Return-path: Received: from smtp.nokia.com ([192.100.105.134]:49036 "EHLO mgw-mx09.nokia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932296Ab0BYNHx (ORCPT ); Thu, 25 Feb 2010 08:07:53 -0500 From: Juuso Oikarinen To: linville@tuxdriver.com Cc: linux-wireless@vger.kernel.org Subject: [PATCH] mac80211: fix direct probe loop on ieee80211_work_purge Date: Thu, 25 Feb 2010 15:05:38 +0200 Message-Id: <1267103138-6353-1-git-send-email-juuso.oikarinen@nokia.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: If authentication has already been performed when the WLAN interface is stopped, (sometimes) the ieee80211_work_purge would corrupt some ieee80211_work-structures. The outcome is this (cleaned up): [ 2252.398681] WARNING: at net/mac80211/work.c:995 ieee80211_work_purge [ 2252.466430] Backtrace: [ 2252.529266] (ieee80211_work_purge+0x0/0xcc [mac80211]) [ 2252.546875] (ieee80211_stop+0x0/0x4c0 [mac80211]) Additionally, one would get this, going on regarless of the WLAN interface state, going on forever: [ 2252.859985] wlan0: direct probe to 00:90:4c:60:04:00 (try -996717525) [ 2253.055419] wlan0: direct probe to 00:90:4c:60:04:00 (try -996717524) [ 2253.250610] wlan0: direct probe to 00:90:4c:60:04:00 (try -996717523) [ 2253.446014] wlan0: direct probe to 00:90:4c:60:04:00 (try -996717522) [ 2253.641357] wlan0: direct probe to 00:90:4c:60:04:00 (try -996717521) Signed-off-by: Juuso Oikarinen --- net/mac80211/work.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/net/mac80211/work.c b/net/mac80211/work.c index 7e708d5..1e1ea30 100644 --- a/net/mac80211/work.c +++ b/net/mac80211/work.c @@ -869,6 +869,7 @@ static void ieee80211_work_work(struct work_struct *work) break; case IEEE80211_WORK_ABORT: rma = WORK_ACT_TIMEOUT; + break; case IEEE80211_WORK_DIRECT_PROBE: rma = ieee80211_direct_probe(wk); break; -- 1.6.3.3