Re: [PATCH] dwc3: gadget: Introduce dwc3_endpoint_xfer_xxx() to check endpoint type

From: Felipe Balbi
Date: Thu May 26 2016 - 05:48:00 EST



Hi,

Baolin Wang <baolin.wang@xxxxxxxxxx> writes:

<trim>

>> Also note that the usb_endpoint_xfer_isoc() call on line 2067 of
>> gadget.c (as in my testing/next from today) won't even get executed, so
>> we're safe there.
>
> Never will be executed? then we can remove the
> usb_endpoint_xfer_isoc() (line 2025) at risk?
>
> 2023 clean_busy = dwc3_cleanup_done_reqs(dwc, dep, event, status);
> 2024 if (clean_busy && (is_xfer_complete ||
> 2025
> usb_endpoint_xfer_isoc(dep->endpoint.desc)))
> 2026 dep->flags &= ~DWC3_EP_BUSY;

hmm, now that I look at this again, in case of XferInProgress, we could
still have a problem.

I'll fix it up in that commit I pointed you to.

--
balbi

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