Hi,
Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> writes:
> On Mon, Apr 10, 2017 at 05:15:13PM +0300, Felipe Balbi wrote:
>> From: Janusz Dziedzic <januszx.dziedzic@xxxxxxxxx>
>>
>> commit de288e36fe33f7e06fa272bc8e2f85aa386d99aa upstream.
>>
>> In the case of bounced ep0 requests, we must delay DMA operation until
>> after ->complete() otherwise we might overwrite contents of req->buf.
>>
>> This caused problems with RNDIS gadget.
>>
>> Cc: <stable@xxxxxxxxxxxxxxx>
>> Fixes: d62145929992 ("usb: dwc3: gadget: always unmap EP0 requests")
>> Signed-off-by: Janusz Dziedzic <januszx.dziedzic@xxxxxxxxx>
>> Signed-off-by: Felipe Balbi <felipe.balbi@xxxxxxxxxxxxxxx>
>> ---
>>
>> Note that this commit needs to be backported to all kernels where
>> d62145929992 was backported.
>
> This patch only applied to 4.10-stable. It should go also to at least
> 4.4 and 4.9-stable, but it does not apply. Can you provide a backport
> for those kernels as well?
coming shortly
--
balbi
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