51 	struct smsc9420_ring_info *tx_buffers;  member
501 	if (!pd->tx_buffers)  in smsc9420_free_tx_ring()
505 		struct sk_buff *skb = pd->tx_buffers[i].skb;  in smsc9420_free_tx_ring()
508 			BUG_ON(!pd->tx_buffers[i].mapping);  in smsc9420_free_tx_ring()
509 			pci_unmap_single(pd->pdev, pd->tx_buffers[i].mapping,  in smsc9420_free_tx_ring()
521 	kfree(pd->tx_buffers);  in smsc9420_free_tx_ring()
522 	pd->tx_buffers = NULL;  in smsc9420_free_tx_ring()
910 		BUG_ON(!pd->tx_buffers[index].skb);  in smsc9420_complete_tx()
911 		BUG_ON(!pd->tx_buffers[index].mapping);  in smsc9420_complete_tx()
913 		pci_unmap_single(pd->pdev, pd->tx_buffers[index].mapping,  in smsc9420_complete_tx()
914 			pd->tx_buffers[index].skb->len, PCI_DMA_TODEVICE);  in smsc9420_complete_tx()
915 		pd->tx_buffers[index].mapping = 0;  in smsc9420_complete_tx()
917 		dev_kfree_skb_any(pd->tx_buffers[index].skb);  in smsc9420_complete_tx()
918 		pd->tx_buffers[index].skb = NULL;  in smsc9420_complete_tx()
941 	BUG_ON(pd->tx_buffers[index].skb);  in smsc9420_hard_start_xmit()
942 	BUG_ON(pd->tx_buffers[index].mapping);  in smsc9420_hard_start_xmit()
952 	pd->tx_buffers[index].skb = skb;  in smsc9420_hard_start_xmit()
953 	pd->tx_buffers[index].mapping = mapping;  in smsc9420_hard_start_xmit()
1185 	pd->tx_buffers = kmalloc_array(TX_RING_SIZE,  in smsc9420_alloc_tx_ring()
1188 	if (!pd->tx_buffers)  in smsc9420_alloc_tx_ring()
1193 		pd->tx_buffers[i].skb = NULL;  in smsc9420_alloc_tx_ring()
1194 		pd->tx_buffers[i].mapping = 0;  in smsc9420_alloc_tx_ring()
1655 	BUG_ON(pd->tx_buffers);  in smsc9420_remove()