amd8111e: trivial endianness annotations, NULL noise removal

Signed-off-by: Al Viro <[e-mail]>
Signed-off-by: Jeff Garzik <[e-mail]>

drivers/net/amd8111e.c

···
 static int amd8111e_tx_queue_avail(struct amd8111e_priv* lp )
 {
 	int tx_index = lp->tx_idx & TX_BUFF_MOD_MASK;
-	if(lp->tx_skbuff[tx_index] != 0)
+	if (lp->tx_skbuff[tx_index])
 		return -1;
 	else
 		return 0;
···
 	lp->tx_dma_addr[tx_index] =
 	    pci_map_single(lp->pci_dev, skb->data, skb->len, PCI_DMA_TODEVICE);
 	lp->tx_ring[tx_index].buff_phy_addr =
-	    (u32) cpu_to_le32(lp->tx_dma_addr[tx_index]);
+	    cpu_to_le32(lp->tx_dma_addr[tx_index]);
 
 	/*  Set FCS and LTINT bits */
 	wmb();
···
 	spin_lock_init(&lp->lock);
 
 	lp->mmio = ioremap(reg_addr, reg_len);
-	if (lp->mmio == 0) {
+	if (!lp->mmio) {
 		printk(KERN_ERR "amd8111e: Cannot map device registers, "
 		       "exiting\n");
 		err = -ENOMEM;

drivers/net/amd8111e.h

···
 
 struct amd8111e_tx_dr{
 
-	u16 buff_count; /* Size of the buffer pointed by this descriptor */
+	__le16 buff_count; /* Size of the buffer pointed by this descriptor */
 
-	u16 tx_flags;
+	__le16 tx_flags;
 
-	u16 tag_ctrl_info;
+	__le16 tag_ctrl_info;
 
-	u16 tag_ctrl_cmd;
+	__le16 tag_ctrl_cmd;
 
-	u32 buff_phy_addr;
+	__le32 buff_phy_addr;
 
-	u32 reserved;
+	__le32 reserved;
 };
 
 struct amd8111e_rx_dr{
 
-	u32 reserved;
+	__le32 reserved;
 
-	u16 msg_count; /* Received message len */
+	__le16 msg_count; /* Received message len */
 
-	u16 tag_ctrl_info;
+	__le16 tag_ctrl_info;
 
-	u16 buff_count;  /* Len of the buffer pointed by descriptor. */
+	__le16 buff_count;  /* Len of the buffer pointed by descriptor. */
 
-	u16 rx_flags;
+	__le16 rx_flags;
 
-	u32 buff_phy_addr;
+	__le32 buff_phy_addr;
 
 };
 struct amd8111e_link_config{