Allow hostapd to be started without interfaces

If the control interface is enabled, allow hostapd to be started
without any configuration files specific on the command line since
the interfaces can be added dynamically.

Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>

diff --git a/hostapd/main.c b/hostapd/main.c
index d6c914a9f913fc5215a089dfe656fe7cccde050f..56f00023bea829b81ea3108726e2f73f2d3b2bfa 100644 (file)
--- a/hostapd/main.c
+++ b/hostapd/main.c
@@ -601,7 +601,7 @@ int main(int argc, char *argv[])
                }
        }
 
-       if (optind == argc)
+       if (optind == argc && interfaces.global_iface_path == NULL)
                usage();
 
        wpa_msg_register_ifname_cb(hostapd_msg_ifname_cb);
@@ -610,11 +610,13 @@ int main(int argc, char *argv[])
                wpa_debug_open_file(log_file);
 
        interfaces.count = argc - optind;
-       interfaces.iface = os_calloc(interfaces.count,
-                                    sizeof(struct hostapd_iface *));
-       if (interfaces.iface == NULL) {
-               wpa_printf(MSG_ERROR, "malloc failed");
-               return -1;
+       if (interfaces.count) {
+               interfaces.iface = os_calloc(interfaces.count,
+                                            sizeof(struct hostapd_iface *));
+               if (interfaces.iface == NULL) {
+                       wpa_printf(MSG_ERROR, "malloc failed");
+                       return -1;
+               }
        }
 
        if (hostapd_global_init(&interfaces, entropy_file))