static int vt6656_suspend(struct usb_interface *intf, pm_message_t message)
{
- PSDevice pDevice = usb_get_intfdata(intf);
- struct net_device *dev = pDevice->dev;
+ PSDevice device = usb_get_intfdata(intf);
- printk("VNTWUSB Suspend Start======>\n");
-if(dev != NULL) {
- if(pDevice->flags & DEVICE_FLAGS_OPENED)
- device_close(dev);
-}
+ if (!device || !device->dev)
+ return -ENODEV;
+
+ if (device->flags & DEVICE_FLAGS_OPENED)
+ device_close(device->dev);
+
+ usb_put_dev(interface_to_usbdev(intf));
- usb_put_dev(interface_to_usbdev(intf));
- return 0;
+ return 0;
}
static int vt6656_resume(struct usb_interface *intf)
{
- PSDevice pDevice = usb_get_intfdata(intf);
- struct net_device *dev = pDevice->dev;
-
- printk("VNTWUSB Resume Start======>\n");
- if(dev != NULL) {
- usb_get_dev(interface_to_usbdev(intf));
- if(!(pDevice->flags & DEVICE_FLAGS_OPENED)) {
- if(device_open(dev)!=0)
- printk("VNTWUSB Resume Start======>open fail\n");
- }
- }
- return 0;
+ PSDevice device = usb_get_intfdata(intf);
+
+ if (!device || !device->dev)
+ return -ENODEV;
+
+ usb_get_dev(interface_to_usbdev(intf));
+
+ if (!(device->flags & DEVICE_FLAGS_OPENED))
+ device_open(device->dev);
+
+ return 0;
}
#endif /* CONFIG_PM */