mac80211_hwsim: fix unregistration
authorJohannes Berg <johannes@sipsolutions.net>
Mon, 13 Jul 2009 11:04:30 +0000 (13:04 +0200)
committerJohn W. Linville <linville@tuxdriver.com>
Tue, 21 Jul 2009 16:07:39 +0000 (12:07 -0400)
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 <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
drivers/net/wireless/mac80211_hwsim.c

index a111bda392e2084115c4738296e1873bf385ab21..5bed8241f3ccb87bcabb44440e3116ac0a31c50a 100644 (file)
@@ -1167,8 +1167,8 @@ static void __exit exit_mac80211_hwsim(void)
 {
        printk(KERN_DEBUG "mac80211_hwsim: unregister radios\n");
 
-       unregister_netdev(hwsim_mon);
        mac80211_hwsim_free();
+       unregister_netdev(hwsim_mon);
 }