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Re: [PATCH 1/2] mac80211: Dont allow to wake up netif tx queues while on off channel

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On Wed, Jun 30, 2010 at 04:21:19PM +0530, Vasanth Thiagarajan wrote:
> On Wed, Jun 30, 2010 at 03:56:11PM +0530, Johannes Berg wrote:
> > On Wed, 2010-06-30 at 12:17 +0200, Johannes Berg wrote:
> > > On Wed, 2010-06-30 at 03:15 -0700, Vasanthakumar Thiagarajan wrote:
> > > > Drivers are not supposed to call ieee80211_wake_queue() while operating
> > > > on off channel during sw scanning,
> > 
> > > That doesn't seem to make sense, since we treat driver and scan stop
> > > status separately via wake_queue_by_reason()
> > 
> > IOW, the above assertion would seem to be false already.
> 
> Sorry, I mean the existing code assumes that ieee80211_wake_queue() while
> operating on off channel during scanning.

I mean the existing code assumes that ieee80211_wake_queue() is not
supposed to be called while operating on off channel during
scanning as it is not right to pass packets to the drivers when
hw is on different channel.

Vasanth
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