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Re: [PATCH 1/2] ath9k: Drain txq before sending a nullfunc frame.

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On Fri, Feb 04, 2011 at 09:21:30AM -0500, John W. Linville wrote:
> On Thu, Feb 03, 2011 at 11:36:27PM -0800, Luis R. Rodriguez wrote:
> > Adding Greg for real this time.
> > 
> >   Luis
> > 
> > On Thu, Feb 3, 2011 at 11:36 PM, Luis R. Rodriguez <mcgrof@xxxxxxxxx> wrote:
> > > On Thu, Feb 3, 2011 at 10:23 PM, Vivek Natarajan <vnatarajan@xxxxxxxxxxx> wrote:
> > >> In a highly noisy environment, a data frame which is queued before
> > >> a nullfunc frame on a different hw queue may be sent over the air
> > >> after the tx completion of nullfunc frame. This causes the station
> > >> to enter power save and the AP to see the station as awake and
> > >> continues to send the data traffic. Fix this by draining all tx
> > >> queues before we send the null function frame with PM bit set.
> > >>
> > >> Signed-off-by: Vivek Natarajan <vnatarajan@xxxxxxxxxxx>
> > >
> > > Hm nice, this is a good example of one of those random not-so-critical
> > > but still nice fixes which I wish would go to stable. John, Greg, any
> > > qualms for such things to go to stable if they apply? It was my
> > > impression we could send it, but I want to verify with both you guys
> > > so neither we or John get bashed if we try to send it as a stable fix.
> 
> I think the feeling is that it is silly to mark something for stable if
> it is not important enough to be sent as a fix for the current release.

I totally agree.

thanks,

greg k-h
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