Re: [PATCH] xhci: Add check for invalid byte size error when UAS devices are connected.

[Sandeep Singh]

On 9/24/2018 6:39 PM, Mathias Nyman wrote:
> On 21.09.2018 16:22, Sandeep Singh wrote:
>> From: Sandeep Singh <sandeep.singh@xxxxxxx>
>>
>> Observed "TRB completion code (27)" error which corresponds to Stopped -
>> Length Invalid error(xhci spec section 4.17.4) while connecting USB to
>> SATA bridge.
>>
>> Looks like this case was not considered when the following patch[1] was
>> committed. Hence adding this new check which can prevent
>> the invalid byte size error.
>>
>> [1] ade2e3a xhci: handle transfer events without TRB pointer
>>
> 
> Thanks, adding to queue.
> 
> Just out of curiosity, was the TRB pointer bits all zeroes
> in this  Stopped -Length invalid transfer event TRB?
>
Yes, TRB pointer bits all zeroes

> -Mathias
> 
Thanks
Sandeep