63 	struct smsc9420_ring_info *tx_buffers;  member
513 	if (!pd->tx_buffers)  in smsc9420_free_tx_ring()
517 		struct sk_buff *skb = pd->tx_buffers[i].skb;  in smsc9420_free_tx_ring()
520 			BUG_ON(!pd->tx_buffers[i].mapping);  in smsc9420_free_tx_ring()
521 			pci_unmap_single(pd->pdev, pd->tx_buffers[i].mapping,  in smsc9420_free_tx_ring()
533 	kfree(pd->tx_buffers);  in smsc9420_free_tx_ring()
534 	pd->tx_buffers = NULL;  in smsc9420_free_tx_ring()
922 		BUG_ON(!pd->tx_buffers[index].skb);  in smsc9420_complete_tx()
923 		BUG_ON(!pd->tx_buffers[index].mapping);  in smsc9420_complete_tx()
925 		pci_unmap_single(pd->pdev, pd->tx_buffers[index].mapping,  in smsc9420_complete_tx()
926 			pd->tx_buffers[index].skb->len, PCI_DMA_TODEVICE);  in smsc9420_complete_tx()
927 		pd->tx_buffers[index].mapping = 0;  in smsc9420_complete_tx()
929 		dev_kfree_skb_any(pd->tx_buffers[index].skb);  in smsc9420_complete_tx()
930 		pd->tx_buffers[index].skb = NULL;  in smsc9420_complete_tx()
953 	BUG_ON(pd->tx_buffers[index].skb);  in smsc9420_hard_start_xmit()
954 	BUG_ON(pd->tx_buffers[index].mapping);  in smsc9420_hard_start_xmit()
964 	pd->tx_buffers[index].skb = skb;  in smsc9420_hard_start_xmit()
965 	pd->tx_buffers[index].mapping = mapping;  in smsc9420_hard_start_xmit()
1197 	pd->tx_buffers = kmalloc_array(TX_RING_SIZE,  in smsc9420_alloc_tx_ring()
1200 	if (!pd->tx_buffers)  in smsc9420_alloc_tx_ring()
1205 		pd->tx_buffers[i].skb = NULL;  in smsc9420_alloc_tx_ring()
1206 		pd->tx_buffers[i].mapping = 0;  in smsc9420_alloc_tx_ring()
1667 	BUG_ON(pd->tx_buffers);  in smsc9420_remove()