On Thu, 10 Mar 2005, Nick Sillik wrote:
> +struct usb_onetouch {
> + char name[128];
> + char phys[64];
> + struct input_dev dev; /* input device interface */
> + struct usb_device *udev; /* usb device */
> +
> + struct urb *irq; /* urb for interrupt in report */
> + unsigned char *data; /* input data */
> + dma_addr_t data_dma;
> +
> + int open_count; /* reference count */
> +};
> +
> +struct usb_onetouch_wrap {
> + struct list_head list;
> + struct usb_onetouch *onetouch;
> +};
What's wrong with putting the list_head directly into struct usb_onetouch?
Then you only have to allocate one structure, not two.
> +static void onetouch_close(struct input_dev *dev)
> +{
> + struct usb_onetouch *onetouch = dev->private;
> +
> + if (!--onetouch->open_count)
> + usb_unlink_urb(onetouch->irq);
> +}
You should call usb_kill_urb here, not usb_unlink_urb.
Alan Stern
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