openwrt/package/hostapd/patches/310-scan_ssid.patch

--- a/wpa_supplicant/scan.c
+++ b/wpa_supplicant/scan.c
@@ -248,6 +248,7 @@ static void wpa_supplicant_scan(void *el
 	enum wps_request_type req_type = WPS_REQ_ENROLLEE_INFO;
 #endif /* CONFIG_WPS */
 	struct wpa_driver_scan_params params;
+	int scan_ssid_all = 1;
 	size_t max_ssids;
 	enum wpa_states prev_state;
 
@@ -311,6 +312,16 @@ static void wpa_supplicant_scan(void *el
 	    wpa_s->wpa_state == WPA_INACTIVE)
 		wpa_supplicant_set_state(wpa_s, WPA_SCANNING);
 
+	/* check if all configured ssids should be scanned directly */
+	ssid = wpa_s->conf->ssid;
+	while (ssid) {
+		if (!ssid->scan_ssid) {
+			scan_ssid_all = 0;
+			break;
+		}
+		ssid = ssid->next;
+	}
+
 	/* Find the starting point from which to continue scanning */
 	ssid = wpa_s->conf->ssid;
 	if (wpa_s->prev_scan_ssid != WILDCARD_SSID_SCAN) {
@@ -374,6 +385,9 @@ static void wpa_supplicant_scan(void *el
 		int_array_sort_unique(params.freqs);
 	}
 
+	if (scan_ssid_all && !ssid)
+		ssid = wpa_s->conf->ssid;
+
 	if (ssid) {
 		wpa_s->prev_scan_ssid = ssid;
 		if (max_ssids > 1) {