Re: [PATCH] usb: gadget: f_fs: report error if excess data received

[Michal Nazarewicz]

On Fri, May 13 2016, Alan Stern wrote:
> The point is that you don't know whether the host sent more data than
> expected.  All you know is that the host sent more data than the user
> asked the kernel for -- but maybe the user didn't ask for all the data
> that he expected.  Maybe the user wanted to retrieve the full set of
> data using two read() system calls.

I was wondering about that for a while actually.  So far, f_fsâ model
was: one read, one request.  Splitting requests would certainly be
possible, but is that what f_fsâ users would expect to happen if host
rounds the request up?

-- 
Best regards
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