Greg:
Perusing the BitKeeper source archive for usb-2.4, I found two serious
errors in driver/usb/hub.c. One of them is responsible for
oopses that have been reported to the linux-usb-devel mailing list.
Unfortunately, I can't tell you the line numbers, but they are very near
the end of the file, in the usb_reset_device() routine. The first bug is
the line
ret = usb_get_descriptor(dev, USB_DT_DEVICE, 0, &descriptor,
sizeof(descriptor));
This should read
ret = usb_get_descriptor(dev, USB_DT_DEVICE, 0, descriptor,
sizeof(*descriptor));
(two changes).
The other is the line that says
if (memcmp(&dev->descriptor, descriptor, sizeof(descriptor))) {
This should be
if (memcmp(&dev->descriptor, descriptor, sizeof(*descriptor))) {
(one change).
Alan Stern
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