Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> writes:
> On Mon, Apr 10, 2017 at 04:48:41PM +0300, Felipe Balbi wrote:
>> From: Janusz Dziedzic <januszx.dziedzic@xxxxxxxxx>
>>
>> commit d62145929992f331fdde924d5963ab49588ccc7d 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.
>
> How can you backport this patch to everywhere it was backported to
> already? :)
>
> I think one of the git commit ids is wrong here...
hah! nice catch. I'll fix and resend
--
balbi
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