In 2.6.0-test10, usb_physical_reset_device, this call can oops with a
NULL pointer dereference:
ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
USB_REQ_SET_CONFIGURATION, 0,
dev->actconfig->desc.bConfigurationValue, 0,
NULL, 0, HZ * USB_CTRL_SET_TIMEOUT);
This happens when the configuration value is set to zero, so
`dev->actconfig' is NULL.
Perhaps there are other places which assume this pointer is not NULL,
but this is the bug which bit me several times.
Enjoy,
-- Jamie
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