[vxge] Avoid unused variable warning in gcc 4.6

Reported-by: Ralph Giles <giles@thaumas.net>
Tested-by: Ralph Giles <giles@thaumas.net>
Signed-off-by: Michael Brown <mcb30@ipxe.org>

src/drivers/net/vxge/vxge_main.c

 	struct vxge_fifo *fifo = NULL;
 	struct vxgedev *vdev = NULL;
 	struct __vxge_hw_fifo *fifoh;
-	struct __vxge_hw_device  *hldev;
 	struct vxge_hw_fifo_txd *txdp;
 
 	vxge_trace();
 
 	vdev = (struct vxgedev *)netdev_priv(dev);
-	hldev = (struct __vxge_hw_device  *)pci_get_drvdata(vdev->pdev);
 
 	if (!is_vxge_card_up(vdev)) {
 		vxge_debug(VXGE_ERR,
 void
 vxge_device_unregister(struct __vxge_hw_device *hldev)
 {
-	struct vxgedev *vdev;
 	struct net_device *ndev;
 
 	ndev = hldev->ndev;
-	vdev = netdev_priv(ndev);
 
 	unregister_netdev(ndev);
 	netdev_nullify(ndev);
 	struct vxgedev *vdev;
 	int i;
 	u8 revision, titan1;
-	u32 host_type;
 	u32 function_mode;
 	unsigned long mmio_start, mmio_len;
 	void *bar0;
 		"%s:%d  Vpath mask = %llx\n", __func__, __LINE__,
 		(unsigned long long)vpath_mask);
 
-	host_type = hw_info.host_type;
 	fw_version = &hw_info.fw_version;
 	/* fail the driver loading if firmware is incompatible */
 	if ((fw_version->major != VXGE_CERT_FW_VER_MAJOR) ||

src/drivers/net/vxge/vxge_traffic.c

 enum vxge_hw_status
 vxge_hw_vpath_intr_enable(struct __vxge_hw_virtualpath *vpath)
 {
-	u64 val64;
 	struct vxge_hw_vpath_reg *vp_reg;
 	enum vxge_hw_status status = VXGE_HW_OK;
 
 	__vxge_hw_pio_mem_write32_upper((u32)VXGE_HW_INTR_MASK_ALL,
 				&vp_reg->xgmac_vp_int_status);
 
-	val64 = readq(&vp_reg->vpath_general_int_status);
+	readq(&vp_reg->vpath_general_int_status);
 
 	/* Mask unwanted interrupts */
 	__vxge_hw_pio_mem_write32_upper((u32)VXGE_HW_INTR_MASK_ALL,
 enum vxge_hw_status
 vxge_hw_vpath_intr_disable(struct __vxge_hw_virtualpath *vpath)
 {
-	u64 val64;
 	enum vxge_hw_status status = VXGE_HW_OK;
 	struct vxge_hw_vpath_reg __iomem *vp_reg;
 
 	__vxge_hw_pio_mem_write32_upper((u32)VXGE_HW_INTR_MASK_ALL,
 			&vp_reg->vpath_general_int_mask);
 
-	val64 = VXGE_HW_TIM_CLR_INT_EN_VP(1 << (16 - vpath->vp_id));
-
 	writeq(VXGE_HW_INTR_MASK_ALL, &vp_reg->kdfcctl_errors_mask);
 
 	__vxge_hw_pio_mem_write32_upper((u32)VXGE_HW_INTR_MASK_ALL,