607 	old = sdata_dereference(sdata->u.ap.probe_resp, sdata);  in ieee80211_set_probe_resp()
621 	rcu_assign_pointer(sdata->u.ap.probe_resp, new);  in ieee80211_set_probe_resp()
637 	old = sdata_dereference(sdata->u.ap.beacon, sdata);  in ieee80211_assign_beacon()
701 	rcu_assign_pointer(sdata->u.ap.beacon, new);  in ieee80211_assign_beacon()
724 	old = sdata_dereference(sdata->u.ap.beacon, sdata);  in ieee80211_start_ap()
762 	list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {  in ieee80211_start_ap()
801 		old = sdata_dereference(sdata->u.ap.beacon, sdata);  in ieee80211_start_ap()
805 		RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);  in ieee80211_start_ap()
814 	list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)  in ieee80211_start_ap()
836 	old = sdata_dereference(sdata->u.ap.beacon, sdata);  in ieee80211_change_beacon()
858 	old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);  in ieee80211_stop_ap()
861 	old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);  in ieee80211_stop_ap()
874 	kfree(sdata->u.ap.next_beacon);  in ieee80211_stop_ap()
875 	sdata->u.ap.next_beacon = NULL;  in ieee80211_stop_ap()
878 	list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)  in ieee80211_stop_ap()
883 	RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);  in ieee80211_stop_ap()
884 	RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);  in ieee80211_stop_ap()
888 	sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF;  in ieee80211_stop_ap()
909 	local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);  in ieee80211_stop_ap()
910 	skb_queue_purge(&sdata->u.ap.ps.bc_buf);  in ieee80211_stop_ap()
1846 	if (!sdata_dereference(sdata->u.ap.beacon, sdata))  in ieee80211_change_bss()
2003 		if (sdata->u.ap.beacon &&  in ieee80211_scan()
2289 	old_req = sdata->u.ap.req_smps;  in __ieee80211_request_smps_ap()
2290 	sdata->u.ap.req_smps = smps_mode;  in __ieee80211_request_smps_ap()
2298 	if (!atomic_read(&sdata->u.ap.num_mcast_sta)) {  in __ieee80211_request_smps_ap()
2306 	       smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));  in __ieee80211_request_smps_ap()
2314 		if (sta->sdata->bss != &sdata->u.ap)  in __ieee80211_request_smps_ap()
2355 	const u8 *ap;  in __ieee80211_request_smps_mgd()  local
2380 	ap = sdata->u.mgd.associated->bssid;  in __ieee80211_request_smps_mgd()
2391 					 ap, ap);  in __ieee80211_request_smps_mgd()
2882 		err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,  in ieee80211_set_after_csa_beacon()
2884 		kfree(sdata->u.ap.next_beacon);  in ieee80211_set_after_csa_beacon()
2885 		sdata->u.ap.next_beacon = NULL;  in ieee80211_set_after_csa_beacon()
3013 		sdata->u.ap.next_beacon =  in ieee80211_set_csa_beacon()
3015 		if (!sdata->u.ap.next_beacon)  in ieee80211_set_csa_beacon()
3051 			kfree(sdata->u.ap.next_beacon);  in ieee80211_set_csa_beacon()
3368 			beacon = rcu_dereference(sdata->u.ap.beacon);  in ieee80211_mgmt_tx()