On Wed, 8 Aug 2012, Laurent Pinchart wrote: > I guess it depends on the usb_ep_dequeue() API. The function documentation > doesn't clearly state whether calling it with an already dequeuing request is > valid (in which case it should return an error, possibly print a debug > message, but not a warning/error message) or not (in which case it can be > very > vocal about it, and even WARN_ON()).
It is valid. It pretty much has to be, because we need to handle the possibility that two threads might try to cancel the same request at the same time. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
