Return-path: Received: from mga01.intel.com ([192.55.52.88]:14814 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751860AbZFKQIk (ORCPT ); Thu, 11 Jun 2009 12:08:40 -0400 Subject: Re: [PATCH v2] mac80211: Do not try to associate with an empty SSID From: reinette chatre To: Jouni Malinen Cc: "John W. Linville" , Johannes Berg , "linux-wireless@vger.kernel.org" In-Reply-To: <20090611151945.GA17284@jm.kir.nu> References: <20090611105411.GA13825@jm.kir.nu> <20090611151945.GA17284@jm.kir.nu> Content-Type: text/plain Date: Thu, 11 Jun 2009 09:15:30 -0700 Message-Id: <1244736930.20900.431.camel@rc-desk> Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Thu, 2009-06-11 at 08:19 -0700, Jouni Malinen wrote: > It looks like some programs (e.g., NM) are setting an empty SSID with > SIOCSIWESSID in some cases. This seems to trigger mac80211 to try to > associate with an invalid configuration (wildcard SSID) which will > result in failing associations (or odd issues, potentially including > kernel panic with some drivers) if the AP were to actually accept this > anyway). I think this behavior was recently changed in NM. See http://cgit.freedesktop.org/NetworkManager/NetworkManager/commit/?id=01a1bafc1d8abee153a8aca0495c77292f4f07e3 This is just fyi as this change is still needed for all the other NM versions out there. Reinette