PEGASUS_RX_URB_FAIL
pegasus->flags |= PEGASUS_RX_URB_FAIL;
pegasus->flags &= ~PEGASUS_RX_URB_FAIL;
if (pegasus->flags & PEGASUS_RX_URB_FAIL)
pegasus->flags |= PEGASUS_RX_URB_FAIL;
pegasus->flags &= ~PEGASUS_RX_URB_FAIL;