On Tue, Apr 11, 2017 at 10:28:15AM +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> # v4.4 v4.9
> 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>
> ---
>
> this should apply cleanly to today's v4.4-stable. Thanks
Thanks for the backport, now applied.
greg k-h