The ieee80211_notify_mac() function uses ieee80211_sta_req_auth() which
in turn calls ieee80211_set_disassoc() which calls a few functions that
need to be able to sleep, so ieee80211_notify_mac() cannot use RCU
locking for the interface list and must use rtnl locking instead.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
switch (notif_type) {
case IEEE80211_NOTIFY_RE_ASSOC:
switch (notif_type) {
case IEEE80211_NOTIFY_RE_ASSOC:
- rcu_read_lock();
- list_for_each_entry_rcu(sdata, &local->interfaces, list) {
+ rtnl_lock();
+ list_for_each_entry(sdata, &local->interfaces, list) {
if (sdata->vif.type != NL80211_IFTYPE_STATION)
continue;
ieee80211_sta_req_auth(sdata, &sdata->u.sta);
}
if (sdata->vif.type != NL80211_IFTYPE_STATION)
continue;
ieee80211_sta_req_auth(sdata, &sdata->u.sta);
}