On Sat, 19 Aug 2006 11:45:08 +0200
Peter Oehry <[EMAIL PROTECTED]> wrote:
> On Fri, 18 Aug 2006 17:29:32 -0400 (EDT)
> Alan Stern <[EMAIL PROTECTED]> wrote:
>
> > On Fri, 18 Aug 2006, Peter Oehry wrote:
> >
> > > The new log shows whats going wrong. But I don't see why?
> > > It seems that the parameters passed to the set_usb_configuration() are
> > > completely rubbish.
> >
> > Okay, I figured it out (after lots of testing). It's really stupid.
> >
> > Near the end of the patch, just after the line where it calls
> > schedule_work(), change
> >
> > if (rc) {
> >
> > to
> >
> > if (!rc) {
> >
> > I'm going to complain bitterly about the way queue_work() and
> > schedule_work() return 0 for failure. This is the second time I've
> > tripped over that.
> >
>
> That was the problem. It works know :-)
>
> Thank you!
There is one small question left.
What shall we return in the usb_driver_set_configuration when the
schedule_work() returns zero? I belive it should be a negative number. But
which error code would be appropriate?
rc = schedule_work(&req->work); /* returns 0 on error - 1 if successful
*/
if (!rc) {
usb_put_dev(udev);
kfree(req);
return ???? /* << which return would be appropriate? */
}
return 0; /* << I've replace return rc by return 0 */
>
> Peter Oehry
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