hostapd: Fix set beacon in multiple BSSID scenario

Check if the BSS interface has started before setting beacon.
Lack of this condition can cause segmantation fault.

Signed-hostap: Marek Kwaczynski <marek.kwaczynski@tieto.com>

diff --git a/src/ap/beacon.c b/src/ap/beacon.c
index 298c0fa..0e0dae4 100644 (file)
--- a/src/ap/beacon.c
+++ b/src/ap/beacon.c
@@ -878,8 +878,10 @@ fail:
 void ieee802_11_set_beacons(struct hostapd_iface *iface)
 {
        size_t i;
-       for (i = 0; i < iface->num_bss; i++)
-               ieee802_11_set_beacon(iface->bss[i]);
+       for (i = 0; i < iface->num_bss; i++) {
+               if (iface->bss[i]->started)
+                       ieee802_11_set_beacon(iface->bss[i]);
+       }
 }
 
 
@@ -888,7 +890,7 @@ void ieee802_11_update_beacons(struct hostapd_iface *iface)
 {
        size_t i;
        for (i = 0; i < iface->num_bss; i++)
-               if (iface->bss[i]->beacon_set_done)
+               if (iface->bss[i]->beacon_set_done && iface->bss[i]->started)
                        ieee802_11_set_beacon(iface->bss[i]);
 }