On Fri, Apr 23, 2004 at 11:03:42AM -0700, Greg KH wrote:
> On Fri, Apr 23, 2004 at 10:19:53AM -0700, Greg KH wrote:
> > On Fri, Apr 23, 2004 at 08:31:11AM -0700, Greg KH wrote:
> > >
> > > No, we need to oops, as that's a real bug. Can you post the whole oops
> > > that was generated with this usb problem? I can't seem to duplicate
> > > this here.
> >
> > Nevermind I dug up a device here that causes this problem. I'll track
> > it down...
>
> Ok, here's a patch that fixes it for me. I was waiting for a good
> reason to finally get rid of this fake usb_interface structure, and now
> I have it :)
>
> Let me know if it solves the problem for you too and then I'll send it
> off to Linus.
>
> Any objections Vojtech?
None. :)
>
> thanks,
>
> greg k-h
>
>
> # USB: fix up fake usb_interface structure in hiddev
> #
> # This fixes a oops in the current kernel tree.
>
> diff -Nru a/drivers/usb/input/hiddev.c b/drivers/usb/input/hiddev.c
> --- a/drivers/usb/input/hiddev.c Fri Apr 23 11:00:23 2004
> +++ b/drivers/usb/input/hiddev.c Fri Apr 23 11:00:23 2004
> @@ -53,7 +53,6 @@
> wait_queue_head_t wait;
> struct hid_device *hid;
> struct hiddev_list *list;
> - struct usb_interface intf;
> };
>
> struct hiddev_list {
> @@ -234,7 +233,7 @@
> static struct usb_class_driver hiddev_class;
> static void hiddev_cleanup(struct hiddev *hiddev)
> {
> - usb_deregister_dev(&hiddev->intf, &hiddev_class);
> + usb_deregister_dev(hiddev->hid->intf, &hiddev_class);
> hiddev_table[hiddev->minor] = NULL;
> kfree(hiddev);
> }
> @@ -775,7 +774,7 @@
> return -1;
> memset(hiddev, 0, sizeof(struct hiddev));
>
> - retval = usb_register_dev(&hiddev->intf, &hiddev_class);
> + retval = usb_register_dev(hid->intf, &hiddev_class);
> if (retval) {
> err("Not able to get a minor for this device.");
> kfree(hiddev);
> @@ -784,13 +783,13 @@
>
> init_waitqueue_head(&hiddev->wait);
>
> - hiddev->minor = hiddev->intf.minor;
> - hiddev_table[hiddev->intf.minor - HIDDEV_MINOR_BASE] = hiddev;
> + hiddev->minor = hid->intf->minor;
> + hiddev_table[hid->intf->minor - HIDDEV_MINOR_BASE] = hiddev;
>
> hiddev->hid = hid;
> hiddev->exist = 1;
>
> - hid->minor = hiddev->intf.minor;
> + hid->minor = hid->intf->minor;
> hid->hiddev = hiddev;
>
> return 0;
>
--
Vojtech Pavlik
SuSE Labs, SuSE CR
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