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Re: [PATCH 2/2] qtnfmac: abort scans on wireless interface changes

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On Mon, Sep 18, 2017 at 12:03:07PM +0200, Johannes Berg wrote:

> > > > -     if (timer_pending(&mac->scan_timeout))
> > > > -             del_timer_sync(&mac->scan_timeout);
> > > >       qtnf_scan_done(mac, le32_to_cpu(status->flags) &
> > > > QLINK_SCAN_ABORTED);
> > >
> > > and that's related perhaps but not really explained in the
> > > changelog,
> > > not sure?
> >
> > That was minor optimization: to remove pedning timer whenever scan
> > is canceled. Sure, it worth mentioning in changelog, will do.
> 
> I realized (after sending my email) that it actually made a lot of
> sense, so yeah - and in fact I'm not sure it's just an optimisation,
> depends on where else you cancel the timer and if that could leave the
> timer running until after the interface is removed or something.
> 
> Btw, I don't really see why you check pending first?

I don't quite understand the question. Do you mean it makes sense to call
cfg80211_scan_done first and then cancel timer ?

> > By the way, is it ok to send corrected single patch in reply to this
> > discussion ? Or the appropriate way is to resend the whole patch set
> > ?
> 
> Good question. I think it's up to the specific maintainer, I know davem
> wants a full resend, but Kalle might have his own preference. I for one
> am willing to deal with both, though a full resend is somewhat easier.

Ok, understood.

Regards,
Sergey



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