In case of hash_add failure tt_global_add() must return 0 (which means on entry
insertion).
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
        batadv_dbg(BATADV_DBG_TT, bat_priv,
                   "Creating new global tt entry: %pM (via %pM)\n",
                   tt_global_entry->common.addr, orig_node->orig);
+       ret = 1;
 
 out_remove:
        /* remove address from local hash if present */
        batadv_tt_local_remove(bat_priv, tt_global_entry->common.addr,
                               "global tt received",
                               flags & BATADV_TT_CLIENT_ROAM);
-       ret = 1;
 out:
        if (tt_global_entry)
                batadv_tt_global_entry_free_ref(tt_global_entry);