From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from xc.sipsolutions.net ([83.246.72.84]:46399 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755168AbZGMLEq (ORCPT ); Mon, 13 Jul 2009 07:04:46 -0400 Subject: [PATCH] mac80211_hwsim: fix unregistration From: Johannes Berg To: John Linville Cc: Jouni Malinen , linux-wireless Content-Type: text/plain Date: Mon, 13 Jul 2009 13:04:30 +0200 Message-Id: <1247483078.4166.1.camel@johannes.local> Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: If you rmmod the module while associated, frames might be transmitted during unregistration -- which will crash if the hwsim%d interface is unregistered first, so only do that after all the virtual wiphys are gone. Signed-off-by: Johannes Berg --- drivers/net/wireless/mac80211_hwsim.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- wireless-testing.orig/drivers/net/wireless/mac80211_hwsim.c 2009-07-13 13:01:01.000000000 +0200 +++ wireless-testing/drivers/net/wireless/mac80211_hwsim.c 2009-07-13 13:01:54.000000000 +0200 @@ -1250,8 +1250,8 @@ static void __exit exit_mac80211_hwsim(v { printk(KERN_DEBUG "mac80211_hwsim: unregister radios\n"); - unregister_netdev(hwsim_mon); mac80211_hwsim_free(); + unregister_netdev(hwsim_mon); }