Re: [libusb] libusb Asynchronous Bulk Transfer Timeout On Linux Ubuntu

[Ian M. <ian...@gm...>]

Tim,

The negative (-) throws me off, but I guess there is some sort of reverse
mapping going on at the lower levels... ?

Thanks,
Ian

On Wed, Sep 13, 2017 at 12:35 PM, Tim Roberts <ti...@pr...> wrote:

> Ian Murtaugh wrote:
> >
> > Where is the URB status of a -2 defined?  I could NOT find it.
>
> My apologies for blindly forwarding someone else's answer instead of
> looking it up.  URB status codes, like most kernel responses, are errno
> values.  -2 is ENOENT, which generically means something was not found.
> In this case, the generic kernel USB driver looked up endpoint ordinal 2
> in its list of "output" endpoints, and there was no such entry.  ENOENT.
>
> --
> Tim Roberts, ti...@pr...
> Providenza & Boekelheide, Inc.
>
>
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