On Wednesday 27 February 2013 10:27:32 Bjørn Mork wrote:
> I believe we could drop the reslength field altogether, avoiding this
> confusion. The field is only use to test for a 0 length read in a
> context where desc->length is known to be 0. In fact, we are really
> interested in the total desc->length anyway. The length of the last
> read is completely irrelevant.
>
> If we don't drop it, then I believe you should set it to 0 on overflow.
But we want user space to read and notice the error condition.
Regards
Oliver
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