//****************************************************************************
// remove device resources
//
static int pcan_usb_cleanup(struct pcandev *dev)
{
USB_PORT *u = &dev->port.usb;
DPRINTK(KERN_DEBUG "%s: %s(CAN#%d)\n",
DEVICE_NAME, __FUNCTION__, u->dev_ctrl_index);
if (dev)
{
kfree(u->write_buffer_addr);
switch(dev->wInitStep)
{
case 4:
#ifdef NETDEV_SUPPORT
pcan_netdev_unregister(dev);
#endif
case 3:
usb_devices--;
pcan_drv.wDeviceCount--;
case 2:
list_del(&dev->list);
case 1:
case 0:
pcan_delete_filter_chain(dev->filter);
dev->filter = NULL;
}
}
return 0;
}
static void pcan_usb_plugout_netdev(struct pcandev *dev)
{
struct net_device *ndev = dev->netdev;
if (ndev)
{
netif_stop_queue(ndev);
pcan_netdev_unregister(dev);
}
}
//****************************************************************************
// remove device resources
//
static int pcan_usb_cleanup(struct pcandev *dev)
{
if (dev) {
USB_PORT *u = &dev->port.usb;
DPRINTK(KERN_DEBUG "%s: %s(CAN#%d)\n",
DEVICE_NAME, __func__, u->dev_ctrl_index);
kfree(u->write_buffer_addr);
u->write_buffer_addr = NULL;
switch(dev->wInitStep) {
case 4:
#if 1
/* New: unlock any waiting task */
dev->ucPhysicallyInstalled = 0;
wake_up_interruptible(&dev->write_queue);
wake_up_interruptible(&dev->read_queue);
#endif
#ifdef NETDEV_SUPPORT
pcan_netdev_unregister(dev);
#endif
case 3:
usb_devices--;
case 2:
pcan_del_device_from_list(dev);
case 1:
case 0:
pcan_delete_filter_chain(dev->filter);
dev->filter = NULL;
}
/* just to be sure not doing twice one of the above */
dev->wInitStep = 0xff;
} else {
DPRINTK(KERN_DEBUG "%s: %s(NULL dev)\n", DEVICE_NAME, __func__);
}
return 0;
}