linux-kernel - Re: [bisected] Wireless regression in 2.6.32-git

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Message-ID: <20090927204548.3ee3768f@infradead.org>
Date:	Sun, 27 Sep 2009 20:45:48 +0200
From:	Arjan van de Ven <arjan@...radead.org>
To:	Hugh Dickins <hugh.dickins@...cali.co.uk>
Cc:	Johannes Berg <johannes@...solutions.net>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org
Subject: Re: [bisected] Wireless regression in 2.6.32-git

On Sun, 27 Sep 2009 17:14:04 +0100 (BST)
Hugh Dickins <hugh.dickins@...cali.co.uk> wrote:

> On Sun, 27 Sep 2009, Arjan van de Ven wrote:
> > 
> > With todays git my laptop fails to associate with my access point.
> > Bisection points to the commit below, and reverting this one commit
> > on the HEAD of tree also fixes the issue, so I'm pretty confident
> > that this commit is to blame.
> > 
> > I have a 4965 wifi card in my laptop, and the network I'm trying to
> > connect to has no encryption. I'm running Fedora 11 as OS.
> > 
> > I would like to kindly request for this commit to be reverted until
> > a more permanent solution is found (I'm happy to test any patches)..
> > 
> > 94f85853324e02c3a32bc3101f090dc9a3f512b4 is first bad commit
> > commit 94f85853324e02c3a32bc3101f090dc9a3f512b4
> > Author: Johannes Berg <johannes@...solutions.net>
> > Date:   Thu Sep 17 17:15:31 2009 -0700
> > 
> >     cfg80211: don't overwrite privacy setting
> >     
> >     When cfg80211 is instructed to connect, it always
> >     uses the default WEP key for the privacy setting,
> >     which clearly is wrong when using wpa_supplicant.
> >     Don't overwrite the setting, and rely on it being
> >     false when wpa_supplicant is not running, instead
> >     set it to true when we have keys.
> >     
> >     Signed-off-by: Johannes Berg <johannes@...solutions.net>
> >     Signed-off-by: John W. Linville <linville@...driver.com>
> > 
> > :040000 040000 27fb46273e88eefee373699eb7e3f2923ac0886b
> > 9518ee3e52c8320613cc5eee5ac54aabf082432f M	net
> 
> I've a different problem with wireless that Johannes is investigating
> for me on linux-wireless; but here's a patch that he pointed me to
> along the way, didn't help my issue but I expect it will help yours...
> 
> 
> Subject: cfg80211: don't set privacy w/o key
> 
> When wpa_supplicant is used to connect to open networks,
> it causes the wdev->wext.keys to point to key memory, but
> that key memory is all empty. Only use privacy when there
> is a default key to be used.


indeed it does

can we get this into mainline soon ?
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