map_skb
if (unlikely(map_skb(adap->pdev, skb, addr) < 0)) {
map_skb(adap->pdev, skb, (dma_addr_t *)skb->head)) {
map_skb(adap->pdev, skb, (dma_addr_t *)skb->head))
unlikely(map_skb(adapter->pdev_dev, skb, addr) < 0)) {
goto map_skb;
map_skb: