Subject: Re: [PATCH 1/1] cfg80211: wext: set bssid to NULL in SIOCIWESSID
From: Johannes Berg <johannes@sipsolutions.net>
To: "John W. Linville" <linville@tuxdriver.com>
Cc: "Zhao, Shanyu" <shanyu.zhao@intel.com>,
	"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
In-Reply-To: <20100201194748.GC4952@tuxdriver.com>
References: <1264808376-8003-1-git-send-email-shanyu.zhao@intel.com>
	 <1264840626.3546.181.camel@johannes.local>
	 <380B2771CDD78E46856E6B788D9F199750233886@orsmsx503.amr.corp.intel.com>
	 <1265052460.29119.0.camel@johannes.local>
	 <20100201194748.GC4952@tuxdriver.com>
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Date: Mon, 01 Feb 2010 22:25:04 +0100
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On Mon, 2010-02-01 at 14:47 -0500, John W. Linville wrote:

> > > iwconfig wlan0 essid "foo"
> > > This will make the station associate with the first AP with essid
> > > "foo".
> > >=20
> > > iwconfig wlan0 ap "00:...:ff"
> > > This will disassociate from the previous AP, and then associate with
> > > the first AP with MAC "00:...:ff".
> > >=20
> > > Am I missing anything here?
> >=20
> > No, I missed something. The problem will only occur when the SSID is
> > hidden as well, because the connect code will not have the SSID and not
> > know what to scan for, or which SSID to choose (there are Cisco APs tha=
t
> > use the same BSSID for multiple hidden SSIDs).
>=20
> Well, in the confusion I deleted the original post.  Could you
> (i.e. Shanyu Zhao) resend it to me?

Sorry -- I wasn't clear. My mail missed something in describing the
problem, but that doesn't change the fact that the patch will break it.

johannes

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