> > > > You are right, but the problem is the request->status is wrong. If the data > > send out but report caller as -EINTR, it will introduce duplicate-send > > issue. > > > > Why -EINTR, the kernel-doc said it should return -ECONNRESET for active > request, see include/linux/usb/gadget.h. > > -- > > Best Regards, > Peter Chen F_fs return -EINTER in its dequeuer case, not udc driver. What I want to say is driver should return the right status for each usb request.
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