atheros: Clear WPS appie during deinit

The WPS IE(s) need to be cleared from the driver explicitly.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>

src/ap/ap_drv_ops.c

@@ -217,6 +217,15 @@ void hostapd_free_ap_extra_ies(struct hostapd_data *hapd,
 }
 
 
+int hostapd_reset_ap_wps_ie(struct hostapd_data *hapd)
+{
+	if (hapd->driver == NULL || hapd->driver->set_ap_wps_ie == NULL)
+		return 0;
+
+	return hapd->driver->set_ap_wps_ie(hapd->drv_priv, NULL, NULL, NULL);
+}
+
+
 int hostapd_set_ap_wps_ie(struct hostapd_data *hapd)
 {
 	struct wpabuf *beacon, *proberesp, *assocresp;

src/ap/ap_drv_ops.h

@@ -24,6 +24,7 @@ int hostapd_build_ap_extra_ies(struct hostapd_data *hapd,
 void hostapd_free_ap_extra_ies(struct hostapd_data *hapd, struct wpabuf *beacon,
 			       struct wpabuf *proberesp,
 			       struct wpabuf *assocresp);
+int hostapd_reset_ap_wps_ie(struct hostapd_data *hapd);
 int hostapd_set_ap_wps_ie(struct hostapd_data *hapd);
 int hostapd_set_authorized(struct hostapd_data *hapd,
 			   struct sta_info *sta, int authorized);

src/ap/wps_hostapd.c

@@ -856,8 +856,10 @@ static void hostapd_wps_clear_ies(struct hostapd_data *hapd, int deinit_only)
 	wpabuf_free(hapd->wps_probe_resp_ie);
 	hapd->wps_probe_resp_ie = NULL;
 
-	if (deinit_only)
+	if (deinit_only) {
+		hostapd_reset_ap_wps_ie(hapd);
 		return;
+	}
 
 	hostapd_set_ap_wps_ie(hapd);
 }

src/drivers/driver_atheros.c

@@ -1694,6 +1694,13 @@ atheros_deinit(void *priv)
 	struct atheros_driver_data *drv = priv;
 
 	atheros_reset_appfilter(drv);
+
+	if (drv->wpa_ie || drv->wps_beacon_ie || drv->wps_probe_resp_ie) {
+		wpabuf_free(drv->wpa_ie);
+		wpabuf_free(drv->wps_beacon_ie);
+		wpabuf_free(drv->wps_probe_resp_ie);
+		atheros_set_opt_ie(priv, NULL, 0);
+	}
 	netlink_deinit(drv->netlink);
 	(void) linux_set_iface_flags(drv->ioctl_sock, drv->iface, 0);
 	if (drv->ioctl_sock >= 0)
@@ -1704,9 +1711,6 @@ atheros_deinit(void *priv)
 		l2_packet_deinit(drv->sock_xmit);
 	if (drv->sock_raw)
 		l2_packet_deinit(drv->sock_raw);
-	wpabuf_free(drv->wpa_ie);
-	wpabuf_free(drv->wps_beacon_ie);
-	wpabuf_free(drv->wps_probe_resp_ie);
 	free(drv);
 }