Don't do broadcast SSID scans, if all configured SSIDs use scan_ssid=1. Improves background scanning in supplicant-managed roaming.
-Index: wpa_supplicant-0.6.3/wpa_supplicant/scan.c
-===================================================================
---- wpa_supplicant-0.6.3.orig/wpa_supplicant/scan.c 2008-07-09 18:53:28.000000000 +0200
-+++ wpa_supplicant-0.6.3/wpa_supplicant/scan.c 2008-07-09 19:00:55.000000000 +0200
-@@ -48,11 +48,23 @@
- int enabled, scan_req = 0, ret;
+--- a/wpa_supplicant/scan.c
++++ b/wpa_supplicant/scan.c
+@@ -73,6 +73,7 @@ static void wpa_supplicant_scan(void *el
+ struct wpabuf *wps_ie = NULL;
const u8 *extra_ie = NULL;
size_t extra_ie_len = 0;
+ int scan_ssid_all = 1;
-
- if (wpa_s->disconnected && !wpa_s->scan_req)
+ int wps = 0;
+ #ifdef CONFIG_WPS
+ enum wps_request_type req_type = WPS_REQ_ENROLLEE_INFO;
+@@ -82,6 +83,17 @@ static void wpa_supplicant_scan(void *el
return;
enabled = 0;
ssid = wpa_s->conf->ssid;
while (ssid) {
if (!ssid->disabled) {
-@@ -125,6 +137,10 @@
+@@ -154,6 +166,10 @@ static void wpa_supplicant_scan(void *el
return;
}