois Romieu <[e-mail]>
Cc: [e-mail]
Signed-off-by: David S. Miller <[e-mail]>

drivers/net/ethernet/realtek/r8169.c

···
 
 		txd = tp->TxDescArray + entry;
 		len = frag->size;
-		addr = ((void *) page_address(frag->page)) + frag->page_offset;
+		addr = skb_frag_address(frag);
 		mapping = dma_map_single(d, addr, len, DMA_TO_DEVICE);
 		if (unlikely(dma_mapping_error(d, mapping))) {
 			if (net_ratelimit())