Avoid crash after driver init failure

hostapd_flush_old_stations() needs to check whether the driver
initialization was successful since it gets called on an error path.

diff --git a/src/ap/hostapd.c b/src/ap/hostapd.c
index 8bf92b8..2c0c87d 100644 (file)
--- a/src/ap/hostapd.c
+++ b/src/ap/hostapd.c
@@ -299,7 +299,7 @@ static int hostapd_flush_old_stations(struct hostapd_data *hapd)
 {
        int ret = 0;
 
-       if (hostapd_drv_none(hapd))
+       if (hostapd_drv_none(hapd) || hapd->drv_priv == NULL)
                return 0;
 
        wpa_printf(MSG_DEBUG, "Flushing old station entries");