USB Enumeration

[Udit Kumar <udit.kumar@nxp.com>]

Dear Edk2 Expert, 

With edk2 shell, I am doing simple copy with USB, 
Flow is below 

Start- USB device is enumerated and given address 1.
1. On Shell , cp a b
2- After a while Host controller reports an error 
3- Layer above Host controller, reset the USB port
4-  and Slot is enabled again ( this time address 2 was given)
5- Now FatIFileAccess calls FatCleanupVolume, which in turn calls XhcBulkTransfer
And assert is reported at
MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c(1800): TrsRing != ((void *) 0)

Is this expected behavior to assert, or reporting an error will be fine in such cases. 

Thanks for help 

Regards
Udit