Ignore scan results in wpa_supplicant AP mode

This is needed to avoid trying to reassociate based on new scan
results when using wpa_supplicant to control AP mode. This could
happen if something external triggered the driver to run a scan.

wpa_supplicant/events.c

@@ -889,6 +889,12 @@ static void wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
 	struct wpa_bss *selected;
 	struct wpa_ssid *ssid = NULL;
 	struct wpa_scan_results *scan_res;
+	int ap = 0;
+
+#ifdef CONFIG_AP
+	if (wpa_s->ap_iface)
+		ap = 1;
+#endif /* CONFIG_AP */
 
 	wpa_supplicant_notify_scanning(wpa_s, 0);
 
@@ -896,7 +902,7 @@ static void wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
 						   data ? &data->scan_info :
 						   NULL, 1);
 	if (scan_res == NULL) {
-		if (wpa_s->conf->ap_scan == 2)
+		if (wpa_s->conf->ap_scan == 2 || ap)
 			return;
 		wpa_printf(MSG_DEBUG, "Failed to get scan results - try "
 			   "scanning again");
@@ -911,6 +917,12 @@ static void wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
 		return;
 	}
 
+	if (ap) {
+		wpa_printf(MSG_DEBUG, "Ignore scan results in AP mode");
+		wpa_scan_results_free(scan_res);
+		return;
+	}
+
 	/*
 	 * Don't post the results if this was the initial cached
 	 * and there were no results.